A Trusted Partner for Aluminum Extrusion Professionals
Providing Aluminum Extrusion Presses and Complete Extrusion Line Solutions

A Trusted Partner for Aluminum Extrusion Professionals Providing Aluminum Extrusion Presses and Complete Extrusion Line Solutions

Inheriting Italian Technology, Empowering Chinese
Manufacturing – Cometal, a Prominent
Producer of Complete Extrusion Lines

WHAT WE DO →
Extrusion Line

Extrusion Line

· Press · Upstream · Downstream

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Revamping

Revamping

The expertise of Cometal solutions in numerous revamping projects highlightssignificant advantages,such as a 25-40% reduction in energy consumption, enhanced system efficiency, and faster return on investment.

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CASE

Completed projects

Background

WHO WE ARE

COMETAL (Foshan) Extrusion Technology Co., Ltd. was invested by the European Italian COMETAL Engineering Co., Ltd. with more than 50 years of history, to provide customers with aluminum extrusion industry solutions, with many patents, can provide a complete set of automatic extrusion equipment including extrusion machines. Mainly R & D and manufacture high-end automatic extrusion machine, aluminum alloy extrusion machine, aluminum extrusion machine, aluminum rod heating, aluminum equipment, aluminum profiles, drawing machine, automatic framing, online quenching, etc.

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NEWS CENTER

Find out about our latest news

News 1
Company dynamics 2026-07-14

Another Year, Another Milestone: Thank You, Shanghai!

<p><span style="color: rgba(0, 0, 0, 0.9); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">The annual Aluminum China exhibition has come to a successful close. As we reflect on these past few days in Shanghai, we are filled with gratitude for the meaningful connections we’ve made.</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); line-height: inherit !important;"><br style="box-sizing: inherit; line-height: inherit !important;"/></span><span style="color: rgba(0, 0, 0, 0.9); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">Our booth became more than just a display; it turned into a hub for &quot;annual reunions.&quot; As many of our long-term clients told us, &quot;Meeting Cometal here in Shanghai has become a tradition.&quot; This sentiment is exactly what drives us forward. It’s more than just business; it’s a shared journey of innovation and growth in the aluminum extrusion industry.</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); line-height: inherit !important;"><br style="box-sizing: inherit; line-height: inherit !important;"/></span><span style="color: rgba(0, 0, 0, 0.9); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">From catching up with old friends to discussing new projects and technical challenges with potential partners, the energy was incredible. We were especially excited to hear about the new production requirements and expansion plans our clients are tackling.</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); line-height: inherit !important;"><br style="box-sizing: inherit; line-height: inherit !important;"/></span><span style="color: rgba(0, 0, 0, 0.9); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">At Cometal, we believe our success is measured by yours. Whether you are a partner of many years or a new contact we met this week, thank you for trusting us with your extrusion needs.</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); line-height: inherit !important;"><br style="box-sizing: inherit; line-height: inherit !important;"/></span><span style="color: rgba(0, 0, 0, 0.9); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">Our team is already back in Foshan, processing all the inquiries and feedback from the show. We will be reaching out soon to turn these conversations into actionable solutions for your production lines.</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); line-height: inherit !important;"><br style="box-sizing: inherit; line-height: inherit !important;"/></span><span style="color: rgba(0, 0, 0, 0.9); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);">See you next year, or better yet—see you at your factory!</span></p><p><a class="GVhQpAUZPmbNntedqtXaIqgidncVcYxvCOHpbM " tabindex="0" href="https://www.linkedin.com/search/results/all/?keywords=%23cometal&origin=HASH_TAG_FROM_FEED" data-test-app-aware-link="" style="box-sizing: inherit; margin: 0px; padding: 0px; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); text-decoration: rgb(10, 102, 194); font-weight: 600; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; color: rgb(10, 102, 194); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; touch-action: manipulation; position: relative; word-break: normal; overflow-wrap: normal; white-space: normal; display: inline-block; line-height: inherit !important;"><span class="visually-hidden" style="box-sizing: inherit; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); margin: -1px !important; padding: 0px !important; border: 0px !important; width: 1px !important; height: 1px !important; display: block !important; position: absolute !important; line-height: inherit !important;">hashtag</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;"><span aria-hidden="true" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;">#</span>Cometal</span></a><span class="white-space-pre" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); white-space: pre !important; line-height: inherit !important;"> </span><a class="GVhQpAUZPmbNntedqtXaIqgidncVcYxvCOHpbM " tabindex="0" href="https://www.linkedin.com/search/results/all/?keywords=%23aluminumextrusion&origin=HASH_TAG_FROM_FEED" data-test-app-aware-link="" style="box-sizing: inherit; margin: 0px; padding: 0px; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); text-decoration: rgb(10, 102, 194); font-weight: 600; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; color: rgb(10, 102, 194); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; touch-action: manipulation; position: relative; word-break: normal; overflow-wrap: normal; white-space: normal; display: inline-block; line-height: inherit !important;"><span class="visually-hidden" style="box-sizing: inherit; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); margin: -1px !important; padding: 0px !important; border: 0px !important; width: 1px !important; height: 1px !important; display: block !important; position: absolute !important; line-height: inherit !important;">hashtag</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;"><span aria-hidden="true" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;">#</span>AluminumExtrusion</span></a><span class="white-space-pre" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); white-space: pre !important; line-height: inherit !important;"> </span><a class="GVhQpAUZPmbNntedqtXaIqgidncVcYxvCOHpbM " tabindex="0" href="https://www.linkedin.com/search/results/all/?keywords=%23aluminumchina2026&origin=HASH_TAG_FROM_FEED" data-test-app-aware-link="" style="box-sizing: inherit; margin: 0px; padding: 0px; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); text-decoration: rgb(10, 102, 194); font-weight: 600; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; color: rgb(10, 102, 194); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; touch-action: manipulation; position: relative; word-break: normal; overflow-wrap: normal; white-space: normal; display: inline-block; line-height: inherit !important;"><span class="visually-hidden" style="box-sizing: inherit; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); margin: -1px !important; padding: 0px !important; border: 0px !important; width: 1px !important; height: 1px !important; display: block !important; position: absolute !important; line-height: inherit !important;">hashtag</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;"><span aria-hidden="true" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;">#</span>AluminumChina2026</span></a><span class="white-space-pre" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); white-space: pre !important; line-height: inherit !important;"> </span><a class="GVhQpAUZPmbNntedqtXaIqgidncVcYxvCOHpbM " tabindex="0" href="https://www.linkedin.com/search/results/all/?keywords=%23industryinnovation&origin=HASH_TAG_FROM_FEED" data-test-app-aware-link="" style="box-sizing: inherit; margin: 0px; padding: 0px; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); text-decoration: rgb(10, 102, 194); font-weight: 600; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; color: rgb(10, 102, 194); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; touch-action: manipulation; position: relative; word-break: normal; overflow-wrap: normal; white-space: normal; display: inline-block; line-height: inherit !important;"><span class="visually-hidden" style="box-sizing: inherit; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); margin: -1px !important; padding: 0px !important; border: 0px !important; width: 1px !important; height: 1px !important; display: block !important; position: absolute !important; line-height: inherit !important;">hashtag</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;"><span aria-hidden="true" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;">#</span>IndustryInnovation</span></a><span class="white-space-pre" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); white-space: pre !important; line-height: inherit !important;"> </span><a class="GVhQpAUZPmbNntedqtXaIqgidncVcYxvCOHpbM " tabindex="0" href="https://www.linkedin.com/search/results/all/?keywords=%23extrusiontechnology&origin=HASH_TAG_FROM_FEED" data-test-app-aware-link="" style="box-sizing: inherit; margin: 0px; padding: 0px; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); text-decoration: rgb(10, 102, 194); font-weight: 600; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; color: rgb(10, 102, 194); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; touch-action: manipulation; position: relative; word-break: normal; overflow-wrap: normal; white-space: normal; display: inline-block; line-height: inherit !important;"><span class="visually-hidden" style="box-sizing: inherit; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); margin: -1px !important; padding: 0px !important; border: 0px !important; width: 1px !important; height: 1px !important; display: block !important; position: absolute !important; line-height: inherit !important;">hashtag</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;"><span aria-hidden="true" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;">#</span>ExtrusionTechnology</span></a><span class="white-space-pre" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); white-space: pre !important; line-height: inherit !important;"> </span><a class="GVhQpAUZPmbNntedqtXaIqgidncVcYxvCOHpbM " tabindex="0" href="https://www.linkedin.com/search/results/all/?keywords=%23manufacturingexcellence&origin=HASH_TAG_FROM_FEED" data-test-app-aware-link="" style="box-sizing: inherit; margin: 0px; padding: 0px; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); text-decoration: rgb(10, 102, 194); font-weight: 600; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; color: rgb(10, 102, 194); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; touch-action: manipulation; position: relative; word-break: normal; overflow-wrap: normal; white-space: normal; display: inline-block; line-height: inherit !important;"><span class="visually-hidden" style="box-sizing: inherit; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); margin: -1px !important; padding: 0px !important; border: 0px !important; width: 1px !important; height: 1px !important; display: block !important; position: absolute !important; line-height: inherit !important;">hashtag</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;"><span aria-hidden="true" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;">#</span>ManufacturingExcellence</span></a><span class="white-space-pre" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgba(0, 0, 0, 0.9); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); outline: rgba(0, 0, 0, 0.9) none 0px; font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; color: rgba(0, 0, 0, 0.9); white-space: pre !important; line-height: inherit !important;"> </span><a class="GVhQpAUZPmbNntedqtXaIqgidncVcYxvCOHpbM " tabindex="0" href="https://www.linkedin.com/search/results/all/?keywords=%23globalpartnership&origin=HASH_TAG_FROM_FEED" data-test-app-aware-link="" style="box-sizing: inherit; margin: 0px; padding: 0px; font-size: 14px; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 255, 255); text-decoration: rgb(10, 102, 194); font-weight: 600; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; color: rgb(10, 102, 194); font-family: -apple-system, system-ui, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, &quot;Helvetica Neue&quot;, &quot;Fira Sans&quot;, Ubuntu, Oxygen, &quot;Oxygen Sans&quot;, Cantarell, &quot;Droid Sans&quot;, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Lucida Grande&quot;, Helvetica, Arial, sans-serif; touch-action: manipulation; position: relative; word-break: normal; overflow-wrap: normal; white-space: normal; display: inline-block; line-height: inherit !important;"><span class="visually-hidden" style="box-sizing: inherit; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); margin: -1px !important; padding: 0px !important; border: 0px !important; width: 1px !important; height: 1px !important; display: block !important; position: absolute !important; line-height: inherit !important;">hashtag</span><span style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;"><span aria-hidden="true" style="box-sizing: inherit; margin: 0px; padding: 0px; border-color: rgb(10, 102, 194); border-style: none; border-width: 0px; border-image: none 100% / 1 / 0 stretch; vertical-align: baseline; background: none 0% 0% / auto repeat scroll padding-box border-box rgba(0, 0, 0, 0); outline: rgb(10, 102, 194) none 0px; line-height: inherit !important;">#</span>GlobalPartnership</span></a></p>
News 1
Company dynamics 2026-09-24

Aging Ovens and Mechanical Stretching for Aluminum Profile Strength

<h2 style="margin-top:32px;margin-bottom:8px"><strong><span style="font-family: Arial;font-size: 21px">What Stretching and Straightening Change in an Extruded Profile</span></strong></h2><p style="margin-bottom:8px;line-height:150%"><span style="font-family: Arial;font-size: 14px">A profile rarely exits the die perfectly true. It cools unevenly across its cross-section, it sags under its own weight on the run-out table, and friction inside the container leaves different zones of the section moving at slightly different speeds. The result is a gentle bend, a twist, or a bow that becomes more visible as the metal cools. A stretcher corrects this by gripping both ends and pulling the full length under controlled tension until every part of the section yields just slightly. At the microscopic level, this works through dislocation movement: deformation is carried by dislocations sliding through the crystal lattice, and distributing that movement evenly across the section is what turns a wavy profile into a straight one. The DoITPoMS dislocation library is a useful place to see why even distribution matters more than raw pulling force. What stretching really delivers is geometry plus a more balanced stress state. By pulling the profile a small, controlled distance past its yield point, the stretcher equalizes residual stresses that would otherwise make the profile spring, twist, or bow again later, during sawing, stacking, transport, or assembly. A straight profile with balanced internal stress is far easier to cut to length, bundle, and install into a finished product, and downstream dimensional consistency starts here. It is worth being precise about one limit: stretching shapes the profile and settles its internal stress, while the precipitation strengthening that defines an aged temper comes from a different step entirely.</span></p><h2 style="margin-top:32px;margin-bottom:8px"><strong><span style="font-family: Arial;font-size: 21px">How Aging Ovens Develop Strength After Quenching</span></strong></h2><p style="margin-bottom:8px;line-height:150%"><span style="font-family: Arial;font-size: 14px">Quenching is the setup step that makes aging possible. During cooling, often straight after the press, alloying elements are held in a supersaturated solid solution inside the aluminum matrix. In that state the metal can be straightened and handled, but it is not yet strong. An aging oven then supplies controlled heat for a defined period, which lets fine precipitates form and spread through the grains. Those precipitates act as obstacles that resist dislocation motion, and that resistance is what raises yield strength. This is precipitation hardening, also called artificial aging, and it is a structural change rather than a shape change. The Total Materia article on aluminum alloy heat treatment cycles is a reasonable reference for how precipitation and artificial aging fit into a broader thermal sequence.</span></p><h3 style="margin-top:13px;margin-bottom:5px"><strong><span style="font-family: Arial;font-size: 16px">1. What Mechanical Straightening Cannot Fix in Aged Profiles</span></strong></h3><p style="margin-bottom:8px;line-height:150%"><span style="font-family: Arial;font-size: 14px">Once an aging cycle is complete, the profile is stronger but also less ductile, and pulling it hard at that point is a different and riskier operation. Straightening a fully aged profile can crack it, or introduce new internal stress that shows up later as movement during machining or assembly. That is why straightening belongs before aging, while the material still has room to deform. Straightening also cannot substitute for aging in the other direction. If a profile was under-aged, no amount of stretching will build the missing precipitates, and a soft section stays soft. Deformation that appears after aging, often from stacking pressure or uneven support inside the oven, is likewise hard to correct mechanically.</span></p><h3 style="margin-top:13px;margin-bottom:5px"><strong><span style="font-family: Arial;font-size: 16px">2. Why Uniform Aging Temperature Supports Consistent Profile Performance</span></strong></h3><p style="margin-bottom:8px;line-height:150%"><span style="font-family: Arial;font-size: 14px">The quality variable that matters most inside an aging oven is not peak temperature but uniformity. If one part of the load sits hotter than another, precipitates form to different degrees across the same batch. The practical outcome is inconsistency: profiles from a single run behave differently when bent, machined, anodized, or loaded. Oven design therefore centers on airflow, load arrangement, and stable temperature control through the whole soak period. Uniform heat produces uniform precipitation, and uniform precipitation is what lets a plant promise the same performance from every profile in a bundle rather than from an average of the bundle.</span></p><h2 style="margin-top:32px;margin-bottom:8px"><strong><span style="font-family: Arial;font-size: 21px">Why Order Matters Between Stretching, Cooling, and Aging</span></strong></h2><p style="margin-bottom:8px;line-height:150%"><span style="font-family: Arial;font-size: 14px">The three steps form a chain in which each one sets up the next. Extrusion is followed by controlled quenching, which locks alloying elements into solution. Stretching and straightening then come while the metal is still workable, correcting shape and reducing residual stress. Finally, aging builds strength through precipitation. Change that order and the process loses value at each point. Age a profile first and straightening turns into a damaging operation on hard, less forgiving metal. Quench unevenly or too slowly and the supersaturated state is incomplete, so the oven has less to work with and the achievable strength ceiling drops, no matter how well the stretching step was performed. Stretch a profile and then let it sit for a long time before aging, and natural aging begins on its own, which complicates the picture. This is also why line builders treat straightening equipment and aging ovens as two links in one continuous post-extrusion flow rather than as independent machines. In Cometal extrusion line solutions, stretchers and aging ovens sit among the thirteen core units that carry a profile from billet handling to finished logistics, with line tonnage spanning 11 MN to 125 MN and a modular, automation-controlled architecture. That arrangement reflects the sequence logic rather than any single unit being the star. Exact aging cycles and the mechanical values they produce still depend on the alloy and the process parameters chosen for a given profile.</span></p><h2 style="margin-top:32px;margin-bottom:8px"><strong><span style="font-family: Arial;font-size: 21px">Conclusion</span></strong></h2><p style="margin-bottom:8px;line-height:150%"><span style="font-family: Arial;font-size: 14px">Stretching and aging are easy to lump together because both appear to make an extruded profile &quot;better,&quot; but they solve different problems. Stretching and straightening fix geometry and settle residual stress while the metal is still soft. Aging ovens change the internal structure so the profile gains usable strength after quenching. Because each depends on the state left behind by the previous step, the order between quenching, stretching, and aging is part of the quality itself. Readers who keep those two jobs separate can judge profile performance claims with far more confidence.</span></p><h2 style="margin-top:32px;margin-bottom:8px"><strong><span style="font-family: Arial;font-size: 21px">FAQ</span></strong></h2><h3 style="margin-top:13px;margin-bottom:5px"><strong><span style="font-family: Arial;font-size: 16px">Q:How does stretching straighten an extruded aluminum profile?</span></strong></h3><p style="margin-bottom:8px;line-height:150%"><span style="font-family: Arial;font-size: 14px">A:A stretcher grips both ends of the profile and pulls the full length past its yield point by a small, controlled amount. That slight plastic deformation spreads evenly through the cross-section, carried by dislocation movement, and it removes the bow or twist left by uneven cooling. The same operation also balances residual stresses so the profile does not spring back into a curve during later cutting, stacking, or assembly.</span></p><h3 style="margin-top:13px;margin-bottom:5px"><strong><span style="font-family: Arial;font-size: 16px">Q:What does an aging oven do after aluminum profiles are quenched?</span></strong></h3><p style="margin-bottom:8px;line-height:150%"><span style="font-family: Arial;font-size: 14px">A:Quenching traps alloying elements in a supersaturated solid solution. The aging oven then applies controlled heat for a set period, allowing fine precipitates to form throughout the metal. Those precipitates block dislocation movement, which is what raises the yield strength of the profile. It is a structural change, not a shaping step, and it is the stage where the finished temper actually develops.</span></p><h3 style="margin-top:13px;margin-bottom:5px"><strong><span style="font-family: Arial;font-size: 16px">Q:Why should stretching and aging be understood as different quality steps?</span></strong></h3><p style="margin-bottom:8px;line-height:150%"><span style="font-family: Arial;font-size: 14px">A:Stretching is mechanical and works on shape and internal stress while the profile is still soft. Aging is thermal and works on microstructure to build strength after quenching. Because aging makes the metal harder and less ductile, straightening has to happen first, and because aging depends on a proper quenched state, it cannot be replaced by any mechanical correction. Keeping them separate explains why the sequence matters.</span></p><h2 style="margin-top:32px;margin-bottom:8px"><strong><span style="font-family: Arial;font-size: 21px">Sources / References</span></strong></h2><p style="margin-bottom:8px;line-height:150%"><a href="https://www.doitpoms.ac.uk/tlplib/dislocations/index.php"><span style="text-decoration:underline;"><span style="font-family: Arial;color: rgb(0, 0, 255);font-size: 14px">Introduction To Dislocations</span></span></a></p><p style="margin-bottom:8px;line-height:150%"><a href="https://www.doitpoms.ac.uk/tlplib/phase-diagrams/index.php"><span style="text-decoration:underline;"><span style="font-family: Arial;color: rgb(0, 0, 255);font-size: 14px">Phase Diagrams and Solidification</span></span></a></p><p style="margin-bottom:8px;line-height:150%"><a href="https://www.totalmateria.com/en-us/articles/friction-stir-welding-of-aluminum-alloys-1"><span style="text-decoration:underline;"><span style="font-family: Arial;color: rgb(0, 0, 255);font-size: 14px">Friction Stir Welding of Aluminum Alloys</span></span></a></p><h2 style="margin-top:32px;margin-bottom:8px"><strong><span style="font-family: Arial;font-size: 21px">Related Examples</span></strong></h2><p style="margin-bottom:8px;line-height:150%"><a href="https://www.cometal.cn/article/cn9tkb4GaD"><span style="text-decoration:underline;"><span style="font-family: Arial;color: rgb(0, 0, 255);font-size: 14px">Cometal extrusion line reference</span></span></a></p><p><br/></p>
News 1
Company dynamics 2026-09-24

Cutting Energy Waste in Aluminum Extrusion: What Line-Level Monitoring Should Actually Track

<h2><strong><span style="font-family: Calibri;font-size: 20px">Why Energy Waste Remains Difficult to See in Aluminum Extrusion</span></strong></h2><p><span style="font-family: Calibri;font-size: 14px">A monthly electricity bill confirms that energy was consumed, but it does not show which unit consumed it, whether that consumption was necessary, or which products caused the highest demand. In an extrusion plant, the furnace, press, puller, cooling system, stretcher, saw, stacker, aging oven, and logistics equipment can operate on different cycles. Aggregate data therefore cannot separate efficient production from idle losses, repeated heating, scrap, or poor coordination between stages.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">The Gap Between Utility Bills and Production Causes</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Plant managers may see a cost increase without being able to locate its cause. A high-consumption month can reflect product mix, low yield, overtime, seasonal conditions, equipment condition, or an inefficient start-up sequence. Without time-linked production records, teams can easily improve one indicator while shifting waste to another stage. Useful monitoring must connect energy data to specific production events and operating states.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">How Hidden Losses Accumulate Across the Production Line</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Energy losses rarely appear as one obvious failure. They accumulate through billet waiting time, furnace holding, temperature variation, press idle periods, hydraulic operation, cooling pump demand, compressed air use, repeated heating, and manual handling. A coordinated line narrows the gap between process stages, but control settings still require evidence. Monitoring turns those small losses into visible patterns that can be managed.</span></p><h2><strong><span style="font-family: Calibri;font-size: 20px">&nbsp;</span></strong></h2><h2><strong><span style="font-family: Calibri;font-size: 20px">What Line-Level Monitoring Should Measure</span></strong></h2><h3><strong><span style="font-family: Calibri;font-size: 16px">Energy Consumption per Tonne and per Profile Family</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">The basic indicator should be energy per tonne of saleable output, not energy per tonne of metal pushed through the press. Readings become more useful when grouped by alloy, profile family, die, cross-section, shift, and production order. A plant may appear efficient when running simple profiles and inefficient when running complex hollow sections. Normalising the data prevents a change in product mix from being mistaken for an efficiency improvement.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Heating and Billet Preparation Losses</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Billet heating should be measured separately because it combines useful process heat with holding losses and schedule-driven waiting. Relevant signals include furnace energy, start-up and ramp time, holding time, temperature deviation, and the interval between heating and pressing. When heating is not aligned with press availability, energy can be consumed without advancing production.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Extrusion Press Load, Idle Time, and Start-Stop Cycles</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Press monitoring should distinguish productive load from idling, no-load operation, hydraulic demand, and repeated start-stop cycles. Peak electrical demand also matters because a short period of high load can increase cost even when monthly consumption appears stable. These signals help teams examine production sequencing, operator response, and equipment condition before investing in new hardware.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Cooling, Hydraulics, Compressed Air, and Auxiliary Loads</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Cooling is both a quality variable and an energy variable. Balance Intensive Cooling Systems, cooling beds, pumps, fans, water flow, and air flow all influence how much energy is used after the die. Thermal control affects straightness, internal stress, and downstream handling, while adaptive control can reduce unnecessary use of water, air, and pumping resources. Auxiliary systems should therefore sit inside the measurement boundary rather than remain invisible overheads.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Quality-Adjusted Energy: Scrap, Rework, and Repeat Heating</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">The most revealing metric is energy per good tonne. Metal that is rejected, downgraded, reworked, or heated again carries all of the energy used to create it, plus the energy used in the corrective cycle. This is why quality and environmental performance should be reviewed together. A line that produces more tonnes with more rejects has not necessarily improved its resource efficiency.</span></p><h2><strong><span style="font-family: Calibri;font-size: 20px">&nbsp;</span></strong></h2><h2><strong><span style="font-family: Calibri;font-size: 20px">Building a Monitoring Framework That Supports Decisions</span></strong></h2><h3><strong><span style="font-family: Calibri;font-size: 16px">Metering Architecture and Signal Priorities</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">A practical programme can begin with the largest controllable loads: billet heating, the press and hydraulic system, cooling, compressed air, and finishing equipment. Process signals such as temperature, speed, cycle state, and downtime reason should share a common time base with energy readings. The objective is not to install the greatest possible number of meters, but to create a trustworthy picture of where energy creates value and where it is lost.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Normalising Data by Product Mix, Shift, and Alloy</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Comparisons should use consistent boundaries. Product mix, alloy, die, shift, ambient conditions, and available production time can all change the result. A baseline that ignores these variables will encourage false conclusions. Normalised data lets managers compare similar operating conditions and identify changes that remain significant after those factors are considered.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Data Quality Rules and Common False Conclusions</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Missing readings, manual entries, clock drift, inconsistent units, and unclear downtime codes can undermine an otherwise sound project. Before savings are claimed, teams should document how production, scrap, and energy are defined and how exceptions are treated. Data quality is not an administrative detail; it determines whether a recommendation can survive operational scrutiny.</span></p><h2><strong><span style="font-family: Calibri;font-size: 20px">&nbsp;</span></strong></h2><h2><strong><span style="font-family: Calibri;font-size: 20px">A Practical Energy Audit Sequence</span></strong></h2><h3><strong><span style="font-family: Calibri;font-size: 16px">Establish the Baseline and Define Operating Boundaries</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Select a representative period, identify which equipment is included, and record the production conditions that shaped the baseline. The result should be reproducible and clearly separated from temporary trials.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Isolate the Largest Controllable Losses</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Rank losses by size, controllability, implementation effort, and likely payback. This prevents a visible but minor problem from consuming attention while a larger loss remains inside an unmeasured auxiliary system.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Compare No-Cost, Control-Level, and Equipment-Level Actions</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Operational changes, revised control logic, maintenance corrections, and capital upgrades carry different risks and timelines. Grouping actions by intervention level helps decision-makers choose a balanced programme rather than treating every issue as a major project.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Verify Savings After the Change</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Measure the same variables before and after implementation, adjust for production conditions, and continue monitoring long enough to detect drift. Supplier calculations and design estimates can support a business case, but verified operating data should decide whether the expected benefit was delivered.</span></p><h2><strong><span style="font-family: Calibri;font-size: 20px">&nbsp;</span></strong></h2><h2><strong><span style="font-family: Calibri;font-size: 20px">How Automation and Retrofit Decisions Affect Energy Performance</span></strong></h2><h3><strong><span style="font-family: Calibri;font-size: 16px">Control and Drive Modernisation</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Improved controls can reduce unnecessary starts, stabilise cycle timing, and expose inefficient operating patterns. Drive modernisation may also change demand profiles and recovery behaviour. The environmental case depends on measured performance, not on the age of the equipment alone.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Heating and Cooling System Upgrades</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Heating and cooling should be evaluated as linked systems. A change that reduces furnace energy can alter the thermal window available at the press, and a cooling adjustment can affect both quality and downstream energy use. Procurement teams should require a combined view of energy, yield, maintenance, and product consistency.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Remote Diagnostics and Maintenance Response</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">Remote diagnostics and performance analytics can shorten the time between an abnormal condition and corrective action. Faster response may reduce scrap, repeated heating, and extended idle operation. The value is strongest when diagnostic data leads to a defined maintenance action rather than another dashboard that no one owns.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Phased Upgrades Versus Full Replacement</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">A full replacement can reset the equipment platform and introduce new process capability. A phased upgrade can reduce structural work, preserve compatible assets, and limit production interruption, but its benefit depends on the condition of the existing line. Published revamping examples sometimes cite energy reductions in the range of 25 to 40 percent, yet such figures should be treated as a hypothesis for site-specific verification. The correct comparison includes capital cost, downtime, material use, maintenance, product quality, and the remaining service life of retained equipment.</span></p><h2><strong><span style="font-family: Calibri;font-size: 20px">&nbsp;</span></strong></h2><h2><strong><span style="font-family: Calibri;font-size: 20px">Common Mistakes in Extrusion Energy Projects</span></strong></h2><p><span style="font-family: Symbol;font-size: 14px">· </span><span style="font-family: Calibri;font-size: 14px">Comparing total electricity cost without comparing energy per good tonne.</span></p><p><span style="font-family: Symbol;font-size: 14px">· </span><span style="font-family: Calibri;font-size: 14px">Using theoretical savings as a substitute for site measurement.</span></p><p><span style="font-family: Symbol;font-size: 14px">· </span><span style="font-family: Calibri;font-size: 14px">Ignoring product mix, alloy, and shift effects.</span></p><p><span style="font-family: Symbol;font-size: 14px">· </span><span style="font-family: Calibri;font-size: 14px">Upgrading the main press while leaving heating and auxiliary loads unmeasured.</span></p><p><span style="font-family: Symbol;font-size: 14px">· </span><span style="font-family: Calibri;font-size: 14px">Mistaking higher output for better energy efficiency.</span></p><p><span style="font-family: Symbol;font-size: 14px">· </span><span style="font-family: Calibri;font-size: 14px">Ending the project at commissioning instead of maintaining continuous verification.</span></p><h2><strong><span style="font-family: Calibri;font-size: 20px">&nbsp;</span></strong></h2><h2><strong><span style="font-family: Calibri;font-size: 20px">Frequently Asked Questions</span></strong></h2><h3><strong><span style="font-family: Calibri;font-size: 16px">Q1: What should an extrusion plant monitor first?</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">A: Start with separately metered heating, press and hydraulic demand, cooling, compressed air, and finishing loads. Link those readings to production output, product family, downtime, and scrap so the data can support an operating decision.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Q2: Why is total electricity consumption not a sufficient efficiency metric?</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">A: Total consumption shows how much energy was used but not whether it produced saleable output efficiently. Product mix, yield, start-up losses, and idle operation can change the result without appearing in a single monthly total.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Q3: Should energy be measured per tonne or per good tonne?</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">A: Energy per good tonne is more useful for environmental and commercial analysis because it includes the cost of scrap, rework, and repeated processing. Energy per total tonne can still be used as a secondary indicator.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Q4: Which systems usually deserve early attention?</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">A: Heating, press idle and hydraulic demand, cooling, and compressed air are common priorities because they are significant, controllable, and connected to production quality. A site baseline should determine the actual order.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Q5: How can a retrofit reduce interruption risk?</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">A: A phased plan can separate assessment, control upgrades, mechanical work, and commissioning. The sequence should match production commitments and preserve a clear fallback position at each stage.</span></p><h3><strong><span style="font-family: Calibri;font-size: 16px">Q6: How should suppliers verify an expected energy saving?</span></strong></h3><p><span style="font-family: Calibri;font-size: 14px">A: The supplier and plant should agree on boundaries, baseline conditions, measurement methods, production adjustments, and a review period before work begins. Verification should use operating data rather than design assumptions alone.</span></p><h2><strong><span style="font-family: Calibri;font-size: 20px">&nbsp;</span></strong></h2><h2><strong><span style="font-family: Calibri;font-size: 20px">Conclusion</span></strong></h2><p><span style="font-family: Calibri;font-size: 14px">Energy waste in aluminum extrusion becomes manageable only when it is visible at the level where decisions are made. A line-level framework connects energy to heating, pressing, cooling, auxiliary systems, product mix, and quality. It also gives procurement teams a more credible way to compare control improvements, phased revamping, and full replacement. The strongest programme is not the one with the most meters; it is the one that turns trustworthy evidence into sustained operating discipline.</span></p><p><span style="font-family: Calibri;font-size: 14px">For plants that need to connect energy data with line control, </span><a href="https://www.cometal.cn/"><strong><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(0, 0, 255)">Cometal</span></span></strong></a><span style="font-family: Calibri;font-size: 14px">&#39;s integrated extrusion line and revamping solutions provide a practical reference point for evaluating automation, diagnostics, and process-level efficiency.</span></p><p><span style="font-family: Calibri;font-size: 14px"><br clear="all" style="page-break-before:always"/></span></p><h2><strong><span style="font-family: Calibri;font-size: 20px">&nbsp;</span></strong></h2><h2><strong><span style="font-family: Calibri;font-size: 20px">&nbsp;</span></strong></h2><h2><strong><span style="font-family: Calibri;font-size: 12px">References</span></strong></h2><h3><strong><span style="font-family: Calibri;font-size: 12px">Sources</span></strong></h3><p><a href="https://www.energy.gov/sites/prod/files/2017/12/f46/Aluminum_bandwidth_study_2017.pdf"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">Bandwidth Study on Energy Use and Potential Energy Saving Opportunities in U.S. Aluminum Manufacturing</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://www.energy.gov/sites/prod/files/2017/12/f46/Aluminum_bandwidth_study_2017.pdf"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://www.energy.gov/sites/prod/files/2017/12/f46/Aluminum_bandwidth_study_2017.pdf</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: This study provides a national framework for understanding energy use and long-range efficiency opportunities in aluminum manufacturing.</span></p><p><a href="https://eta-publications.lbl.gov/sites/default/files/06-06-16_lbl_ceg_aluminum_ee_techs.pdf"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">Emerging Energy Efficiency and Carbon Dioxide Emissions-Reduction Technologies for Industrial Production of Aluminum</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://eta-publications.lbl.gov/sites/default/files/06-06-16_lbl_ceg_aluminum_ee_techs.pdf"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://eta-publications.lbl.gov/sites/default/files/06-06-16_lbl_ceg_aluminum_ee_techs.pdf</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: This technical report reviews efficiency and emissions-reduction technologies that can inform longer-term equipment planning.</span></p><p><a href="https://aec.org/extrusion-epdslca"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">Extrusion EPDs and Life Cycle Assessment</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://aec.org/extrusion-epdslca"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://aec.org/extrusion-epdslca</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: The Aluminum Extruders Council explains the data and system boundaries behind industry-average extrusion environmental declarations.</span></p><p><a href="https://www.aluminum.org/sites/default/files/2022-08/102.1_Aluminum_Assocication_EPD_Extruded_Aluminum.pdf"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">Environmental Product Declaration for Extruded Aluminum</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://www.aluminum.org/sites/default/files/2022-08/102.1_Aluminum_Assocication_EPD_Extruded_Aluminum.pdf"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://www.aluminum.org/sites/default/files/2022-08/102.1_Aluminum_Assocication_EPD_Extruded_Aluminum.pdf</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: This declaration documents life-cycle indicators for extruded aluminum and helps place process energy within a wider product footprint.</span></p><p><a href="https://international-aluminium.org/work-areas/lifecycle/"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">Lifecycle Data and Environmental Metrics for Aluminium</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://international-aluminium.org/work-areas/lifecycle/"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://international-aluminium.org/work-areas/lifecycle/</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: The International Aluminium Institute provides life-cycle inventory resources that support consistent environmental assessment across the aluminum value chain.</span></p><h3><strong><span style="font-family: Calibri;font-size: 12px">Related Examples</span></strong></h3><p><a href="https://www.kautec.net/aluminum-extrusion-cooling-control-and-measurement/"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">Aluminum Extrusion Cooling with Variable Geometry Control</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://www.kautec.net/aluminum-extrusion-cooling-control-and-measurement/"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://www.kautec.net/aluminum-extrusion-cooling-control-and-measurement/</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: This technical example shows how adaptive nozzle control, flow regulation, and continuous temperature measurement can support cooling efficiency and quality.</span></p><p><a href="https://www.cometal.cn/article/cn9tkb4GaD"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">Cometal Extrusion Line Solutions</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://www.cometal.cn/article/cn9tkb4GaD"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://www.cometal.cn/article/cn9tkb4GaD</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: The line specification provides a detailed example of integrated extrusion scope, process control, energy monitoring, and remote diagnostics.</span></p><p><a href="https://www.cometal.cn/revamping"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">Cometal Extrusion Line Revamping</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://www.cometal.cn/revamping"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://www.cometal.cn/revamping</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: The revamping page illustrates phased upgrades, energy-oriented modernization, and the role of diagnostics in extending equipment service life.</span></p><h3><strong><span style="font-family: Calibri;font-size: 12px">Further Reading</span></strong></h3><p><a href="https://www.dailytradeinsights.com/2026/09/what-is-automated-extrusion-production.html"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">What Is an Automated Extrusion Production Line?</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://www.dailytradeinsights.com/2026/09/what-is-automated-extrusion-production.html"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://www.dailytradeinsights.com/2026/09/what-is-automated-extrusion-production.html</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: This article explains how upstream, pressing, downstream, cooling, aging, and logistics units operate as one coordinated production path.</span></p><p><a href="https://www.exportandimporttips.com/2026/09/how-does-bics-cooling-affect-aluminum.html"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">How Does BICS Cooling Affect Aluminum Extrusion Quality?</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Link:</span></p><p><a href="https://www.exportandimporttips.com/2026/09/how-does-bics-cooling-affect-aluminum.html"><span style="text-decoration:underline;"><span style="font-family: Calibri;color: rgb(5, 99, 193);font-size: 12px">https://www.exportandimporttips.com/2026/09/how-does-bics-cooling-affect-aluminum.html</span></span></a></p><p><span style="font-family: Calibri;font-size: 12px">Note: This article connects balanced cooling to profile quality, thermal control, downstream handling, and the wider extrusion process.</span></p><p><br/></p>

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