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A '''backgauge''' is a mechanical system, normally attached to a brake press. Its main function is to interface with the brake press computer numerical control (CNC), moving along several different axes in order to precisely position a piece of metal for forming.<ref>{{Cite web |last=Harris |first=Clare |date=2018-09-05 |title=Guide to Backgauges on a CNC Press Brake {{!}} Selmach™Machinery |url=https://selmach.com/news/guide-backgauges-cnc-press-brake/ |access-date=2025-08-16 |website=Selmach™ Machinery |language=en}}</ref>
Backgauges typically have anywhere from 1 to 6 axes of movement. Each of these individual axes is controlled by a separate electric motor. Often a brake press is sold to a customer in conjunction with a backgauge.
On an extrusion saw, a backgauge is responsible for feeding material at exact amounts past a saw blade. It is responsible for the accuracy of the piece's cut length.<ref>{{Cite web |date=2025-01-22 |title=The Crucial Role of Press Brake Backgauge in Metal Fabrication: Improve Productivity and Quality - ADH Machine Tool |url=https://shop.adhmt.com/importance-of-press-brake-backgauge/ |access-date=2025-08-16 |language=en-US}}</ref><ref>{{Cite web |title=The Importance Of Press Brake Backgauges {{!}} RMT - Revolution Machine Tools™ |url=https://www.rmtus.com/the-importance-of-press-brake-backgauges |access-date=2025-08-16 |language=en-US}}</ref>
== References == {{Reflist}} Category:Machine tools
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