Workholding

Workholding refers to any device that is used to a secure a workpiece against the forces of machining. The most basic workholding device is a simple clamp, but workholding can also involve complex fixtures that are custom-built for particular parts. Other common workholding devices include vises and chucks, as well as indexers or rotary tables that are able to change the part’s position while it is held, so the machine can reach various features. In most machining applications, workholding also locates the part. On a machining center, for example, a vise or fixture may also provide the precise position and orientation where the machining program expects to find the workpiece.

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Darin Sewell speaks to another employee near a knee mill in the toolroom-turned-captive-machine shop at Ace Stamping & Machine Co. in Racine, Wisconsin.

Fabricator's Toolroom Becomes Captive CNC Machine Shop

Toolroom problem-solving yields high-production profit when a sheet metal fabricating business accepts a difficult machining contract.

Hitting the Zone with Five-Axis Machining

By investing in five-axis machining technology, Advance CNC Machining has done more than just add new capabilities to its roster. It has found a way to achieve something that most of us strive for: a way to work “in the zone.”
New Product Announcements

Schunk's Rota NCR-A Maintains Grip by Preventing Grease Contamination

The Rota NCR-A, a sealed six-jaw pendulum compensation chuck from Schunk, is designed with seals at the jaw interface and the piston to keep the grease from being washed out.



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You Can't Cut it if you Can't Hold It

Read an article we published that speaks to the changes that many shops are experiencing when dealing with the trend toward low volume/high mix jobs ...

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