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.

Precision rotary solutions for grinding, lapping and polishing of hard metals, ceramics, silicon carbide, etc.
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On a custom CNC machining fixture, an air orifice on a conical feature at a key part datum location provides pressure readings to the machine to confirm that the part is seated properly according to its datum structure.

Fixture Feedback Keeps Automation Accountable

Self-validating hydraulic workholding keeps processes reliable and limits the need for on-machine probing.

The Case for 3D-Printed Workholding: Collapsing Costs and Lead Times

When Precision Metal Products purchased its first 3D printer last year, the company hoped to collapse both tooling costs and lead times. But the technology’s impact is reaching core business operations, enabling the shop to focus on higher-margin, lower-volume production.

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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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