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.
Self centering vise is a cost effective and universal workholding method for five sided machining.
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Clearing Weldment Machining Challenges

Rather than replacing an old horizontal boring mill with a similar model, this manufacturer of stone-cutting equipment now uses a dual-pallet HMC with a quill spindle to provide W-axis extension to reach past weldment obstructions and more effectively machine critical weldment features.
Feature

When a Turn-Mill Doesn’t Turn

LeanWerks uses innovative probing, tooling and workholding strategies to enable its turn-mill to machine castings complete, in effect turning it into a five-axis machining center.
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Six-Jaw Chucks Keep Long Pipe Ends Stable

Röhm offers LVE-V-AZ pneumatic, six-jaw front-end chucks for precise, centered and productive turning of large, long pipe ends, such as those used to extract crude oil or natural gas.



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