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EB Manufacturing Co. Inc. offers a line of compensating chucks equipped with a floating jaw mechanism for holding eccentric workpieces, particularly for the firearms, automotive, aerospace and medical industries. Two- and 3-jaw models are available from 6" to 18" in diameter. An 1⁄8" compensation per jaw is provided. As a chuck grips a part, it compensates for the irregularity between the ID and OD. When the part is turned, the chuck centers it and turns the OD concentric to the ID.
Related Glossary Terms
- centers
centers
Cone-shaped pins that support a workpiece by one or two ends during machining. The centers fit into holes drilled in the workpiece ends. Centers that turn with the workpiece are called “live” centers; those that do not are called “dead” centers.
- chuck
chuck
Workholding device that affixes to a mill, lathe or drill-press spindle. It holds a tool or workpiece by one end, allowing it to be rotated. May also be fitted to the machine table to hold a workpiece. Two or more adjustable jaws actually hold the tool or part. May be actuated manually, pneumatically, hydraulically or electrically. See collet.
- inner diameter ( ID)
inner diameter ( ID)
Dimension that defines the inside diameter of a cavity or hole. See OD, outer diameter.
- outer diameter ( OD)
outer diameter ( OD)
Dimension that defines the exterior diameter of a cylindrical or round part. See ID, inner diameter.
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