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The Systec front-actuated pneumatically powered jaw chuck from Lexair is an ideal automation upgrade for manual lathes, as well as rotary tables and indexers that require higher grip force for difficult applications. The self-contained air-open/air-close chucks are available in five sizes from approximately 5" to 12". The drawtube-free design offers through-hole capacity up to 4.52", with more than 18,000 lbf grip force at 1,000 rpm for the largest size. Systec master-jaw/top-jaw chucks are available with inch or metric serrations in all sizes. Most sizes are available in two, three or four-jaw configurations, and the four-jaw design can be used as a two-jaw. Using an adapter plate, the chuck will fit A5 to A11 spindle faces.
The Systec chuck's non-rotating air manifold uses Teflon seals that are virtually maintenance free and help increase the grip force. The chuck operates with just 90 psi air pressure. Internal safety valves prevent loss of air pressure and gripping force.
The Systec chuck is rigid and durable, with a precision-ground body, fully hardened to 62 HRC. It comes standard with a pair of hoses, mounting bolts and T-nuts. Accessories include spindle adapters, soft and hard-top jaws, grease gun, a manual directional-control valve and a dual foot-operated valve.
Related Glossary Terms
- 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.
- through-hole
through-hole
Hole or cavity cut in a solid shape that connects with other holes or extends all the way through the workpiece.
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