Creation Core Higashiosaka
TEIKOKU CHUCK CO., LTD.
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Design Chucks for All Shaft Machining Work

The UBL-6JAW is an energy- and space-saving design chuck created specifically for shafts. Its centering and compensating function makes it possible to machine long shaft workpieces with different end diameters on an automobile production line. The result is that all of the work to meet work rest and tail centering specifications is handled on a single numerically controlled lathe instead of three machines.

The mass production of shafts normally requires machines for three different processes: machining both ends and center holes of workpieces, machining the shaft exterior while one end is gripped by a compression chuck with dual center support, and machining the previously gripped section by gripping the opposite end with the same specifications.

The UBL-6JAW makes it possible to complete all these processes with a single numerically controlled lathe. First, the larger diameter end of the workpiece is centered and gripped by a 3JAW chuck and then secured by a work rest. After both ends and a center hole are machined, the exterior is machined with dual center support. The workpiece is then turned over by a robot, the smaller diameter end relative to the chuck center is compression gripped, and the same work performed. Furthermore, different types of shaft workpieces can be produced by changing over the jaw piece and stopper at the receiving step.



Design chucks for all shaft processes

Design chucks for all shaft processes


Multi-jaw Chucks for Machining Thin Workpieces

Thin cylindrical workpieces make high-precision finishing difficult since they are deformed by even the slightest force. Neither gripping the workpiece exterior, nor using face clamps to grip the two rigid ends, are possible.

The multi-jaw chuck is an innovative design chuck capable of finishing thin workpieces with the same high circular precision as thick ones. Its multi-jaw design incorporates Teikoku Chuck’s self-developed floating mechanism, which provides rigid support to irregularly-shaped thin workpieces by firmly and evenly gripping their exterior.

Teikoku Chuck can flexibly respond to the diverse machining conditions and demands of customers specializing in automobile parts. Whether combining centering chucks or incorporating centering mechanisms into its multi-jaw design, they can produce labor-intensive single-order items with a quick turnaround, while improving product quality and productivity by providing high-precision finishing to such thin automobile parts as brake drums and automatic transmission components.



The Universal Ball Lock and Multijaw / Combination Design Chuck


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