Kitagawa Offers The Complete Work Holding Solution

The manufacture of the irregular work piece shown above could not be achieved by gripping the component using standard top jaws, and the number of turning operations had to be kept to an absolute minimum. This component required both faces of the flange to be machined and the edges of the component to receive some drilling and tapping.

Utilising the broad range of Kitagawa's Power Chuck and Rotary Table range, Kitagawa was able to offer a solution that provided a finished work piece after three clamping operations.

For the first turning operation Kitagawa provided a three jaw PW10 Power Chuck with special jaws and carbide inserts (shown above) to grip on the outside profile of the component. A removable ground backstop ensured the correct seating of the work piece and with a counter-weight distribution ring to balance the work piece on the chuck established a smooth turning operation. This also allowed the use of this chuck for a variety of similar components by simply changing the jaws and the backstop and moving the weights around the distribution ring. The PW10 Power chuck operates by radially gripping the work piece and pulling it back onto the backstop to ensure strong work holding for the first operation.

For the Second turning operation Kitagawa provided a PU206 Closed Center Pull Back chuck (shown above) to accurately grip on an external boss feature machined during the 1st Operation. The component was again pulled onto a backstop with internal air sensing confirmation to ensure a correct seating position. In addition the PU206 Chuck was fitted with large diameter support ring for both component orientation and to allow the use of Self-adjusting Hydraulic Supports to eliminate vibration.


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