GMT Eccentric Compensating Chuck with Retractable Jaws and
face drive (PER) is used for machining forgings and black bars between centres
in single setup, (i.e.) no second operation necessary.
This Chuck is designed to machine components centre to centre
with great accuracy. The retractable jaws are actuated by a hydraulic cylinder or
an also centre to centre, since the jaws have an eccentric clamping drive.
After various machining operations are done on the component, without stopping the
machine the clamping jaws are retracted.
The torque is then transmitted through the face driver for
driving the jaws. The gripped portion can now be finished with fine depth of
cut. This ensures that the component is machined right upto the chuck face and
the centre to centre machining of component is completed.
The chuck body is made from forged medium carbon steel and toughened.
The levers and hinge pins are made from nickel chrome steel, case hardened and
ground in all working surfaces. The hard jaws are made from low carbon steel,
case hardened and ground. The special jaws are designed to clamp the component as
close to the centre to avoid distortion of the component and provide
inconsistent gripping.
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