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Milling – workholding – rotary table with four jaw chuck

Though it might be obvious that a three jaw chuck mounted on a rotary table would be useful it is not so obvious that a four jaw one might be.

A four jaw chuck mounted on a rotary table is almost equivalent to a rotary table fitted with 4 side clamps.

573 rotary table with side clamps

573 rotary table with side clamps

fig rotary table fitted with four side clamps

It is shown elsewhere that a four jaw chuck mounted on a plate that can be fitted on the milling table is like a fixture consisting of four side clamps.This can be very useful and is easy to make furthermore it can be mounted on rotary table.

5200 four jaw chuck fitted on a rotary table

5200 four jaw chuck fitted on a rotary table

fig rotary table with four jaw chuck fixture fitted on it

In any of these arrangement not only can a workpiece that is not round, be easily held but it is also useful for holding round shapes eccentrically.

 

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