SHARS 6 SEMI-MACHINED BACK PLATE D1-6 FOR ALL PLAIN BACK LATHE CHUCK NEW. For back plate you would need to drill mounting holes and turn the shoulder D1 down.040 to match the back of the lathe chuck to make the chuck & back plate more concentric with the lathe spindle and reach chuck's TIR. For use adapting flat back chucks to any taper spindle. Semi-finished D cam-lock studs type.
Cast iron camlock adapter plates with through hole. How to process back plate to guarantee Chuck's T. As long as back plate Shoulder Diameter 5.16"> chuck's D1, all 6" chuck will fit in. All back plates have 0.04 allowance, please measure the size of Chuck's D1 before process your back plates. The size of back plates's D1 should be a little bit smaller than the size of Chuck's D1.
Because the gap between back plate and chuck is smaller, chuck's TIR is better. No gap is the best. D1 need to be processed before back plate can be mounted. You would not need to drill any mounting holes but you will need to turn the shoulder down. 040 to match the back of the lathe chuck to make the chuck & back plate more concentric with the lathe spindle.When turning the shoulder of the backing plate, ONLY TURN THE SHOULDER OF THE BACKING PLATE WHEN ATTACHED TO THE LATHE SPINDLE. If you use a chuck to clamp the backing plate and then turn it, the backing plate will not be true to the lathe spindle and will have more runout than specified when the chuck and back plate are put together. We have matching LATHE CHUCKS available.
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We have more LATHE CHUCKS available. The item "SHARS 6 SEMI-MACHINED BACK PLATE D1-6 FOR ALL PLAIN BACK LATHE CHUCK NEW" is in sale since Friday, January 30, 2015.This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Chucks". The seller is "discount_machine" and is located in Saint Charles, Illinois. This item can be shipped worldwide.