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Setting CNC Lathe Jaws


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do you use a chucking ring ??

 

http://cdn3.bigcommerce.com/s-jr5hrcn/products/108/images/244/8_boring_ring_2_1_1_1__75637.1406657410.1280.1280.jpg?c=2

 

last shop I was at we used one of these when truing up and boring soft jaws .

 

in my current environment all our turning centers are now equipped with collet chucks on the A and B spindle , as 90% of our products are under 2" O.D.  

 

when I have to bore a set for the HAAS TL1 we have I chuck a small crop in the hard jaws , size the boring bar , then switch over to soft jaws and bore to required OD and bore depth needed to hold the part .

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Just as Jeff does, I call up a boring bar or a turning tool depending on if the jaws clamp ID or OD. Most of our stuff isn't real close tolerance so unless we crash we only bore the jaws once. My little mori is usually well within .001 TIR just bolting the jaws on.

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