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home made cam lock backplate

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PeterT

Ultra Member
Premium Member
We were just talking about this, particulalrly setup to copy the spindle nose angle with DTI. He didn't really show any blueing (fit), just a thumbs up. But looks like he achieved good runout.

 
IMG_20200216_172513[1].jpg


Here is mine. Yes you can make it OK. Maybe not every time but most of the time. He cut the flange and then with indicator it shows zero - no kidding if it did not then it would indicate that his spindle has bad bearings. The actual test is to take it off and put it back on, preferably doing multiple positions.

As you can see mine taken off and back on is around +-0.015 mm or less then 0.001 inch. Which matches backing plate on German chuck and probably exceeds performance of anything from China.
 
Not sure, I may get a tripod for my camera and at least post few things. Maybe some editing software. If I start posting more it will be small stuff - I lot of pp that are famous must have started small.
 
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