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Knurling with QCTH

Tags: finding center the easy way

August 17, 2011
9:05 AM

Tenn

Linden, TN USA

Senior Member

Forum Posts: 176

Member Since:
April 19, 2011

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This only (that I'm aware of) works with a Quick Change Tool Holder but I have had good success with leaving the holder loose and letting the knurls float finding their own center. It has produced good quality uniform knurls without the bother of trying to get the double roller bump knurls dead centered manually.

Note: knurls still need to be set square with the work.

Just a tip that works for me. Laugh

~Chris

The man who will not share his wisdom, however foolish it may seem, For the betterment of his peers and the improvement of his trade, Is not worth his weight in swarf ! Learn from others mistakes, you probably won't live long enough to make them all yourself. But I do think I'm making progress on a lot of them! ~Chris

August 17, 2011
9:37 PM

Alexander m

Montreal

Senior Member

Forum Posts: 338

Member Since:
October 11, 2010

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I have never heard of using knurl with the holder loose, but thats something I have to try. The method that I have been told to use is to place a rod in the lathe and to slowly advance the two knurls with the motor running, if they are perfectly centered then they will begin to turn simultaneously with the tips just skimming the surface.

The best laid schemes on mill and lathe, Go often askew, -Bobby Burns, If he was a machinist.

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