Lead angle for boring bar?

Dec 02, 2009 4 Replies

Should an insert on a boring bar be neutral?


Usually..but it depends on if its a postive or negative insert.

Gunner

"Aren't cats Libertarian? They just want to be left alone. I think our dog is a Democrat, as he is always looking for a handout" Unknown Usnet Poster

Heh, heh, I'm pretty sure my dog is a liberal - he has no balls. Keyton

Looking at a CCMT with a 7 degree relief.

Why do you ask?

Pete Stanaitis

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Louis Ohland wrote:

There are bars with negative, neutral, and positive (best I can understand the drawings/photos) angles. What seems to be sensible is a bar with the insert at 0 degrees (horizontal) when mounted.

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