- Joined
- Sep 11, 2013
- Messages
- 115
In addition to my earlier post and setting the compound at 90° to the work would actually eliminate the scallop/step ladder cut effect on one side of the "V" because the tool would now be cutting straight in and would track the thread spiral at its root exactly on the same line every time instead of shifting its track ever so slightly with an angled compound during feed change.
However, the disadvantage in such a 90° plunge in feed is that both cutting sides of the tool and its tip would be simultaneously under stress and more power would be needed. That may not be a big deal when threading soft metal like brass or aluminum.
Of course, the cutting tool would have to be ground with a geometry that could allow it to cut simultaneously on both sides during its feed.
Isn't that how ACME threads are actually cut?
However, the disadvantage in such a 90° plunge in feed is that both cutting sides of the tool and its tip would be simultaneously under stress and more power would be needed. That may not be a big deal when threading soft metal like brass or aluminum.
Of course, the cutting tool would have to be ground with a geometry that could allow it to cut simultaneously on both sides during its feed.
Isn't that how ACME threads are actually cut?