How to Confirm Extended Length of Cutters
How to Confirm Extended Length of Cutters?
The longer extended length of cutters, the better. But in practical processing, if the extended length of stone engraving tools is too short, we need to readjust frequently. That would affect cnc efficiency greatly.
So how to confirm extended length of cutters?
1. The principle is like this:
(1) The flute end mill with shank-φ3:
5MM exserted length can in normal machining.
(2) The carbide milling cutter with φ4 shank diameter:
7MM extended length of cutter is suitable for working.
(3) The ball nose cutters with φ6 diameter:
10MM protruding length is advisable.
2. When install router bits, the extended length of cutters should be less than above values. And not over1.5 times of cutter body thickness. If need to more than them, try to control within the engraving depth when cutter wear out.
It is not fixed. Large machining volume can with short extended length of cutters. As long as not influence cutting and chip removal.
The cutting principle is, cutting capacity is first, feed is second, finally consider cutting speed.
It is a little difficult for the extended length of cutters, so we need more practice to master it.
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