Sandvik Coromant Silent tools - application guide - Manual (Page 17)

15
CoroMill 390/
CoroMill 490
CoroMill 345 CoroMill 210 CoroMill 200/
CoroMill 300
2. Milling
Factors that influence vibration
There are four basic factors that have a major influence on
vibration:
• Entering/lead angle and cutting forces
• Cutter diameter relative to radial depth of cut
• Insert geometry
• Cutter pitch
Entering angle
The entering angle is important as it determines the direction of
the cutting forces. The larger the kappa angle (KAPR), the larger the
radial cutting forces. Choose cutter concept according to process
and application.
When the radial cutting forces increase, you can see the difference
in functionality between dampened and undampened tools.
With a small entering angle combined with shorter overhang, the
maximum depth of cut on the cutter could be reached before
vibration occure.
Increased tool stabillity