Owner's manual

ManualsBrandsSandvik Coromant ManualsMetalworkingThreading

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Chipping

• The part of the cutting edge which is

not in cut is damaged by chip ham-

mering, leading to poor surface and

excessive  ank wear

• Increase cutting speed

• Reduce feed at the beginning of the

cut

• Improve stability

• Increase number of infeed passes

• Use a full-pro le insert

Problem Cause Solution

Thread milling

Poor surface  nish and cutting edge

frittering when the built-up edge is torn

away.

• Cutting zone temperature is too low.

• Very sticky material, such as low-

carbon steel, stainless steels, and

aluminium.

Built-up edge (B.U.E)

• Increase cutting speed or feed

• Use oil mist or cutting  uid