Owner's manual

ManualsBrandsSandvik Coromant ManualsMetalworkingThreading

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Problem Cause Solution

Poor surface  nish

Poor chip control

Shallow pro le

• Cutting speed too low

• The insert is above the centre height

• Uncontrolled chips

• Re-cutting of chips

• Incorrect method of infeed

• Incorrect thread geometry

• Wrong centre height

• Insert breakage

• Excessive wear

• Increase cutting speed

• Adjust centre height

• Use C-geometry and modi ed  ank

infeed

• Use compressed air for evacuation

• For modi ed  ank infeed use 3 - 5°

• Use C-geometry with modi ed  ank

infeed 1°

• Adjust centre height

• Change cutting edge

• Increase radial infeed