MITSUBISHI MATERIALS CORPORATION
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CHIP CONTROL FOR TURNING

CHIP BREAKING CONDITIONS IN STEEL TURNING

Type A Type B Type C Type D Type E Type
Small Depth of Cut
d>7mm
Large Depth of Cut
d=7—15mm
Curl Length
l
Curless l50mm l50mm
1—5 Curl
1 Curl Less Than 1
Curl Half a Curl
Note
  • Irregular continuous shape
  • Tanble about tool and workpiece
  • Regular continuous shape
  • Long chips
Good Good
  • Chip scattering
  • Chattering
  • Poor finished surface

Cutting speed and chip control range of chip breaker
In general, when cutting speed increases, the chip control range tends to become narrower.
EFFECTS OF CHIP CONTROL ON PRODUCTIVITY
Effects of coolant on the chip control range of a chip breaker
If the cutting speed is the same, the range of chip control differs according to whether coolant is used or not.
EFFECTS OF CHIP CONTROL ON PRODUCTIVITY