2013年9月30日星期一

Cemented Carbide Milling Processing Abnormal &Solutions


The cemented carbide milling is a rotary tool for milling, having one or more cutter teeth. Various cemented carbide milling cutter turn work intermittently cut the workpiece margin. Cemented carbide milling is mainly used in the milling machine the machining plane stairs, trench, forming surface and cut the workpiece.

Cemented carbide milling cutter abnormal causes and countermeasures

Situation
Reasons
Solution
Chipping
Large feed
Reduce feed
Conventional milling (up cutting)
Climb milling (down cutting)
Cemented Carbide Milling cutting edge is too sharp
The grinding cutting edge - necessary chamfer or fillet
Vibration
Downward adjustment of spindle speed
Cemented Carbide Milling cutter prominent too long
Projecting amount of the tool is adjusted to the minimum
Milling cutter is not firmly clamped
Adjust the fixture accuracy
Wear
Cemented Carbide Milling cutting speed is too high
Reduce the cutting speed
Feed amount is too small
Increase feed amount
Conventional milling (up cutting)
Climb milling (down cutting)
Material hardness is too high
Select special coating milling cutter

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