2013年11月13日星期三

Cemented Carbide Tool Machining Deflection Solutions

http://www.chinatungsten.com/cutting-tools/application/deformed-countermeasures.html
Results: P10 blade, but due to the cutting heat deformation, and finally had to re-processing. Later installed X407 blade PD1006R, reduce heat, there is no need to re-processing.

Summary: heat generated in the cutting, 60% -70% flows to the swarf, 20% -30% flows to the cutting edge, the rest flows to the workpiece material (the less heat, sometimes flows to air). If the heat flow to the cutting edge, i.e. the cutting edge wear, the cutting resistance increases, so, heat is regenerated when the rise in the temperature of the whole of the cutting edge, the friction between the workpiece material and the cutting edge becomes large, the workpiece material would be the effect of heat stress. Sheet is because of such heat and deformed. To use a material that can withstand the temperature rise, such as containing a large amount of titanium carbide blade, but also consider how to make the chip discharge performance is better.

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