How to Machine Tungsten Alloy

Cobalt, nickel binder for powder metallurgy sintered density tungsten alloy, known as high-density alloy, also called heavy alloy. Such alloys can be formed by forging or heat treatment to improve their density and strength. Usually tungsten alloy tensile strength σb> 981MPa, hardness> HRC40.

Thermal conductivity than pure tungsten tungsten alloy small, grainy chip, tool - chip contact length is short, high cutting temperature, prone to tumors and adhesive wear knife. Tungsten alloys require cutting tool material thermal conductivity, high flexural strength and toughness, good red hardness. Recommended use ultra-fine grain tungsten carbide-based fine grain, such as YDl5, YM051 and so on.
       
Tungsten alloy cutting tool requires sharp, but also to ensure the edge strength. Tool geometry parameters can be selected: γO = -8o, αO = 8o, Κr = 75o, rε = 0.5mm. Cutting can be used: νC = 38m / min, f = 0.24mm / r, ap = 1mm. Cutting without cutting fluid.




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