The microstructure and property of the free cutting unquenched plastic die steels have been studied.
研究了易切削系非调质塑料模具钢的组织与性能。
The quenching strap is a bit higher than unquenched area, it is stressed by its neighborhood. This is beneficial to the wear resistance of quenched strap.
淬硬层略有浮凸，并受到来自未淬火的基体的挤压力，这对于提高硬化带的接触疲劳强度是有利的。
The grinding force ratio in grind-hardening consists with the grinding force ratio in grinding quenched steel, and is bigger than the grinding force ratio in grinding unquenched steel.
试验研究发现，磨削淬硬的磨削力比值范围与磨削淬火钢的磨削力比值范围相一致，大于磨削普通钢的磨削力比值范围。
The grinding force ratio in grind-hardening consists with the grinding force ratio in grinding quenched steel, and is bigger than the grinding force ratio in grinding unquenched steel.
试验研究发现，磨削淬硬的磨削力比值范围与磨削淬火钢的磨削力比值范围相一致，大于磨削普通钢的磨削力比值范围。
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