The results show that the screw breakage is due to quenching crack from improper heat treatment. The effective improvement measures to solve the problem of screw breakage are provided.
结果表明:螺钉发生断裂是由于热处理不当引起的淬火裂纹扩展所致,并提供有效的改进措施,解决了螺钉断裂问题。
Several factors leading to quenching crack of dovetail cutters were analyzed. The heat treatment process was designed to prevent dovetail cutters from cracking.
分析了导致鸽尾铣刀产生淬火裂纹的因素,设计了能有效预防鸽尾铣刀淬裂的热处理工艺。
Low alloy cold die steel belongs to high carbon steel, so the quenching crack is easy to appear when it is hardened.
低合金冷作模具钢多属于高碳钢,淬火中易出现淬火裂纹。