回火温度对滚子链等温链板性能的影响

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摘要分析了材质为50CrVA 的链板在相同等温淬火工艺以及相同的回火保温时间下，不同的回火温度导致的材料微观组织和力学性能的差异，并对不同回火温度下的链板和未做回火处理的链板的拉力和疲劳性能进行了研究。

关键词滚子链链板等温淬火回火温度抗拉强度疲劳寿命

Influence of Tempering Temperature on Performance of Roller Chain Isothermal Chain PlateJiang Chen Zhang Mengjiu Shang Zhaohua Pang Ningning

（Qingdao Choho Industral Co.，Ltd.，Qingdao 266705，China）

Abstract The differences of microstructure and mechanical properties of 50CrVA chain plate caused by different tempering temperatures under the same isothermal quenching process and the same tempering holding time are analyzed，and the tensile and fatigue properties of chain plate under different tempering temperatures and chain plate without tempering are studied.

Key words Roller chain Chain plate Isothermal quenching Tempering temperature Tensilestrength Fatigue life

0引言

随着链传动技术的不断创新发展，在许多重要的领域，其逐渐取代了齿轮和带传动[1]。（剩余8270字）