【摘要】 研究了工程机械用17Cr Ni Mo6钢花键齿轮轴热处理后显微组织及花键精度等级不合格的原因,对热处理工艺进行了改进。实际生产应用效果表明,改进后的热处理工艺有效改善了花键齿轮轴的金相组织,保证了花键的精度等级。更多还原

【Abstract】 The causes of unqualified microstructure and substandard precision grade of 17 Cr Ni Mo6 steel splined gear shaft for construction machinery during heat treatment were investigated and the traditional heat treatment process was modified. The application effect of actual production indicates that the new heat treatment process improves the microstructure of splined gear shaft effectively and ensures the precision grade of the splines.更多还原