产品为高端工程机械用的耐压泵。这种泵属于耐高压的齿轮泵,用于工程机械的二次供油和风冷需要。泵体关键部位的形位公差技术要求高、加工难度大。经过技术攻关,问题得以解决。生产实践表明,该泵泵体关键部位的加工方法、工艺路线和检验规范是可行的,泵体关键部位形位公差技术特征能够顺利实现。 Products for high-end construction machinery pressure pump. This pump is a high pressure gear pump for construction machinery secondary oil and air cooling needs. The key part of the pump body shape tolerance requirements, processing difficult. After technical research, the problem can be solved. Production practice shows that the key parts of the pump body processing methods, process routes and inspection specifications is feasible, the key parts of the body shape tolerance technical features can be successfully achieved.