论文部分内容阅读
活塞销外观质量是一项重要的技术质量指标,当前,这一项要求也成为活塞销生产中的一个关键质量问题。下表为全国活塞销行业组三年行检的数据统计结果。 外观不合格项次,在整个冷加工检查的十个项目所产生的不合格总项次中所占比例如图所示。
The quality of the piston pin appearance is an important indicator of the quality of the technology. At present, this requirement has also become a key quality issue in the production of piston pins. The following table shows the statistical results of the three-year inspection of piston pin industry in China. The appearance of unqualified items, in the entire cold-processing inspection of the ten items produced by the substandard items in the proportion as shown.