snap spring

The snap spring of Rate Governor occured brittle fracture or insufficient elasticity, dimension change, uncleanliness of surface during the trial manufacture.

RQV调速器的重要零件止动弹簧在试制期间 ,常常出现脆性断裂或弹性不足 ,尺寸变化 ,表面不清洁等质量问题 ,经过多次热处理工艺试验和工艺改进 ,对设备和工艺参数调整和优化后 ,很好地解决了这些质量问