The invention discloses an air valve heat-straightening process method which belongs to a manufacturing method of an engine air valve, in particular to a method for straightening the air valve.
本发明公开了一种气门热校直工艺方法属于发动机气门的制作方法，特别是校直气门的方法。
2
Straightening of the shaft after heat treatment is a key process.
在轴杆类零件生产过程中，热处理后校直是一道关键工序。
3
The omission of heatstraightening may save energy and thus reduces production cost.