论文部分内容阅读
在系统地对同规格的55CrSiA与JIS G3566-77油淬火钢丝的成分、组织、残留元素及力学性能进行了复查,并按相同工艺制成FM147发动机气阀弹簧做了比较试验后发现:该种弹簧钢丝与日本弹簧钢丝在质量上略有差距。
The composition, organization, residual elements and mechanical properties of the 55CrSiA and JIS G3566-77 oil-quenched steel wires of the same specification were systematically reviewed and compared with the same process to make the valve spring of FM147 engine engine. Spring wire and Japanese spring wire in the quality of a slight gap.