本发明基于现有工艺的基础上在冲孔前增加淬火热处理工艺已达到生产高强度纵梁的目的。
Based on the existing technology, a quenching heat treatment technology is added before punching so as to achieve the aim of producing a high-strength longitudinal beam.
本发明基于现有工艺的基础上在冲孔前增加淬火热处理工艺已达到生产高强度纵梁的目的。
Based on the existing technology, a quenching heat treatment technology is added before punching so as to achieve the aim of producing a high-strength longitudinal beam.
应用推荐