“冷拉伸滚压”技术是一种新的轴类零件塑性成形的加工方式。
"Tension-Assisted cold rolling" technology is a new plastic forming method of shaft parts.
精密冷滚轧是金属塑性成形与轧制成形相结合的一种无切削加工工艺。
Precision CRF (Cold roll forming) is a kind of non-cutting technology, which integrates the metal plastic forming and rolling forming.
由于加工硬化效应的影响，随着冷拔变形量的增加，合金丝材的室温强度增加，扭转塑性下降。
Due to the effect of strain hardening, higher amount of cold deformation resulted in superior room temperature strength and inferior torsion ductility.
经渗碳及淬火后，具有表面硬度高、心部韧性好的特点、冷变形塑性中等，切削加工性好。
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
经渗碳及淬火后，具有表面硬度高、心部韧性好的特点、冷变形塑性中等，切削加工性好。
Carburizing and quenching, with high surface hardness, good toughness characteristics, the heart of cold plastic deformation of medium, cutting is good.
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