内燃机用油环钢丝的研制

Development of Oil Ring Steel Wire for Internal-combustion Engine

介绍内燃机用油环钢丝的形状特点及变形要求，用４辊辊拉模生产油环钢丝的主要工艺参数的确定原则及方法，孔型设计的要点、步骤及热处理工艺．

Introduce the shape characteristics and deformation requirements of oil ring steel wire for internal-combustion engine,and the principles and methods of determining the main technology parameter in producing oil ring steel wire by use of roller dies with four rollers,and the main points,steps and heat-treatment technology of pass design.