Unscrew body halves using open end or adjustable wrench on flats provided. 采用预备好的平头上开口或可调节扳手拧下一半阀体上的螺丝。
The technological process of new die forging for locking jaw of adjustable wrench was introduced, technology and die construction design of compression forming preforming and flashless precision die forging was explained, and technical economic benefit of new and old technology was compared. 介绍了活扳手扳口新的模锻工艺流程,阐述了镦粗&成形制坯工艺,闭式精密模锻工艺及模具结构设计,比较了新旧工艺的技术经济效益。