为防止螺纹紧固中的螺母松动,常采用锁紧垫圈、开口销、粘接等方法,但使费用增加,且防松效果有时欠佳。现介绍几种螺纹锁紧防松新法。变牙形的螺纹锁紧系采用带锁紧螺纹的螺母与标准螺栓配用,,来 In order to prevent loosening of nuts in the thread fastening, lock washers, snap pins, adhesive and the like are often used, but the cost increases and the anti-loosening effect is sometimes poor. Now introduce several kinds of thread locking anti-loose new law. Variable tooth-shaped thread locking system with a locking thread nut and standard bolt with ,,