Qingdao Terada Hardware Co.,Ltd
The working principle of the nut is self-locking by the friction between the nut and the bolt. However, the reliability of this self-locking in dynamic loads is reduced. In some important cases, we will take some anti-loose measures to ensure the reliability of the nut locking. The use of a lock...
The working principle of the Ball Nut For Swage Stud is self-locking by the friction between the Ball Nut For Swage Stud and the bolt. However, the reliability of this self-locking in dynamic loads is reduced. In some important cases, we will take some anti-loose measures to ensure the reliability of the nut locking. The use of a lock nut is one of the anti-loose measures.
There are also three types of lock nuts:
The first is to use two identical nuts to screw on the same bolt, and a tightening torque is added between the two nuts to make the bolt connection reliable.
The second is a special Ball Nut For Swage Stud that needs to be used with a lockable gasket. The special locknut is not a hex nut, but a round nut with 3, 4, 6 or 8 notches on the circumference of the nut (depending on the size of the nut and the manufacturer's product range), this Several notches are the focus of the tightening tool and the snap-in of the lock tab.
The third type is to drill a threaded hole (generally 2, distributed at 90 on the outer circumference) on the outer surface of the nut to the inner circular thread surface, which is used to screw a small diameter countersunk head screw for the purpose of threading Apply a force in the centripetal direction to prevent the lock nut from loosening. A better quality lock nut sold on the market is provided with a small piece of copper on the inner surface of the nut that is aligned with the thread of the Ball Nut For Swage Stud to prevent the radial cap screw from directly contacting the locked thread and damaging the latter. . This kind of lock nut is gradually applied in the case of the shaft end locking of the rotary motion type parts, such as the anti-looseness of the ball screw mounting end bearing.
The second type of anti-loosening method is more reliable than the first one, but the structure is relatively complicated. Compared with the first two, the third clock has the characteristics of better anti-loose effect, simpler and more beautiful structure and smaller axial dimension.
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