How to tighten a small nut has always been a long-standing topic in mechanical design. Today, we share the six basic methods of fixing nuts in the work of robots.
Method 1: Flatten the washer
The washer refers to the part between the connected piece and the nut. Generally, it is a flat metal ring for protecting the surface of the connected member from the nut and the pressure of the dispersing nut against the connected member.
Method 2: Flatten the washer and spring washer
Spring washers are widely used in the bearing and non-bearing structures of general mechanical products. They are characterized by low cost and easy installation, and are suitable for parts with frequent assembly and disassembly. However, the spring washer has a low anti-loose ability!
Method three: self-locking nut
In general, the nut is loosened by vibration or the like during use, such as vibration. In order to prevent this phenomenon, a self-locking nut is invented. Self-locking nut Its function is mainly anti-loose and anti-vibration. For special occasions. Its working principle is generally self-locking by friction. Self-locking nuts are classified according to their functions. They are fitted with a nylon ring, a neck with a neck, and a metal anti-loose device. They are all effective torque type locknuts.
Method 4: Nut anti-loose solution
Apply the nut anti-loose solution to the bolt tightening, and then tighten the nut to achieve the anti-loose effect.
Method 5: Double nut (left and right rotation)
It is also a good method to tighten and lock against a left-handed nut and a right-handed nut.
Method six: screw nut drilling and pinning fixed
In machinery, the pin is mainly used for assembly positioning and can also be used as an overload shear connection in a connection and relaxation level safety device. The types of pins are: cylindrical pins, tapered pins, perforated pins, split pins and safety pins.
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