Several kinds of nut loosening
Release time:
2023-04-20 11:20
Source:
For the fastening way of fasteners, the nut loosening problem has been a topic of concern. After summarizing, China Standard Parts Network lists some ways to prevent the nut from tightening and loosening to see if you have seen it.
A: add flat washer to prevent loose
Washer refers to the part between the connecting piece and the nut. It is usually a flat metal ring used to protect the surface of the connected piece from nut abrasion and to disperse the pressure of the nut on the connected piece.
Two kinds: flat washer and spring washer anti-loose
Spring washers are widely used in load-bearing and non-load-bearing structures of general mechanical products. They are characterized by low cost, convenient installation and suitable for frequent installation and disassembly. But the spring washer's anti-loosening ability is very low!
Three kinds: self-locking nut anti-loose
General nuts in the use process due to vibration and other reasons will loose, such as vibration, in order to prevent this phenomenon, so the invention of self-locking nuts. Self - locking nut its function is mainly anti - loose, anti - vibration.
For special occasions. Its working principle is generally self-locking by friction. The types of self-locking nuts classified by function include those with nylon rings, neck closures and metal locking devices. They are effective torque type lock nuts.
Self-locking nuts are difficult to screw due to their nature.
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Fastener bolted connection, how to make the washer play a better value
Bolt as a common connection parts, commonly used in mechanical equipment, cars, trains and building structures, according to different requirements to choose the appropriate type of bolt.
What are the materials of U-bolt
The general production of U-bolt materials are :Q235 steel, 45# steel, 40 boron steel, 20 manganese titanium boron steel. More than 90% of them are Q235 steel as raw material production.
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