Check washers

A check washer, also known as a check gasket or check back pad, is a mechanically fixed lock washer. It uses the cooperation between the stop lug and the opening of the round nut and the keyway of the shaft to prevent the loose of the round nut and effectively prevent the axial movement.

Check washers are usually made of high coefficient of friction materials, such as stainless steel, alloy steel, etc., to increase friction and locking effect. It is suitable for situations in various mechanical equipment that need to prevent the loosening of round nuts, such as motors, reducers, pumps, etc.

When installing a check washer, you need to make sure that it fits the correct size with the round nut and shaft and is able to withstand a certain axial force. At the same time, in order to ensure that the check washer can play a good locking effect, it is necessary to tighten the nut according to the specified torque, regularly inspect and maintain the equipment, and replace the damaged check washer in time to ensure the normal operation of the equipment.