The main lubrication problems of the grease of the guide pin of the cylinder:
※, react with the rubber dust cover to accelerate the aging of the dust cover;
※, grease loses high temperature when braking;
※, After prolonged use, the grease on the guide pin will be cemented, and the brakes will be locked under more serious conditions;
Solution:
※, Only with a large number of different brands of car dust cover rubber compatibility test, to ensure that the rubber volume expansion rate is within 5% volume change rate,
※, the use of high temperature resistant grease can prevent high temperature loss, and can not produce residual carbon after aging;
※ The choice of base oil and the choice of thickener type is the key to ensure that the grease does not cement. …