127mm square beam brake drum 127mm420 × 180 P.C.D φ 285.7 is a commonly used axle model and track distance. The brake drum functions as follows:
1. It mainly produces braking effect through friction with the brake shoe to stop the car;
2. Mainly used for low-end vehicles and large trucks;
3. Low price, good braking effect, but poor heat dissipation effect;
4. Long time downhill braking will cause braking failure. Generally, water spraying equipment is attached to enhance heat dissipation;
5. The brake drum has clearance that needs to be adjusted regularly, and the two coaxial wheels must be the same, otherwise there will be a risk of brake deflection.
The brake drum is made of brittle gray cast iron. The brake drum is a kind of iron casting similar to a tambourine, which is fixed with the tire and rotates at the same speed. When braking, the oil pressure is used to push the brake shoe to contact the inner edge of the brake drum, and the friction force generated by the contact can restrain the rotation of the tire to achieve the purpose of braking. Drum brake is composed of brake bottom plate, brake wheel cylinder, brake shoe and other relevant connecting rods, springs, pin pins and brake drum.
1. The track can be customized according to customer requirements.
2. The axle can be equipped with ABS brake as required.





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- Our External Brake Drum Axle products are manufactured using only the highest quality materials and state-of-the-art technology.
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- Our 127mm Square Shaft Brake Drum420×180 P.C.Dφ285.7 can stand in today's fierce competition market, and can be sold for a long time, depending on the quality of winning, social support and the trust of consumers.
- Our team of experts is dedicated to developing new and innovative External Brake Drum Axle products to meet the changing needs of our customers.
- We insist that everything starts from customer needs and provides products and services that meet customer needs.
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