Brake pads convert the kinetic energy of the car to thermal energy by friction. Two brake pads are contained in the brake caliper with their friction surfaces facing the rotor. When the brakes are hydraulically applied, the caliper clamps or squeezes the two pads together into the spinning rotor to slow/stop the vehicle. When a brake pad is heated by contact with a rotor, it transfers small amounts of friction material to the disc, turning it dull gray. The brake pad and disc (both now with friction material), then "stick" to each other, providing the friction that stops the vehicle.
In disc brake applications, there are usually two brake pads per disc rotor, held in place and actuated by a caliper affixed to a wheel hub or suspension upright. Although almost all road-going vehicles have only two brake pads per caliper, racing calipers utilize up to six pads, with varying frictional properties in a staggered pattern for optimum performance. Depending on the properties of the material, disc wear rates may vary. The brake pads must usually be replaced regularly (depending on pad material), and most are equipped with a method of alerting the driver when this needs to take place. Some are manufactured with a small central groove whose eventual disappearance through wear indicates that the pad is nearing the end of its service life. Others are made with a thin strip of soft metal in a similar position that when exposed through wear causes the brakes to squeal audibly. Still others have a soft metal tab embedded in the pad material that closes an electric circuit and lights a dashboard warning light when the brake pad gets thin.
https://en.wikipedia.org/wiki/Brake_pad
We supply kinds of leaf springs used in truck, trailer, bus, farm trailer and boat trailer.
OEM and customized are available.
including Double-Eye Leaf Spring, Slipper Leaf Spring popular in American market. These light duty leaf springs, with USA standard, can be used in Boat Trailer, Cargo Trailer, Farming Trailer and so on.
For American Series Leaf Spring, they may have many Part Numbers, such as SW4B,it also called 72-42/LIB-401-DE/UNA212/PR4B/124903/9150014/93184, but they are same thing, just because different company uses different part number.
Welcome inquiring with part number or drawings,we will be pleased to supply good quality and high performance product to you.
1.Product Name
Leaf Spring
2.Type
Conventional LF, Parabolic LF, Z type LF
3. Thickness
from 6mm to 56mm
4. Components
Leaf,clip,center bolt, nylon bushings
5. Size
By OEM No. or Customized
6. Color
Black,red,gray,blue,Galvanized etc.
7. Material
60Si2Mn
8. Certificate
ISO9001:2000 /TS16949
9. Truck,trailer,bus suitable
Boat Trailer, Cargo Trailer, Farming Trailer, all light duty trailers
Packing by pallets and suitable for seaworthy
1. We supply many kinds of leaf spring with different capacity.
2. Conventional Leaf Spring,Parabolic Leaf Spring,Boat Trailer Galvanized Leaf Spring,
Small Trailer Leaf Spring,Z-type Leaf Spring And Multi-Leaf Spring are available.
3. Besides general size Leaf Spring, we can make by customers' request or drawings.
Leaf Spring
Slipper Leaf Spring, Leaf Springs for Trailer, Galvanized Leaf Springs, Double Eye Leaf Spring
Weifang Airui Brake Systems Co., Ltd , http://www.airuibrakes.com