All brakes may be defined as mechanical devices that stop or retard the motion of the vehicles by friction. During this process the energy of motion, changed into heat energy, must be absorbed and dissipated by the brake.
The medium and heavy commercial vehicles have bigger mass than cars, which leads to an increase in the kinetic energy. Great forces are required to stop a truck especially from high speed. As the size and weight of road vehicles increase, the force exerted by the driver’s foot becomes insufficient and needs the help of compressed air as a medium for energy supply and as a transmission device.
An air brake is a type of friction brake for vehicles in which compressed air pressing on a piston is used to apply the pressure to the brake pad needed to stop the vehicle.
"Are considered the superior braking system for heavy commercial vehicles, such as trucks, buses and trailers".
Due to their reliability they are considered the superior braking system for heavy commercial vehicles, such as trucks, buses and trailers, specially for those with a maximum gross vehicle weight rating (GVWR) of 26,000 to 33,000 pounds or more, which would over load hydraulic brakes. Air compressed brake have several advantages, one of them being the unlimited supply of air, so the brake system can never run out of its operating fluid and minor leaks do not result in brake failures.
Most types of truck air brakes are drum brakes, which are brakes that use friction caused by a set of shoes or pads that press outward against the inner surface of a rotating cylinder-shaped part called a brake drum.
Drum brake components include, a brake drum, shoes, wheel cylinder, springs, pins and the backing plate (also called the “Torque Plate” because it absorbs the torque from the braking action). In addition, the backing plate provides a base for the other components, increases the rigidity of whole set-up, supports the housing, and protects it from foreign materials like dust and other road debris. Since all braking operations exert pressure on the backing plate, it must be strong and wear-resistant.
Drums should be stored in an area free from excess moisture and properly stacked to ensure
an uniform distribution of weight, avoiding distortion of the sidewalls or damage to the braking surface of the drum.
The proper selection of the brake drum is key to maintaining optimum Brake System performance.
Increasing mandates by the government for improving vehicle safety has strongly contributed to the expansion of the automotive brake system market worldwide.
To help ensure like-new braking performance, the service technician should always use quality replacement parts from a known manufacturer. IMEX USA is a renowned business, whose primary focus is the importing and distribution of high‐quality aftermarket braking system parts from good reputation manufacturers such as Rally Sport®. Our products are marked by standard design, reliability, efficiency, outstanding performance and longer service life.
All of them are fabricated with quality tested raw materials and mechanical processes using the finest machinery and equipment specially designed to eliminate any possibility of error. Good quality of automotive brake parts used during a brake repair or replacement, may permit the vehicle to achieve the same standards as when new.
In IMEX USA we are dedicated to provide our customers with the most reliable and high quality, maximum safety aftermarket brake products that comply with both national and international standards set for safety vehicle parts. Our line includes certified brake pads, brake discs, wheel-cylinders, master cylinders, pressure regulators, pre-mounted brake shoe kits with self-adjustment, brake drums, clutch master and slave cylinders, and more.
Due to the high quality and reliable performance of our products, they are widely used in many kinds of vehicles, from two wheelers and small family cars to heavy-duty trucks and trailers. In addition to our high standards of world-class products, practices and personalized services, a solid growth strategy and a spirit of continuous improvement have allowed IMEX USA to consolidate itself in the market as a solid company, with leadership and always in search of the best service for our esteemed costumers.
Our team of support staff are ready to help with your concerns. Contact us to find the service and product information you are looking for.
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