TD UTAH 4X4 CrewCab
- Year/Month: 2018/0
- Stock ID: T120614
- Transmission: Automatic
- CC: 1900
- Mileage: 138369
- Fuel Type: Diesel
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A buyer of used Isuzu 4x4 for sale should know that, drum brakes are composed of a moving part, called drum, which is mounted on the hub of the wheel by means of asparagus and nuts, and a fixed element, called a plate, which has installed the linings and mechanisms of drives so that the shoes can move. When we dismantle a wheel that is equipped with these brakes, the first thing we are going to find is going to be the drum. This piece is the rotating part of the brake and which is going to take almost all the heat generated in braking. It is normally made of cast iron, as it is a low-cost material with a high coefficient of heat absorption.
Internally And Externally
The drum turns internally and externally to achieve dynamic balancing, by means of very fine machining on its internal part so that the ferves fit in an optimal way without seizing. In its central area, the drum has through holes to serve to attach the studs to fix the wheel, in addition to other holes that will serve as a guide to center the wheel hub. The second external element that we will see will be the brake plate, which together with the drum, completes the drum brake assembly. The brake plate, on which a hydraulic actuator cylinder, brake shoes and other fixing and adjustment elements of the brake shoes are mounted. Please note, the discussed info is just a brief and for awareness purposes only; so, before pay the Isuzu 4x4 price, one should check the type of brakes inside the vehicle.
The Hydraulic Cylinder
On the other hand, the shoes are joined at one end to the hydraulic cylinder and on the other to a support that can be fixed or adjustable. At the same time, they join with the brake plate by means of a spring that allows their movement towards the drum, keeping them fixed during their movement. This spring allows the shoes to return to their original state once the bowler has stopped working. In the third place, we have the shoes. Elements that are generally formed by two steel sheets welded and covered on the outside by the brake linings, which are attached to the shoe by rivets embedded or glued with contact glue. These will be responsible for braking by friction with the drum.Â
Lots Of Resistance
The linings, when reaching high temperatures by friction, must be capable of supporting them without deformations or premature wear, so they should be a series of characteristics (they are applicable to disc brakes), such as Hardness lower than the disc or drum to avoid damaging the braking zones, Resist abrasion and be stable with temperature variation, Have a uniform coefficient of friction, Adequate thermal conductivity, Be lubricated so that the adhesion is smooth at any speed, The material must be homogeneous so that no hot zones are formed, They must be non-deformable as well as Have a lot of resistance to compression, shock, and shear.
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