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Brake shoes buy in Almaty
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Brake shoes

Brake shoes

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Kazakhstan, Almaty
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nbsp;The stop of the car is carried out by means of brake system. The principle of operation of the brake mechanism is based on use of frictional forces between the mobile (rotating) and motionless details. Efficiency of braking depends on the size of the arising friction force between a disk (drum) and a brake shoe. Brake shoes - a basic element of brake knot. The form and a design of blocks are defined by type of the brake mechanism for which they are intended. In disk brakes of a block have the flat trapezoid form. The arc-shaped form - is characteristic of drum mechanisms.
 Working surface is the frictional slip pasted on a metal basis. Material of slips defines such main characteristics - friction coefficient, working temperature of operation and wear resistance. The compounding of composition of material of overlays of brake shoes includes several hundreds of components. As the reinforcing material, blocks can be broken into two look: organic and metal. 
The main materials at production of organic slips are fibers of glass (fiber glass), graphite, asbestos, kevlar, carbon fabrics, etc. Advantages is: low cost, the minimum wear of a brake disk, the lowered noisiness. Negative properties it is possible to call: a low threshold of working temperature, fast wear, tendency to agglomeration, harm for environment (asbestos use). 
Metal receive by agglomeration at high temperature of a ceramic basis and powders of metals (copper, etc.) and their oxides. Positive sides: high coefficient of friction, high working temperature, stability of frictional properties. Susceptibility of corrosion, an overheat, a rigid initial phase of braking - shortcomings of this material of slips.
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