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Types of belt drives.

in everyday use are used in practice two types of belt drives.

first type of belt transmissions are gears pulley flat belt pulley and a second gear-using timing belts.

use and the use of a specific type of waist belt transmission is dependent on many factors.

With the development of plastics technology, becoming more widely used in construction machinery, rubber and composites are to be used for the construction of transmission, where power transmission is used the timing belts. Transmissions using these types of bands are able to move large forces, are very efficient and have high reliability.

Their additional advantage is that it also protects all the gears from overloading the system fulfilling the function of the slip clutch. The toothed gears, belts, belt of trapezoidal cross-section filled the pulley, and specifically - wedge space, thus creating an area of \u200b\u200bcontact between the belt at the wheel.

The various types of construction machinery, very often used multilane gears, in which on one wheel with a number of wedge grooves running several lanes. Gear Wedge used to transfer the drive for short distance (up to 10 m ). The advantage of such transmission is a compact design and quiet operation.

flat gears, belts are used for power transmission over longer distances - conveyor belts, up to several tens of meters.

very often are used in agricultural techniques. Most of the agricultural machinery, for the transport of various materials with long-distance belt conveyor is used.

Formerly widely used in pędniach - drives integrated industrial equipment. Gear pulley flat belt are shaped barrel, which prevents slipping of the belt from the wheel. Belt drives with flat belts, once in common use today are used sporadically.

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What is a transmission belt

transmission belt is a mechanical transmission, in which the leg elastic waist one regardless of whether it is covering the two pulleys - active and passive.

other words, the belt is pulleys connected elastic waistband. One pulley is called a passive wheel and the second pulley is active.

The gear drive transmission belt from the wheel on the belt and belt wheel is achieved by the frictional connection between these elements through a flexible belt which is unfortunately also the weakest part of the whole structure a belt drive.

belt drive strength calculations rely mainly on checking the strength of the belt to stretch. In fact, the theoretical ratio calculated in the design of gear is reduced by a slip lane is pursued by the load, tension and wear the item.

belts belt drives usually performed with skin (flat), fabric, rubber or rubber reinforced with fabric or steel cord.

pulleys are used in industry and agriculture, one of the many devices using this type of technology is geared motor. During the operation

belt transmission belts are twofold wear.

main factor influencing the wear of the belt is deformation (geared). Belt during its operation is stretched, deformed or simply to grow. That the machine was working properly, belt - pulley needs to be constantly stretched.

Second, the effect of aging is the loss of his belt tensile strength due, fraying, small cracks, stopping zbrojących elements, etc. from both reasons, the belts must be periodically replaced. Frequency specifies the exchange of documentation for each device that is equipped with pulleys and gears.