DESIGN GUIDELINES FOR SYNCHRONOUS BELT DRIVES？-Shanghai Sables Transmission System Co., Ltd.

DESIGN GUIDELINES FOR SYNCHRONOUS BELT DRIVES？

I. Design Guidelines for Synchronous Belt Transmission Synchronous belt transmission is.

The teeth of the belt mesh sequentially with the teeth of the pulley to transmit power to achieve the purpose of synchronous transmission. Therefore, when a synchronous belt transmits torque, the belt will be subjected to tensile force, the teeth will be subjected to shear, and the working surfaces of the teeth will be abraded during the process of entering and exiting the mesh with the teeth of the pulley.

Therefore, the main forms of failure of the synchronous belt are as follows: (1) The synchronous belt will be worn out during the process of entering and exiting the meshing process with wheel teeth.

(1) the fatigue fracture of the synchronous belt-carrying rope (also known as the skeleton rope); (2) the fatigue fracture of the belt-carrying rope (also known as the skeleton rope).

(2) Shear rupture of the belt teeth.

(3) The working surface of the belt teeth is worn out and loses its original shape. According to the test analysis, when the synchronous belt is around the pulley, in the encompassing arc, the number of teeth of the belt teeth and pulley teeth meshing teeth.2a thousand 6

The shear strength of the teeth is greater than the tensile strength of the belt. At the same time, the wear resistance of the belt teeth is greatly improved by the installation of a nylon wrapping layer adhering to the working surface of the teeth. Therefore, under normal operating conditions, the main form of failure of synchronous belts is fatigue fracture of the belt under variable tensile force. Synchronous belt drives are designed according to the tensile strength of the belt as a design criterion.

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According to the principle of transmission dynamics, as the wedge angle of the wide-angle belt increases, the area supported by the

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1. The load of the wide-angle belt is evenly distributed and the wear resistance is improved.

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3. It improves the concave deformation of the drive belt core and strengthens the drive characteristics.

4. After the wide-angle belt is installed and used, the problem of belt tension drop is improved.

It is the above-mentioned advantages of the wide-angle belt that are widely used and affirmed by the precision machinery industry.

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The adhesive layer is very important for the adhesive force between the layers of the core of the conveyor belt that is repeatedly flexed. Especially for high-tension conveyor belts, a layer of adhesive with less buckling stress and less fatigue due to internal stress must be used.

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Scope of application:

Apply to each field of the synchronous-driven device system.
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2. The transmission system of the ribbed belt has a compact structure, and under the same transmission power, the space occupied by

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