Since 1994, Sanmin Gears has also been producing timing belt pulleys. With nearly 30 years of experience, we can not only process complex timing belt pulleys but also have the most complete series and specifications of timing belt pulleys.
A customer once asked us at Sanmin Gears how to produce high-quality timing belt pulleys, and we summarized that it is necessary to follow the following steps:
Design requirements: The design of timing belt pulleys is based on specific product needs. Considering the working environment of timing belt pulleys, the load strength between timing belt pulleys and timing belts, and other factors, designers should select the appropriate model, specifications, and material.
Material selection: The most common material is aluminum alloy, which has low wear resistance and low strength, and is suitable for ordinary requirements. Choosing aluminum alloy is not only a price consideration but also reduces the overall weight of the product. Aluminum timing pulleys can also be divided into ordinary aluminum materials and hard aluminum alloy materials, which requires the designer to make a judgment and selection. In addition, cast iron and alloy steel can also be chosen if there are quality requirements.
Processing and production: timing belt pulley processing includes material cutting, turning, tooth rolling, assembly, cleaning, and packaging. Turning processing ensures the required geometric shape and surface roughness, and tooth rolling processing ensures the jumpiness of the synchronous belt pulley and the outer diameter size. It is particularly important to note that the outer diameter of the timing belt pulley must not exceed the maximum value, otherwise, it will jam with the timing belt and cannot rotate. That is, it should be kept small (controlled within the negative tolerance range).
Factory inspection: The inner hole size of the timing belt pulley, keyway position, and the secure attachment of the two retaining rings must be checked to ensure that they will not come off for a very long time.
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