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Before, a customer called the pulley and asked, "why is the surface of your pulley black?" The technician gave the answer. In short, this customer has been using the national standard pulley before, a Pulley is a common transmission component in industrial machinery and equipment. In the process of belt pulley operation, it is often accompanied by vibration and even sound, which affects the service 1. Gasoline must be used for the last cleaning before assembly to ensure that all parts of the pulley are clean and dry, to ensure that the mating surface fits closely without oil stain and has suffic The advantages of pulley drive are: |