To connect the motor shaft with the driven shaft in the mechanism is never easy. For example, electromotor and water pump also require accommodation on a single rigid frame, which would provide the ability for strict alignment and shaft alignment. However, all this is hard. Much preferable to the “soft” option — via a flexible adapter, for example a rubber coupling. If the connected shafts install flanges for mutual connection, it will be enough three petals from the conveyor belt.
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