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| Taper bore weld on hubs are made of steel,drilled ,tapped and taper bored to receive standard tapered bushed.The extended flang provides the convenient means od welding hubs into fan rotors ,steel pulleys plate sprockets impellers ,agitators and many other devices,which must be firmly fastened entirely suitable for use where severe operating conditions are met.Tightining the screws contracts the bore of the bush ,therby locking it to the shaft with the eequivalent of a press fit.This type of construction eliminates mounting diffculties ,it also prevents loosening and wearing happened to the hub during operation. |  |
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