The pulley hub is a point of connection between the shaft and the end disk or pulley wall. Types of pulley hubs used in bulk material handling are provided below.
| Type | Description | |
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Keyless locking assemblies
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Tapered locking assemblies make use of cap screws tightening into a 2 tapered lock rings these connect the shaft to the hub of the pulley.
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Flanged Systems
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Tapered flanges which insert into the pulley end disk , the flanges are then bolted ( tapped end disk ) into the pulley end disk.
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Flanged system with a shallow taper angle.
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Used as friction connections.
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Flangeless Bushing
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These bushing are installed with cap screws, using shallow taper angles. The cap screws engage into treaded holes on the hub.
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