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156 Module 13 • Chain drives Construction of a roller chain link plates
clearance for lubrication
pin bush inner (roller) link plate
roller outer (pin) link plate Figure 13.17 Construction of a roller chain link 13.10 Types of sprockets
Solid sprockets Solid sprockets are one-piece steel units with a hub on one side. Tey can be used with single and multi-strand chains. Tis type of sprocket is preferred in industry because of its strong and tough nature and ability to handle loads of changing sizes.
A B C D
Sprocket with spokes for a single strand chain
Steel sprocket with a hub on one side only
Figure 13.18 Different types of sprockets
Sprocket for multiple-strand chain
Solid steel sprocket with a minimum plain bore, to allow for reboring, to cut a keyway or drill and tap for set screws