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Recently I’ve spent considerable time in an assembly plant with numerous conveyance systems driven by various sizes of chain. The chain sprockets and drive/driven hubs have a proportional sized ring on them. Whereas height is proportional to sprocket pitch diameter and width is proportional to chain size. To the layman this arrangement appears to be designed to keep the chain on the sprocket not allowing it to ride off to the side, jamming up the works.
If this is a true statement. Would/could a design such as this help keep chains in place as they loosen?
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23-10-2014 10:02
JamesCH95
Re: pic: Question to the conveyor experts out there
I don't see how those could keep a chain from coming off if it loosened... the chain will move away from those shoulders, not towards them, so the shoulders can't do anything to stop the chain.
I would venture a guess that you're seeing either sprocket clutches designed to prevent overloading, or quick-change sprocket hubs designed to allow easy servicing and replacement of sprockets.
Edit: http://www.mcmaster.com/#drive-clutches/=u9ywqt
http://images1.mcmaster.com/Contents...ng?ver=4353711
23-10-2014 12:41
FrankJ
Re: pic: Question to the conveyor experts out there
Chains running off indicate an alignment or frame stiffness issue. In an industrial environment you are generally better off fixing the underlying issues than treating the symptoms. So mostly what James said.
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