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shaft key

shaft key

RE: shaft key

Yes. I agree.

What is the question?

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

RE: shaft key

(OP)
Is there any affect of shaft key looseness? any limit or standard? how to solve it?

RE: shaft key

In general, if the key is loose, and you are not restricted from doing so, install it with a dab of Loctite PST, which should prevent it from wobbling around too much without making it impossible to remove.

Mike Halloran
Pembroke Pines, FL, USA

RE: shaft key

Why is it loose?
Does it have excessive side clearance?
Is the key or keyway worn?

It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. (Sherlock Holmes - A Scandal in Bohemia.)

RE: shaft key

In larger machines the key is often a pair of tapered keys so that they can be tight.
Loose keys are not good, and they will only get worse.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, Plymouth Tube

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