Crocus cloth vs emery cloth

Slowpoke

Well-known Member
What's the difference and where would each be used? Does either one use water or oil? More importantly, where would each NOT be used?
 
(quoted from post at 10:53:42 07/12/11) Crocus cloth is FINE emery cloth.
ob, Can you relate the degree of very fine to a grade of sandpaper, say 450? I had to smooth up a shaft seal bearing surface a few days ago so I used what I had, some 450 sand paper.
 
(quoted from post at 17:08:00 07/12/11)
(quoted from post at 16:25:20 07/12/11)
(quoted from post at 10:53:42 07/12/11) Crocus cloth is FINE emery cloth.
ob, Can you relate the degree of very fine to a grade of sandpaper, say 450? I had to smooth up a shaft seal bearing surface a few days ago so I used what I had, some 450 sand paper.
rocus cloth is a 1500 grit.
hank you
 
I was warned not to use emery cloth on commutators.Reason emery would get caught in the slots.I have used emery powder for polishing brass castings.
 
One of the reasons for not using emery paper on commentators is that sandpaper is made of particles that are roughly rounded shapes that do not tend to embed while emery paper is made of sharper particles that can embed themselves into the copper of the commutating surfaces.
 
Emery cloth makes a wonderful ripping sound when torn.

A buddy of mine, "Mac" and I were once waiting in a checkout line in a department store. Mac had picked up several sheets of emery cloth. A twenty-something gal in front of us wearing very tight jeans dropped something, and when she stooped to pick it up Mac tore one of the sheets of emery cloth from end to end.

The gal jerked upright, grabbin her butt in the process. When she figured out what had happened, she like to have killed Mac.
 

The emery in the emery cloth is a conductor. The sand in sand paper is a non-conductor.

That's why emery cloth should NOT be used for dressing electrical contacts.

I was in an Artillery out fit. We used crocus cloth for cleaning the breach blocks on the cannons.

Dusty
 
I was thinking crocus cloth was used to polish a surface ( no stock removal). Sanding no matter how fine does remove some stock.
 

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