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Author Topic: How long to sand when changing grits?  (Read 1413 times)

Mike E

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How long to sand when changing grits?
« on: September 21, 2005, 01:21:47 AM »
Just bought a ball spinner over the summer and was wondering how long should I sand each side of the ball. I've got the 6 side method down and for my first attempt I used a timer and sanded each surface for 45 seconds. Just wondering how long you guys do yours for?
                                  Thanks,
                                  Mike E
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Goof1073

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Re: How long to sand when changing grits?
« Reply #1 on: September 21, 2005, 09:31:14 AM »
It really depends on what you are trying to accomplish.  If it's just a clean-up or surface freshening I utilize 6 "cycles (up and down motion) per each of the 6 sided method.  For a full resurface it depends on how bad the ball is.  

Are you holding the sandpaper / Abrolon pad by hand or did you buy one of the "cups?"
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Mike E

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Re: How long to sand when changing grits?
« Reply #2 on: September 21, 2005, 06:05:21 PM »
I was experimenting with both abralon and trizact. Took a 1500 finish on a sonic boom up to 4000. First did 2000 pad then 4000 abralon. There are only 4 trizact grits so I worked my way all the way up to the white one on a HPD particle. Yes I used a CAB for all sanding.
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azguy

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Re: How long to sand when changing grits?
« Reply #3 on: September 21, 2005, 06:46:24 PM »
A lot depends on how much pressure you apply, but I never go over 30 seconds per "side", unless I have good size cuts I am working out.

Just as a surface adjustment, that sort of thing, I would not suggest over 20-30 seconds, again, a LOT depends on the pressure.
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Mike E

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Re: How long to sand when changing grits?
« Reply #4 on: September 21, 2005, 08:37:06 PM »
Thanks AZ
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