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Author Topic: sanding a ball using a spinner...6 sides?  (Read 3906 times)

bowlallthetime

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sanding a ball using a spinner...6 sides?
« on: April 09, 2009, 03:49:04 PM »
I recently received a ball spinner as a gift, and I had a question regarding sanding the ball.  I bought some Abralon pads (500,1000,2000,4000).   It says for best results to sand the 6 sides of the ball and provides a diagram.  

I guess my question is, since more than 1/2 of the ball sits above the cup of the spinner, why cant you just flip the ball over 1 time and cover the entire ball?

Any input is appreciated.

 

Mark T. Trgovac

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Re: sanding a ball using a spinner...6 sides?
« Reply #1 on: April 10, 2009, 12:52:47 AM »
You dont want to just flip it because the direction that the grit lines go around the ball and the way your track runs over them can affect how a ball hooks. This is why if you use a spinner you do more then one side.
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tc300

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Re: sanding a ball using a spinner...6 sides?
« Reply #2 on: April 10, 2009, 01:41:00 AM »
try this also.... if the grit lines go with your track lines, the ball will hook more.  if you go against the track lines it will hook less.

AngloBowler

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Re: sanding a ball using a spinner...6 sides?
« Reply #3 on: April 10, 2009, 02:06:59 AM »
Sanding the "6 sides" keeps the ball round, if you were to just do two sides, you'd oval the ball pretty quickly, and I think the tolerance for a ball being out of round is about 0.01" in the USBC rulebook.
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leftyinsnellville

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Re: sanding a ball using a spinner...6 sides?
« Reply #4 on: April 10, 2009, 04:32:49 AM »
If you're doing a resurface, then following the "six-sides" rule is a good idea.  Leads to uniformity of wear.

However, if you're just adjusting the surface for a different reaction many people only do what you suggested...go over one side, flip it and go over the other side.  

Abralon pads are expensive and do not last all that long.  It won't hurt your balls to just sand the two sides.  If you're worried about your ball going "out of round" then don't sand the same two sides the next time you refresh or change the surface.

J_Mac

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Re: sanding a ball using a spinner...6 sides?
« Reply #5 on: April 10, 2009, 05:07:38 AM »
For a heavy duty resurfacing I will use the 6 side method, but for minor adjustments I'll often just do 4 sides with a twist.  

Instead of sanding at 90 degrees to the first cut, I'll hit it the second time around at roughly a 60 degree angle.

captzap

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Re: sanding a ball using a spinner...6 sides?
« Reply #6 on: April 10, 2009, 11:51:55 AM »
4 sides always starting with roughest grit and working up to the finest grit. 500, 1000, 2000 abralon. Always the same amount of time on each side (30 seconds) using the low speed setting. This is done with plenty of water being sprayed on the ball.

CaptZap

pin-chaser

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Re: sanding a ball using a spinner...6 sides?
« Reply #7 on: April 10, 2009, 11:57:12 AM »
im anal... I do six and when I do a full resuface I start the 220 paper (wet) and work my way up including grey, green and tan pads. It take me about 20 minutes to get to 4000 but it is worth it.
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azguy

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Re: sanding a ball using a spinner...6 sides?
« Reply #8 on: April 10, 2009, 11:58:42 AM »
Any job worth doing is worth doing well, I always say.
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