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Author Topic: Resurfacing question  (Read 1463 times)

strikestriketapped

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Resurfacing question
« on: September 13, 2009, 09:11:05 AM »
I am resurfacing my Hy-Road. Started with 180 abralon. Then went to 360 and then to 500. However, it seems like the sanding lines didn't ago away after the 180. Does that mean I need to spend more time with the 360? I have every grit of abralon.
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JohnP

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Re: Resurfacing question
« Reply #1 on: September 13, 2009, 05:41:16 PM »
180 Abralon is pretty coarse.  Go back to the 360 and sand longer and in several different directions before moving on to the 500.  --  JohnP
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charlest

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Re: Resurfacing question
« Reply #2 on: September 13, 2009, 07:15:32 PM »
180 is intensely aggressive abrasive. Unless you had super-deep grooves or scratches in the ball, there is rarely any need for such a rough abrasive on a bowling ball.

There is a HUGE gap between 180 and 360 grit. Small wonder you still have sanding lines.

Buy some P220 or P240 grit wet/dry sandpaper (backed by a damp household sponge abour 2 1/2" x 4 1/4", more or less) and use that on/over the 180 grit sanding before using a fresh 360 grit Abralon pad.


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JohnP

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Re: Resurfacing question
« Reply #3 on: September 13, 2009, 09:42:24 PM »
charlest -- Isn't the 360 Abralon ~equivalent to P180?  So if you used P220 or P240 first you'd be going back down in grit?  Maybe P120 or P150 instead?  --  JohnP
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Jay

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Re: Resurfacing question
« Reply #4 on: September 13, 2009, 10:52:35 PM »
John, 360 Abralon = P360.  So starting at say P240 would just be a smaller step than starting as low as 180 Abralon, which is P180.  At least that's how I understand it.
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tekneek

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Re: Resurfacing question
« Reply #5 on: September 14, 2009, 07:18:19 AM »
180 is very coarse if you do not have deep marks in the ball there is no real reason to begin with anything under 320 sand paper, surface scratches 90% of the time can be removed with 400 grit sand paper. Using heavy pressure will leave sanding lines, the more water used will help keep the paper or abralon from clogging up and leaving lines, it also makes both last longer.
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Steve
Leading Edge Pro Shop
Radical Bowling Technologies Advisory Staff
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charlest

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Re: Resurfacing question
« Reply #6 on: September 14, 2009, 07:52:41 AM »
quote:
charlest -- Isn't the 360 Abralon ~equivalent to P180?  So if you used P220 or P240 first you'd be going back down in grit?  Maybe P120 or P150 instead?  --  JohnP


Strike Domination is correct. The ratio of FEPA (P####) to US/CAMI grade is not a simple 2:1 at all grits.

Below P400 grit, the ratio is closer to 1:1.
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azguy

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Re: Resurfacing question
« Reply #7 on: September 14, 2009, 08:10:21 AM »
Just throwing this out there.

There's been confusion for as long as I can remember about grit numbers/levels on here. Not to stop lines or do a better job but when buying paper/Abralon or any form you may use, always...always buy the same grading type. P's or USA pr FEPS or what ever it is you wish to use. That way you'll always know what your next step is.

Get a chart, there's several floating in here and other places but use the same 'grade' of material that you wish to use. Remember, speed and pressure kills. To much of either will leave lines, I don't care what you are using.  IMO there's no such thing as 'to much water'. Well, to a point maybe, no floods in the shop but you get my point, I hope.
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JohnP

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Re: Resurfacing question
« Reply #8 on: September 14, 2009, 10:06:26 AM »
charlest  --  OK, thanks.  I get my grit ratings mixed up sometimes.  --  JohnP
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