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Old 03-05-2013, 12:47 PM
CharlieWaffles's Avatar
CharlieWaffles CharlieWaffles is offline
Join Date: Nov 2010
Location: West Linn, Oregon
Posts: 1,359
Default "Fixing" Scotchbrite Wheel

My 6" scotchbrite wheel has worked like a champ for my build but in that time I have developed two grooves in the disk from repeated deburring in the same place (ooops). Is there an effective way to "fix" the wheel to grind down the other area to get a smooth surface? It chews through things too quickly to adequately grind it down. Thoughts other than just live with it or buy a new one? The grooves are no more than 1/16" deep.
CharlieWaffles - But you can call me "Mark"
Flying - AKA Still Tinkering
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Old 03-05-2013, 12:59 PM
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Captain_John Captain_John is offline
Join Date: Jan 2005
Location: KPYM
Posts: 2,720

Debur some thick stock "on the flat" and vary your technique.

Buying a second one won't hurt anything except for your wallet.

Press on!

. CJ
RV-7 Flying - 1,400 Hours
TMX-IO-360, G3i ignition & G3X with VP-X
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Old 03-05-2013, 12:59 PM
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cln1owner cln1owner is offline
Join Date: Jan 2006
Location: Ehprata, WA
Posts: 318

Course sand paper on a wood block, or run a die grinder with a course sanding drum against it.
Nate Benson
Ephrata, WA
RV9A/Slider N608MA

"If you think you can do a thing, or think you can't do a thing, you're right." -- Henry Ford
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Old 03-05-2013, 01:08 PM
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Dayton Murdock Dayton Murdock is offline
Join Date: Jan 2005
Location: Carson City NV
Posts: 566
Default The Fix

Take a broken grinding wheel or a rough rock and rub against the scotchbrite wheel to remove some of the wheels diameter and recondition the wheel surface
Dayton Murdock
VAF#408 RV4 N359DM O360 C/S, Dual P_Mags, AFS Efis, Trutrak A/P, Leather, Electric trim and flaps, Led lights, Freeflight ADSB and it is painted Red, Flying 1105 hrs 11/28/20

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Old 03-05-2013, 01:12 PM
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Sam Buchanan Sam Buchanan is offline
been here awhile
Join Date: Dec 2004
Location: North Alabama
Posts: 4,539
Default groovy is good!

I like the groove in the ScotchBrite wheel. It is perfect for deburring both sides of a piece in one pass. Just run the edge at a slight angle through the groove and each side of the groove will completely deburr the edge.

Here is the large groove that I cultivated on the 2" wheel:

It eventually gets even deeper (and works better) before I replace the wheel.
Sam Buchanan
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Old 03-05-2013, 01:14 PM
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longranger longranger is offline
Join Date: Mar 2007
Location: 45G, Brighton, MI
Posts: 1,928

I leave the grooves in mine; it helps keep long parts on the wheel when deburring flange edges.
Miles (VAF# 1238, Paid up as of 12/20)
RV-7 TU 904KM (reserved)
Wings Fitted and Finish Kit on site

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1955 Cessna 170B flying since 1982

'To get something you never had, you have to do something you never did.' -Unk.
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Old 03-05-2013, 01:14 PM
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scard scard is offline
Join Date: Jun 2005
Location: Cedar Park, TX
Posts: 3,383

I like a nice pretty scotchbrite wheel. I keep one with certain depth grooves, and one flat and square. I use a large 8" angle sander with a super coarse grit (like 18 grit) paper on it to make wheel adjustments. Very quick and effective.
Scott Card
CQ Headset by Card Machine Works
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RV-9A N4822C flying 2200+hrs. / Cedar Park, TX
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Old 03-05-2013, 02:26 PM
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9GT 9GT is offline
Join Date: Jan 2010
Location: Southern Michigan
Posts: 2,234

A Carborundum dressing stone will square it up quickly and easily.
David C.
Howell, MI
RV-10: #41686 Under Construction/Sold 2021
RV-9A: #90949 Under Construction
RV-10: #40637 Completed/Sold 2016
Cozy MKIV:#656 Completed/Sold 2007
"Donor Exempt" but donated through Dec. 2021
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Old 03-05-2013, 03:52 PM
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bret bret is offline
Join Date: Feb 2010
Location: Gardnerville Nv.
Posts: 2,828

I bought two, one for flat work and the other one for edge de burring as mentioned above.
7A Slider, EFII Angle 360, CS, SJ.
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Old 03-05-2013, 04:10 PM
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Sparky Sparky is offline
Join Date: Nov 2006
Location: Perham, MN
Posts: 350

I was able to redress my 6" Scotchbrite wheel on my bench grinder with an old expendable file. By the way, after the RV is now 99% complete the wheel is down to about 4.5" I used it for many, many parts.
Paul Winkels
RV7 Standard Build - First flight 4/16/2016 - Now Flying!
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