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Repairing broken sander belts

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Forum topic by RusticElements posted 2297 days ago 11149 views 0 times favorited 16 replies Add to Favorites Watch
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RusticElements

167 posts in 2356 days


2297 days ago

Topic tags/keywords: question sander

Is it possible?

I went through several sander belts on a recent stair refinishing job. Not that the belts wore out, they broke. Yes I had them on the right way. The belt sander belongs to my neighbor and I think the belts may be quite old.

What I’m wondering is, is there a way to repair them? Can I remove the existing spicing tape and put on new tape of some kind? It seems a shame to throw out perfectly good belts. Hey! I’m Scottish! What can I say?!?

-- Michael R. Harvey - Brewster, NY - RusticElementArt.com - SpaceAware.org - AnConn.com


16 replies so far

View Bob #2's profile

Bob #2

3808 posts in 2652 days


#1 posted 2297 days ago

They are pretty inexpensive. I think I pay about 80 cents each for the 3×21” belts.
That being said, I suppose you could get a roll of seaming tape for carpets and give it a try.
Some use linen with crazy glue.
Remember all these remedies cost money too.

bob

-- A mind, like a home, is furnished by its owner

View GaryK's profile

GaryK

10262 posts in 2619 days


#2 posted 2297 days ago

Epoxy might work. I would just buy another.

-- Gary - Never pass up the opportunity to make a mistake look like you planned it that way - Tyler, TX

View lew's profile

lew

10002 posts in 2386 days


#3 posted 2297 days ago

Mike,

Your assumption about old belts is probably correct. My shop is in the basement and it can be a little humid. I experienced several belt failures on belts that were brand new but had been stored in the shop for many months. Newly purchased belts worked fine.

I agree with Bob and Gary- replace rather than repair

Lew

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View Grumpy's profile

Grumpy

19390 posts in 2482 days


#4 posted 2297 days ago

Mike, never had one break luckily. I cut the old ones into strips for sanding blocks & on the lathe. So they are not really wasted.

-- Grumpy - "Always look on the bright side of life"- Monty Python

View RusticElements's profile

RusticElements

167 posts in 2356 days


#5 posted 2297 days ago

A Jewish friend of mind says he knows what happened to the lost tribe of Israel… They ended up in Scotland.
......
My Grandmother was well known for spending $1 on gas in order to save $0.10 at at sale…..

I guess I’m a little too much like my grandmother….

Ok, I give, I’ll buy new ones.

-- Michael R. Harvey - Brewster, NY - RusticElementArt.com - SpaceAware.org - AnConn.com

View Karson's profile

Karson

34870 posts in 3031 days


#6 posted 2297 days ago

Well I’m like Rustic Elements.

I’ve got about 50 belts and they are each breaking within 1 minute of turning them on. 1” wide belts and 4” wide belts.

I’d like a way to salvage them.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View Mark Shymanski's profile

Mark Shymanski

5092 posts in 2343 days


#7 posted 2297 days ago

I think any repaior that you’d do to the belt would shorten it too much to be able to mount it on the BS. I think Grumpy has the best idea, use them somewhere else to get the value out of them.

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

View Mario's profile

Mario

902 posts in 2682 days


#8 posted 2296 days ago

I agree, buy some new ones, Keep the old ones and glue them to blocks of wood to sand edges.

-- Hope Never fails

View RusticElements's profile

RusticElements

167 posts in 2356 days


#9 posted 2296 days ago

I just looked on Lee Valley. These things are $3.15 each for 4” x 24”. Of course, knowing my neighbor, the ones that broke are probably the $0.99 variety. Theoretically, the better ones should last longer.

-- Michael R. Harvey - Brewster, NY - RusticElementArt.com - SpaceAware.org - AnConn.com

View beemerbob's profile

beemerbob

8 posts in 2426 days


#10 posted 2291 days ago

Had the same problem. Turning the belts in sanding blocks, large surface sanding, etc. I was told by the Klingspore folks that most belts should be used within one year of purchase

bob.

-- Bob from Northwest Florida

View bryano's profile

bryano

546 posts in 2564 days


#11 posted 2291 days ago

I get mine from Big Lots for about a 1$. I wear them out without breakage. the only proglem is not much grit selection there.

-- bryano

View 221mcharg's profile

221mcharg

1 post in 1122 days


#12 posted 1122 days ago

I had 35 belts 4”X36” where the seam failed. I tried numerous methods to find a fix.

Here is what I finally found that works.

Get a roll of “iron-on” carpet tape from home depot or lowes. A lifetime supply is about $7.00.
cut strips from the carpet tape to fit the seam on the back of the sanding belt.
Remove the existing adhesive strip from the back of the sanding belt.
Rough up the surface of the back of the belt with sandpaper.
line up the ends of the sandpaper belt and apply the carpet tape with an iron. The iron must be turned to HOT.

The repaired belt will produce a little “bump” as the carpet tape adds some thickness but it is better than throwing away good belts.

View MrRon's profile

MrRon

2794 posts in 1874 days


#13 posted 1122 days ago

I had the same problem and tried many different tapes, but none would hold. I finally contacted a belt manufacturer (Carborundrum, I think) and asked them what tape is used. Their reply was; the tape was prioritary. I guess you will have to buy a good belt. They last longer than cheap belts, HF for example.

View gfadvm's profile

gfadvm

10735 posts in 1321 days


#14 posted 1122 days ago

When I started buying Norton 3x belts, this problem went away! They are spendy but worth every penny.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View Tim Kindrick's profile

Tim Kindrick

369 posts in 1185 days


#15 posted 1121 days ago

I never throw away belts that break. Instead I attach them to scrap pieces of wood with different shapes for hand sanding and shaping. It works great and they last a long time like this!!!!!

-- I have metal in my neck but wood in my blood!!

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