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The Newbies Arena Are you new to knife making? Here is all the help you will need.

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  #1  
Old 03-27-2012, 08:41 AM
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MoblMec MoblMec is offline
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Old grinding belts

Hi Guys
I have the chance to pickup some old grinding belts about 100 of them for cheap. But we tryed 4 of them and they seperade at the glue join in less than 30 seconds.
Is there any to replace the glue/tape joint and still use thesr belts. Sure would hate to see that many belts go to waste!
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MoblMec
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Old 03-27-2012, 08:46 AM
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Ray Rogers Ray Rogers is offline
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I used some fiberglass strapping tape to repair some belts once, that worked for a little while. The big problem is that almost anything you can do to splice that butt joint will leave a lump in the belt that will cause a bump every time it comes around and that can ruin your grind ....


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Old 03-27-2012, 09:10 AM
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MoblMec MoblMec is offline
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How dose the factory join them without a bump?
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MoblMec
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Old 03-27-2012, 01:14 PM
Rick McGee Rick McGee is offline
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As I have read many times before, the factory uses a special glue. The glue has to be kept in very controled conditions and has a very short shelflife. Not the sort of thing the avg guy can use. Think about how much you'd have to pay for such a product, considering the special handleing needs, the size container, how much will be used per belt, and how many belts can be done per container.
It becomes obvious pretty quick that the manufacturer is the only one who has enough volume to make the glue process economical.
This topic comes up fairly often, with folks trying to find a way to cheaper belts by making their own from shop rolls. To date I've seen nowhere that anyone has found a solution.
I'm sure you hate to see the belts going to waste, but they have already gone to waste. They are currently the owners problem. Don't pay money to make them your problem only to put them in your trash can instead of his.
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Old 03-28-2012, 08:50 AM
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C Craft C Craft is offline
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At this point that is why they were cheap. They will be handy for things like using them as emery paper, http://compare.ebay.com/like/2510032...Types&var=sbar.

I use them in quick shaping of a handles and or polishing round objects, and then of course you have to go back an sand with the grain to get all the marks out. I almost always hang on to the remains of an old belt when I tear one up on the grinder for just that purpose, and I have been know to rip up a new belt if I needed a strip bad enough!

Wish I had better news about the seams but I have tried to repair them before and nothing I have ever tried works right or holds them after they heat up!


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Old 04-01-2012, 10:13 AM
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ckluftinger ckluftinger is offline
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I keep all my worn belts and cut them into 3 inch pieces for hand sanding. They may be too dull for the machine, but there's lots of life in them for hand work.


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Old 04-08-2012, 05:34 AM
huntforlife huntforlife is offline
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Quote:
Originally Posted by ckluftinger View Post
I keep all my worn belts and cut them into 3 inch pieces for hand sanding. They may be too dull for the machine, but there's lots of life in them for hand work.
Bingo! Old belts are great for rounding off handles and hand sanding in general.
Any belt I have that is worn out for high speed work gets cut and hung up for hand sanding.


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