My familiarity with this problem goes back many years. When I faced
the same experience of snapping belts, I was told that improper
storage was the culprit, ie storage in an un-heated, un-cooled
I was also told the manufacturers of the belts have assembly presses
which cannot be duplicated at home.
The lesson to be learned here, IMHO, is to purchase small lots as
needed. Is there anyway to find out the date of manufacture as per a
carton of milk?
On Wed, 14 Jul 2010 21:09:11 -0700, "Edward Hennessey"
2 possibilities come to mind.
Some belts are extremely directional and will last forever in the
correct direction or fall apart as you speak of in the other
direction. If there is an arrow on them, be sure to use it.
Second, old belts can have old, brittle adhesive and nothing I've
heard of will save 'em. Most tape will hit the shoe plate and curl
EXPLETIVE: A balm, usually applied verbally in hindsight,
which somehow eases those pains and indignities following
If the ends overlap, you can use elmer's glue and fix by ironing with
a household iron. If they but up then you will need some kind of
We use to make our own in school shop by cutting from a roll at a
diagonal so they would overlap by approx an inch. Then using a
grinding stone in a DeWalt radial arm saw we ground off the grid on
one end, put on the glue and ironed them from the back. Never had one
to come unglued. The stock roll was donated by a local plywood maker.
These belts butt up with the tape overlapping that line.
We use some large, stationary Somaca belt sanders as well and it would
be interesting to see if some of this belt material could be cut for
use on smaller
machines. The notion that it might be possible to fabricate belts from
stock also poses possibilities; hopefully, some of them might deal
As to your second paragraph, my head is a little hard. Does "grinding
grid" mean you are grinding each end of the cut roll for a half lap
kind of glue was successful for you?
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