Punching Holes in Sandpaper - Router Forums
 
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post #1 of 5 (permalink) Old 01-03-2007, 03:53 PM Thread Starter
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Default Punching Holes in Sandpaper

I have a Bosch 1297 quarter sheet sander and a lot of regular sheets of sandpaper.

Is there a better way of putting holes in the sandpaper for the dust collector?


Bob

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post #2 of 5 (permalink) Old 01-03-2007, 04:22 PM
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Hi Bob

I use a gasket punch set, you can find them at most auto parts stores or HF.

The set I have that has 12ea. from 1/8" to 3/4" I have added over the years 7/8" to 2" and I have made one or two with some steel tubing, thin wall , by grinding one end to a sharp knife edge and put in a wooden dowel in the open end, they work well also.
All you need to use them, is put the gasket/sand paper of some scrap wood and strike the punch and the hole(s) comes out clean.
I now save big time on sanding disk that have the holes in them by buying the uncut stock from Grizzly and make my own.

http://www.harborfreight.com/cpi/cta...temnumber=3838
OR
http://www.grizzly.com/products/g9845

http://www.grizzly.com/products/H3329


Hope this helps

Bj




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post #3 of 5 (permalink) Old 01-03-2007, 11:27 PM
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Bob, I have seen a jig that speeds the process of punching the holes. You trace the hole pattern onto a block of wood and drill the proper size holes and repeat the process onto a 2nd block and install dowels. This gives you a punch and die so one hit cuts all the holes. The holes will not be as clean as with BJ's method but will get the job done quickly.

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post #4 of 5 (permalink) Old 01-04-2007, 07:34 AM
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My quarter sheet sander(mental block, can't remember the brand for some reason) came with a plastic jig to do this. Install the sheet, and then place the sander in the jig and it punches the holes thru. I like the idea of an external method tho, as I've occasionally had to clean pieces of sandpaper out of the holes in the sander.

Brian

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post #5 of 5 (permalink) Old 01-04-2007, 10:16 AM
 
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Hi Bob

Have a look at the post "Sanders modification"

I got rid of those holes long time ago

niki
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