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ulflyer(at)verizon.net
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 Posted: Sat Feb 05, 2011 9:10 pm Post subject: Use of gasket punches - non-Kolb related |
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NOT KOLB RELATED - HELP - LOOKING FOR SUGGESTIONS
Email me direct if you do not want to post to the group. Actually
the answer make be useful to others punching out gaskets, etc.
I ordered some gasket punches off eBay. I tried the 3/4" one on a
paper plate stamping it against a 2x4.
It wasn't totally cutting through the paper plate all the way around
and I was hitting it pretty good.
I also tried a nicer ($$) set of punches I have, not much difference.
Instead punching against a 2x4, do I need to punch it on a harder
wood surface or a soft piece of material like a 1/16" - 1/8" thick
sheet of rubber.
What I will be punching out 3/4" dia circles of the suit symbol of
playing cards. Will glue them into a wood block with slightly larger
counter sunk holes. The block is used to indicate what is
trump. They work great, hard part is punching out the circles where
they are clean cut all the way through.
Suggestions welcome.
Thanks
jerryb
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aoldman(at)xtra.co.nz
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| Posted: Sat Feb 05, 2011 10:39 pm Post subject: Use of gasket punches - non-Kolb related |
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Do not puch it against the grain on your 2x4 or the smooth side. Instead
punch it on the end ,you know the bit the saw went through, The punch is
going the same way as the grain this way. Will cut much better
Downunder
MK111c
Sweltring in 40deg c today. Too windy to fly
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mdnanwelch7(at)hotmail.co
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| Posted: Sun Feb 06, 2011 6:28 am Post subject: Use of gasket punches - non-Kolb related |
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stamping it against a 2x4.
| Quote: | It wasn't totally cutting through the paper plate all the way around
and I was hitting it pretty good.
Thanks
jerryb
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Jerry,
I made a few gaskets in my time, and what you are trying to do isn't
much different.
IMO, you are trying to use too soft of a backup surface to cut against.
If it were me, I'd get a small piece of 1/8" thick aluminum sheet. (maybe
6" X 6" X 1/8")
Next, I'd get something like a bigger piece of steel plate, or any incredibly
non-deforming solid surface. Use a couple of strips of duct tape to secure
the aluminum sheet in place, centered on your steel surface.
Then, stamp out your designs. The aluminum shouldn't hurt the stamp,
unless of course, we're talking about Harbor Freight stuff.
Mike Welch
[quote][b]
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