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cj.tremblay(at)videotron.
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 Posted: Sun Oct 01, 2006 8:56 am Post subject: Inspection plates |
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I Dave,
For my own flanging holes, in my spars and ribs, I tried to use a fly cutter. This tool work fine with wood, but with metal it is more difficult do use, the tool jam all the time. Like other guys told you, manually turn the tool is better.
I don’t know if you are equipped with air tool, I buy an Air Nibbler tool like those used in car industry. This tool is the best for that kind of job, I do a wood jig in plywood, a little bit wider than the hole targeted. After, for file the edge, I use and 1 ½ inches diameter sand rubber wheel, I used it with a drill, I finishing smoothed edge with a multiple paper sand wheel.
Cut the hole with nibble take 30 seconds, sanding process 2-3 minutes with the 2 kind of wheel. Job perfectly done for the dye press tool.
Christian Tremblay
A guy who build a CH640 from plan
http://www.zodiac640.com/
De : owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] De la part de Dave Ruddiman
Envoyé : Saturday, September 30, 2006 10:44 PM
À : zenith-list(at)matronics.com
Objet : Zenith-List: Inspection plates
I am trying to make some round inspection hole covers with no hole in the center. I have had some success using large hole saws on a drill press. Just clamp everything down tight and put the drill press on slow speed and use cutting oil. It kind of works but will start to grab easily. It leaves a very rough edge. Then I smooth it down with a Scotchbrite wheel. There must be a better way. These are 4 to 5 inch holes and the saws are really expensive. I really don't want to cut them with tin snips.
Dave in Salem
801
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roger(at)nwtradingpost.co
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| Posted: Sun Oct 01, 2006 2:55 pm Post subject: Inspection plates |
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Dave
I went thru the same thought process as you and ended up cutting them with tin snips: they look fine and it went fast
Roger
701
Started on fuselage
Kenmore, WA
From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Dave Ruddiman
Sent: Saturday, September 30, 2006 7:44 PM
To: zenith-list(at)matronics.com
Subject: Inspection plates
I am trying to make some round inspection hole covers with no hole in the center. I have had some success using large hole saws on a drill press. Just clamp everything down tight and put the drill press on slow speed and use cutting oil. It kind of works but will start to grab easily. It leaves a very rough edge. Then I smooth it down with a Scotchbrite wheel. There must be a better way. These are 4 to 5 inch holes and the saws are really expensive. I really don't want to cut them with tin snips.
Dave in Salem
801
01234567890123
[quote][b]
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Float Flyr
Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland
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