How do you punch out your chassis holes? - diyAudio
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Old 29th October 2005, 08:51 PM   #1
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Default how do you punch out your chasis holes?

how do you? jigsaw? tiedious drilling?

i'm refering to socket holes, transformer holes...
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Old 29th October 2005, 09:11 PM   #2
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If you have hole punches you use them. There are also many kinds of drills.
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Old 29th October 2005, 09:21 PM   #3
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I use hole saws in a drill press, plus I have a hand drill for quick drilling of M3 holes which I use a lot with nylon threaded spacers holding solder tags - mostly when I put a M3 screw through I put a nylon threaded spacer right on the back instead of a nut. Economises on chassis holes and gives plenty of points to solder components to. Andy
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Old 29th October 2005, 10:34 PM   #4
Sherman is offline Sherman  United States
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For small holes up to 1/4 inch I use standard titanium drill bits in either a hand drill or drill press. For 1/4 up to 7/8 inch or less I use a step drill. For larger holes I use hole saws in my drill press. A hand drill can do a good job with hole saws as well.
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Old 29th October 2005, 11:16 PM   #5
johnnyx is offline johnnyx  United Kingdom
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I like to use hole punches likethese for pot holes, socket holes, some sizes are good for valve (tube) bases. Ones are available for eg "D" & IEC connectors but they're expensive and need a press. They give a clean finish, no de-burring required.
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Old 30th October 2005, 12:12 AM   #6
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check out : http://www.toolup.com/CategorySearch...exbx24496.html - makes beautiful holes.

There is also a hydraulic system for the wealthy!

PB
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Old 30th October 2005, 01:57 AM   #7
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"i'm refering to socket holes, transformer holes..."

For my current project, I simply drilled all holes for mounting components, including the 7-pin miniature tube sockets. For the Octals, I rented a hydraulic "conduit punch" that easily knocked out the holes. For mounting the power xfmr, I simply made the cut out with a Dremel. Worked like a charm.
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Old 30th October 2005, 01:20 AM   #8
cowanrg is offline cowanrg  United States
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high-quality hole saws work with all sorts of metal, as long as you go slow and have a drill press or something with some power. i use the lennox brand and ive easily done 1" diameter holes in 1/8" aluminum that came out very clean.
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Old 30th October 2005, 03:20 AM   #9
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On alumin(i)um I use wood bits in a hand-held elecric drill for the large holes neede for tube sockets - messy and noisy but, being soft metal, it's easy enough to clean up and remove burrs.
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Old 30th October 2005, 03:42 AM   #10
cowanrg is offline cowanrg  United States
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oh yeah, ive used wood spade bits too. drill a pilot holes, then use the spade and go slow and use some lubricant and when you're done you don't even have to deburr if you went slow enough and used enough oil.
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