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Old 11-16-2012, 01:40 PM   #1
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Default Cutting control panel

About to state cutting the holes for my herms panel and was wondering how you guys cut your square holes. I have a unibit for the rounds. I want it clean. Thanks!!!


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Old 11-16-2012, 03:11 PM   #2
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I'm planning on programming my cuts on a CNC Bridgeport at work. Then I only have to square off the corners with a file.



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Old 11-16-2012, 03:12 PM   #3
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I drew them out and used a dremel with a cutoff disc. Didn't take long and I was able to get cleaner cuts than a jigsaw.
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Old 11-16-2012, 03:21 PM   #4
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A jigsaw with a fine blade works well, just be sure to tape the area well. I used a jigsaw for most of the cuts and cleaned it up with a dremel.
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Old 11-17-2012, 12:57 PM   #5
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I agree with the Dremel tool with the cutoff blade. If you go slowly with a steady hand, you can get a perfect cut. I covered the panel with blue painting tape and drew my cutouts with a pencil and ruler. In retrospect, I probably should have done this step away from the propane tanks.

Note: my panel was pretty thick steel and I went through about 5-6 standard or 3-4 reinforced wheels per square.
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Old 11-17-2012, 01:04 PM   #6
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The cleanest way is, of course, a punch but, omigosh, a 1/4 din punch goes for $575. If you are fortunate enough to work for a company that does this kind of work you might be able to borrow one or take your workpiece into the shop there and you might be lucky enough to find a used one on e-bay or stumble on one at a garage sale.
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Old 11-17-2012, 02:55 PM   #7
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Dremel. Its so easy to control for square holes. The cutoff discs are kinda pricey and you go through 5 or 10 but unless you have access to a cnc cutter in a shop, the dremel is the best $80 you'll spend on a shop tool. You'll also use it to deburr and clean up your hole saw cuts.
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Old 11-17-2012, 03:37 PM   #8
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I use the old drill all 4 corner method and cut the rest with a fine toothe jig saw. I tend to back off the corners a bit with the drill so I can tweak them with a file and get as close to a perfect fit as possible. I think the key to a professional looking job is getting the holes snug around the devices to preven gaps and unsightly appearances. Once you have the cutouts as close to perfect as you desire, I use a good grade of latex caulk on the back of the display to help make the enclosure a bit more water resistant and provide a good cushion for the lacking tabs when I slide that ring on from the back. Hope this helps and good luck with the panel.
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Old 11-17-2012, 04:36 PM   #9
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Is anyone else troubled by the first picture in #5?
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Old 11-17-2012, 05:15 PM   #10
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Quote:
Originally Posted by ajdelange
Is anyone else troubled by the first picture in #5?
The tanks were actually empty.


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