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https://www.decware.com/cgi-bin/yabb22/YaBB.pl AUDIO FORUMS >> D.I.Y. >> Square Holes https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1506566234 Message started by 4krow on 09/28/17 at 03:37:13 |
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Title: Square Holes Post by 4krow on 09/28/17 at 03:37:13 Probably not a big deal to everyone, but cutting a square hole isn't my favorite thing. Fortunately, a coping saw helps out. Putting it in a vise gave me a bit more control. Do they make square hole punches? |
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Title: Re: Square Holes Post by Lonely Raven on 09/28/17 at 15:12:34 They do actually - there is a ratchet and die setup you can get where you drill a hole in the center of where you want and thread a screw type device through it, then you mount a sharp die in the shape you want to cut out to the screw shaft, then you ratchet, ratchet, ratchet to pull the die through the metal and cut out the hole you want. I've used them for IEC connectors and cutting tube holes when I build a few guitar amps from scratch using custom bent chassis. They are kind of expensive though...at least they were 10 or so years ago when I actually built guitar amps. |
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Title: Re: Square Holes Post by Lonely Raven on 09/28/17 at 15:18:27 http://www.arizonatools.com/knockout-punches/detail/Greenlee-Rectangular-Knockout-Punch/GRN60031 http://www.toolbank.com/p/D5259/QMASQ34 http://uk.rs-online.com/web/p/punches-dies/4778892/ |
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Title: Re: Square Holes Post by Lonely Raven on 09/28/17 at 15:22:42 Video of one made for outlets. https://www.youtube.com/watch?v=eo5Udskue84 |
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Title: Re: Square Holes Post by 4krow on 09/29/17 at 00:57:15 Much appreciated LR, Today, I need to heed my own advice about heat sinking. It applied to the Soldering of these switches, and I have to replace one due to forgetting about the extra heat needed to attach wires. I will prep, and heat sink the next connection! |
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Title: Re: Square Holes Post by 4krow on 09/30/17 at 03:56:01 Well, it all worked out. I am seeing double. Got this power supply ready run the "Punch Brothers" 660 Flat-Head buffer amp. |
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Title: Re: Square Holes Post by 4krow on 09/30/17 at 22:25:40 One more image |
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Title: Re: Square Holes Post by Lonely Raven on 10/02/17 at 19:02:10 Well that certainly looks all sorts of cool! |
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