Hoffman Amplifiers Tube Amplifier Forum
Amp Stuff => AmpTools/Tech Tips => Topic started by: Sonny ReVerb on September 16, 2018, 07:14:23 pm
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I finally had a chance to try out my IEC punch that I got from Newark. It did a fine job. I would give it a 'thumbs up' overall.
One problem, however, is the round body. There's no way to tell if the punch is square to the chassis. I made some pencil marks on the sides of the body that I could align with a center line on the chassis. That did the trick.
https://el34world.com/Forum/index.php?topic=21836.msg233638#msg233638
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How much did that punch set you back?
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One problem, however, is the round body. There's no way to tell if the punch is square to the chassis. I made some pencil marks on the sides of the body that I could align with a center line on the chassis. That did the trick.
Put some lines on the inside of the chassis. Or just use a machinist square to line up the rectangle body on the inside of the chassis. Or cut a 2-1/2" wide board to about 4" long and use that as a guide inside the chassis. Lots of ways to make sure it's square to the chassis, but they all involve the inside of the chassis.
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How much did that punch set you back?
Currently $77.54. Not cheap, but I haven't seen one cheaper.
https://www.newark.com/duratool/974-0010/rectangular-hole-cutter-28mm-x/dp/55T8294
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I finally had a chance to try out my IEC punch that I got from Newark. It did a fine job. I would give it a 'thumbs up' overall.
One problem, however, is the round body. There's no way to tell if the punch is square to the chassis. I made some pencil marks on the sides of the body that I could align with a center line on the chassis. That did the trick.
https://el34world.com/Forum/index.php?topic=21836.msg233638#msg233638
Apologies for replying to an old topic. Does anyone know if these IEC punch are still being manufactured ? Newark/RS have discontinued them.
TIA.
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I use a lot of these punch many years ago, they work fine.
Brand was Greenlee.
Only round punch set, no square.
Very very expensive ;
https://www.panelpunching.com/panel-punching/din-punches?gclid=CjwKCAjw_Y_8BRBiEiwA5MCBJulUpEp2FkVUXRZLaCKkGNLja7RDTJvqZ529R1sAqlrjCasnJxGdIhoC-LYQAvD_BwE
https://www.greenlee.com/us/en/knockouts
https://www.amazon.com/s?k=greelee+square+punch&ref=nb_sb_noss
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for IEC inlet, the punch below would work - at least for the schurter brand IEC type C14 inlet. $500 to $950 american. greenlee makes the one for $500, but no one seems to stock it.
http://www.panelpunches.com/md-07911106r0118
https://www.greenlee.com/us/en/punch-unit-rect750x114191x290-60031?w=2&c=161&b=86&t=6&r=30&p=1&lat=30.336821&lng=-97.707614&l=4&v=c
https://store.phonetx.com/80004939.html
--pete