Using TEC to cool air - Page 3 - Overclock.net

Ultrasonic2 (muffy) · 3 Weeks Ago

Quote:

Originally Posted by zipdogso

OK Guys...you've really gone to town on me for this......

The copper plate I bought was pretty good and did not need much lapping it was high quality copper an engineering firm bought and it was good stuff, very square cut and very flat...Ok you won't get it everywhere I digress...but simply put it just a piece of copper plate with finished edges and lapping.

I do appreciate the tolerances Melcor state for flatness to be frank Ultra even your machine wont match that.... I doubt it anyway....

That's my 2 cents....

my comments weren't directed at you

**ira-k** · 3 Weeks Ago

Quote:

Originally Posted by zipdogso

OK Guys...you've really gone to town on me for this......

The copper plate I bought was pretty good and did not need much lapping it was high quality copper an engineering firm bought and it was good stuff, very square cut and very flat...Ok you won't get it everywhere I digress...but simply put it just a piece of copper plate with finished edges and lapping.

I do appreciate the tolerances Melcor state for flatness to be frank Ultra even your machine wont match that.... I doubt it anyway....

That's my 2 cents....

Do you lap on plate glass Zip? I finally broke my little 12x12" square, I need to get another one. It's so much smoother then window glass, plus it has almost no flex if you lay it on something solid, it just makes for a lot better finish with less time.

I'd love to have a steel lapping plate, but I'm just to cheap to spend a couple of hundred dollars on one,it would sure be nice to have one though.

zipdogso · 3 Weeks Ago

I went down my local glaziers who also did shop fronts and explained exactly what I wanted and why, he said " Hang on a mo" and appeared 5 minutes later with a piece of plate glass he had cut off a broken shop window he said " that'll do yer" and declined any payment....

**ira-k** · 3 Weeks Ago

Thats how I got my last piece, he even beveled the edges for me.

ChielScape · 3 Weeks Ago

i used a picture frame lol

**ira-k** · 3 Weeks Ago

Oh yeah window type glass will work to. That nice thick 1/2"-1" plate glass just makes it a lot easier and faster to get a good lap with, it's smoother, without as many irregularities and it has almost 0 flex to it, if you ever get a chance to snag a piece grab it.

ChielScape · 3 Weeks Ago

flexing wasnt even the main problem... i broke one of the two i had applying too much pressure.

**ira-k** · 3 Weeks Ago

HaHa..

..At least no one can say you weren't energetic about it..

ChielScape · 3 Weeks Ago

i had to.. i tried lapping all the way trough the IHS. took me a few days.

**ira-k** · 3 Weeks Ago

I file mine down Chiel, I use a 14" mill file. If you don't think you can keep it flat by hand just lay the file on a table, then line 2 corners of the IHS up about in the middle of the file, diagonally. Work it up and down a dozen times or so then flip it around to the other two corners,just keep spinning it around as you go, that will pretty well cover the whole IHS.

I lay my file down flat every now and then like that and check that I'm keeping it flat. It's still slow going, but it's a lot faster then sandpaper, just get it about how ever far you want to take it and lap it then.

Keep a steady pressure in the middle of your work piece so you wont drag your leading and trailing edges.

Keep your file knocked out or the copper will ball up in it and scratch your IHS, keep straight edging it as you go along.

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Using TEC to cool air

3 Weeks Ago	#23 (permalink)
zipdogso New to Overclock.net Join Date: Jul 2008 Location: Surrey, England Posts: 382 Rep: 31 Unique Rep: 16 Trader Rating: 0	I went down my local glaziers who also did shop fronts and explained exactly what I wanted and why, he said " Hang on a mo" and appeared 5 minutes later with a piece of plate glass he had cut off a broken shop window he said " that'll do yer" and declined any payment....

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