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Page 347 of 707 · 35337 messages matched
2007-04-03 by DJ Delorie
... From all the stories of motor mounts that fail due to epoxy softening. And from my dad telling me to use a torch to remove epoxy plugs from car parts. And
2007-04-03 by Stefan Trethan
... Why do you get that impression? FR4 _IS_ glass in an epoxy matrix. In fact, JB weld itself is an epoxy if i m not mistaken, only they take more $ for the
2007-04-03 by DJ Delorie
... Doh! Nevermind. Still, epoxy and heat don t get along, something to keep in mind. (jbweld is known to me because it s used to hold model rocket engine
2007-04-03 by Roland Harriston
Actually, I believe that J.B. Weld is simply a two-part epoxy system with iron powder added. Same basic characteristics as generic epoxy material. Since the
2007-04-03 by warrenbrayshaw
... The MSDS (Material Safety Data Sheets) for J-B WELD shows that there is 10-20% iron powder in the resin and hardner. Perhaps this would not be a good
2007-04-03 by Thomas P. Gootee
... For the etching, you might want to try using Muriatic Acid and Hydrogen Peroxide, instead of the Sodium Persulfate. It would be much cheaper, much more
2007-04-03 by DJ Delorie
... Beware that epoxy softens when heated. If that s an issue, use something like J.B.Weld, which is more heat tolerant.
2007-04-03 by d1camero
Phil, thanks for the info. Good idea about the sandwich - I think I will try that!
2007-04-03 by pgdion1
... appreciated! ... Hi Don, I haven t tried TT on anything heavier than 1oz but with my results I believe it would work well on 2oz boards, especially for
2007-04-03 by pgdion1
... Good news. I think that s the same as the Office Gloss I m using from Hammermill. I was looking a both and they match up perfectly (I bought the
2007-04-03 by d1camero
Thanks for the info Don. I am actually quite well versed with Aiken, eyelet construction, PTP, turret construction versus PCB. What I am looking for is
2007-04-03 by William Nelson
I just made up that board in Eagle just for testing, I did not post the actual file. Anything will do. You need to crank up the heat to about 450F.
2007-04-02 by donahn
... appreciated! ... You could probably get this to work, but for thick through hole parts in tube amps, I believe the reason for 1/8 board is stability in
2007-04-02 by kpyro2
... Ok I can do that. After reading more last night I think you guys were right I wasnt cureing the ink but just drying it real well at 200 deg F. I think
2007-04-02 by d1camero
Hi all, I am building a tube guitar amp PCB. It requires heavy copper on thick boards. I would like to use 1/8 boards, but cannot find any locally.
2007-04-02 by d1camero
Everyone, thanks for the help. The problem really turned out to be the paper. I live in Canada, so the paper we get here is much different names/numbers that
2007-04-02 by William Nelson
I use a small heat-gun to preheat the board to about 75C. This heating is done on the feed tray and carrier so it is ready to go when I hit the print button. I
2007-04-02 by guja
It is very easy. You have to create postscript files of selected layers (print-to-file). Than you can import them into CorelDraw, where you can align, flip,
2007-04-02 by Bruno St-Laurent
I do agree Guja ,but i can t find how to print both on the same page with Altium !!!! ... vertically, top layer mirrored) in a single pass. Offset may vary.
2007-04-02 by kpyro2
Ok I went and looked at the pics again and yet I am doing something wrong. Duh! First nice mods on your printer. I am using a c84 BTW dont know if I said that
2007-04-02 by kpyro2
... WOW thats alot hotter than I was going. Do you bake it at that temp? For how long? ... I tried this but I think my method was useless by the time I ran
2007-04-02 by kpyro2
... Opps yes just in the post though I have been curing the pcbs tried the oven at 200deg for 1 hr and right on the flat cooktop at semi low until the pcb
2007-04-02 by wnnelson0
You have to cure the ink before you etch. 230C to 240C works best for me. If you preheat you should get the ink to look perfectly smooth after printing. If you
2007-04-01 by James Newton
... clad ... You missed curing. You have to cure the ink at the temperature specified at http://techref.massmind.org/techref/pcb/etch/directinkjetresist.htm
2007-04-01 by hwllkym
2007-03-31 by docstein99
I should mention it was a very interesting and informative phone call. The guy I got (think the name was RICK) tried keeping me on the phone for as long as
2007-03-31 by Stefan Trethan
On Fri, 30 Mar 2007 02:02:39 +0200, d1camero ... You say you are trying to print component legend, if you try that on single-sided
2007-03-31 by Lez
Yahoo has done this in all the groups I know of this last week, but you dont see it if you get your mail via google, I read it online, helps keep the nasty
2007-03-31 by epineh
... If I am printing from Eagle, I just make all traces, pads etc that I want to keep the default red colour that Eagle uses for the top layer, standard
2007-03-31 by kpyro2
I have been making PCBs about just about every homemade method for a while currently I am using Kepro NEG dry film. But looking for a faster CAD to finished
2007-03-31 by kpyro2
... This worked well also Its a little more confusing but MAY be a cleaner conversion from protel. I have been printing to a PDF file then converting in
2007-03-31 by kpyro2
... WOW has IfranView changed since the version I had. This worked Perfect and EASY! Thanks Ken
2007-03-31 by Ross McKenzie
Thanks for that Mark. Like many others I suspect, I only receive Yahoo group postings via email and therefore did not get the apology or explanation until
2007-03-31 by Mark Graybill
There s a message on the Yahoo Groups Team blog about the message problem--including an apology: http://blog.360.yahoo.com/y_groups_team Apparently the Yahoo
2007-03-31 by Ross McKenzie
Yeah...not hard to see why some folks just walk away from technology saying that is a fancy way of wasting time...and nervous energy. Regards, Ross
2007-03-31 by Ross McKenzie
... ....that description fits Microshaft, and some many others that it IS funny. Regards, Ross McKenzie ValuSoft Melbourne Australia
2007-03-31 by Russ Blakeman
I m not real fond of it making clones of my messages either then sending me undeliverable messages. Seems to have stopped though. ... From:
2007-03-30 by Dave Miller
... engineer. ... mentioned ... they ... like ... - ... online ... be ... Thanks, It did seem to good to be true! Oh well, back to hacking Epson cartriges!
2007-03-30 by docstein99
Ok I called the office, and spoke with a very informative engineer. He then explained all the stuff I read on the website, and mentioned alot about how their
2007-03-30 by docstein99
I agree, I am too a bit skeptical. It doesnt look like that place is setup to sell and service one printhead to someone for $60. Probably $60 for a print
2007-03-30 by William Nelson
Is this in quantities of one or thousands? One pico liter I believe is better than the Epsons, 4 pico liter I think. Would they give out the documentation to
2007-03-30 by Jacques MEUNIER (P)
Hello you have not to print gerber file but export gerber file ;-) work perfectly here with DipTrace and GC-Prevue Jacques ... From: pgdion1 To:
2007-03-30 by pgdion1
... One way I know of off hand is to print the gerber to a file and then use a free program called GC-Prevue (gerber viewer is free). You can open the gerbers
2007-03-30 by pgdion1
... ... My next attempt was trying 5 minutes with the iron - ... Hmmm, after poor results with TT years ago, I ve been trying it again and it s working quite
2007-03-30 by guja
It is much easier (and more accurate) to print both layers (placed vertically, top layer mirrored) in a single pass. “Offset” may vary. ... Now that s room
2007-03-30 by hwllkym
2007-03-30 by Dave Miller
... The $59 to $99 numbers were quoted in the Feb. 26th issue of the EE Times. The $59 heads are 10 pL, the $99 heads were 1 pL. See the full article original
2007-03-30 by Lez
... Now thats clever!
2007-03-30 by Bruno St-Laurent
Did a small workaround to solved it !!! i printed first layer then rotate drawing 180- degree then print the second layer(mirror)!!!, Why ?? it prints the 2
2007-03-30 by docstein99
... Now that is interesting. I d like to find out more details about the print head pricing, it feels like I m going to call them on the phone and somebody s