Re: Zoran's plotter
2006-03-28 by zoran_vasiljevic2000
... Hi Roger, Ordinary candle and ordinary paraffin. Zoran
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Re: Modify lazer fuser for use as laminator!!
2006-03-28 by Len Warner
... If you search this group s message archive for laser fuser - no quotes - (rather than the 2 spellings you tried above ;-) you will find several
Re: [Homebrew_PCBs] Zoran's plotter
2006-03-28 by Stefan Trethan
On Tue, 28 Mar 2006 11:35:17 +0200, roger lucas ... I think most candles are made of paraffin these days, get the cheapest and don t
Re: [Homebrew_PCBs] Zoran's plotter
2006-03-28 by roger lucas
Zoran, Are we talking bog standard white candles here or are there special candles we need to obtain for this to work. Roger ... Zoran s plotter is similar to
Re: [Homebrew_PCBs] Solder Pads and other questions
2006-03-28 by Leon Heller
... From: Ronald Vanschoren To: Sent: Tuesday, March 28, 2006 7:53 AM Subject: [Homebrew_PCBs] Solder
Re: [Homebrew_PCBs] Modify lazer fuser for use as laminator!!
2006-03-28 by Stefan Trethan
On Tue, 28 Mar 2006 06:33:52 +0200, aggie_672000 ... basically you add a temperature controller, a motor, and modify if needed to
Solder Pads and other questions
2006-03-28 by Ronald Vanschoren
Hi, I am currently starting to make my first PCBs and would like to make my own Eagle library to work with (mainly for photo-etch boards and hand soldering)
Re: [Homebrew_PCBs] Re: does tin etch with copper ?
2006-03-28 by Jan Kok
... That s all true. But I know I read the same thing that Matt did (where did you see it, Matt?), that some commercial processes use tin plate as an etch
Re: Newbie PCB Question
2006-03-28 by aggie_672000
Apprecite your reply but still don t understand the limitation? You say 1 board per project, can you have more than 1 project or when you want a new board do
Re: does tin etch with copper ?
2006-03-28 by aggie_672000
It is my understanding you tin plate the pcb after etching to protect the new copper trace from corrosion. TINNIT is the name of the material used to tin
Modify lazer fuser for use as laminator!!
2006-03-28 by aggie_672000
Have heard and seen a picture or two of a toner transfer laminator made from a lazor printer fuser. Any details on this conversion??
Re: Zoran's plotter
2006-03-27 by zoran_vasiljevic2000
... I believe that the paraffin work a little better than the etch resist marker. Zoran
Re: Zoran's plotter
2006-03-27 by zoran_vasiljevic2000
... I turn on the kitchen stove for 30 seconds only, and leave a PCB on it. After 2 minutes paraffin is melted, and I use paper towel. Zoran
Re: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Stefan Trethan
On Tue, 28 Mar 2006 00:25:57 +0200, zoran_vasiljevic2000 ... How do you remove the paraffin after etching? I did not try the tapping, it would probably have
Re: Zoran's plotter
2006-03-27 by zoran_vasiljevic2000
... divided by ... Hi Alan, The size of the hole is hard to measure, sorry. If you have not a filament wire in that hole, layer of the paraffin will be thick,
Re: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Zoran A. Scepanovic
First of all Sorry for strange language Zdravo Imenjace, dobi li ti moj emajl na private? -- Srdacan pozdrav,
Re: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Lez
I m surprised no one has asked you this but have you tried changing from wax to etch resist marker like the sharpie etc then it wont need to tap 200 times a
Re: Zoran's plotter
2006-03-27 by zoran_vasiljevic2000
... You are right. It was a mistake. I will post a new schematic immediately. Regards, Zoran
RE: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Alan Marconett
HI Zoran, What is the size of the hole (bore) in the needle? Does this dimension correspond to the width of line deposited? How many DPI (dots per inch)
Re: Zoran's plotter
2006-03-27 by zoran_vasiljevic2000
... You are right. Only small corrections: A SMD power transistor is the heater. The tapping is about 200 times per minute. Regards, Zoran
Re: Zoran's plotter
2006-03-27 by zoran_vasiljevic2000
... of the ... sort of ... The Surface tension of liquid (on te tip point), and a small hydrostatic pressure (a short needle), a small difference in height
Re: [Homebrew_PCBs] re Zoran's Plotter
2006-03-27 by Mycroft2152
A google search for kistka will give many results for the electric egg decorator. These look like a soldering iron with a small cup attached. The cups are also
RE: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Alan Marconett
Hi, So do these Kistka irons need to be tapped as well? http://www.mccallisters.com/egg_decorating/kistkas_electric.htm As you ve observed, they look like
PCB GCode
2006-03-27 by Alan Marconett
Hi to the PCB lists, (multiple posting) I have been trying to use an older copy of DeskPCB to generate Gcode for my current (first!) Eagle board project. I
Re: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Stefan Trethan
... I tried plotting with colophony resin once. It did not work, i had diluted it in alcohol and the layer was not thick enough. The trailing edge of the
Re: [Homebrew_PCBs] does tin etch with copper ?
2006-03-27 by Stefan Trethan
On Mon, 27 Mar 2006 17:50:06 +0200, matt clement ... I m not sure about FeCl, those tin resist baths are usually Sulphuric acid /
Re: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Stefan Trethan
... Now who said the old dot-matrix printers are useless scrap? ;-) *** I like the wax plotter idea as a novelty, it s neatly done, and working, but i fear the
RE: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Alan Marconett
Hi Zoran, Interesting and clever idea! I see that the solenoid lifts the paraffin pen away from the surface of the board, but what is done to keep the paraffin
does tin etch with copper ?
2006-03-27 by matt clement
I saw a process used by a fab house and they used a negative photo resist and then tin coated the board. The tin only stuck to the places that had the bare
Re: Zoran's plotter
2006-03-27 by lcdpublishing
It is a very interesting techinque indeed. Part of the problem with using sharpie ink, is getting the fine lines - I have yet to get .012 wide lines with any
Re: Zoran's plotter
2006-03-27 by javaguy11111
It looks like the device to apply the wax in Ukrainian eggs is called a Kistka. Doing a search for that name in google images shows a few examples. The
Re: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Mycroft2152
It s interesting that Zoran published his plans this time of year. The use of paraffin as a resist has a long history in decorating Easter Eggs. Google Ukraine
Re: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Lez
On 27/03/06, javaguy11111 wrote: . ... Lol a new business venture, 300dpi full colour tattoo s
Re: Zoran's plotter
2006-03-27 by javaguy11111
This was not explicitly explained on the website, but this is how I interpreted it. It looks like a small copper cup with a small heater using an smd resistor.
re Zoran's Plotter
2006-03-27 by chicthomson
Just a thought, rather than wirewrapping a hypodermic needle and then soldering it to the waxpot, the point,tip and sleeve from a relatively cheap technical
Re: [Homebrew_PCBs] Zoran's plotter
2006-03-27 by roger lucas
Zoran, Sounds a great idea, but unfortunately the site always seems to be unaccessable. Could you post some details on this forum so we can understand the
Re: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Lez
I got chucked out the site with the bandwidth exceeded call back in an hour message, been trying to see it for days now! I did see the main page with the
Re: [Homebrew_PCBs] Re: Zoran's plotter
2006-03-27 by Alan King
... That does look interesting. Makes me want to take my old Epson stylus and dump out the black cart and put in some paraffin. If all it needs is some extra
Re: Zoran's plotter
2006-03-26 by Len Warner
... Ingeneous! - but you won t get anything near the claimed 2.5 - 3.5 Watt wax pen heating with the circuit in slika03h.jpg Regards, LenW -- Please trim
Zoran's plotter
2006-03-26 by zoran_vasiljevic2000
Zoran s plotter is similar to a regular X/Y plotter, except that it does not use ink, it uses melted paraffin (wax), for drawing on PCB laminate, and for
Re: [Homebrew_PCBs] Newbie PCB Question
2006-03-26 by Alan Marconett
Hi Aggie, How big/complex is the board you want to mill? Eagle allows you to design as many boards as you desire. The hobby level free program size limit is
Re: [Homebrew_PCBs] Newbie PCB Question
2006-03-25 by Christopher Hart
You can make one board per project. I have designed several boards in Eagle, some have made it to copper, others didn t but you can create as many as you want,
Re: [Homebrew_PCBs] Eagle Border, and multi-section devices--Was- freeware CAD EAGLE
2006-03-25 by Alan Marconett
Hi Ted, Thanks for the rundown on the multi part ICs. I recall drawing 7400 series gates into schematics with Orcad that way. I haven t come to it in Eagle.
Eagle Border, and multi-section devices--Was- freeware CAD EAGLE
2006-03-25 by kilocycles
Alan, I m not quite sure what you mean when you say recenter the border. On a few occasions, I ve manage to lose one of the border lines on my board,
Newbie PCB Question
2006-03-25 by aggie_672000
Just finished my first toner transfer board which has made me think maybe a CNC routed board would be better. Am retired on a minimum budget so like free
RE: [Homebrew_PCBs] Re: freeware CAD EAGLE
2006-03-24 by Alan Marconett
Thanks Wayne, I ll let you know. First off, I m hoping I can simply bolt the board blank down sufficiently to keep it flat. At one time I wrote some software
Re: freeware CAD EAGLE
2006-03-24 by Wayne C. Gramlich
... [much snippage] ... Just a thought. If you want, you are welcome to borrow my floating Z head assembly for a Sherline. I ve got too many projects on my
RE: [Homebrew_PCBs] Re: freeware CAD EAGLE
2006-03-24 by Alan Marconett
HI Ted, Thanks for the kind words! Yes, I m fascinated with the simple, elegant steam engine designs of the past. Not so much on the RR s, but that may
Re: Mini-Mill
2006-03-24 by derekhawkins
... You could also try Petroleum Jelly (Vaseline etc.), it should wear only the Acetal nut (chemical not abrasive action). PJ will rapidly wear rubber and most
Uh-oh---Brother 2040 on sale
2006-03-24 by kilocycles
The Brother 2040 laser printer is on sale at Fry s here in Atlanta (rebates involved) for $69.95. That s $60 less than I paid for mine, adding insult to