Re: PCB EDM MILL Initial Tests
2006-05-03 by Andrew
... I m pretty sure from my dealing with epson inkjets those guys are _realy_ yet to sort out the problems :D Canon on the other hand - they might almost be
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Re: PCB EDM MILL Initial Tests
2006-05-03 by Andrew
... No - I don t do mechanincal milling. I have compared the results of it and the time it takes to photo. I stuck to photo. I have seen a few people that
Re: [Homebrew_PCBs] Re: PCB EDM MILL Initial Tests
2006-05-03 by Codesuidae
... I do. If you have some practice getting your setup right it s pretty well unattended, presuming your equipment is reliable. If the equipment isn t
Re: [Homebrew_PCBs] Re: PCB EDM MILL Initial Tests
2006-05-03 by Stefan Trethan
... Do you actually do mechanical milling? I don t, but as far as i am aware of it is far from trouble free and working well unattended. You get other stuff
Re: [Homebrew_PCBs] Re: PCB EDM MILL Initial Tests
2006-05-03 by Stefan Trethan
... Yea but they were built by some guy over at a garage shop called epson that builds a couple a day, and so he might have had a chance to work out the
Re: PCB EDM MILL Initial Tests
2006-05-03 by Andrew
... I will never replace my beloved photo-process never-never I tell you - not over my dead body. However I think the EDM could/maybe/possibly be more
Re: PCB EDM MILL Initial Tests
2006-05-03 by Andrew
... Them there fandangled ink jet printers have between 48 and 120 nozzels per colour and they don t break down more than 3 times a day :D
Re: PCB EDM MILL Initial Tests
2006-05-03 by Andrew
... Who cares about cheapest I think most automated might be the winner. And if you include ink drying and curing time - I think it could win for speed as
Re: PCB EDM MILL Initial Tests
2006-05-03 by Andrew
... Curt - is wasn t a serious experiment that I thought would lead somewhere - I just wanted to be destructive in a way that didn t involve goats :D
Re: [Homebrew_PCBs] Re: Blue CuCl etchant...
2006-05-03 by Stefan Trethan
... It doesn t, for me. copper coming out i mean. Something like that what you said is happening, yes. I m not good at chemistry but the oxygen in the H2O2 or
Re: PCB EDM MILL Initial Tests
2006-05-03 by curt_rxr
Hi Roger, ... It s the circuit used in the Garden of EDM -- I ll be glad to e mail a PDF of the original NASA Tech brief to you if you like. ... You ve got it
Re: Blue CuCl etchant...
2006-05-03 by Steve
... weakened solution! ... Sort of... CuCl obviously has copper in it already. I think it s CuCL2, stick copper in it and it pulls off copper to be come two
Re: [Homebrew_PCBs] Re: PCB EDM MILL Initial Tests
2006-05-03 by Stefan Trethan
I agree with you, inkjet may well turn out to be the most efficient overall. EDM would do away with the need for chemical etching. It would go that one step
Re: [Homebrew_PCBs] Toner Transfer Methodology
2006-05-03 by Stefan Trethan
Not many packages will allow you to print the different views of the PCB on one sheet, but most will allow some form of export so you can paste them together
Re: [Homebrew_PCBs] Re: PCB EDM MILL Initial Tests
2006-05-03 by Alan King
... Inkjet is preeminiently reliable, with low costs and little extra work for etching. Far more likely to have to watch the EDM or have more often mechanical
RE: [Homebrew_PCBs] Toner Transfer Methodology
2006-05-03 by Herbert E. Plett
... just make your own library, and every time you discover a part you will/can use, copy it. it s not that many different parts you will use anyway...
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Herbert E. Plett
... yes and no G-code is for managing vector movements, not raster patterns __________________________________________________ Do You Yahoo!? Tired of spam?
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Herbert E. Plett
... just don t tell it it s 2000x2000, tell it it s 200x200 but 10x larger... not sure how :( __________________________________________________ Do You Yahoo!?
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Herbert E. Plett
... I didn t pretend to be thaaat optimistic ... :) __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best
Re: [Homebrew_PCBs] Re: PCB EDM MILL Initial Tests
2006-05-03 by Alan King
... 24 things to fail at every step, better start now so it can work by 2012.. :) Alan
RE: [Homebrew_PCBs] Toner Transfer Methodology
2006-05-03 by Mark Mickelsen
H.E.P. Thanks again for helping a newbie. I m going to look into Eagle. It certainly has bigger libraries than what I ve been using. At first blush, they
Re: [Homebrew_PCBs] Re: G3 fax - Good news and Bad News
2006-05-03 by roger lucas
... Andrew, Many thanks, will look forward to that. ... What we call Going for a swift half I think. R: Be sure to visit the group home and check for new
Re: [Homebrew_PCBs] Re: PCB EDM MILL Initial Tests
2006-05-03 by roger lucas
Hi Curt, Good to hear from you again. ... I am in the middle of designing an electrode feed system similar to yours. I have not heard of the NASA circuit, is
Re: PCB EDM MILL Initial Tests
2006-05-03 by curt_rxr
... Hi Alan and Andrew, When I started playing with the idea of EDM ing PCBs a couple of years ago, my thought was to modify a printer and print the PCB
Re: [Homebrew_PCBs] Re: Blue CuCl etchant...
2006-05-03 by Stefan Trethan
... I ve seen a automatic titration tool, well, semi-automatic, that was very similar to this, also with something like a syringe needle for a dispenser. I see
Re: Blue CuCl etchant...
2006-05-03 by Andrew
... Same way you do with an eye dropper. Known volume of CuCl etchant in water Known molarity base to mix in with it till the solution start to precipitate.
Back to the reason why I want G3 compression
2006-05-03 by Andrew
... I was only planning on storing 1 row/ scanline of data at a time. ... I was planing on a 16.384 inch active area on a 20 inch or so round drum that is 10
Re: [Homebrew_PCBs] Re: Blue CuCl etchant...
2006-05-03 by Stefan Trethan
How do you you measure it with a syringe and a jar? I only know the eyedropper method with counting drops. But i plan to get some measuring pipettes off ebay
Re: PCB EDM MILL Initial Tests
2006-05-03 by Andrew
... It would be an easy enough algorithm to to get all the vectors from the G-Code and z-sort them to avoid islands. But we are going to get back into the
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Russell Shaw
... I got slightly confused thinking of EDM machines. At the data rates needed, you ll need to store the whole file in the machine controller. A 300mm drum has
Re: Blue CuCl etchant...
2006-05-03 by Andrew
... Dead easy to measure with a hypodermic needle and a small pyrex jar. PLUS you get all the fun of pretending to be a speed junkie when you go to the chemist
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Russell Shaw
... I got slightly confused thinking of EDM machines. At the data rates needed, you ll need to store the whole file in the machine controller. A 300mm drum has
Re: [Homebrew_PCBs] Re: Blue CuCl etchant...
2006-05-03 by Stefan Trethan
On Wed, 03 May 2006 02:42:02 +0200, Bill Westfield ... It is possible if you simply add HCl when you see a bluish tinge or etching slows
Re: [Homebrew_PCBs] Re: PCB EDM MILL Initial Tests
2006-05-03 by Alan King
... Makes sense and easy enough and probably not even that bad with an intelligent skip of uncut areas.. I d still rather see it draw the traces with
Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Andrew
... Big thumbs up to vector formats. They are GREAT. But not in an ATMega1280 :D hmmmm - I wonder if I could fit it into an AT-Tiny45 ......... NOW there is a
Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Andrew
... Well - In this application g-code is not suitable. If you remember the start of the thread - I am trying to make a cheap photoplotter anyone can replicate
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Russell Shaw
... Printers aren t real machines;) I mean milling machines, x-y laser cutters, etc. ... Yes, but i d use a vector format like g-code, gerber, postscript,
Re: PCB EDM MILL Initial Tests
2006-05-03 by Andrew
... Curt and Roger where doing it raster to avoid problems of isolating copper from the GND electrod clip. If you just used a normal isolation milling CAM file
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Russell Shaw
... A terminal program just dumps files from the pc into the machine, which is no different if tiff or g-code is used. Another way is to have only a small
Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Andrew
... I Assume real means real milling machine / drilling machine or something specific to PCB or engineering. Real plotters use HP/GL Real printers use
Re: [Homebrew_PCBs] Re: PCB EDM MILL Initial Tests
2006-05-03 by Alan King
... I didn t really read every word of the rest so may have missed something about raster, but raster would take a tremendous amount of time vs vector, and the
Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Andrew
... I think a fax program would have a fit if you gave it a BMP that was 12000 x 20000 dots. It is normally dealing with files that are 204x204 DPI not
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Russell Shaw
... Multi-platform is easy as long as you exclude M$;)
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Herbert E. Plett
... what about using any fax program? the nasty thing about PC software is it has to be multi-platform these days. the old days of only M$ are over...
Re: [Homebrew_PCBs] Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Russell Shaw
... Most real machines read G-code, that has been generated from the original CAD data such as DXF (gerber is G-codes). By converting all external data types
Re: G3 fax - restating the problem for those who didn't see the first plan.
2006-05-03 by Andrew
... The original plan was to not have to write ANY software on the PC ( cause we all hate doing that). It was just going to be use hyper terminal to send the
RE: [Homebrew_PCBs] Toner Transfer Methodology
2006-05-03 by Herbert E. Plett
I use Eagle and am about trying DipTrace (first heard of on this list). anyhow I think transferring via PDF is almost as crazy as using DOC! but I guess almost
Re: [Homebrew_PCBs] Blue CuCl etchant...
2006-05-03 by Herbert E. Plett
... blue points to contamination with sulphate (sulfuric acid?) ... yes, it s a sort of continuous process. sorry, I misread a previous post :( (should listen
Re: [Homebrew_PCBs] Re: G3 fax - was EDM Lasers and marraige - was re: homebrew laser plotter
2006-05-03 by Russell Shaw
... Just get the PC to re-order the file before sending it. Decent software decomposes the data (in whatever image format) to specialized control instructions
Re: PCB EDM MILL Initial Tests
2006-05-03 by Andrew
... I was wondering if either Curt or Roger would be willing to shre their circuits with others. Some of us are a little bit lazy and have a little to much