Re: New poll for Homebrew_PCBs
2003-10-06 by Dave Mucha
THINK MINIMUM machine. I know we all want something to do everything, but if you look at your wallet today, what would you be willing to buy ? Remember, there
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New poll for Homebrew_PCBs
2003-10-06 by Homebrew_PCBs@yahoogroups.com
Enter your vote today! A new poll has been created for the Homebrew_PCBs group: What is your MINIMUM requirements for a CNC machine ? Think of this as your
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine
2003-10-06 by Stefan Trethan
thanks all.. i think today a lot of very good and helpful tips were written. please excuse that i don t answer each suggestion in detail for itself but this is
Re: HomeBrew CNC machine Turbo-CNC
2003-10-06 by Dave Mucha
... port, you ... will get the ... functional ... Here is the group. http://groups.yahoo.com/group/turbocnc/ here is the home page http://www.dakeng.com/ As
Re: HomeBrew CNC machine - pipes and nuts
2003-10-06 by Dave Mucha
... you use two ... larger sizes ... They ... I use long threads and find that the typical play between a screw and nut is about 5thou (0.133mm) and that is
Re: HomeBrew CNC machine - pipes
2003-10-06 by crankorgan
Les, I would use 7/16 drill rod for 12 machines with 6 beds that mill and drill PCBoards. Use the roller blade bearings for larger machines that make signs
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine - pipes
2003-10-06 by Les Newell
I have worked on and built a few CNC machines and I would recommend supported rails rather than unsupported rods or pipe. You will be amazed by how much an
Re: [Homebrew_PCBs] HomeBrew CNC machine
2003-10-06 by Zoran A. Scepanovic
Hello Stefan, 05. October 2003, 12:48:56, you wrote: ST nice to hear there is some progress. ST your control setup sounds very interesting, but maybe a bit
Re: [Homebrew_PCBs] photoresist
2003-10-06 by Russell Shaw
... http://www.electrolube.com/product/techdata/eldata/PRP.DOC http://www.electrolube.com/product/techdata/eldata/PRP-OLD.DOC It works ok for me. Cleaning the
Re: [Homebrew_PCBs] photoresist
2003-10-06 by Leon Heller
... Electrolube used to make an aerosol resist, but I just checked their web site and couldn t find it: http://www.electrolube.com/ They changed the stuff a
Re: [Homebrew_PCBs] Re: dry film and laminator
2003-10-06 by Adam Seychell
... Does it oscillate side to side movement or is it spinning ? ... Is your pump a centrifugal or a diaphragm type ? Do you have a model number for the pump ?
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine
2003-10-06 by Tom Benedict
... As far as drill rod goes: There are some non-drilling machines at the place where I work that use drill rod as a bearing surface. It works, but it s prone
Re: photoresist
2003-10-06 by Ben H. Lanmon
... Believe GC Electronics makes some still. Go to GC/Waldom Dist. locator list. http://www.gcwaldom.com/locator.html Mouser www.mouser.com is a Dist. but
Re: PCB-CNC Design
2003-10-06 by Ben H. Lanmon
Myself I think that the topic of CNC PCB machines is a good topic for this list, as to the design, parts, and software. No I would not want this topic moved
Re: arrived - NOW TONER TRANSFER
2003-10-06 by Ben H. Lanmon
... worst case ... developer, and ... Get a Brand that list your type of printer if you use ink jets. Never use the Laser Transparencies, but have heard of
photoresist
2003-10-06 by Marc Rosales
Hi all, I would just like to ask where can buy the spray photoresist. I have been searching the web for quite some time and i can t find a web site that sells
Re: HomeBrew CNC machine
2003-10-06 by crankorgan
Stuart, Like I said the parts, Window Channel and Gas Pipe I use are only found in the US and Canada. John ... use ... drills ... screws for ... pitch of ...
Re: HomeBrew CNC machine
2003-10-06 by Dave Mucha
Even a metric leadscrew should not be a problem. Consider a coarse leadscrew of 16mm-2mm. (not sure of the exact thread numbering) Here in the States, we call
Re: dry film and laminator
2003-10-05 by roel_cnc
... the pcb oscillate about 10 cm 10 nozzles per side makes 20 off it volume off etch is about 25 liters i use the fe3 the brown fluid. the soldermask works
Re: HomeBrew CNC machine - pipes
2003-10-05 by Dave Mucha
... The problem with galvanized or cast pipes is that the surface is very rough. a few minutes with a file followed by some sandpaper can offer a smooth
Re: HomeBrew CNC machine - threads
2003-10-05 by Dave Mucha
There are lots of options. Turbo-CNC is only about $30.00 and will allow you to use a lot of variations. considder timing belts and pullys to change the ratio.
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine
2003-10-05 by Stuart Winsor
In article , ... Not entirely true. Here in the uk non-metric fasteners, taps, dies, drills etc are still readily available. :-) I
Re: [Homebrew_PCBs] dry film and laminator
2003-10-05 by Adam Seychell
... Roel, What type of etching solution do you use ? I assume everything is plastic, including the nozzles. A 1,5hp pump definitely is a good size. I was
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine
2003-10-05 by Stefan Trethan
but.. wouldn t it be cheaper to buy a cnc machine than 3 mopeds? just an idea ;-). sounds not easy to get for me..... st
Re: HomeBrew CNC machine
2003-10-05 by roel_cnc
just an idea- the inner tubes from an frontfork of a bike or moped are strong and strait if no accident was happen. they also chromed. ... which is ... balsa
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine
2003-10-05 by Stefan Trethan
so you want to say me the pipe is not exactly high precision? i find it hard to get big drill rod, could only locate 8mm dia. which is way too thin. i will
Re: HomeBrew CNC machine
2003-10-05 by crankorgan
Stefan, The Gas Pipe is used on my routers. They are used for cutting RC balsa parts and toys. The Brute model does PC stuff. It uses the aluminum window
Re: PCB-CNC Design - what files to feed the unit with for drilling
2003-10-05 by Dave Mucha
... drilling? ... if you ... excellon, ... In QCad, there is a drill file. I have only started to isolate the coordinates but hope to figure it out soon
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine
2003-10-05 by Stefan Trethan
John, thanks, but this is way of what i asked. i know there are other options, i know there is drill rod. but i hoped you may tell me which surface your gas
Re: PCB-CNC Design - what files to feed the unit with for drilling
2003-10-05 by crankorgan
Stefan, KCam at www.kellyware.com imports excellon drill files and it also does outline milling. It works in Windows. The motors run a little rough under
Re: [Homebrew_PCBs] Re: PCB-CNC Design - what files to feed the unit with for drilling
2003-10-05 by Stefan Trethan
I just wondered which files i would have to generate for cnc drilling? i mean for milling g-code seems to be standard (where i don t know if you have to
Re: HomeBrew CNC machine
2003-10-05 by crankorgan
Stefan, Drill Rod is cheap and very accurate. You will then need a bushing to ride on it. The bushing can be a block of nylon with a hole in it. The problem is
RE: [Homebrew_PCBs] Re: PCB-CNC Design and other recent discussions
2003-10-05 by Jan Kok
Thanks to Markus for your excellent description of how to make multilayer boards, and for your web pages about your through-hole plating machine. I also am
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine
2003-10-05 by Stefan Trethan
well, john, you said you are willing to discuss pcb mill here. so what i ask you to discuss maybe it the quality of rail surface. i saw some of your designs
Re: HomeBrew CNC machine
2003-10-05 by crankorgan
Markus Zingg, When I was nice, nobody read my warnings! I won t go into the frauds I was exposed to. The moment I dropped foreign orders 95% of my problems
Re: [Homebrew_PCBs] Re: HomeBrew CNC machine
2003-10-05 by Markus Zingg
Dear John First off, let me thank you for you response. I really very much apreciate it. I m very glad to hear that you aparently have good reasons why you are
Re: HomeBrew CNC machine
2003-10-05 by crankorgan
Markus Zingg, There is a reason I only ship to the US and Canada. I post the info in an offending mannor because people in other countries kept sending me
dry film and laminator
2003-10-05 by roel_cnc
... for ... not with (boiling)water - it wolnd be a dry film anymore :) I used in the past a aloy plate aprox. 30 mm thick and build a heater from a washing
Re: [Homebrew_PCBs] Re: arrived - NOW TONER TRANSFER
2003-10-05 by Stefan Trethan
... i know, what you see is never what you get.. believe me i have experienced this damn cad what are you doing and hmm works with pdf . which printer do
Re: arrived - NOW TONER TRANSFER
2003-10-05 by Dave Mucha
... possible). This is where I 888888888888888888888888888888888 jhn Sorry, cat walked on the keyboard.... This is where I was
Re: [Homebrew_PCBs] arrived - NOW TONER TRANSFER
2003-10-05 by Stefan Trethan
On Sun, 05 Oct 2003 15:34:26 -0000, Dave Mucha ... Why don t you spray on photoresist and expose it just like a pcb? I too didn t manage
Re: PCB-CNC Design
2003-10-05 by Dave Mucha
... it s ... Exactly. If a thing is worth doing, it is worth doing well. I was thinking that in depth discussion of machine design would be off topic for this
Re: [Homebrew_PCBs] Re: PCB-CNC Design
2003-10-05 by Markus Zingg
Hi Dave ... There is in genereal nothing I have against such a list and I of course apreciate your effort. However, I m not sure if it s really needed or such
Moving on - NOW TONER TRANSFER
2003-10-05 by Dave Mucha
... product I ... Radio ... can t find a ... mask from ... Sounds like you are looking for a beter toner transfer method ? From my experiances, a totally clean
Re: [Homebrew_PCBs] Re: PCB-CNC Design
2003-10-05 by Markus Zingg
... I m sure others are reading along. Remember, the point in time at which one decides to buy/build a CNC drilling machine obviouseyl differes. So, there are
Moving on (was Re: PCB-CNC Design)
2003-10-05 by Bert Greeley
Stefan wrote - Remember we started this over again not by ourselves. there was someone asking for i want to know about pcb cnc mill making . OK, how about
Re: [Homebrew_PCBs] Re: PCB-CNC Design
2003-10-05 by Stefan Trethan
Remember we started this over again not by ourselves. there was someone asking for i want to know about pcb cnc mill making . i would use your list, if steve
Re: [Homebrew_PCBs] PCB-CNC Design
2003-10-05 by Stefan Trethan
I m of the same opinion as markus. the edm,DRO, etc. group is too far away from where i am. I read in their archives but there are a lot of very specialized
Re: PCB-CNC Design
2003-10-05 by Dave Mucha
... while, ... I agree. the CCED list is GREAT for lots of stuff, but pcb guys are lost in the sea of technical stuff over there. I hope machine design does
Re: [Homebrew_PCBs] soldering chip carriers
2003-10-05 by Stefan Trethan
I m not sure how this looks like what you have. I might have seen it once on harddisks (but thought the plastic is removeable. or is it the type with the small