Re: Has any tried to tilt the boards?
2002-05-26 by crankorgan
Jan, The Dremel only costs $59 verses your $400 solution. Please note this is the Homebrew PCB conference. Cost is everything! It may be possible to find a
Messages
Browse messages
Page 695 of 707 · 35337 messages matched
Re: [Homebrew_PCBs] Re: Has any tried to tilt the boards?
2002-05-26 by JanRwl@AOL.COM
In a message dated 26-May-02 06:09:15 Central Daylight Time, ... Correction, if I dare: The epoxy is merely easy-to-cut plastic stuff ! It is the GLASS
Re: etching methods
2002-05-26 by twb8899
Randy, You could also try using hydrogen peroxide and sulfuric acid as an etchant. The mixture is 10% hydrogen peroxide (35% grade) and 15% sulfuric acid
Re: Has any tried to tilt the boards?
2002-05-26 by crankorgan
Fred, It might be cheaper and simpler to use a dental drill, the new kind that shoots grit instead of using a drill. The problem with Mechanical Etching is the
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-26 by Simon Whitehead
TLA = Three Letter Acronym ;-) -- Simon Whitehead s.whitehead@iee.org
Re: [Homebrew_PCBs] Has any tried to tilt the boards?
2002-05-26 by JanRwl@AOL.COM
In a message dated 25-May-02 23:34:30 Central Daylight Time, ... No benefit at all! The hassle involved would vastly exceed any imagined benefit !
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-26 by HW
I like the idea of PCB jigsaw puzzles :-) hansw ... [Non-text portions of this message have been removed]
Has any tried to tilt the boards?
2002-05-26 by IMService
Has anyone worked out a tilting table that could be used to tilt the PC boards, and then to use the corner of a flat end mill? You would have to cut the
Re: LPKF and Z axis
2002-05-26 by crankorgan
Hi Russ, Check out the Scratch and Etch method a few weeks back. A board coated and the pattern is scratched away using a plotter. Then it is etched. John
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-26 by Russell
... I d think a laser powerful enough to melt copper (might need black anti-reflection coating), would cause charring of the substrate. If it was powerful
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-26 by HW
John, Thanks for all the links. I had one of them from before. There is so much stuff on scanners and building lasers. What I m looking for a a place that will
Re: LPKF and Z axis
2002-05-26 by crankorgan
Hans, Check this one. http://www.repairfaq.org/sam/lasercon.htm John ... the ... in ... and ... Service.
Re: LPKF and Z axis
2002-05-26 by crankorgan
Hans, http://wwwx.netheaven.com/~simple3d/ http://www.andruslaser.com/laser/laser.htm I will keep looking....the site might be gone. John ... the ... in ...
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hi Hans, I am in New Jersey. The area I am in is very populated. Any type of problem causes the area to grid lock. I walk everywhere! There was a laser site on
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-25 by HW
John, Laser sounds interesting. I think what I would need is a source for the laser and it s control electronics, the rest I can myself... Do you have any
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hans, Texas has some good scrap plastic places. I got lucky, there is a place that will sell me scrap within walking distance. The catch is they took the
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-25 by HW
Houston, Texas ... [Non-text portions of this message have been removed]
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hans, Where are you located? Texas? I keep thinking Germany for some reason. John Conrad Kleinbauer
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hi Hans, A ballmill or burr as my local guy calls them work. That s how I started. I used a steel Dremel bit. It went about 12 before it became dull. I then
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-25 by HW
Thanks .. he has some good deals.. hansw ... [Non-text portions of this message have been removed]
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-25 by HW
John, Sure I think Delrin is a wonderful material. I looking forward to the fall when hopefully I ll have some time to do my own projects. I ve been watching
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hi Hans, In Ebay, check out hman16 auctions. He is based in Florida. He sells scrap plastic. John ... using ... on. ... Service.
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-25 by HW
Alan, I found it a while back and like the fact they have prices... Good prices also.. Hans W ... ADVERTISEMENT ... [Non-text portions of this message have
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hi Hans, I find Delrin is worth the extra cost. UMB has me stumped. I have trouble getting clean edges. PVC make the best bed for holding circuit boards. It
Re: LPKF and Z axis
2002-05-25 by Alan Marconett KM6VV
Hi Hans, Thanks for the URL. All you ever wanted to know about plastics! Alan KM6VV
Re: [Homebrew_PCBs] Re: LPKF and Z axis
2002-05-25 by HW
I just checked out a whole bunch of this kind of material and using this size for comparison 12 x12 X0.25 prices range from $6.00 to $600.00
Re: [Homebrew_PCBs] DynaArt Designs
2002-05-25 by Alan Marconett KM6VV
Hi Steve, I ll have to take a closer look at the next LaserJet I disassemble! Alan KM6VV
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hi Alan, I just bought a new Dremel multipro a few weeks back. It does 30,000 without breaking a sweat. My first Multipro developed some runout that comes and
Re: [Homebrew_PCBs] DynaArt Designs
2002-05-25 by Steve Greenfield
I don t see why not. Those metallic films for laser printers tell you to just feed it back through your laser printer to attach it to the toner. So maybe an
Re: LPKF and Z axis
2002-05-25 by Alan Marconett KM6VV
Hi John, Yeah, UMB is like nylon. It would be a good surface to work on. There is also that dense foam I mentioned, another TLA (three letter acronym) that I
Re: LPKF and Z axis
2002-05-25 by Alan Marconett KM6VV
Hi John, I have a Dremel tool adapter for my Sherline mill, which is CNC. The Sherline is for CNC, not PCB s, as they would have to be less then 3 wide on my
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hi Alan, One of my customers was making things out of a cutting board. Seems some of them are white UMB plastic. UMB acts like nylon. I think it s UMB? So many
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hi Alan, I don t mind the short life of the tool, its the cost. The bits are $7 each when you buy ten and you have to buy ten! I am milling at 6 per minute
Re: [Homebrew_PCBs] DynaArt Designs
2002-05-25 by Alan Marconett KM6VV
Hi Scott, I just had a thought, why couldn t one use the fuser parts out of a laser printer to do the same job as the unit they re selling? Same idea, move
Re: LPKF and Z axis
2002-05-25 by Alan Marconett KM6VV
Hi John, Thanks for the comments. I hadn t looked for PVC on ebay. Should be a lot cheaper to ship then BRASS! I have some Plexiglas, but I doubt if that is
Re: [Homebrew_PCBs] DynaArt Designs
2002-05-25 by HW
Scott, I tried something similar, and most likely it was the same stuff. Their claim to being able to do 0.006 is in IMHO is not attainable on a consistent
DynaArt Designs
2002-05-25 by Scott Hendershot
Is anyone using the DynaArt Designs system for creating PCBs? http://www.dynaart.com/ It sounds good on paper (monitor phosphors) but I m wondering how it
Re: [Homebrew_PCBs] etching methods
2002-05-25 by JanRwl@AOL.COM
Randy: I m no chemist, and I use Ferric Chloride, but I THINK the other stuff is AMMONIUM persulfate! BUT... For all I know, perhaps sodium- or
Re: LPKF and Z axis
2002-05-25 by crankorgan
Hi Alan, I only buy scrap PVC 1/4 thick grey. There is a guy on Ebay who sells several 18 X 18 pieces for around $10 plus shipping. I have picked up some
etching methods
2002-05-25 by Randy Knutson
Greetings! I have a question for everyone concerning the wet method of printed circuit boards. I was wondering what other types of etchants are available
Re: LPKF and Z axis
2002-05-25 by Alan Marconett KM6VV
Hi John, Where do you get the PVC, other then a plastics store? Anything I missed? I think there is a TAP plastics in San Jose, CA. The L picks up two
Re: LPKF and Z axis
2002-05-24 by crankorgan
Hi Alan, I mount a 8 X 8 piece of 1/4 PVC to my bed using four flat head 10-32 bolts. I run the machine with an old Mechanical Etching bit in it. I cut a
Re: LPKF and Z axis
2002-05-24 by Alan Marconett KM6VV
Hi John, Good tips! When you bolt your boards down, how much deviation is left? I just looked at LPKF (again, for the 1000th time), and they are VERY precise!
Re: LPKF and Z axis
2002-05-24 by crankorgan
Hi Alan, I see that! I use the heads of 2-56 bolts to hold my boards down. The ones I buy are cuped foil side up. They are 4 X 6 . The bolts go into a piece
LPKF and Z axis
2002-05-24 by Alan Marconett KM6VV
Hi Listies, Some activity on the CCED list about LPKF and holding PCB s down to mill them. Anyone here have the LPKF system?
Re: [Homebrew_PCBs] Test
2002-05-24 by Doug Hale
And the rest of us are intrested in less mundane matters.
Re: [Homebrew_PCBs] Test
2002-05-24 by JanRwl@AOL.COM
In a message dated 24-May-02 00:56:26 Central Daylight Time, ... Oh, yes! And three or four of us seem to know which side of the copper gets applied to the
Re: [Homebrew_PCBs] Test
2002-05-24 by Steve Greenfield
Yep. I think we re all just busy. Steve ... ===== Steve Greenfield // Digital photo scanning, retouching, Polymorph Digital Photography // and
Test
2002-05-24 by Daryl Owen
I this group still here???? Daryl
PCB Design Service Bureau Seeking Contracts
2002-05-16 by mhowell777
Howell Electronic Services Offering 18 years experience engineering design & prototyping, Orcad schematic capture, footprint creation and pcb layout services.