Re: Cut FR4 with a band saw?
2010-04-15 by James
... You would probably want water mist or flow to keep the dust down. Perhaps one of those cheap little desk fountain pumps with a dishpan under the cutting
Messages
Browse messages
Page 207 of 707 · 35337 messages matched
Re: [Homebrew_PCBs] Re: First Masque Transfer PCB (it no worky)
2010-04-15 by Chris Maness
... I went to my local $.99 store and purchased a cheap picture frame w/ two pieces of glass. I used two plastic spring loaded clamps to hold my PCB sandwich
Re: [Homebrew_PCBs] Re: First Masque Transfer PCB (it no worky)
2010-04-15 by Leon Heller
... When I used a laser printer for transparencies I got good results with tracing paper. I have heard of people putting cooking oil onto artwork printed on
Re: Cut FR4 with a band saw?
2010-04-15 by awakephd
It might do a fine job of cutting, and if you use carbide bits you would probably get decent life. But I hate to think about all the dust!!!
Re: First Masque Transfer PCB (it no worky)
2010-04-15 by James
... You don t even need transparencies. I ve used ordinary laser printer paper, a friend of mine has better results using tracing paper and laser printing on
Re: [Homebrew_PCBs] First Masque Transfer PCB (it no worky)
2010-04-15 by Chris Maness
... Yea!! It worked. I used my laser printer at work with standard OH transparency sheets. It came out very dark and contrasty. This time exposed for 4:30s
Re: Developer ate my circuit image - HELP!
2010-04-15 by James
... Yes, it certainly will. Try 4-5 minutes with a 15W fluorescent. I m fond of those U-shaped tubes for bug zappers, they re unfiltered (/BL) blacklights and
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-15 by Alessio Sangalli
... Something like: http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=97336 ??? bye as
Re: [Homebrew_PCBs] Developer ate my circuit image - HELP!
2010-04-15 by Leon Heller
... Over exposure, probably. Leon -- Leon Heller G1HSM
Re: Cut FR4 with a band saw?
2010-04-15 by James
... That s pretty nifty. Another approach that might work is to use a shaft and some ball bearings with a gear or belt drive to a motor mounted under the
Developer ate my circuit image - HELP!
2010-04-15 by Steve Maroney
Hey Guys, new here to the group and I love it. I ve tried the Toner Transfer method a few times and wasn t happy with the inconsistent results, so I tried the
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-15 by Roland F. Harriston
P.S: An outstanding job! Overkill for just cutting PCB stock IMHO, but nevertheless, good design and craftsmanship. Roland F. Harriston, P.D.
Re: Cut FR4 with a band saw?
2010-04-15 by Paul Symansky
Hi guys, Since we re talking about cutting FR4, I thought I would share my creation with you. I made a small PCB table saw. View from the top:
Re: LPKF 93s
2010-04-15 by James
... This is easy, pop the drives out and image them using one of those cheap USB to IDE converters, or stick them in a slightly newer PC with multiple IDE
Re: [Homebrew_PCBs] Re: LPKF 93s
2010-04-15 by John Michaud
Excellent - I have all the original software and serial numbers... Ya I have a several PCs to choose from here and all with dedicated serial ports. I ll give
Re: [Homebrew_PCBs] Re: LPKF 93s
2010-04-15 by Trevor White
Well copying the drive or not, you need a faster machine because the processsing of gerber data through CircuitCam used to take an age. On modern PCs it takes
Re: [Homebrew_PCBs] Re: LPKF 93s
2010-04-15 by John Michaud
Ah - Yes that is a thought I would need to boot with a floppy since there is no CD-ROM installed. I suppose I could ghost it over the LAN and see if that
Re: [Homebrew_PCBs] Re: LPKF 93s
2010-04-15 by Dylan Smith
... There are several options for you. The hard discs, I suspect, are IDE drives and will probably be readable by any pre-SATA PC motherboard. You can boot the
Re: [Homebrew_PCBs] Re: LPKF 93s
2010-04-15 by John Michaud
Trevor - Yes the old PC is a 486DX system that is running a very old version of CircuitCam/Boardmaster on a Windows 3.11 platform. The PC runs but I m so
Re: [Homebrew_PCBs] Re: LPKF 93s
2010-04-15 by Trevor White
Hi. Well I think your best bet is to sort out the original software. There is a lot to learn with these machines and the software that comes with them has a
Re: Cut FR4 with a band saw?
2010-04-15 by bebx2000
Try Harbor Freight, http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=97336 Baxter
Re: Cut FR4 with a band saw?
2010-04-15 by sailingto
I ve used a scroll saw with wood blades, but boy was it hard on blades and hard to hold straight line. I finally got a paper cutter and it works pretty good
Re: [Homebrew_PCBs] Re: LPKF 93s
2010-04-15 by John Michaud
I have the machine with the original PC and software circa 1997 - I ve never operated the machine and I cannot move the software to a newer machine the way the
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-15 by Roland F. Harriston
I ll butt in and mention that you can get several varieties of carbine scribes at (of all places) Amazon.Com. Some are very inexpensive, a few bucks, some are
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Alessio Sangalli
... interesting, but I could not find it on the Edmund Scientific site. Do you have a picture or a link where it is depicted? bye as
Re: LPKF 93s
2010-04-14 by Trevor
Hi, what do you want to know. I have an LPKF machine. Trev
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Alessio Sangalli
... Ok, but where did you get yours? How much does it cost? Do you have a picture or a link? bye as
LPKF 93s
2010-04-14 by John Michaud
Anyone have any experience running a LPKF CNC machine? [Non-text portions of this message have been removed]
Re: New here
2010-04-14 by James
... I don t recall the precise temperature, but I think it was close to 300F. I tried a transfer and got great results, pretty much just buttoned it up and
Re: Cut FR4 with a band saw?
2010-04-14 by James
... I ve been using a hacksaw with some scraps of wood clamped in a bench vise as a guide, works ok so far. I ve cut it on a bandsaw before, but it s awfully
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Greg Kutzbach
For a nice straight cut I would think a high speed router would work very well. For that matter, you could use a router to make crazy cuts too. I d go for a
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by kabowers@NorthState.net
... Same here. I use a blade designed for cutting metal. A 1/8 10-tooth wood blade isn t the way to go. As far as keeping the cuts straight use the widest
Re: Cut FR4 with a band saw?
2010-04-14 by awakephd
My experience is different from others have responded -- I cut the board with a band saw, and have not had any problem with blade life. Cuts very fast and no
Re: Cut FR4 with a band saw?
2010-04-14 by Hal
... You really need a diamond blade as FR4 is glass. A glass cutting band saw like the Taurus 3 should work for irregular shapes too. Try Glasscrafters or
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Roland F. Harriston
Now that I am retired and no longer have access fine facilities, I use a carbide-tipped hand tool (scribe) that I believe I purchased from Edmund Scientific or
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Wayne
... This works. Wayne
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Roland F. Harriston
Band saws were designed specifically from scrolling, curved, complex work, not straight-edge cuts. And, it costs a bit to replace a band saw blade. I don t
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Piers Goodhew
... Line break in the URL, try this: http://3.ly/EOe6
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Eddie Stassen
... I use a carbide tipped laminate scoring cutter, which works *really* well. Its far sturdier than a glass cutter. I suspect the glass cutter will be ok,
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Alessio Sangalli
... I have that same ruler, and a clamp , etc. No, when the boards are thick and double copper and double-face it s a nightmare. I ve done many boards and the
Re: Cut FR4 with a band saw?
2010-04-14 by daemons_ca
... Thats the method I use. Works very well but you need to use a metal ruler (I use a thick metal square, something like this
Re: New here
2010-04-14 by daemons_ca
... mean about the SMT resistors. ... white is return(common), black is 3mil, and brown 5mil. ... resistance the hotter? ... get using that? Did you disconnect
Re: [Homebrew_PCBs] Cut FR4 with a band saw?
2010-04-14 by DJ Delorie
I ve used bandsaw, scroll saw, tin snips, a razor, and even a reground table saw blade (for v-scoring). The scroll saw does the best job quality-wise, but
Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?
2010-04-14 by Alessio Sangalli
... This is a really good info. Right now I am using an utility knife to score both sides and snap it:
Re: Cut FR4 with a band saw?
2010-04-14 by bebx2000
Steve, I use a 4 diamond saw (QEP 60084A 4-Inch Portable Wet Saw). Home Depot current price $52.00. The last time I used it I didn t even bother using water,
Re: [Homebrew_PCBs] Cut FR4 with a band saw?
2010-04-14 by Harvey White
... It can work well, but the following things can happen: 1) glass PCB can eat your blade 2) cutting a straight line can be iffy I use a shear. For odd
Cut FR4 with a band saw?
2010-04-14 by Steve
There have been discussions from time to time on this reflector about techniques for cutting PCB material. I don t recall having seen mention of a band saw.
Re: New here
2010-04-14 by James
... That s an interesting article, lots of good info. Keep in mind that there are *many* different types of metal halide lamps, each with different spectral
Re: New here
2010-04-14 by James
... It works out of the box, but modifying it did make a noticeable improvement. The temperature sensor looks like a diode but is actually a thermistor, the
Re: New here
2010-04-14 by James
... It s been a while since I ve had it open so I forget some of the details but the pins were labeled on the silkscreen and the one I used was HH which I