Re: re making a dxf into cam
2002-04-16 by crankorgan
Please tell the truth! You wanted the book along with the GCODE to mill the board. The last time we made a deal months ago you never sent your money. That s
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Re: Silkscreening PCB's
2002-04-16 by twb8899
Grant, The UV etch resist ink I use was made by LeaRonal in Freeport, NY but they are no longer around. They were bought out by another firm but I can t
Re: [Homebrew_PCBs] re making a dxf into cam
2002-04-16 by Tony Jeffree
Yeager Automation have a freeware DXF to G-Code converter called Ace: http://www.yeagerautomation.com/price.htm Kellyware s KCam will import DXF (amongst other
RE: [Homebrew_PCBs] re making a dxf into cam
2002-04-16 by Tim Goldstein
Yeager Automation (Maker of CNCPro) has a freeware DXF to Gcode converter called ACE Converter. Works for some people. www.YeagerAutomation.com You can also
re making a dxf into cam
2002-04-16 by marble_h
hi Group I am about to start to make a PCB board on a mill/engraver I have a dxf file how do one make it in to a cam program I tried to get the book from John
New file uploaded to Homebrew_PCBs
2002-04-16 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File : /Sign
New file uploaded to Homebrew_PCBs
2002-04-16 by Homebrew_PCBs@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Homebrew_PCBs group. File : /Sign
Re: Silkscreening PCB's
2002-04-15 by grantfair2001
Tom - many thanks for the great info! (I already sent a post to say thanks but it seems to have disappeared into Yahoo cyber la-la land). ... Is this ink from
Re: Silkscreening PCB's
2002-04-15 by twb8899
Hi Grant and the group, I use two types of silkscreening emulsions. They are Ulano CDF-4 and Autotype Five Star. Both of these are film types. Here are the web
Silkscreening PCB's
2002-04-15 by grantfair2001
Hi Tom - About 25 years ago I made a small number of silk screened PCB s at home. I would like to start making a few PCB s again with this process. I have
Re: PCB Milling machines
2002-04-15 by robasic
John, Thanks for the website and its great... I know what you mean about people because if THEY can t do it they seem to thank no one else can either. Great
Re: PCB Milling machines
2002-04-14 by crankorgan
Hi, I was the first person to provide a set of plans for a cheap PCBMill. I was told it can t be done! That was a year ago. www.kleinbauer.com/ If you have any
PCB Milling machines
2002-04-14 by robasic
Hello all, I see there has be some talk about PCB Milling machines, and I was wondering are there any plans so far? I would like to mill my PCB now as the
Re: [Homebrew_PCBs] Re: Plated Thru Hole at Home
2002-04-14 by Alexandre Domingos F. Souza
... It seems incredible, but in Brazil, boards are A LOT CHEAPER than USA. The same board you are talking about, costs around $20 for 10 boards ($20 all the 10
Pad-Trace-Pad
2002-04-13 by crankorgan
Hi All, Somebody asked me about traces that run between pads. This I feel is one of pitfalls of milling PCBs. See the photo in the KLEINBAUER folder. My new
Re: [Homebrew_PCBs] Re: is a CNC drill worth the money/effort ?
2002-04-13 by Steve Greenfield
It is there but in the Files section. I never really liked the Photos section but I guess I can get over it. ; ) You guys should go look at it, it is pretty
Re: [SeattleRobotics] More on soldering SMD devices
2002-04-13 by Steve Greenfield
I m not trimming my reply because I am forwarding this to the Homebrew_PCBs list. Wow! Nice videos. The hot air method looked pretty fast to me, and if you
Re: [Homebrew_PCBs] Re: is a CNC drill worth the money/effort ?
2002-04-13 by JanRwl@AOL.COM
I just realized perhaps the photo of my home-brew CNC PCB-drill is not ON this site, so here s a LINK to that photo, if anyone is interested:
Re: Die grinder at Harbor Freight
2002-04-12 by crankorgan
Hi Dwayne, I added a thin strip to each bearing. I was hoping one bearing was loose in the body. Looks like the wear on the commutator is causing the armature
Re: [Homebrew_PCBs] Re: Die grinder at Harbor Freight
2002-04-12 by Dwayne Reid
... You are probably right. Another possibility is that the armature may have become unbalanced. That will also show up as increased vibration as well as
Re: Die grinder at Harbor Freight
2002-04-12 by crankorgan
Dwayne, My Dremel passes that test. My runout shows up above 16,000 rpms. The bits are balanced so one of my bearings must be bad. I changed the collet and got
Re: [Homebrew_PCBs] Die grinder at Harbor Freight
2002-04-11 by Dwayne Reid
... Sorry - I should have said: measure both play and run-out WITH A DIAL INDICATOR when rotating the shaft by hand. I can measure deviation down to about
Re: [Homebrew_PCBs] Die grinder at Harbor Freight
2002-04-11 by Adam Seychell
... If you can see the out of roundness with your eye or feel play with your finders then its a pretty bad drill. I wouldn t trust it at all for carbide bits.
Re: [Homebrew_PCBs] Die grinder at Harbor Freight
2002-04-11 by Dwayne Reid
... That is probably the same as the unit I mentioned from Princess Auto. I think that its cheaper here in Canada, though ($30.00 Canadian vs $36.00 US). ...
Manual Drilling and CNC Ideas
2002-04-11 by twb8899
Here are some drilling machine ideas. I have a small high speed drill press that works great with carbide drill bits. For simple low volume jobs this drill
Manual Drilling and CNC Ideas
2002-04-11 by twb8899
Here are some drilling machine ideas. I have a small high speed drill press that works great with carbide drill bits. For simple low volume jobs this drill
Manual Drilling and CNC Ideas
2002-04-11 by twb8899
Here are some drilling machine ideas. I have a small high speed drill press that works great with carbide drill bits. For simple low volume jobs this drill
Manual Drilling and CNC Ideas
2002-04-11 by twb8899
Here are some drilling machine ideas. I have a small high speed drill press that works great with carbide drill bits. For simple low volume jobs this drill
Re: Die grinder at Harbor Freight
2002-04-11 by crankorgan
Hi Steve, Put a 1/8 bit in your motor tool. A ball mill is fine. Turn the tool on. Look at the tip of the bit as you increase the speed. You will see the tip
Die grinder at Harbor Freight
2002-04-11 by Steve Greenfield
How bout this little thing? Too much weight to put in a plotter, but maybe in a homebuilt router/engraver.
Q's on solder paste, desoldering braid, etc.
2002-04-11 by tedinoue
ok, so I ve read everything I can on smt soldering, got my Radio Shack desoldering system to convert to a hot air pencil, bought the Kester solder paste
PCB Milling Speed
2002-04-11 by crankorgan
Hi All, Just a quick note! With the Think and Tinker Bits you can get .0004 to .0006 of feedrate for every revolution of your spindle motor. So if you have
Re: is a CNC drill worth the money/effort ?
2002-04-11 by crankorgan
Hi Jan, I have the milling process put a starter hole in each pad during the milling process. Then I use a small drill press. I do several boards a week. I
Re: A Milled PCBoard
2002-04-11 by crankorgan
Hi Mike, Tapping a block of Delrin or PVC produces a nice tight nut for a hobby machine. Those long joining nut have less backlash than a small brass nut. The
Re: A Milled PCBoard
2002-04-11 by crankorgan
Hi Mike, I am using the 60 degree bit from Think and Tinker. I mill a little deeper than normal so my customers will have less problems soldering the board. My
Re: [Homebrew_PCBs] is a CNC drill worth the money/effort ?
2002-04-11 by Adam Seychell
... Fascinating, I bet. You pretty much answered my question. If its going to be used as a general tool then it could end up becoming indispensable for the
Re: [Homebrew_PCBs] is a CNC drill worth the money/effort ?
2002-04-11 by Tony Jeffree
... For me, it isn t so much accuracy & repeatability that is the issue (although for some purposes, that is important too) - I just can t work up enough
Re: [Homebrew_PCBs] is a CNC drill worth the money/effort ?
2002-04-11 by Adam Seychell
Hi Tim, The CNC will give you accuracy and repeatability without effort on your behalf. My question was is it worth money and effort building one of these
Re: [Homebrew_PCBs] Re: PCB Mill/Drill Project
2002-04-11 by Dwayne Reid
I have ... I have purchased a couple of high speed air powered die grinders from . They sell them 2 ways: individually (CAN $30.00) or
RE: [Homebrew_PCBs] is a CNC drill worth the money/effort ?
2002-04-11 by Tim Goldstein
To me the #1 thing that makes it worth the effort to drill a board on a CNC machine is being able to drop the parts straight into the homes and having all the
Re: [Homebrew_PCBs] is a CNC drill worth the money/effort ?
2002-04-11 by JanRwl@AOL.COM
Adam: For a board with more than, oh, 30 or 40 holes, I can actually do it FASTER by typing-in coordinates and then letting the machine do the work !
is a CNC drill worth the money/effort ?
2002-04-11 by Adam Seychell
I m curious why there is so much interest in hobbyists who make no more than couple of PCBs per week would need a CNC drilling machine to drill the holes. I
Re: A Milled PCBoard
2002-04-11 by n4onl
... the ... Hi John, nice looking board! Have you ever tried a smaller cutter and doing traces between DIP pins? I ve also read that a longer nut will reduce
Re: PCB Mill/Drill Project
2002-04-11 by n4onl
... [edited for size] ... is also important that if the calculations say X steps move the head 4 inches, that it not be 3.9 inches. Hi Steve, Dialing in that
Re: A Milled PCBoard
2002-04-10 by crankorgan
Hi Steve, I milled that one with a Brute. I orignally designed my mills so people would have a machine to learn on. Someone asked me if I could design a mill
Re: [Homebrew_PCBs] A Milled PCBoard
2002-04-10 by Steve Greenfield
Very nice. Here s a link, click on Kleinbauer : http://photos.groups.yahoo.com/group/Homebrew_PCBs/lst Was this done on a milling machine made from one of
A Milled PCBoard
2002-04-10 by crankorgan
Hi All. I uploaded a picture of a milled PCBoard to the photo area. The board was milled using a Dremel tool and a homemade milling machine. Milling speed 6
Re: [Homebrew_PCBs] Re: PCB Mill/Drill Project
2002-04-10 by Steve Greenfield
Here s a PDF from Don Lancaster s site that talks about using dental turbines in plotters: http://63.140.207.28/musev.pdf/hack76.pdf Steve Greenfield
Re: PCB Mill/Drill Project
2002-04-10 by crankorgan
Hi Steve, I am using 1/4-20 threaded rod with a tapped piece of Delrin for a drive nut. It s all relative. Even if the threaded rod is out ten thousands over a
Re: [Homebrew_PCBs] Re: PCB Mill/Drill Project
2002-04-10 by Steve Greenfield
... - ... Good point. Anyone have the answer? Repeatability I would imagine will be mostly affected by backlash and stiffness. Resolution by the thread pitch