RE: [Homebrew_PCBs] Small (desktop-sized) shear?
2002-04-20 by Tim Goldstein
Try http://www.useenco.com/pdfs/120.PDF Same as the shear below for a lot less $$. Cuts PCBs like they were butter. Tim [Denver, CO]
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RE: [Homebrew_PCBs] Re: re making a dxf into cam OT
2002-04-20 by Daryl Owen
John Can we please stop this non-sense. I getting a headache reading all this stuff, that has little or no value to what this group is about. So if anyone
Fwd: FW: [SeattleRobotics] Small (desktop-sized) shear?
2002-04-20 by Steve Greenfield
... http://www.fdjtool.com/store/showitem.asp?Cat=75&item=SH908&store=5 ... ===== Steve Greenfield // Digital photo scanning, retouching,
Re: milling PCB Boards
2002-04-20 by marble_h
... good ... and ... do not
milling PCB Boards
2002-04-20 by marble_h
To the smarter minds then My self . Ok here is what I have done so far I have taken the .dfx files and removed all the fill that was in it and left only the
Re: Cutting PCBoard
2002-04-20 by crankorgan
Well Steve, I think you hit a home run with that idea! After the bit does a large board it s just about shot. Having it mill a spliting line is doable at the
Re: [Homebrew_PCBs] Cutting PCBoard
2002-04-19 by Steve Greenfield
I m figuring that with your milling setup, you could have another pass, set to cut deeper, then just snap them along that line. Of course, from what you say
Re: [Homebrew_PCBs] ammonia etching
2002-04-19 by Adam Seychell
... Thanks Zoran for your reply. It so happens that I need to selectively etch copper and not attack tin metal. Ammonia/sulfate etchant can magically do this
Re: [Homebrew_PCBs] Cutting PCBoard
2002-04-19 by Adam Seychell
Have you tried using a jigsaw with a tungston carbide tooth blade ?
Re: re making a dxf into cam OT
2002-04-19 by crankorgan
Hi Tim, Well a business is suppose tomakes money. A nonprofit is suppose to break even. Now what about my baby? I put the incomming money into more parts to
Cutting PCBoard
2002-04-19 by crankorgan
Steve, I use precut surplus PCB stock. I think I saw on Think and Tinker that the Mechanical Etching bits can be used to scribe and snap board. I have a
Re: [SeattleRobotics] Small (desktop-sized) shear?
2002-04-19 by Steve Greenfield
I saw a website where someone just took a dremel and fiber cutting wheel, mounted the dremel over the top of the board and then just pushes the board
Mechanical Etching Bit
2002-04-19 by crankorgan
Hi All, I uploaded a picture of a Mechanical Etching Bit to the folder KLEINBAUER in the Photos section. The bit is a 60 degree carbide. The tip is sharper and
Re: [Homebrew_PCBs] ammonia etching
2002-04-19 by Zoran A. Scepanovic
Hello Adam, Friday, April 19, 2002, 5:04:15 AM, you wrote: AS Has anyone out there done copper etching with ammonia AS hydroxide and copper sulfate solution
Re: [Homebrew_PCBs] drill size for PCB
2002-04-19 by JanRwl@AOL.COM
In a message dated 18-Apr-02 11:00:31 Central Daylight Time, ... John: In MY opinion, even 1/16 is much too big for MOST things, other than, maybe, the leads
ammonia etching
2002-04-19 by Adam Seychell
Has anyone out there done copper etching with ammonia hydroxide and copper sulfate solution ? I m interested in learning new ways of making the ammonical
Re: drill size for PCB
2002-04-18 by n4onl
... Yes, thats the site. mike
Re: [Homebrew_PCBs] DXF file of PCB
2002-04-18 by Tony Jeffree
... The trick is to generate the toolpath with the necessary offset built in. If you re working from DXF files generated in a CAD system, there is usually a
Re: DXF file of PCB
2002-04-18 by crankorgan
Hi, I do my PCBs in TurboCad. I only use KCAM to convert the DXF to GCode. I control the milling path in TurboCad. I uploaded an example of a real DXF to this
Re: drill size for PCB
2002-04-18 by crankorgan
Hi, I answered this one but it got lost in Yahoo. The DXF file causes the Milling Bit to put a tiny dot in each pad. The dot is only as deep as you mill. This
Re: [Homebrew_PCBs] DXF file of PCB
2002-04-18 by milwiron@terrorbydesign.com
Hey John, One minor problem I ve found with KCam is the lack of tool path offset, the cutter C/L now follows the edge of a design element such as a trace or
Re: [Homebrew_PCBs] drill size for PCB
2002-04-18 by Steve Greenfield
... What? What? Who? Where? This one? http://www.pilotltd.net/cnc.htm Doncha love Google? Time to add this one to the bookmarks. Steve Greenfield
Re: drill size for PCB
2002-04-18 by crankorgan
Hi, Don t get confused. The milling bit only makes a tiny starting hole in each pad. A mechanical etching bit is tiny on the end. Some people put a tiny circle
drill size for PCB
2002-04-18 by marble_h
What is the most common size dill bit used in PCB work ? John I noticed that in your G-code that you used the same size bit for both millimg and drilling what
Re: DXF file of PCB
2002-04-18 by crankorgan
Steve, After you open the file. Turn on your GRID. Set it for .025 X .025. Notice how the connector does not line up. The ICs have a spacing of .1 while the
Re: DXF file of PCB
2002-04-18 by crankorgan
Hi Tim, That s a Tit4Tat board. You can run stepper or relays with it. A Piker is a Step/Direction board. The Tit4Tat has single outputs. You can use it to
RE: [Homebrew_PCBs] DXF file of PCB
2002-04-18 by Steve Greenfield
... I opened it in CorelDraw 8, looks great! Steve Greenfield __________________________________________________ Do You Yahoo!? Yahoo! Tax Center - online
Re: [Homebrew_PCBs] Re: DXF file of PCB
2002-04-18 by Alan Marconett KM6VV
Thanks John, Tim got it OK, and will send a copy. I suspect I had a bad download; happened about 6 mo ago too! Alan KM6VV
Re: [Homebrew_PCBs] DXF file of PCB
2002-04-18 by Alan Marconett KM6VV
Hi Tim, Thanks, it might have been my download (this happened before)! Alan KM6VV
RE: [Homebrew_PCBs] DXF file of PCB
2002-04-18 by Tim Goldstein
Here is the G-code output of it from Vector. Guess we can all start milling our own Piker boards courtesy of John. Tim [Denver, CO] N10 G00 X1.850 Y0.775
Re: DXF file of PCB
2002-04-18 by crankorgan
Alan, Try Corel. Paintshop will display it. If you import it into KCam you can step through the GCODE and see it mill the board. The overlap of the trace can
re OT
2002-04-18 by marble_h
Steve you are right and it will not happen again this group is way to helpfull to me and others that are just learning how to make PCB s this thread was not
RE: [Homebrew_PCBs] DXF file of PCB
2002-04-18 by Tim Goldstein
It opened just fine for me in Vector. I am on build 9.3.050 I will e-mail you the file in Vector format off list. Tim [Denver, CO]
Re: [Homebrew_PCBs] DXF file of PCB
2002-04-18 by Alan Marconett KM6VV
Hi John, Just downloaded titfortat. Vector CAD/CAM didn t like it. Intellicad and FlashCut crashed. Thoughts? I ll have to get to another machine to try
DXF file of PCB
2002-04-18 by crankorgan
Hi All, I just uploaded a small PCBoard I did in TurboCad. It is a pure DXF that can be imported into KCam or other GCODE converters. If you import the file
Re: [Homebrew_PCBs] Milling Circuit Boards
2002-04-18 by Steve Greenfield
... Very cool. Now if only he ll finish the Electronics Kiosk part of his site! I d like to read about his projects. Steve Greenfield
New file uploaded to Homebrew_PCBs
2002-04-18 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 :
OT take it off the list, please
2002-04-18 by Steve Greenfield
If you have questions related to PCBs including asking members about their plans (free or for money) please feel free to ask them on the list. For
Re: re making a dxf into cam(reply to John )
2002-04-17 by marble_h
Hi john Ok here we go the last time we talked last year I asked you about your mill and the book on how to mill boards . A week after we talked I had to take
Milling Circuit Boards
2002-04-17 by crankorgan
Hi All, Here is a link of a person who mills circuits boards. His machine is built out of old printers. http://www.geocities.com/fneagu/ John
Re: [Homebrew_PCBs] Re: re making a dxf into cam
2002-04-17 by Tim Goldstein
John, Based upon Enron, Kmart, and many others making money is not the deciding factor in whether you are a business. You offer a product for sale. That makes
OT Arguement was Re: [Homebrew_PCBs] Re: re making a dxf into cam
2002-04-17 by Steve Greenfield
OK, I think this has run it s course. Officially OT now. Steve, the moderator __________________________________________________ Do You Yahoo!? Yahoo! Tax
Re: Silkscreening PCB's
2002-04-17 by twb8899
Grant, Use a solvent to clean the screen but do it outside! Acetone solvents work good and seem to make less odor. The lye or caustic solution is only used to
Re: re making a dxf into cam
2002-04-17 by crankorgan
Tony, What you did was a stunt! I have a tax number and I keep records of every sale. But I am nonprofit. I retired at 37 and I am now an old man of 50. I
Re: [Homebrew_PCBs] Re: re making a dxf into cam
2002-04-17 by Tony Jeffree
John - Rather an extreme reaction when all I was doing was offering you sound (and free!) advice. Don t knock it. Ask any successful salesman & he/she will
Re: re making a dxf into cam
2002-04-17 by crankorgan
Tony, I don t run a company. This is a hobby! I offer my plans to people who want them. When people ask lots of questions, seem unsure, or pull a stunt. I
Re: [Homebrew_PCBs] Re: re making a dxf into cam
2002-04-17 by Tony Jeffree
John - Rule No.1 ... However bad you think your customers are, never slag them off in public. Rationale: Makes potential customers that may be listening in
Re: Silkscreening PCB's
2002-04-16 by grantfair2001
Tom, thanks for the excellent information again. I already have a litre of some black Inktech satin poster ink (and a gal. of wash up ), which someone advised
Wow!
2002-04-16 by alienrelics
As of yesterday we re up to 208 members! Steve Greenfield
Re: [Homebrew_PCBs] PCB Milling machines
2002-04-16 by Russell
Search on google to find thousands of em. Also see: http://www.desktopcnc.com