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Re: Parser for RS-274X header.

2002-04-25 by crankorgan

Hi Hans, I have you listed on my links. I sent a few people your way. They come back saying they want a simpler design or a premade board. I won t get into the

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Re: Parser for RS-274X header.

2002-04-25 by crankorgan

Hi Alan, I sell 4 axis unipolar controllers. They are heavy duty. I kept getting asked to make a Bipolar board. So I added a L298 to my design. A simple cheap

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Re: Parser for RS-274X header.

2002-04-25 by Alan Marconett KM6VV

Hi John, Yeah, I remember when it was *Artwork* ! I ll try the .0125 grid. I take it you don t necessarily want anyone building the tit-for-tat? I suppose

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Re: Parser for RS-274X header.

2002-04-25 by crankorgan

Hi Alan, The Tit4Tat can run relays, stepping motors etc. It has lots of outputs and several inputs. These type boards are used by budding programers. Rather

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Re: Parser for RS-274X header.

2002-04-25 by Alan Marconett KM6VV

Hi John, I sent a copy to Dave, and I ve been to his site per a previous reference you made to him (His Mill Clone). I have ran the Gcode script with Eagle,

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Re: Parser for RS-274X header.

2002-04-25 by crankorgan

Alan, Two things! Run this past Dave Kush at: http://www.calweb.com/users/d/dnjinca/ Also, have you played with the SCRIPTS that are in Eagle. There is one

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Parser for RS-274X header.

2002-04-25 by Alan Marconett KM6VV

Hi to the Lists, I generated this demo RS-274X (Gerber) file header from Tci, a French PCB program (pardon my french). I ve had some of the parms explained

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Re: PICBASIC-L OT Wash-Up

2002-04-24 by crankorgan

Steve, I saw a company on TV that was using nonlead solder. For flux they were using Lemon juice. Board was defluxed with water. I think it was a PBS program.

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Re: PICBASIC-L OT Wash-Up

2002-04-24 by Steve Greenfield

Please feel free to join the Homebrew_PCBs mailing list and ask this question. I m forwarding it there, too. I don t require you to join to read the archives,

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Re: Gerber- Pads-PLT-Surprise

2002-04-24 by Alan Marconett KM6VV

Hi John, Thanks for the explanation. I guess I never thought of traces looking like cartoons! Big wide grounds are good to have. And yes, they would require

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Re: Gerber- Pads-PLT-Surprise

2002-04-24 by crankorgan

Alan, As you combine traces they get puffy and they start to look like cartoons rather than traces. Years ago (I am 50)each trace was a seperate pad trace pad.

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Re: Gerber- Pads-PLT-Surprise

2002-04-24 by Alan Marconett KM6VV

Hi John, Thanks for the reference to TCI! Generates Gerber 274X, but I can extract the apertures by hand (my code doesn t do that... yet). Is this the test

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Re: Gerber- Pads-PLT-Surprise

2002-04-24 by crankorgan

Hi Alan, Please note most people in the group will be using Kcam- TurboCad or Eagle. You seem to have a handle on the situation. The TCI program I got in the

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Gerber- Pads-PLT-Surprise

2002-04-23 by crankorgan

Hi Group, I made a test pcb in TCI3. I saved it as a Gerber file. I then put it in KCam. The round pads became eight sided shapes. Forty-two pads became over

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Re: Homemade PCB milling machine

2002-04-23 by crankorgan

Hi Steve, Dave is ok in my book! He was honest from the start. He just needed to know about milling bits and what programs to use. What is really scary is I

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Surplus chemicals- for etching?

2002-04-23 by Steve Greenfield

From another list I m on: Message: 18 Date: Tue, 23 Apr 2002 07:01:40 -0000 From: kmfdm_nil Subject: Try an IMEX Catalogue (should be

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Homemade PCB milling machine

2002-04-23 by crankorgan

Hi All, Here is a PCBMilling. Dave Kush built the machine by just loking at my website. I did give him some FREE info.

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Re: [Homebrew_PCBs] Cutting PC Board

2002-04-23 by JanRwl@AOL.COM

In a message dated 22-Apr-02 21:05:04 Central Daylight Time, JanRwl@AOL.COM ... OOPS! Correction! 30,000 FPM!!!!!!!!!!!! [Non-text portions of this message

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Re: [Homebrew_PCBs] Cutting PC Board

2002-04-23 by JanRwl@AOL.COM

In a message dated 21-Apr-02 23:21:13 Central Daylight Time, ... Perhaps not if you use a CARBIDE blade of at least 4 in dia. with a SFM of at least 400 FPM.

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Re: [Homebrew_PCBs] Cutting PC Board

2002-04-22 by Dwayne Reid

... I think you may be onto something here. Those saws cut fairly slow but that should not be a problem. The blade is more abrasive than saw-toothed - that

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Re: Cutting PC Board

2002-04-22 by twb8899

A diamond blade band saw for stained glass works good and a small scroll saw works even better if you can find the diamond blades. Many years ago I picked up a

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Re: [Homebrew_PCBs] Cutting PCBoard

2002-04-22 by Dwayne Reid

... Make sure you have a local saw sharpening outfit handy first if this is your only good blade. What I should have mentioned in my earlier message is that

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Re: Cutting PC Board

2002-04-22 by caveteursus

I cut my finished boards using a laminates blade on my Delta Contractor Saw. While this is a big saw, it very acurate and repeatable. I can also mount a

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Re: [Homebrew_PCBs] Cutting PC Board

2002-04-22 by milwiron@terrorbydesign.com

Hey All, I use a small bench shear but have been tempted to try a diamond tile saw from Home Depot. They look like small table saws but use a diamond coated

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Re: [Homebrew_PCBs] Cutting PC Board

2002-04-22 by Steve Greenfield

... I think High Speed Steel will wear out pretty quickly. Why not carbide tipped? I m kicking myself, there was a small 7 1/4 inch tablesaw at the thrift

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Cutting PC Board

2002-04-22 by grantfair2001

I was contemplating making a small table-saw style saw with a HSS slitting saw blade. Is that a plan doomed to failure? Grant

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Re: [Homebrew_PCBs] Cutting PCBoard

2002-04-22 by JanRwl@AOL.COM

In a message dated 21-Apr-02 21:30:53 Central Daylight Time, ... Adam: Know this! It may cut FR4 (G10, etc.) OK, if the blade is properly sharp and

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Re: [Homebrew_PCBs] Cutting PCBoard

2002-04-22 by Adam Seychell

... Hi, dwayne Well, if your experience shows there is no problem with table saws, then I should give it a try myself. The 60 tooth blade in my saw bench

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Fwd: Re: Small (desktop-sized) shear?

2002-04-22 by Steve Greenfield

... http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=34104 __________________________________________________ Do You Yahoo!? Yahoo! Games -

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Re: [Homebrew_PCBs] Cutting PCBoard

2002-04-21 by Dwayne Reid

... Gosh - I ve been using a radial arm saw to cut FR4 PCB material for at least 20 years. The blades are 10 carbide with 60 or more teeth. Nice clean cuts

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Re: [Homebrew_PCBs] Cutting PCBoard

2002-04-21 by Adam Seychell

Oh, I wouldn t use a table saw bench designed for woodwork. The circular blade is a way bit fast. My variable speed jigsaw does it well, but make sure you use

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Re: [Homebrew_PCBs] Cutting PCBoard

2002-04-20 by Steve Greenfield

I ve used my tablesaw. I have a carbide toothed blade in it. Kinda scary, though, as most boards are pretty small (the ones I make, anyway) so I usually end up

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Small (desktop sized) shear?

2002-04-20 by grantfair2001

Busy Bee (in Canada) sells an 8 wide shear for $245.00 Canadian, which is about $156.00 U.S. It goes on sale every so often for Can $200.00.

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Tool Depth-Cutting Depth

2002-04-20 by crankorgan

Hi All, When milling circuit boards there is depth setting. One is in the software and the other is how long you set the bit in the spindle. Even if you set

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Re: milling PCB Boards

2002-04-20 by crankorgan

Hi John, Use the ACE converter or KCam not both. KCam has an import box that will pull in a DXF. I suspect you forgot the cutting depth in ACE. Now KCam is

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Re: milling PCB Boards

2002-04-20 by crankorgan

Hi John, In KCam there is a TRAVEL DEPTH and a CUT DEPTH. Make sure these two numbers are set in your setup. When you import a DXF into KCam the cut will

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Re: [Homebrew_PCBs] ammonia etching

2002-04-20 by Zoran A. Scepanovic

Hello Adam, Saturday, April 20, 2002, 1:01:10 AM, you wrote: AS How is your success with CuCl2 + HCl ? What are the concentrations used ? This AS sounds like

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