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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
Posted to rec.crafts.metalworking
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LinuxCNC config help...
Iggy? John? Anyone want to help a bit with my configuration for a lathe? I'm using the Mesa 5i25 / 7i76 combination and have much of it working, but some various things to sort out. So much of the docs I find are hopelessly incomplete, poorly written, not updated in 2-3 years, etc. This should / would be relatively easy if the docs weren't so bad. I'm running the latest 2.6.3 package installed from a USB drive onto a SSD disk in a reasonably fast PC. Thanks, Pete C. PS: Once the lathe is sorted the next project will be to retrofit the mill with a 5i25 / 7i77 combo and add 4th axis. I acquired a super-spacer that will make a decent 4th if I can find a good servo motor and encoder for it. |
#2
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LinuxCNC config help...
On Mon, 15 Sep 2014 18:42:53 -0500, "Pete C."
wrote: Iggy? John? Anyone want to help a bit with my configuration for a lathe? if you don't get help here, try CNCzone.com. Lots of linux heads there. I'm a regular on one forum, Camsoft. karl |
#3
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LinuxCNC config help...
Karl Townsend wrote: On Mon, 15 Sep 2014 18:42:53 -0500, "Pete C." wrote: Iggy? John? Anyone want to help a bit with my configuration for a lathe? if you don't get help here, try CNCzone.com. Lots of linux heads there. I'm a regular on one forum, Camsoft. karl I've looked there as well as the LinuxCNC.org forum and still haven't found good references. The LinuxCNC.org forum doesn't seem to be posting properly either. |
#4
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LinuxCNC config help...
Karl Townsend wrote: On Mon, 15 Sep 2014 18:42:53 -0500, "Pete C." wrote: Iggy? John? Anyone want to help a bit with my configuration for a lathe? if you don't get help here, try CNCzone.com. Lots of linux heads there. I'm a regular on one forum, Camsoft. karl BTW, suggestions on the software end for lathe code? I use TurboCAD, and have been using SheetCAM for milling. |
#5
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LinuxCNC config help...
I am sorry that I am of no help, I forgot everything, my machine is
till working but I cannot advise on any new set-up i On 2014-09-16, Karl Townsend wrote: On Mon, 15 Sep 2014 18:42:53 -0500, "Pete C." wrote: Iggy? John? Anyone want to help a bit with my configuration for a lathe? if you don't get help here, try CNCzone.com. Lots of linux heads there. I'm a regular on one forum, Camsoft. karl |
#6
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LinuxCNC config help...
On 2014-09-16, Pete C. wrote:
Karl Townsend wrote: On Mon, 15 Sep 2014 18:42:53 -0500, "Pete C." wrote: Iggy? John? Anyone want to help a bit with my configuration for a lathe? if you don't get help here, try CNCzone.com. Lots of linux heads there. I'm a regular on one forum, Camsoft. karl I've looked there as well as the LinuxCNC.org forum and still haven't found good references. The LinuxCNC.org forum doesn't seem to be posting properly either. is working, I think |
#7
Posted to rec.crafts.metalworking
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LinuxCNC config help...
BTW, suggestions on the software end for lathe code? I use TurboCAD, and have been using SheetCAM for milling. I pretty much hand code lathes. Almost no such thing as a complex gcode for lathe. I do use a program called NCplot to give me a gcode of the final profile. It imports a .dxf file and outputs gcode. You have to edit in tool changes etc. but its quick 'n easy on a lathe. i should add, I pretty much hand code mills too. just how I was brought up. My son is a professional user of Mastercam and Tebis, if I ever needed it. Maybe you should get Tebis, its purdy good. Cost is only $80K plus $2K a quarter for support. Karl |
#8
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LinuxCNC config help...
Karl Townsend wrote: BTW, suggestions on the software end for lathe code? I use TurboCAD, and have been using SheetCAM for milling. I pretty much hand code lathes. Almost no such thing as a complex gcode for lathe. I do use a program called NCplot to give me a gcode of the final profile. It imports a .dxf file and outputs gcode. You have to edit in tool changes etc. but its quick 'n easy on a lathe. i should add, I pretty much hand code mills too. just how I was brought up. My son is a professional user of Mastercam and Tebis, if I ever needed it. Maybe you should get Tebis, its purdy good. Cost is only $80K plus $2K a quarter for support. Karl I definitely don't hand code for CNC text engraving... |
#9
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LinuxCNC config help...
I definitely don't hand code for CNC text engraving... Yep, I just tryed my CAD to NCplot and that don't work. I don't have a way to engrave without asking my son to do it. |
#10
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LinuxCNC config help...
"Pete C." wrote in message
... I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. -jsw |
#11
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LinuxCNC config help...
On Tue, 16 Sep 2014 07:44:59 -0500, Karl Townsend
wrote: BTW, suggestions on the software end for lathe code? I use TurboCAD, and have been using SheetCAM for milling. I pretty much hand code lathes. Almost no such thing as a complex gcode for lathe. I do use a program called NCplot to give me a gcode of the final profile. It imports a .dxf file and outputs gcode. You have to edit in tool changes etc. but its quick 'n easy on a lathe. i should add, I pretty much hand code mills too. just how I was brought up. My son is a professional user of Mastercam and Tebis, if I ever needed it. Maybe you should get Tebis, its purdy good. Cost is only $80K plus $2K a quarter for support. That's a per-_seat_ cost, right? -- Resolve to be thyself: and know, that he who finds himself, loses his misery. -- Matthew Arnold |
#12
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LinuxCNC config help...
On 16/09/14 14:13, Pete C. wrote:
Karl Townsend wrote: BTW, suggestions on the software end for lathe code? I use TurboCAD, and have been using SheetCAM for milling. I pretty much hand code lathes. Almost no such thing as a complex gcode for lathe. I do use a program called NCplot to give me a gcode of the final profile. It imports a .dxf file and outputs gcode. You have to edit in tool changes etc. but its quick 'n easy on a lathe. i should add, I pretty much hand code mills too. just how I was brought up. My son is a professional user of Mastercam and Tebis, if I ever needed it. Maybe you should get Tebis, its purdy good. Cost is only $80K plus $2K a quarter for support. Karl I definitely don't hand code for CNC text engraving... Years ago I used an obscure Windows API function GetGlyphOutline () IIRC, back in 3.1 days, to do a basic TrueType font to G code program and it basically worked although I had been given the wrong details for the Z direction so had it reversed. We tried it with the guy that had asked me to do it and showed that it worked in principal but he got rid of the machine the next day so didn't have any more opportunity to correct the Z issue and test. The function was very badly documented and a Windows guru said as much in his writings but hidden in the depths of the MSDN documentation was the details of how to use it correctly from the guru IIRC, the standard Windows API info didn't give up that secret. I think I still have the C source code around if you're interested. I have subsequently used the same basic code and added it into a PCB program I wrote to allow the generation of PCBs with TrueType based fonts to be done with Gerber or HPGL. IIRC I have recently seen a Linux program that does TT to HPGL or G Code but can't think of the name but have seen it a few time before so not likely hard to find. |
#13
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LinuxCNC config help...
Ignoramus3745 wrote: On 2014-09-16, Pete C. wrote: Karl Townsend wrote: On Mon, 15 Sep 2014 18:42:53 -0500, "Pete C." wrote: Iggy? John? Anyone want to help a bit with my configuration for a lathe? if you don't get help here, try CNCzone.com. Lots of linux heads there. I'm a regular on one forum, Camsoft. karl I've looked there as well as the LinuxCNC.org forum and still haven't found good references. The LinuxCNC.org forum doesn't seem to be posting properly either. is working, I think Nope, I sent email there, and subscribed to the list as well, and it's not showing up. WTF? Every so called support site for LinuxCNC seems to be pure crap. |
#14
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LinuxCNC config help...
On 2014-09-17, Pete C. wrote:
Ignoramus3745 wrote: On 2014-09-16, Pete C. wrote: Karl Townsend wrote: On Mon, 15 Sep 2014 18:42:53 -0500, "Pete C." wrote: Iggy? John? Anyone want to help a bit with my configuration for a lathe? if you don't get help here, try CNCzone.com. Lots of linux heads there. I'm a regular on one forum, Camsoft. karl I've looked there as well as the LinuxCNC.org forum and still haven't found good references. The LinuxCNC.org forum doesn't seem to be posting properly either. is working, I think Nope, I sent email there, and subscribed to the list as well, and it's not showing up. WTF? Every so called support site for LinuxCNC seems to be pure crap. I received four messages on that list, today. i |
#15
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LinuxCNC config help...
Ignoramus20222 wrote: On 2014-09-17, Pete C. wrote: Ignoramus3745 wrote: On 2014-09-16, Pete C. wrote: Karl Townsend wrote: On Mon, 15 Sep 2014 18:42:53 -0500, "Pete C." wrote: Iggy? John? Anyone want to help a bit with my configuration for a lathe? if you don't get help here, try CNCzone.com. Lots of linux heads there. I'm a regular on one forum, Camsoft. karl I've looked there as well as the LinuxCNC.org forum and still haven't found good references. The LinuxCNC.org forum doesn't seem to be posting properly either. is working, I think Nope, I sent email there, and subscribed to the list as well, and it's not showing up. WTF? Every so called support site for LinuxCNC seems to be pure crap. I received four messages on that list, today. i I don't know what happened to the first post I made, but the second one finally made it through. Then I of course ran into the issue of the daily message limit per IP on my mail server and missed a few before I increased that setting 10X. At least I could read the missed ones on sourceforge. |
#16
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LinuxCNC config help...
"Pete C." wrote: Ignoramus20222 wrote: On 2014-09-17, Pete C. wrote: Ignoramus3745 wrote: On 2014-09-16, Pete C. wrote: Karl Townsend wrote: On Mon, 15 Sep 2014 18:42:53 -0500, "Pete C." wrote: Iggy? John? Anyone want to help a bit with my configuration for a lathe? if you don't get help here, try CNCzone.com. Lots of linux heads there. I'm a regular on one forum, Camsoft. karl I've looked there as well as the LinuxCNC.org forum and still haven't found good references. The LinuxCNC.org forum doesn't seem to be posting properly either. is working, I think Nope, I sent email there, and subscribed to the list as well, and it's not showing up. WTF? Every so called support site for LinuxCNC seems to be pure crap. I received four messages on that list, today. i I don't know what happened to the first post I made, but the second one finally made it through. Then I of course ran into the issue of the daily message limit per IP on my mail server and missed a few before I increased that setting 10X. At least I could read the missed ones on sourceforge. Definitely better response on the mail list, though despite the help I ended up identifying the spindle control issue myself. Looks like it might be a bug in PnCConf too. Progress at any rate, axes working (still need to tune for optimum), homing working, now spindle control working... |
#17
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LinuxCNC config help...
Jim Wilkins wrote: "Pete C." wrote in message ... I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge. |
#18
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LinuxCNC config help...
"Michael A. Terrell" wrote in message
m... Jim Wilkins wrote: "Pete C." wrote in message ... I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. I knew Wayne Green at the time, from Mensa, and he never said anything about it. When I went to Mitre I became his bad example of someone who 'hid' in the Military-Industrial Complex instead of continuing to risk my fortunes in private enterprise. -jsw |
#19
Posted to rec.crafts.metalworking
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LinuxCNC config help...
Jim Wilkins wrote: "Michael A. Terrell" wrote in message m... Jim Wilkins wrote: "Pete C." wrote in message ... I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. I knew Wayne Green at the time, from Mensa, and he never said anything about it. It was in one of his editorials about early personal computing, before you bought something off the shelf. He also talked about adapting CD players into a method to distribute programs. BTW a lot of his magazines are on http://www.archive.org where you can download them for free. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge. |
#20
Posted to rec.crafts.metalworking
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LinuxCNC config help...
"Michael A. Terrell" wrote in message
m... Jim Wilkins wrote: "Michael A. Terrell" wrote in message m... Jim Wilkins wrote: "Pete C." wrote in message ... I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. I knew Wayne Green at the time, from Mensa, and he never said anything about it. It was in one of his editorials about early personal computing, before you bought something off the shelf. He also talked about adapting CD players into a method to distribute programs. BTW a lot of his magazines are on http://www.archive.org where you can download them for free. Yeah, we discussed putting software CDs in the magazine. I didn't think they would survive the mails unless protected by corrugated cardboard. He did, and was right. My homebrew computer could read only Teletype tape or its own 600 baud FSK cassette tapes so I had to manually type in the magazine's programs anyway. The genesis of 3D printing was the piezoelectric ink jet that accurately shot out tiny well-controlled single spherical drops of 125C molten plastic. It took a lot of time and effort to learn how to do that, instead of multiple or wildly wobbling drops of varying size. The basic idea is as simple and obvious (and crude) as piling up drops of wax or hot-melt glue. -jsw |
#21
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LinuxCNC config help...
On 9/23/2014 1:47 AM, Michael A. Terrell wrote:
Jim Wilkins wrote: "Pete C." wrote in message ... I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. The First 3-D machine that made large models was in the Show on MECHANICAL Engineering - and Big Machines - in Santa Clara convention center in 2000, maybe 2001. I was visiting the MITS Carbide booth and it was across the isle. They had a model printing out during the show and it was ready for the foundry once verified by the customer. Very expensive. It was in a hard wax. Not Bee or the like. It wasn't the first time out of the bag for them, but I don't know how long. I was the Eng Manager, DRAM , NA and had a friend in Carbide I wanted to visit. Scored a badge and got a few samples :-) Ah the old days - early PC-XT and Laser Printer - 86 as I recall - came out of Canada think tank... Martin |
#22
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LinuxCNC config help...
Martin Eastburn wrote: On 9/23/2014 1:47 AM, Michael A. Terrell wrote: Jim Wilkins wrote: "Pete C." wrote in message ... I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. The First 3-D machine that made large models was in the Show on MECHANICAL Engineering - and Big Machines - in Santa Clara convention center in 2000, maybe 2001. I was visiting the MITS Carbide booth and it was across the isle. They had a model printing out during the show and it was ready for the foundry once verified by the customer. Very expensive. It was in a hard wax. Not Bee or the like. It wasn't the first time out of the bag for them, but I don't know how long. I was the Eng Manager, DRAM , NA and had a friend in Carbide I wanted to visit. Scored a badge and got a few samples :-) Ah the old days - early PC-XT and Laser Printer - 86 as I recall - came out of Canada think tank... Wayne Greene was talking about the idea in the '70s or '80s. Back when a PC was built from scratch, or surplus mini/mainframe junk. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge. |
#23
Posted to rec.crafts.metalworking
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LinuxCNC config help...
Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: "Pete C. wrote: I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. I knew Wayne Green at the time, from Mensa, and he never said anything about it. It was in one of his editorials about early personal computing, before you bought something off the shelf. He also talked about adapting CD players into a method to distribute programs. BTW a lot of his magazines are on http://www.archive.org where you can download them for free. Yeah, we discussed putting software CDs in the magazine. I didn't think they would survive the mails unless protected by corrugated cardboard. He did, and was right. My homebrew computer could read only Teletype tape or its own 600 baud FSK cassette tapes so I had to manually type in the magazine's programs anyway. At one time he talked about shipping software on LP vinyl records. The genesis of 3D printing was the piezoelectric ink jet that accurately shot out tiny well-controlled single spherical drops of 125C molten plastic. It took a lot of time and effort to learn how to do that, instead of multiple or wildly wobbling drops of varying size. The basic idea is as simple and obvious (and crude) as piling up drops of wax or hot-melt glue. -jsw -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge. |
#24
Posted to rec.crafts.metalworking
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LinuxCNC config help...
"Michael A. Terrell" wrote in message
... Martin Eastburn wrote: On 9/23/2014 1:47 AM, Michael A. Terrell wrote: Jim Wilkins wrote: "Pete C." wrote in message ... I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. The First 3-D machine that made large models was in the Show on MECHANICAL Engineering - and Big Machines - in Santa Clara convention center in 2000, maybe 2001. I was visiting the MITS Carbide booth and it was across the isle. They had a model printing out during the show and it was ready for the foundry once verified by the customer. Very expensive. It was in a hard wax. Not Bee or the like. It wasn't the first time out of the bag for them, but I don't know how long. I was the Eng Manager, DRAM , NA and had a friend in Carbide I wanted to visit. Scored a badge and got a few samples :-) Ah the old days - early PC-XT and Laser Printer - 86 as I recall - came out of Canada think tank... Wayne Greene was talking about the idea in the '70s or '80s. Back when a PC was built from scratch, or surplus mini/mainframe junk. And people were talking about flight long before Wilbur and Orville, but they get the credit because they made it work. |
#25
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LinuxCNC config help...
"Michael A. Terrell" wrote in message
... Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: "Pete C. wrote: I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. I knew Wayne Green at the time, from Mensa, and he never said anything about it. It was in one of his editorials about early personal computing, before you bought something off the shelf. He also talked about adapting CD players into a method to distribute programs. BTW a lot of his magazines are on http://www.archive.org where you can download them for free. Yeah, we discussed putting software CDs in the magazine. I didn't think they would survive the mails unless protected by corrugated cardboard. He did, and was right. My homebrew computer could read only Teletype tape or its own 600 baud FSK cassette tapes so I had to manually type in the magazine's programs anyway. At one time he talked about shipping software on LP vinyl records. I vaguely remember a discussion about mailing test samples back to himself to see what would survive the handling. |
#26
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LinuxCNC config help...
Jim Wilkins wrote: "Michael A. Terrell" wrote in message ... Martin Eastburn wrote: On 9/23/2014 1:47 AM, Michael A. Terrell wrote: Jim Wilkins wrote: "Pete C." wrote in message ... I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. The First 3-D machine that made large models was in the Show on MECHANICAL Engineering - and Big Machines - in Santa Clara convention center in 2000, maybe 2001. I was visiting the MITS Carbide booth and it was across the isle. They had a model printing out during the show and it was ready for the foundry once verified by the customer. Very expensive. It was in a hard wax. Not Bee or the like. It wasn't the first time out of the bag for them, but I don't know how long. I was the Eng Manager, DRAM , NA and had a friend in Carbide I wanted to visit. Scored a badge and got a few samples :-) Ah the old days - early PC-XT and Laser Printer - 86 as I recall - came out of Canada think tank... Wayne Greene was talking about the idea in the '70s or '80s. Back when a PC was built from scratch, or surplus mini/mainframe junk. And people were talking about flight long before Wilbur and Orville, but they get the credit because they made it work. He described the process, but he called it a 'Santa Claus Machine' instead of a 3D printer. He had enough on his hands with the magazines. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge. |
#27
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LinuxCNC config help...
Jim Wilkins wrote: "Michael A. Terrell" wrote in message ... Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: "Pete C. wrote: I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. I knew Wayne Green at the time, from Mensa, and he never said anything about it. It was in one of his editorials about early personal computing, before you bought something off the shelf. He also talked about adapting CD players into a method to distribute programs. BTW a lot of his magazines are on http://www.archive.org where you can download them for free. Yeah, we discussed putting software CDs in the magazine. I didn't think they would survive the mails unless protected by corrugated cardboard. He did, and was right. My homebrew computer could read only Teletype tape or its own 600 baud FSK cassette tapes so I had to manually type in the magazine's programs anyway. At one time he talked about shipping software on LP vinyl records. I vaguely remember a discussion about mailing test samples back to himself to see what would survive the handling. The logistics for compiling software collections and making LPs, distributing them, then feeding them into computers in place of cassette tapes was very cumbersome. Also, wanting to sell them retail would take up a lot of shelf space in stores when compared to Cassettes. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge. |
#28
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LinuxCNC config help...
"Michael A. Terrell" wrote in message
... Jim Wilkins wrote: "Michael A. Terrell" wrote in message ... Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: "Pete C. wrote: I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. I knew Wayne Green at the time, from Mensa, and he never said anything about it. It was in one of his editorials about early personal computing, before you bought something off the shelf. He also talked about adapting CD players into a method to distribute programs. BTW a lot of his magazines are on http://www.archive.org where you can download them for free. Yeah, we discussed putting software CDs in the magazine. I didn't think they would survive the mails unless protected by corrugated cardboard. He did, and was right. My homebrew computer could read only Teletype tape or its own 600 baud FSK cassette tapes so I had to manually type in the magazine's programs anyway. At one time he talked about shipping software on LP vinyl records. I vaguely remember a discussion about mailing test samples back to himself to see what would survive the handling. The logistics for compiling software collections and making LPs, distributing them, then feeding them into computers in place of cassette tapes was very cumbersome. Also, wanting to sell them retail would take up a lot of shelf space in stores when compared to Cassettes. The distribution we discussed was CDs (etc) in packets glued to the back cover of Byte, containing the programs described in that issue. -jsw |
#29
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LinuxCNC config help...
Jim Wilkins wrote: The genesis of 3D printing was the piezoelectric ink jet that accurately shot out tiny well-controlled single spherical drops of 125C molten plastic. It took a lot of time and effort to learn how to do that, instead of multiple or wildly wobbling drops of varying size. The basic idea is as simple and obvious (and crude) as piling up drops of wax or hot-melt glue. -jsw Sometime in the 2nd half of the 80s, on one of my visits to MIT, I was taken across campus by my host and shown a project he was consulting on: A 3D printer jury rigged from a dot matrix printer, a computer or two and a mare's nest of tubes and cables. They were experimenting with several media but when I was there, they were using tiny metal spherules, laying down strata consisting of a pattern of glue followed by a uniform layer of metal powder, one line at a time. The result, after excess, unglued powder removal, was sintered and then permeated by osmosis with a different low-melting point metal. Biggest object would about fit in a 4" or 5" cube. I have no idea whether those guys are all millionaires now or if they shingled off onto the fog and the big bucks landed elsewhere. -- Mike Spencer Nova Scotia, Canada |
#30
Posted to rec.crafts.metalworking
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LinuxCNC config help...
Jim Wilkins wrote: "Michael A. Terrell" wrote in message ... Jim Wilkins wrote: "Michael A. Terrell" wrote in message ... Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: "Pete C. wrote: I definitely don't hand code for CNC text engraving... I spent close to a year hand-coding the common office fonts for this ink jet printer, one dot at a time. http://tinyurl.com/q8aalpm The thick ink buildup around lab ink-jet test fixtures inspired 3D printing. Before, or after Wayne Green discussed the idea in his magazines? It was either in early issues of Byte, or in 73. I knew Wayne Green at the time, from Mensa, and he never said anything about it. It was in one of his editorials about early personal computing, before you bought something off the shelf. He also talked about adapting CD players into a method to distribute programs. BTW a lot of his magazines are on http://www.archive.org where you can download them for free. Yeah, we discussed putting software CDs in the magazine. I didn't think they would survive the mails unless protected by corrugated cardboard. He did, and was right. My homebrew computer could read only Teletype tape or its own 600 baud FSK cassette tapes so I had to manually type in the magazine's programs anyway. At one time he talked about shipping software on LP vinyl records. I vaguely remember a discussion about mailing test samples back to himself to see what would survive the handling. The logistics for compiling software collections and making LPs, distributing them, then feeding them into computers in place of cassette tapes was very cumbersome. Also, wanting to sell them retail would take up a lot of shelf space in stores when compared to Cassettes. The distribution we discussed was CDs (etc) in packets glued to the back cover of Byte, containing the programs described in that issue. That was years after his idea of using LPs. He had also suggested using CDs in place of cassttes or records in analog format, which would have been quite wasteful. -- Anyone wanting to run for any political office in the US should have to have a DD214, and a honorable discharge. |
#31
Posted to rec.crafts.metalworking
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LinuxCNC config help...
On 2014-10-12, Michael A. Terrell wrote:
Jim Wilkins wrote: Michael A. Terrell wrote: Jim Wilkins wrote: [ ... ] I knew Wayne Green at the time, from Mensa, and he never said anything about it. It was in one of his editorials about early personal computing, before you bought something off the shelf. He also talked about adapting CD players into a method to distribute programs. BTW a lot of his magazines are on http://www.archive.org where you can download them for free. Yeah, we discussed putting software CDs in the magazine. I didn't think they would survive the mails unless protected by corrugated cardboard. He did, and was right. My homebrew computer could read only Teletype tape or its own 600 baud FSK cassette tapes so I had to manually type in the magazine's programs anyway. At one time he talked about shipping software on LP vinyl records. Not just *talked* about it. There were a very few programs shipped on the flexible records bound into magazines. They assumed a specific audio cassette interface -- which usually was incomplatable with mine -- and a specific CPU (which usually was not my MC6800. :-) Enjoy, DoN. -- Remove oil spill source from e-mail Email: | (KV4PH) Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
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