Re: [Emc-users] Rapid Prototype for CNC mill
On Jul 27, 2012, at 10:10 AM, Jon Elson wrote: Not to mention no need for support material. Not true. In fact, that is about the only drawback to the DLP system, is there is no way to make a model with a different (soluble) support material. There are certainly some models that have separable parts or gaps in the parts that could use a support material. Proper layout of the build can sometimes overcome this by building at an angle. Hi Jon, I guess i should have said that it requires less support material since the fluid is there to support the area as it is cured. In other words, each layer is buoyant - unlike the plastic extrusion printers. The other drawback is the fixed number of pixels on the projector. A guy in England is working on using the spinning mirror from a laser printer, a powerful blue diode laser and a carriage to scan the raster down the vat to make a machine that has high resolution over a larger build area. His early tests look quite promising. But, he will have to develop custom electronics, probably using an FPGA, to modulate the laser to produce the raster. (It is possible to gut a laser printer and fudge the myriad sensor inputs, but it might be a lot easier to just start from scratch.) Yeah, the limited size is the main reason why I didn't consider funding the Kickstarter project. The build area at 100 microns is only 4x3 inches and only 2x1.5 at 50 microns. Using an HD projector would of course increase that size to an almost practical size (still 8x6 inches is pretty small). But going that route, I would be better off just building my own so I don't pay for two projectors. Now if I did jewelry, the stock size would be much more suitable. I wonder about using 4 HD projectors or would optical distortion along the edges be a problem? That would allow a roughly 15.5x11.6 build size at 100 microns. Best, Jeshua Lacock Founder/Engineer 3DTOPO Incorporated http://3DTOPO.com Phone: 208.462.4171 -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Rapid Prototype for CNC mill
On 28 July 2012 22:59, Jeshua Lacock jes...@3dtopo.com wrote: I wonder about using 4 HD projectors or would optical distortion along the edges be a problem? You could move the build platform around above the single projector. (or the projector under the platform) -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Rapid Prototype for CNC mill
On Jul 28, 2012, at 4:07 PM, andy pugh wrote: On 28 July 2012 22:59, Jeshua Lacock jes...@3dtopo.com wrote: I wonder about using 4 HD projectors or would optical distortion along the edges be a problem? You could move the build platform around above the single projector. (or the projector under the platform) Hi Andy, Great thought! It is so obvious too, can't believe I didn't think of it. I wonder if barrel distortion from the projector would still be a problem? I suppose if it was it could be compensated for in software - just like there is software to remove lens distortion from photos... Cheers, Jeshua Lacock Founder/Engineer 3DTOPO Incorporated http://3DTOPO.com Phone: 208.462.4171 -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
[Emc-users] tool table concerns
N232 M01 N234 T5 M6 N236 G0 G90 G54 X.7213 Y-1.068 S5704 M3 N238 G43 H5 Z.25 N240 Z.1 N242 G1 Z-.0167 F6.16 tool #5 not in tool library error ???/ I put this tool in the library , tried g10l1 and it tells me the same every time. it will not mdi a t5m6 for the same reason? im at a loss and any help would be appreciated thanx -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] tool table concerns
On 29 July 2012 00:54, jeremy youngs jcyoung...@gmail.com wrote: N232 M01 N234 T5 M6 N236 G0 G90 G54 X.7213 Y-1.068 S5704 M3 N238 G43 H5 Z.25 N240 Z.1 N242 G1 Z-.0167 F6.16 tool #5 not in tool library error ???/ I put this tool in the library Have you reloaded the tool table? tool.tbl is a short file, paste it into a message. -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Rapid Prototype for CNC mill
Jeshua Lacock wrote: I guess i should have said that it requires less support material since the fluid is there to support the area as it is cured. In other words, each layer is buoyant - unlike the plastic extrusion printers. OK, in a sense, yes. The cured material will be about the same density as the uncured resin, but everything needs to be tied together as the build platform breaks the model free from the vat floor and raises it one layer thickness. Yeah, the limited size is the main reason why I didn't consider funding the Kickstarter project. The build area at 100 microns is only 4x3 inches and only 2x1.5 at 50 microns. Using an HD projector would of course increase that size to an almost practical size (still 8x6 inches is pretty small). But going that route, I would be better off just building my own so I don't pay for two projectors. Now if I did jewelry, the stock size would be much more suitable. I wonder about using 4 HD projectors or would optical distortion along the edges be a problem? That would allow a roughly 15.5x11.6 build size at 100 microns. To my knowledge, no DIY type has done this. I think one of the commercial units either shifts the projector or moves the image with a mirror to get higher resolution. Jon -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
Re: [Emc-users] Rapid Prototype for CNC mill
On 29 July 2012 01:41, Jon Elson el...@pico-systems.com wrote: I think one of the commercial units either shifts the projector or moves the image with a mirror to get higher resolution. I am really good at inventing stuff. One of these days I will invent something for the first time :-) -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto -- Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ ___ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
