Re: [Emc-users] Youtube 5axis cutting an impeller

2013-04-12 Thread Rudy du Preez
I have uploaded to videos on YouTube showing the cutting of an impeller with Linuxcnc using the XYZACkins that I wrote (on the Wiki). The videos are not very professional, and the 5axis setup is just a test of functionality, using two rotary tables, one mounted on the other. The machine is a

Re: [Emc-users] Youtube 5axis cutting an impeller

2013-04-12 Thread Andrew
Great! What is your CAM? Andrew Andrew http://parallelrobots.blogspot.com/ 2013/4/12 Rudy du Preez r...@asmsa.co.za I have uploaded to videos on YouTube showing the cutting of an impeller with Linuxcnc using the XYZACkins that I wrote (on the Wiki). The videos are not very professional,

Re: [Emc-users] A project I want to do on a CNC mill

2013-04-12 Thread Walt Scrivens
inkscape makes this easy in Linux. with the gcodetools extension, producing the g-code is a snal too. Walt On Apr 11, 2013, at 10:10 PM, jeremy youngs jcyoung...@gmail.com wrote: just get a picture with something of KNOWN size in it raster it in a vector program ( photoshop will do this )

Re: [Emc-users] Youtube 5axis cutting an impeller

2013-04-12 Thread Sebastian Kuzminsky
On 04/12/2013 12:12 AM, Rudy du Preez wrote: I have uploaded to videos on YouTube showing the cutting of an impeller with Linuxcnc using the XYZACkins that I wrote (on the Wiki). The videos are not very professional, and the 5axis setup is just a test of functionality, using two rotary

Re: [Emc-users] Youtube 5axis cutting an impeller

2013-04-12 Thread jeremy youngs
did backlash cause any issues with the rotaty tables? On Fri, Apr 12, 2013 at 2:12 AM, Rudy du Preez r...@asmsa.co.za wrote: I have uploaded to videos on YouTube showing the cutting of an impeller with Linuxcnc using the XYZACkins that I wrote (on the Wiki). The videos are not very

Re: [Emc-users] Poor CV

2013-04-12 Thread Viesturs Lācis
2013/4/12 Kenneth Lerman kenneth.ler...@se-ltd.com On 4/10/2013 5:01 PM, andy pugh wrote: On 10 April 2013 21:50, dave dengv...@charter.net wrote: No panacea anywhere in sight. Something I saw somewhere on the Internet (possibly a link from mah) was an article about different

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread Jon Elson
Gene Heskett wrote: Humm, now that you mention that, I read something similar on the net a few years agom from somebody at Gecko. Could have been the same person I'd have to assume. Mariss is the designer and owner of Gecko, and an awesome engineer. Which is 17 amps more than my

Re: [Emc-users] A project I want to do on a CNC mill

2013-04-12 Thread Ed Nisley
On 04/11/2013 11:20 PM, Gregg Eshelman wrote: The radius of the points of the triangles is given as 0.228 inch I read it as 0.22R, which is almost exactly half the 0.438 DIA given for the holes. Using 0.438/2 would be Close Enough, methinks. That'd be fun to construct on a 3D printer... one

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread Gene Heskett
On Friday 12 April 2013 13:36:59 Jon Elson did opine: Gene Heskett wrote: Humm, now that you mention that, I read something similar on the net a few years agom from somebody at Gecko. Could have been the same person I'd have to assume. Mariss is the designer and owner of Gecko, and an

Re: [Emc-users] A project I want to do on a CNC mill

2013-04-12 Thread Gene Heskett
On Friday 12 April 2013 13:40:54 Ed Nisley did opine: On 04/11/2013 11:20 PM, Gregg Eshelman wrote: The radius of the points of the triangles is given as 0.228 inch I read it as 0.22R, which is almost exactly half the 0.438 DIA given for the holes. Using 0.438/2 would be Close Enough,

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread andy pugh
On 12 April 2013 18:40, Gene Heskett ghesk...@wdtv.com wrote: I don't have that on the mill, very limited space to install, and a very dirty environment inside the gear case. Lots of flying grease. Which doesn't help, and may hinder because grease deteriorates some plastics, I've lost the

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread Gene Heskett
On Friday 12 April 2013 14:43:55 andy pugh did opine: On 12 April 2013 18:40, Gene Heskett ghesk...@wdtv.com wrote: I don't have that on the mill, very limited space to install, and a very dirty environment inside the gear case. Lots of flying grease. Which doesn't help, and may hinder

Re: [Emc-users] Poor CV

2013-04-12 Thread Chris Radek
On Fri, Apr 12, 2013 at 06:54:10PM +0300, Viesturs L??cis wrote: Am I missing something or s-curve velocity profile, which means also implemented jerk limits has been developed by Araisrobo and is already in joints_axes branch? IIRC the problem for this not being ready for mainstream is lack

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread andy pugh
On 12 April 2013 19:45, Gene Heskett ghesk...@wdtv.com wrote: Steel replacements exist: http://www.littlemachineshop.com/products/product_view.php?ProductID=345 3category= That is for the next bigger mill, Some of us have hobbing equipment and can make gears. -- atp If you can't fix it,

Re: [Emc-users] Youtube 5axis cutting an impeller

2013-04-12 Thread Marius Liebenberg
I see Rudy is not answering. As far as I know he used Mastercam for the CAM generation. On 2013/04/12 08:32 AM, Andrew wrote: Great! What is your CAM? Andrew Andrew http://parallelrobots.blogspot.com/ 2013/4/12 Rudy du Preez r...@asmsa.co.za I have uploaded to videos on YouTube

Re: [Emc-users] Youtube 5axis cutting an impeller

2013-04-12 Thread Andrew
2013/4/12 Marius Liebenberg mar...@mastercut.co.zahttps://mail.google.com/mail/?view=cmfs=1tf=1to=mar...@mastercut.co.za I see Rudy is not answering. As far as I know he used Mastercam for the CAM generation. Marius, thanks for your reply! The next question is which post was used. It's not

Re: [Emc-users] Youtube 5axis cutting an impeller

2013-04-12 Thread Stuart Stevenson
Yes, Master cam post can do 5 axis. On Apr 12, 2013 3:27 PM, Andrew parallel.kinemat...@gmail.com wrote: 2013/4/12 Marius Liebenberg mar...@mastercut.co.za https://mail.google.com/mail/?view=cmfs=1tf=1to=mar...@mastercut.co.za I see Rudy is not answering. As far as I know he used

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread Gene Heskett
On Friday 12 April 2013 18:45:02 andy pugh did opine: On 12 April 2013 19:45, Gene Heskett ghesk...@wdtv.com wrote: Steel replacements exist: http://www.littlemachineshop.com/products/product_view.php?ProductID= 345 3category= That is for the next bigger mill, Some of us have

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread andy pugh
On 12 April 2013 23:55, Gene Heskett ghesk...@wdtv.com wrote: Some of us have hobbing equipment and can make gears. Maybe, but thats a lot of work for someone with little return no noise reduction. I do it for fun. But you will be appalled at the noise increase. Belt drive probably is the

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread Gene Heskett
On Friday 12 April 2013 21:26:22 andy pugh did opine: On 12 April 2013 23:55, Gene Heskett ghesk...@wdtv.com wrote: Some of us have hobbing equipment and can make gears. Maybe, but thats a lot of work for someone with little return no noise reduction. I do it for fun. But you will

[Emc-users] Will LinuxCNC work with this motor and controller kit?

2013-04-12 Thread Gregg Eshelman
Driver board, 4 motors and power supply. DB25 for parallel port, looks like a DE9 for limit switches and e-stop, third connector for manual control unit. http://www.ebay.com/itm/200592694416 Going to do the cable drive on the pattern follower torch, need something that'll work with LinuxCNC.

Re: [Emc-users] Will LinuxCNC work with this motor and controller kit?

2013-04-12 Thread jeremy youngs
no experience with this but when doing my studies i found several bits of bad p.r for the tb6560 driver . maybe others with experience with them can chime in. also as an integrated driver if one section goes bad you are repaing the whole board or replacing it . with discreet drives you keep an

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread Jon Elson
Gene Heskett wrote: I don't have that on the mill, very limited space to install, and a very dirty environment inside the gear case. Lots of flying grease. Which doesn't help, and may hinder because grease deteriorates some plastics, I've lost the hubs out of 2 of those nylon gears now.

Re: [Emc-users] Closed loop stepping system

2013-04-12 Thread Gene Heskett
On Saturday 13 April 2013 00:13:15 Jon Elson did opine: Gene Heskett wrote: I don't have that on the mill, very limited space to install, and a very dirty environment inside the gear case. Lots of flying grease. Which doesn't help, and may hinder because grease deteriorates some