Re: [Emc-users] Preview on a robot arm

2011-06-04 Thread Sven Wesley
> > > Yes, You saw correctly - there is only one Hiwin rail with 2 blocks. I > wanted one more rail some 200 - 300 mm lower for increased stiffness, > but the client rejected that idea, because that would cost too much. > The thing is that the frame already was done, when I joined the > project, so

Re: [Emc-users] Preview on a robot arm

2011-05-23 Thread Viesturs Lācis
2011/5/23 Mark Wendt : > > Very nice.  I noticed you have (and maybe it's just because of the angle > the video was taken) only one linear rail that the base of your robot > arm was running on.  Do you have a second one underneath?  If not, is > there any noticeable lifting or movement of the beari

Re: [Emc-users] Preview on a robot arm

2011-05-23 Thread Mark Wendt
On 05/20/2011 04:04 PM, Viesturs Lācis wrote: > 2011/5/11 Viesturs Lācis: >> Hello guys! >> >> I decided to share a small preview on a robotic arm that I am building: >> http://www.youtube.com/watch?v=9olpU79H0o8 > > Here is more: > http://www.youtube.com/watch?v=Mp9Dfu-aZn8 > > Moving faster. A lo

Re: [Emc-users] Preview on a robot arm

2011-05-20 Thread Viesturs Lācis
2011/5/20 Andrew : > Nice! What's the actual speed? Not possible to see on the screen. 10 000 mm/min > When do you plan the first welding? Within next few weeks I expect the delivery of torch, so that is when I hope to start welding. Before that I have a time to finish attaching homing sensors a

Re: [Emc-users] Preview on a robot arm

2011-05-20 Thread Przemek Klosowski
On 5/20/11, Andrew wrote: > 2011/5/20 Viesturs Lācis > >> Here is more: >> http://www.youtube.com/watch?v=Mp9Dfu-aZn8 >> >> Moving faster. A lot faster... >> > > Nice! What's the actual speed? Not possible to see on the screen. > When do you plan the first welding? > > Andrew > --

Re: [Emc-users] Preview on a robot arm

2011-05-20 Thread Andrew
2011/5/20 Viesturs Lācis > Here is more: > http://www.youtube.com/watch?v=Mp9Dfu-aZn8 > > Moving faster. A lot faster... > Nice! What's the actual speed? Not possible to see on the screen. When do you plan the first welding? Andrew ---

Re: [Emc-users] Preview on a robot arm

2011-05-20 Thread Viesturs Lācis
2011/5/11 Viesturs Lācis : > Hello guys! > > I decided to share a small preview on a robotic arm that I am building: > http://www.youtube.com/watch?v=9olpU79H0o8 Here is more: http://www.youtube.com/watch?v=Mp9Dfu-aZn8 Moving faster. A lot faster... Viestusr

Re: [Emc-users] Preview on a robot arm

2011-05-14 Thread Mark Wendt (Contractor)
On 5/14/2011 12:58 AM, dave wrote: > On Fri, 2011-05-13 at 22:55 -0400, Kyle Kerr wrote: >> On Fri, May 13, 2011 at 8:15 PM, andy pugh > It's mm, not inches, I expect. > 39 inches/min is nothing to sneeze at. >>> >>> 1mm/min is 390 in/min. >>> >>> Even less to sneeze at. >> DOH! da

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread Viesturs Lācis
2011/5/14 dave > > On Fri, 2011-05-13 at 22:55 -0400, Kyle Kerr wrote: > > On Fri, May 13, 2011 at 8:15 PM, andy pugh > > >>> It's mm, not inches, I expect. > > >>> > > >> 39 inches/min is nothing to sneeze at. > > > > > > 1mm/min is 390 in/min. > > > > > > Even less to sneeze at. > > DOH! dam

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread dave
On Fri, 2011-05-13 at 22:55 -0400, Kyle Kerr wrote: > On Fri, May 13, 2011 at 8:15 PM, andy pugh > >>> It's mm, not inches, I expect. > >>> > >> 39 inches/min is nothing to sneeze at. > > > > 1mm/min is 390 in/min. > > > > Even less to sneeze at. > DOH! damn decimal :P > > Orders of magnitude

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread Kyle Kerr
On Fri, May 13, 2011 at 8:15 PM, andy pugh >>> It's mm, not inches, I expect. >>> >> 39 inches/min is nothing to sneeze at. > > 1mm/min is 390 in/min. > > Even less to sneeze at. DOH! damn decimal :P > > -- > atp > "Torque wrenches are for the obedience of fools and the guidance of wise men" -

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread andy pugh
On 14 May 2011 01:09, Kyle Kerr wrote: > On Fri, May 13, 2011 at 5:38 PM, andy pugh wrote: > >> >> It's mm, not inches, I expect. >> > 39 inches/min is nothing to sneeze at. 1mm/min is 390 in/min. Even less to sneeze at. -- atp "Torque wrenches are for the obedience of fools and the guida

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread Kyle Kerr
On Fri, May 13, 2011 at 5:38 PM, andy pugh wrote: > > It's mm, not inches, I expect. > 39 inches/min is nothing to sneeze at. > -- > atp > "Torque wrenches are for the obedience of fools and the guidance of wise men" --

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread andy pugh
On 13 May 2011 22:08, Frank Tkalcevic wrote: >> after taking that video I started >> tweaking acceleration and velocity and the arm is capable to deliver >> 1/min rapid speed of the "controlled point" > > I can't wait for a video of that. It's mm, not inches, I expect. -- atp "Torque wrench

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread Frank Tkalcevic
> after taking that video I started > tweaking acceleration and velocity and the arm is capable to deliver > 1/min rapid speed of the "controlled point" I can't wait for a video of that. -- Achieve unprecedented ap

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread Viesturs Lācis
2011/5/13 Viesturs Lācis : > 2011/5/13 andy pugh : >> >> Was that a different issue to the spurious conversion of linear units >> from degrees to radians inside genserkins? >> > > No it is the same thing, I remember that You pointed it out, when I > brought this up in the thread, where I described

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread Viesturs Lācis
2011/5/13 andy pugh : > > TYPE(link) I think. > You also need to do the 1 to 1 conversion of jest back to joint in the > second section for non-rotary joints > Ok, thanks! I will report back, when I will try to compile these changes and test on simulated arm. Viesturs ---

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread andy pugh
On 13 May 2011 12:01, Viesturs Lācis wrote: > Is that correct? Or should it be TYPE(link) instead of TYPE(t)? TYPE(link) I think. You also need to do the 1 to 1 conversion of jest back to joint in the second section for non-rotary joints -- atp "Torque wrenches are for the obedience of fools a

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread Viesturs Lācis
2011/5/13 Andrew : > > If I had a draft of what you want to get - kinematics, angles, joints etc, > I'd try to figure it out. > I know matrices, coordinate transformations etc. Wow, thanks!!! I will try to describe it all in a reasonable way and send You within a few days. 2011/5/13 andy pugh : >

Re: [Emc-users] Preview on a robot arm

2011-05-13 Thread andy pugh
On 13 May 2011 06:46, Viesturs Lācis wrote: > 2) there were differences in scale between joint and teleop modes - > there was very large difference in the travel distance of linear > joint, when compared if I jogged some number of units in joint mode or > in teleop mode. Was that a different iss

Re: [Emc-users] Preview on a robot arm

2011-05-12 Thread Andrew
2011/5/13 Viesturs Lācis > I was able to get genserkins to compile with my changes and move > linear joints, but I was not able to overcome 2 things: > 1) I found it impossible to allign the coordinate frame of arm with > coordinate frame of the base - when I moved the arm along X, it > _always_

Re: [Emc-users] Preview on a robot arm

2011-05-12 Thread Viesturs Lācis
2011/5/12 yann jautard : > very nice work ! > > steppers or servos ? > > what will be the purpose of this arm ? > Those are steppers and title of video says - arm for a welding robot, so I suspect, that it will hold the welding gun. 2011/5/12 doug metzler : > I'll be very interested to know if t

Re: [Emc-users] Preview on a robot arm

2011-05-12 Thread andy pugh
On 11 May 2011 12:20, Viesturs Lācis wrote: > Hello guys! > > I decided to share a small preview on a robotic arm that I am building: > http://www.youtube.com/watch?v=9olpU79H0o8 Did you get genserkins working with sliding joints? -- atp "Torque wrenches are for the obedience of fools and the g

Re: [Emc-users] Preview on a robot arm

2011-05-12 Thread doug metzler
I'll be very interested to know if there is any chatter at the end of the arm during the welding process. Great design! Thanks, DougM On Wed, May 11, 2011 at 12:12 PM, Viesturs Lācis wrote: > Thanks, guys! I am glad, that You like it :)) > > 2011/5/11 gene heskett : > > > > Looking great! Ke

Re: [Emc-users] Preview on a robot arm

2011-05-12 Thread yann jautard
very nice work ! steppers or servos ? what will be the purpose of this arm ? Le 11/05/2011 13:20, Viesturs Lācis a écrit : > Hello guys! > > I decided to share a small preview on a robotic arm that I am building: > http://www.youtube.com/watch?v=9olpU79H0o8 > > It is still a work-in-progress, bu

Re: [Emc-users] Preview on a robot arm

2011-05-11 Thread Viesturs Lācis
Thanks, guys! I am glad, that You like it :)) 2011/5/11 gene heskett : > > Looking great!  Keep us posted.  What heating method will be used? > What do You mean with the method of heating? If You mean - what kind of welding is that going to be, then - it will be MIG welding machine. Power source,

Re: [Emc-users] Preview on a robot arm

2011-05-11 Thread Igor Chudov
Very nice. Can this arm survive welding and its shielding/interference issues? i On Wed, May 11, 2011 at 10:02 AM, Andrew wrote: > Very nice Viesturs! > > Add more details please. Worm gears? What's the long stroke lenght, which > actuator is there? > > Andrew > http://parallelrobots.blogspot.

Re: [Emc-users] Preview on a robot arm

2011-05-11 Thread Andrew
Very nice Viesturs! Add more details please. Worm gears? What's the long stroke lenght, which actuator is there? Andrew http://parallelrobots.blogspot.com/ 2011/5/11 Viesturs Lācis > Hello guys! > > I decided to share a small preview on a robotic arm that I am building: > http://www.youtube.

Re: [Emc-users] Preview on a robot arm

2011-05-11 Thread Mark Wendt
Viesturs, That's very cool! Well done. Mark On 05/11/2011 07:20 AM, Viesturs Lācis wrote: > Hello guys! > > I decided to share a small preview on a robotic arm that I am building: > http://www.youtube.com/watch?v=9olpU79H0o8 > > It is still a work-in-progress, but the first stage of get

[Emc-users] Preview on a robot arm

2011-05-11 Thread Viesturs Lācis
Hello guys! I decided to share a small preview on a robotic arm that I am building: http://www.youtube.com/watch?v=9olpU79H0o8 It is still a work-in-progress, but the first stage of getting arm up and moving has been completed. Viesturs --