Re: [Emc-users] YAGC

2011-05-20 Thread Viesturs Lācis
2011/5/20 Belli Button : > I think that V would offer a better choice, often when creating G-code for a > rotary device, your CAM package will default to A for the rotary axis. The essence of gantrykins is assigning 2 or more joints to 1 axis. So what original poster wants is moving 2 motors toget

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Andrew
2011/5/17 Michał Geszkiewicz > Current state is that you can have different params for joints and axes > (acc, vel, moving area, etc) but it is still cartesian XYZ and still > some limits of joints are not checked correctly. Setups like gantry etc > are working correctly, but joints_axes3 branch

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Viesturs Lācis
Jon, Dave, thanks! Viesturs 2011/5/20 Jon Elson : > Dave wrote: >> >> The system is very reliable. >> >> Properly applied, EMC2 is extremely reliable and capable. >> >> > Yup, I have a number of CNC control interfaces in commercial shops all > over the world, > and they are well-liked by their us

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Dave
I know that you are in a different time zone, but I think that I have a customer (the waterjet retrofit customer) who would be happy to talk to you or your customer about the reliability of EMC2 on their machine. They are located in the USA, in the State of Indiana, Eastern Standard time zone -

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Viesturs Lācis
2011/5/20 Dave : > I know that you are in a different time zone, but I think that I have a > customer (the waterjet retrofit customer) who would be happy to talk to > you or your customer about the reliability of EMC2 on their machine. Wow, thanks! I will let You know, if that will be necessary :)

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Stuart Stevenson
I also have machines running EMC2. All three machines run every day. Soon to be four when the mechanical issues are resolved. The only issue I hear is about the ease of starting/restarting in the middle of a program. All the operators seem to be able to handle the starting/restarting but none seem

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Dave
On 5/20/2011 10:25 AM, Viesturs Lācis wrote: > Uhh, that is what I call - providing a solution that meets customer needs! > > From what I have seen and experienced, it is almost impossible to find > such an attitude here, in my country. Communist way of thinking is > still very strong. > I try

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Viesturs Lācis
2011/5/20 Dave : > > Interesting...  how do the Communist ways of thinking affect things? It is very hard to explain in short to those, who have never seen it in life. There was no private property in communism, everything belonged to everyone, so actually - nobody in particular. So that is why ma

[Emc-users] Hydraulic Position control with EMC2

2011-05-20 Thread Dave
Does anyone have any experience in controlling servo grade hydraulic proportional valves with EMC2 for use in controlling a number of hydraulic cylinders? Does anyone know of a way to interface an SSI encoder into EMC2? I need to retrofit a large hydraulically controlled machine and the contr

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Dave
>>It is very hard to explain in short to those, who have never seen it in life. I can believe that! I have a hard time just imagining how everything could belong to everyone my brain just goes blank.. So if they don't own the equipment, then they don't own the problems either ?? While

Re: [Emc-users] Hydraulic Position control with EMC2

2011-05-20 Thread Peter C. Wallace
On Fri, 20 May 2011, Dave wrote: > Date: Fri, 20 May 2011 12:40:10 -0400 > From: Dave > Reply-To: "Enhanced Machine Controller (EMC)" > > To: emc-users@lists.sourceforge.net > Subject: [Emc-users] Hydraulic Position control with EMC2 > > > Does anyone have any experience in controlling serv

Re: [Emc-users] Hydraulic Position control with EMC2

2011-05-20 Thread andy pugh
On Friday, 20 May 2011, Dave wrote: > > Does anyone have any experience in controlling servo grade hydraulic > proportional valves with EMC2 No, but I do have a bit of experience with servo-hydraulic machines, Specifically Schenck testing machines. I have occasionally thought that EMC2 would be o

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Viesturs Lācis
2011/5/20 Dave : >>>It is very hard to explain in short to those, who have never seen it in life. > > I can believe that! > I have a hard time just imagining how everything could belong to > everyone my brain just goes blank.. > > While that is very interesting... and it must cause a lot of iss

Re: [Emc-users] Joints_axes branch

2011-05-20 Thread Dave
Ha ha. that is ok. I can tell it is a difficult situation to explain. Dave On 5/20/2011 2:55 PM, Viesturs Lācis wrote: > 2011/5/20 Dave: > It is very hard to explain in short to those, who have never seen it in life. >> I can believe that! >> I have a hard time j

[Emc-users] OT: Re: Communist way of thinking...

2011-05-20 Thread Viesturs Lācis
I apologize to everyone, who will consider this email as totally inapropriate for this mailing list Jack, I started typing this as a private answer, but it got so long that I decided to share it with others - at least Dave is interested too. First of all - this is only my personal opinion. Secondl

Re: [Emc-users] OT: Re: Communist way of thinking...

2011-05-20 Thread Edward Bernard
Viesturs- By your name I'm thinking you must be Romanian? I was there in 2003 and married a Romanian woman so I understand what you say. Also, many told me that the government was basically the same people after the revolution. My wife is very saddened by the state of her country now. __

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] OT: Re: Communist way of thinking...

2011-05-20 Thread Viesturs Lācis
2011/5/20 Edward Bernard : > Viesturs- > By your name I'm thinking you must be Romanian? Nope, my name is 100% pure and traditional Latvian! And surname too :)) Viesturs -- What Every C/C++ and Fortran developer Should K

Re: [Emc-users] OT: Re: Communist way of thinking...

2011-05-20 Thread Edward Bernard
Whoops! Sorry about that. :) From: Viesturs Lācis To: Enhanced Machine Controller (EMC) Sent: Fri, May 20, 2011 3:07:30 PM Subject: Re: [Emc-users] OT: Re: Communist way of thinking... 2011/5/20 Edward Bernard : > Viesturs- > By your name I'm thinking you mus

Re: [Emc-users] Hydraulic Position control with EMC2

2011-05-20 Thread Jan de Kruyf
EMC will just work I would say. The servo factors will be a bit more tricky to set up, since there is now no speed stabilizing loop around the motor / drive. I know old hydraulic copy mills quite well: they work just perfect if set up properly. When not there is a bit of overshoot etc. jan. On Fr

Re: [Emc-users] Hydraulic Position control with EMC2

2011-05-20 Thread Jan de Kruyf
just this: CLEAN oil and CLEAN servo valves and a CLEAN system!! the pilot holes are in the order of tenths of mm. I normally carry a dentists root canal drill (the smallest) in my box. So I can do emergency cleaning of the valves. The proper job is like $2000.- US. That is a bit steep, specially

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 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 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] OT: Re: Communist way of thinking...

2011-05-20 Thread Kent A. Reed
There are other lists better suited to discussion of life within the USSR and its satellites, but I can't help making the observation that because of the heavy-handed attempt of the state to stifle internal criticism of "the workers paradise," humor became a primary weapon of the people. Some

Re: [Emc-users] Hydraulic Position control with EMC2

2011-05-20 Thread sam sokolik
one of my next projects is to see if we can get an old Cincinnati lathe running that has hydraulic servos. We plan on running it with emc (of course) and want to try initially just driving the valves. http://www.electronicsam.com/images/KandT/cincinnatimi/valve.JPG http://www.electronicsam.com/

Re: [Emc-users] Hydraulic Position control with EMC2

2011-05-20 Thread gene heskett
On Friday, May 20, 2011 09:46:59 PM Dave did opine: > Does anyone have any experience in controlling servo grade hydraulic > proportional valves with EMC2 for use in controlling a number of > hydraulic cylinders? > > Does anyone know of a way to interface an SSI encoder into EMC2? > > I need to

Re: [Emc-users] OT: Re: Communist way of thinking...

2011-05-20 Thread Jack Coats
On Fri, May 20, 2011 at 6:28 PM, Kent A. Reed wrote: > There are other lists better suited to discussion of life within the > USSR and its satellites, I will accept the b lame for this. I asked directly for an expansion on the original statement as posted on this list, and there was some appar

Re: [Emc-users] OT: Re: Communist way of thinking...

2011-05-20 Thread Igor Chudov
The joke is hilarious, but I personally heard it from Ronald Reagan first, not inside the Soviet Union. i On Fri, May 20, 2011 at 9:53 PM, Jack Coats wrote: > On Fri, May 20, 2011 at 6:28 PM, Kent A. Reed wrote: > > > There are other lists better suited to discussion of life within the > > US

Re: [Emc-users] Euler's Zyz angles in kinematics

2011-05-20 Thread Kent A. Reed
On 5/16/2011 10:33 AM, Kent A. Reed wrote: > <...> >> 2011/5/16 Kent A. Reed: >>> Whenever I get unphysically large results I suspect I'm trying to divide >>> by zero or close to it, but it's hard to say anything useful without >>> also looking at your conversion routines pmRpyZyzConvert and >>> pm

Re: [Emc-users] OT: Re: Communist way of thinking...

2011-05-20 Thread Kent A. Reed
On 5/20/2011 10:58 PM, Igor Chudov wrote: > The joke is hilarious, but I personally heard it from Ronald Reagan first, > not inside the Soviet Union. > > i Interesting observation, Igor. Knowing how Ronald cribbed flagrantly from other sources he may have heard it from others. Or, the German engi

Re: [Emc-users] Euler's Zyz angles in kinematics

2011-05-20 Thread Viesturs Lācis
Ok, thanks! Viesturs 2011/5/21, Kent A. Reed : > On 5/16/2011 10:33 AM, Kent A. Reed wrote: >> <...> >>> 2011/5/16 Kent A. Reed: Whenever I get unphysically large results I suspect I'm trying to divide by zero or close to it, but it's hard to say anything useful without also lookin