Re: [Emc-users] Threading Hickups

2007-10-21 Thread einar
John Kasunich wrote: > Even better, if you can get some, is a braid that can be expanded enough > to run the three motor leads through it, then stretched lengthwise so it > snugs down around the motor wires. Again, connect one end directly to > the motor frame, and the other directly to the VFD

Re: [Emc-users] Off Topic -- Centering a lathe piece

2007-10-21 Thread John Thornton
Hi Don, I am an Old Timer and the process you describe will not gain you anything except dropping the chuck key from one side. I center parts on my lathe to 0.0001" all day long in a few seconds with my 4 jaw chuck. Short Parts: Mount the part in the jaws as close to center as you can. Indicate

Re: [Emc-users] Threading Hickups

2007-10-21 Thread Gene Heskett
On Sunday 21 October 2007, [EMAIL PROTECTED] wrote: >John Kasunich wrote: >> Even better, if you can get some, is a braid that can be expanded enough >> to run the three motor leads through it, then stretched lengthwise so it >> snugs down around the motor wires. Again, connect one end directly to

Re: [Emc-users] Off Topic -- Centering a lathe piece

2007-10-21 Thread Gene Heskett
On Sunday 21 October 2007, John Thornton wrote: >Hi Don, > >I am an Old Timer and the process you describe will not gain you anything >except dropping the chuck key from one side. > >I center parts on my lathe to 0.0001" all day long in a few seconds with my >4 jaw chuck. > >Short Parts: >Mount the

[Emc-users] Axis Jog Speed

2007-10-21 Thread John Thornton
There seems to be a rounding error in the Jog Speed: displayed by Axis on start up. I have MAX_VELOCITY = 5.0 for all axis If I set [TRAJ] DEFAULT_VELOCITY = 0.1 I get the expected jog speed of 6 in/min and it jogs at about 6 inches a minute If I set [TRAJ] DEFAULT_VELOCITY = 0.3 I get 18

Re: [Emc-users] Axis Jog Speed

2007-10-21 Thread Jeff Epler
AXIS uses an logarithmic relationship between the position of the jog slider and the jog speed in inches per minute. At the left hand side, the jog speeds are fairly close together (e.g., .001 and .002 in/min) and at the right hand side the speeds are further apart (e.g., 296 and 300 in/min). The

Re: [Emc-users] DC Motor and PID

2007-10-21 Thread John Kasunich
Jon Elson wrote: > Kirk Wallace wrote: >> I connected the motor to my lab supply and got the motor to turn very >> slowly at about 4.5 Volts. At the slowest speed, it would only stop if I >> reduced the voltage. So I guess I have a "good" motor and I just need to >> work more on the tuning. Maybe,

Re: [Emc-users] Generating stick-font toolpaths?

2007-10-21 Thread Brian Pitt
theres a simple utility to generate stick font code in this file http://www.luberth.com/plotter/Basicgcodesourceandexamples.zip look for Text2cnc.bas it could probably be translated to a script for use in Linux Brian -- "Nemo me impune lacesset" --

Re: [Emc-users] DC Motor and PID

2007-10-21 Thread Jon Elson
John Kasunich wrote: > Jon Elson wrote: > >>Kirk Wallace wrote: >> >>>I connected the motor to my lab supply and got the motor to turn very >>>slowly at about 4.5 Volts. At the slowest speed, it would only stop if I >>>reduced the voltage. So I guess I have a "good" motor and I just need to >>>wor

[Emc-users] Joypad

2007-10-21 Thread John Thornton
Can you take a joypad apart and put into a more solid container and use industrial buttons so you can label the functions for input into EMC. The USB input for a remote would be just too easy... Thanks John - This SF.net e

Re: [Emc-users] DC Motor and PID

2007-10-21 Thread Peter C. Wallace
On Sun, 21 Oct 2007, Jon Elson wrote: > Date: Sun, 21 Oct 2007 13:12:57 -0500 > From: Jon Elson <[EMAIL PROTECTED]> > Reply-To: "Enhanced Machine Controller (EMC)" > > To: "Enhanced Machine Controller (EMC)" > Subject: Re: [Emc-users] DC Motor and PID > > John Kasunich wrote: >> Jon Elson w

Re: [Emc-users] DC Motor and PID

2007-10-21 Thread Jon Elson
Peter C. Wallace wrote: > > > Velocity feed forward is especially important with straight PWM ampilifiers > as > it allows the system to approximate current control, that is, make the drive > torque independent of motor back EMF. It also has one advantage over current > control systems in tha

Re: [Emc-users] Axis Jog Speed

2007-10-21 Thread Ian Wright
Thanks guys, I had altered the [TRAJ] MAX_VELOCITY and DEFAULT_VELOCITY a bit, partly because I read in one of the recent posts that it should be more than the individual axis MAX_VELOCITY, however, I didn't think I had changed it so much and it then got pared back until all the axes would run

[Emc-users] Starting a new project

2007-10-21 Thread Dave Keeton
Hello, I am new to both Linux and EMC. I am a maintenance supervisor in an aircraft manufacturing facility. We do landing gear. I have a Motenc-Lite servo board. I am pretty sure I won't have alot of problems with the motion control section of this but was wondering about how to use a ma

Re: [Emc-users] Starting a new project

2007-10-21 Thread Ray Henry
Hi Dave Welcome. This is a good place for help as is the IRC channel on freenode.net. There are both realtime and user space elements to ladder. The realtime stuff does the actual logic while the user space stuff shows and edits it. Both demo_step_cl and demo_sim_cl should start a user space

Re: [Emc-users] Starting a new project

2007-10-21 Thread Dave Keeton
Hi Ray, Glad to be here. Thank you for the fast reply. I can get classic ladder to come up in demo_step_cl and demo_sim_cl. I guess my question is more about the configuration files for Motenc card. When I look at the moten_io file it reads: # Just uncomment the following lin

Re: [Emc-users] Starting a new project

2007-10-21 Thread Stephen Wille Padnos
Dave Keeton wrote: >Hi Ray, > > Glad to be here. Thank you for the fast reply. > > I can get classic ladder to come up in demo_step_cl and >demo_sim_cl. I guess my question is more about the configuration files for >Motenc card. When I look at the moten_io file it reads: > ># Jus

Re: [Emc-users] Starting a new project

2007-10-21 Thread Dave Keeton
We must be thinking the same..Scary thing is was I went looking through the motenc_io file. I figured that it was'nt finding what it was looking for, I copied the files over and renamed them. After getting errors here and there I finally got it working. The difference is you know what your d

Re: [Emc-users] Starting a new project

2007-10-21 Thread Stephen Wille Padnos
Dave Keeton wrote: >We must be thinking the same..Scary thing is was I went looking through >the motenc_io file. I figured that it was'nt finding what it was looking >for, I copied the files over and renamed them. After getting errors here and >there I finally got it working. The difference

Re: [Emc-users] Starting a new project

2007-10-21 Thread Ray Henry
Glad to hear it's going. You'll need to add in the HAL pin links that connect estop and lube so that the demo works properly. You should also comment out the part of motenc_io.hal that loop back the estop. You could use the program halcmd to link buttons in tkemc to signals connected to ladder

Re: [Emc-users] Starting a new project

2007-10-21 Thread Dave Keeton
A quick question (one of many to come!), would I change the line: # Just uncomment the following line if you want a Software PLC #loadusr -w classicladder --nogui ../configs/common/bridgeport.clp To: # Just uncomment the following line if you want a Software PLC #loadusr -w classicladder --nogui

Re: [Emc-users] Starting a new project

2007-10-21 Thread Stephen Wille Padnos
Dave Keeton wrote: >A quick question (one of many to come!), >would I change the line: > ># Just uncomment the following line if you want a Software PLC >#loadusr -w classicladder --nogui ../configs/common/bridgeport.clp > >To: > ># Just uncomment the following line if you want a Software PLC >#lo

Re: [Emc-users] Starting a new project

2007-10-21 Thread Dave Keeton
Thanks Ray, I will hopefully be working on that over the next few days. Still building the panel (Gotta make it look good as well as work good.) So far I am making progress and thats good. The goal is to get this up and running so we can decide wether to put it on production mac

Re: [Emc-users] Starting a new project

2007-10-21 Thread Dave Keeton
Thanks, I will check that out.I do have a spare encoder channel on the motenc. Do I not worry about connecting the "Z" channel. My MPG is a real MPG. It has A, not A, B, not B only. No "Z" channel - Original Message - From: "Stephen Wille Padnos" <[EMAIL PROTECTED]> To: "Enhance

Re: [Emc-users] Starting a new project

2007-10-21 Thread ben lipkowitz
On Sun, 21 Oct 2007, Dave Keeton wrote: > How does this control handle 3d interpolated arcs? Anyone know? The > reason I am asking is we have a machine that has a Fanuc10M control on > it. It goes from 80ipm down to about 20ipm while cutting these arcs. > Almost all profile cutting on landing g