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Topics - richyrich212

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General Mach Discussion / Cambell designs THC -=- Table Ground ??
« on: March 19, 2008, 04:58:02 PM »
Hello all,

I am in there process of installing a cambell designs  "THC-300"   Torch height controller. 

 In the install PDF  it states that the plasma table should be earth grounded with a ground rod.

  Does everyone have there tables grounded to EARTH  using this method???? 

General Mach Discussion / THC-300 Setup ??'s
« on: February 06, 2008, 08:45:07 PM »

I  have just  purchased a THC-300!   

I downloaded and installed the Mach3 plugins on bob's website http://campbelldesigns.net/thc-mach3-files.php but they dont seem to work!!   All I get is mach with no screens

Has anyone had this problem??
I would like to intergrate this plugin with the plasma screen set that cam with rev 3.00 if possible  ?? 
Can anyone shed some light on what i am doing wrong !!

thanks for any info in advance

General Mach Discussion / homing slave axis??
« on: January 07, 2008, 06:51:40 PM »
Hello all,

I am in the process of homing my  machine for the first time!!  I have a 2 motor x-axis using the slave feature.   when I jog this axis   both motors seem to operate as expected. But when I try and home this axis, the salve motor will not respond??   

 Is there a setting in the homing/limits field that needs to be addressed ???

thanks for any input in advance  :)

General Mach Discussion / setting kernal speeds on Mach 3
« on: December 12, 2007, 05:49:30 PM »
Hello all,

Can someone tell me where to get the kernal speed in mach3 ??    When the system was installed the kernal speed was set to 25k but I would like to change that value.

Also in the motor tuning field I can only set my velocity as high as  412. in /min.   mach will not let me go any faster??  Is there a way to overcome this ??

thanks in advance for any info !!

General Mach Discussion / Motor setup help??
« on: December 08, 2007, 02:19:43 PM »
Hello all,

I am in the process of setting up mach3.  I have set up  all my input and output data and am able to spin all the x,y and z motors using the MDI screen. 

 My issue is with the "motor tuning" screen.  I'm not sure what value to input for the "steps per" field.   The info for my machine is as follows:

-using a 4.29:1 gear reduction
-running the gecko's at full step
- rack and pinion grear is 0.750" DP  on a 20TPI rack

I have calculated 1step = .0027 " per step final drive ( .0750*3.14/4.29/200 )

What value should be entered in the "steps per" field as i am not sure what this unit is asking for !!

thanks for any help in advance !!!!

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