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Messages - mrpeja

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General Mach Discussion / Home, machine, and work coordinates
« on: March 30, 2009, 02:48:29 PM »
Hi Hood,
Here is one actual question:
I have plasma table 3,5 x 1,8 meter travel, limit switches at both ends.
Z axis 150 mm travel, with Floating head, floating switch and home/limit switch at one end.
I want to cut on sheet 3 x 1,5 meter, and sheet should be somewhere in the middle of the table.
Please explain what will be the home position, machine coordinates, work coordinates.
Please explain how to set each of them and how to remember all for further work.
Should SheetCam be involved in this process?
Please have on your mind, I'm a newbie,

General Mach Discussion / Z axis jogging, Mach3
« on: March 27, 2009, 05:55:29 AM »
Why Z axis step jogging doesn't work with THC300SM3 profile?
It works with default Plasma profile

General Mach Discussion / Re: G31 what is it for
« on: March 27, 2009, 04:31:37 AM »
Thanks Jim,
Now I see I can find many answers myself if I can read explanation somewhere.
Can you recommend me where to find detailled explanations on how G codes (M codes, F codes, etc) work?

General Mach Discussion / G31 what is it for
« on: March 26, 2009, 05:10:48 PM »
 Do I need THC300 postprocessor with or without G31 option?

General Mach Discussion / Configure Mach and THC
« on: March 26, 2009, 10:50:58 AM »
In a few days I'm about to finally start the machine. I have read all manuals I can find (THC300A User Guide, Quick Set Up Guide for Plasma Users, THC300 Operating Manual, Mach3 Mill) trying to fully understand how to adjust all parameters for THC and plasma cutting. I'm still a bit confused with some terms and details (e.g. min/max corrections, heights, min/max distances, calibration Floating Head (I found  different methods) etc.)

It will be very useful if someone can describe, step by step, all about configuring and adjusting Mach3(not pins&ports), SheetCam, Floating Head and THC300.

I'll be very grateful.


General Mach Discussion / Nesting parts
« on: March 20, 2009, 04:37:11 PM »
I'm preparing for plasma cutting. Parts are mostly rectangular and size is about 700 x 800 mm. Material is 4 mm  steel, and sheet is 3m x 1,5 m
Question: witch is minimal clearance between parts practically good enough? And size for lead-ins and -outs?

General Mach Discussion / Plasma hole cutting
« on: March 13, 2009, 09:45:34 AM »
I'm wondering how small hole I can cut, using CNC table, SheetCAM, lead-in, lead-out etc.
Matherial is 4 mm steel

General Mach Discussion / Re: Jogging Z axis, plasma mode
« on: March 05, 2009, 01:16:38 AM »

General Mach Discussion / Jogging Z axis, plasma mode
« on: March 03, 2009, 03:58:51 PM »
I installed THC300SM3 and works fine, except Step jogging for Z axis don't work at all.
Previous installed profile (Plasma) allow step joggin Z axis.
Where I'm mistaking?

Hi gurus,
I'm "playing" with my Mach3 profiles for plasma cutting and I marked some differences:

1.        Plasma profile                                                           THC300SM3 profile
THC on/off led is solid green when activated,                      THC on/off blinks when activated
Torch on/off led is blinks when activated                             Torch on/of led is solid
Is this OK?

2. THS300SM3 screen has "Torch active" led. When it lits and where is mapped?
    Also there are two yellow leds next to Reset button. What they are for?

3. There is THC ON input in Ports&pins. Where is it physically connected? Does it reffer to "Torch ON" or "ARC  good" or is  something else?
Please, gurus, explain to me. I want all to be clear to me, otherwise I'm not sure what I'm doing

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