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Messages - PeterF

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61
General Mach Discussion / Re: Goto Z (Goto Zero) once again
« on: April 04, 2010, 08:33:08 AM »
Hood, thank you. That's the safe way.

62
Feature Requests / Re: Warning if in Demo mode
« on: April 04, 2010, 08:28:51 AM »

Yes of course but we will not always check, especially when we have forgotten to copy the license files. My feature wish was to warn as a reminder. In this particular night, described in my posting, yesterday we had computer troubles and the demo restriction was only detected at line 501 when it was too late.

I hope a warning, or a visible sign, will be in a future release.

63
General Mach Discussion / Re: Setting up axis home (Newbie)
« on: April 04, 2010, 08:10:03 AM »
Code: [Select]
..
N0040 G53 G90 G40
N0050 F1
N0060 (Part: RE-7 upper bag mount)
N0070 (Process: Plasma, Outside Offset, 0, T1: Plasma, 0.0394 in kerf)
N0080 M06 T1 F85  (Plasma, 0.0394 in kerf)
N0090 G00 Z0.1100
..
N0130 G28.1 Z0.12
..

As far as I know, G53 needs to be on each line where it applies. On line N0040 there is no move, therefore it does nothing and is forgotten. On line N0090 it needs to be G53 G00 Z0.11 when you want absolute Z0.11. But line N00130 should go before it, to do referencing (i.e. seek and set home position), before you do any first move. In order move to known home in Z, would read N0130 G28 G53 Z0, for example, not G28.1.

line N0090 G0 Z0.11 could go to anywhere when the machine coords are not set. Additionally, N0081 G43 H1 is missing to apply tool offset coordinates. M6 doesn't do this. Missing G43 H1 too makes the Z move hazard. (Your post processor might not know about G43 Hn)

64
General Mach Discussion / Goto Z (Goto Zero) once again
« on: April 04, 2010, 07:02:38 AM »
Although this has been asked several times I'm still not sure what is the right way to do it and whether it is best suited in "General discussion" or "Screen design".

Issue: The built-in "Goto Zero" system functions goes to XY 0, then to Z 0.  I don't understand the reason behind the sequence, as "first XY, then Z" seems not safe to me. (This move would be modified thru the safe Z option.)  I could change that to "first Z0, then X0Y0" (see thread http://www.machsupport.com/forum/index.php/topic,11106.msg69719.html#msg69719).  When G0Z0 is a move down, this also is not very safe.

The german screen set does it as follows: reads out the safe Z value (mostly 0), and moves to this Z in *work* coordinates (rapid down when we tried it), before moving to zero.

I added a button "Go To Machine Zero" (G0G53Z0|G0G53X0Y0) and others, so modifying the screen with the screen editor is not a concern.

Question: What are the best options?
(a) to move XY then Z, when the move is down, but Z then XY, when the move is up?
(b) ask/warn user when the move is down?
(c) replace to "Goto Z" button by two buttons: one for "Goto Zero (XY)" and one for "Goto Zero (Z)"
(d) leave out "Goto Z" (Goto Zero) completely, i.e. remove it?

Thank you for your opinion and advice.

65
General Mach Discussion / Re: Properly doing "Run Frome Here"
« on: April 03, 2010, 08:01:46 PM »
yes Mach3 was in demo mode and we hit line 501. I couldn't quit and restart it in licensed mode because I would have lost the "referenced state". Therefore I shortened the GCode file by enough, approx. 200 lines, loaded it and wanted to continue from line now 308, formerly line 501.

Is the code window still selected (lighter color) when you press RFH ?

66
General Mach Discussion / Properly doing "Run Frome Here"
« on: April 03, 2010, 07:11:32 PM »
What is the proper way to do "Run From Here"? (exact click and scroll sequence, including clicks in the GCode window, scrolling there, clicking "Run From Here" and so on.)

The background is as follows: Today we loaded G code, and I wanted to do "running from here". Mach3 even told us the line number (lets say, 308) and "Run From Here" was clicked by me. The tool was in place, all offsets were right, the position was right, the spindle was spinning. But when we pressed "Cycle Start", it started not from line 308, but from the beginning. At line 9, it did (lets say) G0Z20. At line 10 it did (lets say) M6 T2 and requested the tool change. G0Z20 was not exactly the right move.

Thanks for exact instructions.

67
Feature Requests / Warning if in Demo mode
« on: April 03, 2010, 06:49:35 PM »
Today it would have been beneficial to us: a warning that we are in Mach3 demo mode. (We had to reinstall Mach3 due to computer troubles and we forgot to copy the license files). So it clipped the run without any warning at line 500.

68
General Mach Discussion / Re: F5 (spindle on/off) and driver.
« on: March 19, 2010, 06:22:36 PM »
I tried the virgin Mach3Mill profile. Turning on or off Config->Ports And Pins->MotorOutputs->Spindle "Enabled" causes the issue, respectively ceases it. I keep the driver installed.

Thank you for your assistance.

P.

69
General Mach Discussion / Re: F5 (spindle on/off) and driver.
« on: March 19, 2010, 05:52:23 PM »
here is the profile NB I'm running Mach3 on a laptop, i.e. Stepspeed technology, varying CPU speed.

70
General Mach Discussion / F5 (spindle on/off) and driver.
« on: March 19, 2010, 05:35:09 PM »
In order to turn off the spindle (F5 or M05), presence of the driver is required. (Mach3 version 3.042.033 and Mach3 version 3.042.038 tried. Actuality of the issue: not very - just on my simulating computer/laptop, the driver needs to be installed. Otherwise the spindle LED continues to blink).

P.

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