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Messages - mannby

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31
General Mach Discussion / Re: Cutter radius comp problem
« on: January 03, 2006, 05:28:21 AM »
Hi, now I got the G41 and G40 to work as it should, but when I tried to use the compensation by changing
the tool wear in the tool table nothing happens.
I was trying the following code posted from my cam program:

(TOOL 3)
(MILL 12MM)
(OPERATION 3)
X159.9999 Y-4.
G1 Z-4. F100.0
G41 Y-9. D23
G3 X164.9999 Y-14. I5. J0
G2 I0 J-21. F200.0
I0 J-21.
X165.9995 Y-14.0238 I0 J-21.
G3 X171.2318 Y-9.2675 I0.238 J4.9944
G1 G40 X171.4698 Y-4.2731
G0 Z3.

The postprocessor added D23 for tool 3 is that wrong? must the D value be the same as
the tool number?

/Roger

32
General Mach Discussion / Re: Cutter radius comp problem
« on: December 30, 2005, 06:50:34 AM »
Thanks again Brian,
I will try that tonight. I'm not sure why my post processor didn't put in G40 at that line
because it did at the second operation.
Maybe because the radius compensation continued on the second operation. ???
I will check if I can change the post processor to always put in a G40.

Roger

33
General Mach Discussion / Cutter radius comp problem
« on: December 29, 2005, 04:54:22 PM »
Hello,
I got a problem when I use radius compensation, when I load the file Mach complains about:
'Cannot use g28 or g30 with cutter radius comp on line #56'
If I remove G41 and G49 then it works but I can't understand why it wouldn't work with the rad comp.
Please see following code:

// Roger

%
O1
G90 G80 G28 G40 G17
(NOLLPUNKT I INRE VANSTRA HORN UPPE PA BITEN.)
(TOOL 1)
(PINNFRAS TUSA 6MM)
(OPERATION 7)
N1 T1 M6
S9800 M3
G0 X0 Y0
G43 Z3. H1
M8
G0 Z2.5
X130.7468 Y-36.3036 Z3.
Z2.5
G1 Z-2. F100.0
G41 X131.4302 Y-42.2645 D21
G2 X44.4616 Y-32.0091 I-21.7351 J189.5675 F200.0
X44.4253 Y-31.9957 I1.0252 J2.818
X42.4812 Y-28.545 I0.9899 J2.8307
G1 X38.0785 Y-27.6145
G2 X38.3755 Y-26.5817 I7.3367 J-1.5505
X33.2157 Y-25.4324 I46.3412 J220.2095
X33.1782 Y-25.527 I-20.5635 J8.0964
G3 X38.0785 Y-27.6145 I76.5169 J172.83
G1 X42.4812 Y-28.545
G2 X45.9361 Y-26.2119 I2.934 J-0.62
G3 X131.5177 Y-24.6452 I38.7806 J219.8397
G2 X133.4214 Y-24.8631 I0.6287 J-2.9321
G1 X135.2884 Y-29.1499
G3 X136.9862 Y-35.934 I27.1152 J3.1817
G1 X138.2203 Y-35.7854
G2 X136.4469 Y-28.6997 I24.1833 J9.8172
G1 X134.9051 Y-23.6031
G2 X135.2476 Y-21.0378 I27.4985 J-2.3651
X30.0462 Y-20.021 I-50.5309 J214.6656
X26.9364 Y-27.6181 I-17.394 J2.685
G3 X136.3859 Y-44.3582 I82.7587 J174.9211
G1 X141.6076 Y-43.7691
X139.4445 Y-41.2862
G2 X137.954 Y-38.7736 I22.9591 J15.318
G1 X141.9404 Y-36.6857
G2 X142.3008 Y-14.589 I20.4632 J10.7175
X25.3426 Y-14.0856 I-57.5841 J208.2168
X19.074 Y-28.754 I-12.6904 J-3.2504
G3 X151.3828 Y-46.2697 I90.6211 J176.057
G2 X141.9404 Y-36.6857 I11.0208 J20.3015
G1 X137.954 Y-38.7736
G2 X135.3588 Y-41.7727 I-2.9986 J-0.0276
X131.4302 Y-42.2645 I-25.6637 J189.0757
G0 Z3.
X0 Y0
(TOOL 2)
(PINNFRAS 8MM TUSA)
(OPERATION 8)
M9
G90 G80 G28 G17
G49 G0 Z0 S300 M5

N2 T2 M6
S8000 M3
G0 X11.6522 Y2.664
G43 Z3. H2
M8
G0 Z2.5
G1 Z-2. F100.0
G41 Y-2.336 D22
G3 X12.6522 Y-3.336 I1. J0
G2 I0 J-14. F200.0
X13.6514 Y-3.3717 I0 J-14.
G3 X14.7202 Y-2.4456 I0.0713 J0.9975
G1 G40 X15.077 Y2.5417
G0 Z3.
X0 Y0
M9
G90 G80 G28 G17
G49 G0 Z0 S300
M5
G0 X0 Y0
M30
%

34
General Mach Discussion / Re: Toolchange position
« on: December 22, 2005, 02:53:18 PM »
Thanks Brian,
That did the trick. ;D
Now I can put my tool change position whatever I want.

Roger

35
General Mach Discussion / Re: Toolchange position
« on: December 21, 2005, 06:15:03 PM »
Hi Brian,
I added your macro with help of VB script editor but I get a syntax error on the last line
in M6End.m1s

Code "G00 X"&x&" Y"&y  'Move the tool back to where the tool change was activated if it has been moved
         
Roger         

36
General Mach Discussion / Toolchange position
« on: December 21, 2005, 07:40:26 AM »
Hi, with the latest version of Mach3 .37 my toolchange position changed from machine zero to work zero.
I use home switches and the tool change option is set to 'stop spindle and wait for cycle start'.
Then I noticed a new function under home and limit settings for setting tool change position, but if I typed
in a value for X,Y and Z then it was gone the next time I looked even if I restarted the program after the settings.

Another thing  is there a release note to read, because it's hard to know whats new after a release update.

Best regards
Roger

37
General Mach Discussion / Re: Step loss on Mach3
« on: November 15, 2005, 06:45:41 PM »
I hooked up my scope meter and saw that I had delay on rising edge after the
opto couplers, I changed some resistors and know it works perfect. :)
Then I discover that when I was using Mach2 my hardware missed every first
step in both directions, thats way it ended up right anyway.
Thats was tricky to find. ???

Thank you
Roger

38
General Mach Discussion / Step loss on Mach3
« on: November 14, 2005, 07:52:54 AM »
Hello, I'm using the latest version of Mach3 and loosing one step everytime I change direction.
If I jog my machine with lowest resolution so I got only one step each time I press arrow button,
and press X+ and then X- then the axis moves only in one direction. But if I run the same thing
Mach2 then it works as it should. I have tried to play with step and pulse widht under motor tuning
maybe I could see a small improvement with a longer dir pulse but not enought.
What could be different between Mach2 and Mach3 with the step/direction function?

Best regards
Roger


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