[Tancuda]

Hi all,

I'm writing a macro on a jig grinder and getting this alarm,
here's the end of the macro and it would be very appreciate
if somebody could comment.
Thanks


G54
bla bla .....
G51.1 X0 (mirror image on)
move here
move here
M5
G50.1 (cancel mirror)
G17G40G80G90 (alarm is on at this line, and without this line, no change)
G91G28Z0 (tried G53 Z0, no change)
M30

[underthetire]

Macros end with M99, not M30 AFAIK.

[dcoupar]

Illegal G-Code often means the option is not installed. You might post the whole segment between the G51.1 and the G50.1 just to be sure there's now illegal commands while the G51.1 is active/

"In programmable mirror image mode, G codes related to reference
position return (G27, G28, G29, G30, etc.) and those for changing the
coordinate system (G52 to G59, G92, etc.) must not be specified. If
any of these G codes is necessary, specify it only after canceling the
programmable mirror image mode."

[Tancuda]

Thanks dcoupar, here's the segment of the program and
if I run it like this, it will stop at line "G91G28Z0" even with G50.1 before that line.
Does that mean the mirror is not really canceled?

And sorry for some french in the macro.

G51.1 Y0.0 (MIRROR)
G01 X=#508 Y=#512 F100.0 (APPROCHE X ET Y)
GOTO25
N20

M01 (OPTIONAL STOP POUR CHAQUE PASSE GRINDING)

N25

G01 Z#516 F100.0 (DEGAGEMENT Z)
G01 X=#508 Y=#512 F100.0 (APPROCHE X ET Y)
/M20 B0 (Z CHOPPING ON)

/2 G01 Z#520 F100.0 (START Z SI PAS DE CHOPPING)

GOTO40

N30

G01 X=#508 Y=#512 F100.0 (APPROCHE X ET Y POUR FORM CHECK)
G01 Z#544 F100.0 (START Z POUR CHECK SHAPE)
F#552 (FEED POUR CHECK SHAPE)
D0 (COMPENSATION ANNULER)
GOTO1 (VA A LA FORME)

N40
F#548 (FEED POUR GRINDING)
D10 (ACTIVE COMPENSATION TOOL #10)
GOTO1 (GO TO SHAPE)

N50 (BACK FROM SHAPE)

IF[#540EQ1]GOTO70 (SI POUR CHECK SHAPE VA LIGNE 70)
IF[ABS[#103-#528]LT0.00001]GOTO60 (IF NO MORE CUT GOTO 60)
#103=[#103-#532] (DECREMENTER COUPE DEPART)
#2610=#103 (UPDATE WEAR #10)
GOTO20 (LOOP FOR ANOTHER PASS)

N60

IF[#536EQ0]GOTO65 (SI PAS DE FREE CUT VA N65)
IF[#106EQ#536]GOTO65 (SI FREE CUT TERMINER VA N65)
#106=[#106+1] (INCREMENTER NB FREE CUT)
GOTO20 (FOR FREE CUT)

N65

M5
M15 (PLANETARY OFF)
/M21 (CHOPPING OFF)
M26 (DUST COLLECTOR OFF)
G50.1 (CANCEL MIRROR)
N70
G91G28Z0
G17G40G80G90
D0 (DESACTIVE COMP. TOOL#10)

M30

[dcoupar]

Thanks dcoupar, here's the segment of the program and
if I run it like this, it will stop at line "G91G28Z0" even with G50.1 before that line.
Does that mean the mirror is not really canceled?

And sorry for some french in the macro.

G51.1 Y0.0 (MIRROR)
G01 X=#508 Y=#512 F100.0 (APPROCHE X ET Y)
GOTO25
N20

M01 (OPTIONAL STOP POUR CHAQUE PASSE GRINDING)

N25

G01 Z#516 F100.0 (DEGAGEMENT Z)
G01 X=#508 Y=#512 F100.0 (APPROCHE X ET Y)
/M20 B0 (Z CHOPPING ON)

/2 G01 Z#520 F100.0 (START Z SI PAS DE CHOPPING)

GOTO40

N30

G01 X=#508 Y=#512 F100.0 (APPROCHE X ET Y POUR FORM CHECK)
G01 Z#544 F100.0 (START Z POUR CHECK SHAPE)
F#552 (FEED POUR CHECK SHAPE)
D0 (COMPENSATION ANNULER)
GOTO1 (VA A LA FORME)

N40
F#548 (FEED POUR GRINDING)
D10 (ACTIVE COMPENSATION TOOL #10)
GOTO1 (GO TO SHAPE)

N50 (BACK FROM SHAPE)

IF[#540EQ1]GOTO70 (SI POUR CHECK SHAPE VA LIGNE 70)
IF[ABS[#103-#528]LT0.00001]GOTO60 (IF NO MORE CUT GOTO 60)
#103=[#103-#532] (DECREMENTER COUPE DEPART)
#2610=#103 (UPDATE WEAR #10)
GOTO20 (LOOP FOR ANOTHER PASS)

N60

IF[#536EQ0]GOTO65 (SI PAS DE FREE CUT VA N65)
IF[#106EQ#536]GOTO65 (SI FREE CUT TERMINER VA N65)
#106=[#106+1] (INCREMENTER NB FREE CUT)
GOTO20 (FOR FREE CUT)

N65

M5
M15 (PLANETARY OFF)
/M21 (CHOPPING OFF)
M26 (DUST COLLECTOR OFF)
G50.1 (CANCEL MIRROR)
N70
G91G28Z0
G17G40G80G90
D0 (DESACTIVE COMP. TOOL#10)

M30

Tankuda,

The first block under N50 jumps to N70 if #540=1. This skips the G50.1 then calls a G28. This might be a problem.

Dave

[Tancuda]

Thanks dcoupar

Yes you're right, but my variable #540=0, so no jump, but I'll fix that because my variable could be 1,
and I just tried cancelling my mirror with G50.1 Y0.0 instead of just G50.1 and its fine !!!!
Any idea why??

Thanks again.

[drdos]

I believe when you specified which axis to mirror you also have to specify which axis to cancel the mirror. As you could have more than one axis running mirror images at the same time. The controller needs to know which axis you want to cancel the mirror image with G50.1

[Tancuda]

Thanks guys,

If I write G51.1 Y0.0 it will mirror on X axis !! Normal ??

And if I write G51.1 Y1.0, do I have to cancel with G50.1 Y1.0 or Y0.0 ?

[sinha_nsit]

G50 does not require any argument, but G50.1 does require it.
G51.1 and G50.1 should both have the same argument (the axis of symmetry).