Feed of G01 G02 G03 not working Fanuc O-MD

cuki110 · Oct 13, 2020

Hello there, I need help with my vmc milling machine. The problem is on feed G01 G02 G03. When I running a program the G00 is working (table move), but when go trough block G01 G02 G03 the table just stay won't moving at all, although when I press dry run all motion is working. Fanuc O-MD. Can someone help me please. i will be appreciated. Pardon me for my English.

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atex57 · Oct 13, 2020

What line does it stop on?

What is your start up block?

Ed.

Vancbiker · Oct 13, 2020

Did the machine work previously, but not now?
Do you have a G94 in the program?
Is the spindle turning?

cuki110 · Oct 14, 2020

Vancbiker said:
Did the machine work previously, but not now?
Do you have a G94 in the program?
Is the spindle turning?

I don't know, i just got the machine about 2 month with dead condition, I've tried with G94 not working.

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cuki110 · Oct 14, 2020

atex57 said:
What line does it stop on?

What is your start up block?

Ed.

The table working fine from N4 to N204, but when bypassing G01 it's just stay not move at all.

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atex57 · Oct 14, 2020

Put a G97 and a G94 in line N4 and try it. G97 tells it to use spindle RPM and G94 tells it to use feed per minute.

Ed.

cuki110 · Oct 14, 2020

atex57 said:
Put a G97 and a G94 in line N4 and try it. G97 tells it to use spindle RPM and G94 tells it to use feed per minute.

Ed.

Ok, I'm trying right now.

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cuki110 · Oct 14, 2020

cuki110 said:
Ok, I'm trying right now.

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Still not working sir.

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cuki110 · Oct 14, 2020

cuki110 said:
Still not working sir.

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Do you have a Facebook? I'm gonna send you a video of the machine

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Booze Daily · Oct 14, 2020

I'd try a slower feedrate. It might not like a four digit number.

cuki110 · Oct 14, 2020

Booze Daily said:
I'd try a slower feedrate. It might not like a four digit number.

I've tried with F100. MM/M it's same

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Vancbiker · Oct 14, 2020

When it stops at a G1, G2, or G3 command, what is the condition of Diagnostic 120 bit 4? This is the spindle up to speed signal. It should be 1 when the spindle has attained 80% of the commanded speed(+/- any spindle override inputs). The machine tool builder can disable feed motion until this status is attained.

cuki110 · Oct 14, 2020

Vancbiker said:
When it stops at a G1, G2, or G3 command, what is the condition of Diagnostic 120 bit 4? This is the spindle up to speed signal. It should be 1 when the spindle has attained 80% of the commanded speed(+/- any spindle override inputs). The machine tool builder can disable feed motion until this status is attained.

I will look at it now

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Nerdlinger · Oct 14, 2020

Is there a feed override switch that is either on zero or in between spots on the selector switch? Do any other programs run?

cuki110 · Oct 14, 2020

Vancbiker said:
When it stops at a G1, G2, or G3 command, what is the condition of Diagnostic 120 bit 4? This is the spindle up to speed signal. It should be 1 when the spindle has attained 80% of the commanded speed(+/- any spindle override inputs). The machine tool builder can disable feed motion until this status is attained.

What's parameter of the speed signal?

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cuki110 · Oct 14, 2020

Nerdlinger said:
Is there a feed override switch that is either on zero or in between spots on the selector switch? Do any other programs run?

I've tried many program but it's same.

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cuki110 · Oct 14, 2020

Vancbiker said:
When it stops at a G1, G2, or G3 command, what is the condition of Diagnostic 120 bit 4? This is the spindle up to speed signal. It should be 1 when the spindle has attained 80% of the commanded speed(+/- any spindle override inputs). The machine tool builder can disable feed motion until this status is attained.

Is this right?

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Vancbiker · Oct 14, 2020

Yes that shows that 120 bit 4 is zero.

Is parameter 24 bit 2 set to 1? If it is then set it to 0 and see if the machine will feed. If it does then you will need to figure out why diagnostic 120 bit is not changing to 1 when the spindle is up to speed.

Evenglischatiest · Oct 14, 2020

Have you tried turning the machine off, then back on? It's amazing how many problems that can fix.

cuki110 · Oct 15, 2020

Evenglischatiest said:
Have you tried turning the machine off, then back on? It's amazing how many problems that can fix.

Many times brother... But won't fix it.

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Feed of G01 G02 G03 not working Fanuc O-MD

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