What is wrong with this code? Fanuc millturn question.

[Bruce Caulley]

Ahoy!

 

Having trouble going from rigid tapping with milling tools back to turning mode. At first I thought I hadn't canceled the tapping cycle correctly, but am not so sure now. The machine taps, then does a TC, then completely blows past the spindle start command and keeps going.

 

Normally if the turret is still active and I try and start the main spindle it just pauses on that line and does nothing.

 

code:

---

M28

M95

M91

G97S100M103

M29

G88X22.F0.45

Z-23.

C120.

Z-6.

C240.

Z-23.

G80

M96

G0Z300.

G28U0.M105

T0202

G97S600M3 <=============Skips this line

G0X42.Z-32. <============waits here

M26

G1X23.F0.12

G28U0.

G0Z300.

M9

M27

M30

---

Any ideas?

 

Bruce

[Superman]

Hi Bruce,

 

Is there a code to change from "milling mode" to "turning mode" missing ?

We have Okumas and a DMG, they both require an M-code to switch from turning spindle DZ to milling spindle XY

 

PS I'm not up to date with Fanuc code ( as you probably guessed )

( if you are sick of the rain, sent some down south )

[Ron Branch @ Verisurf]

He is right Bruce you need to use some kid of a mcode to switch from mill to lathe mode. Look up your M codes and they should be +100 or +200 for one to the other.

 

HTH

[dougm]

on the main spindle

change the G97 S600 M3

to G97 S600 M3 P1

 

on the driven tools insert P2

[Bruce Caulley]

No go.

 

Previously as long as any cycles were canceled and the machine had an M105 to turn the turret spindle off you could go straight to the main turret no problem.

 

The weird thing is that it just skips the line as if it isn't there. Previously it would stop there if it couldn't go to the main spindle.

 

I'll look up some old programmes and find out what is going on.

 

Bruce

[Wislander]

Did you cancel main spindle orientation?

[Mick]

Bruce,

 

What kind of machine is it? We have several Mori Seiki Mill Turns here, so I should be able to help.

 

Regards,

 

Mike

[Bruce Caulley]

Looks like it is a ladder problem in the control. We have started using "normal" fanuc tapping cycles rather than the i-guide ones and apparently the machine wasn't setup to use them properly.

 

Bruce