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I have just purchased and installed a PhasePerfect digital phase converter. Because the electric coming from this unit is delta balanced (phase to phase, not phase to ground), one leg (T3) has...

I have just purchased and installed a PhasePerfect digital phase converter. Because the electric coming from this unit is delta balanced (phase to phase, not phase to ground), one leg (T3) has...

What a mess. Four weeks ago, my Fanuc 0mc equipped VMC displayed an alarm 434, low voltage to the Z axis servo drive. The machine is powered by an American Rotary phase converter. Since the...

Thanks for your help, dcoupar. Early this morning, in MDI on Parameter screen 1 I changed REVX = 1 to REVX = 0. I just know I keyed in a 1 for PWE in that spot by accident. Now the X axis moves...

While attempting to reposition the the tool change location (command G30 and Parameter 737) on my VMC with Fanuc 0M-C, I really messed something up. My X axis now moves backwards! A G91 X3.0 moves X...

HOORAY! You guys are awesome! Long story made short, I measured the gauge line on the too changer arm from the table, and the gauge line on the tool holder in the spindle at the home position. I...

Stevo, in response to your statement, "...but this ONLY changes your tool change position everything else is still off. Tool offsets, workoffsets, any tool probe positions ect. By doing a gridshift...

Thank you, Stevo. Ain't it a shame that I had to break this to learn how to fix it? The kind people at Fanuc tell me the following:
Parameter 507=X gridshift amount
Parameter 508=Y...

Here is something interesting I found in the machine inspection record. Parameter #737 was originally set to 00001500. This is crosed out with a pen a written next to it is 00002800, dated...

Ahn and Stevo,

Thanks for your response. It makes sense to me that I "shifted the grid" when the Z axis crashed. Since I can't do anything from MDI to correct the tool chande problem, I...

Tim, I will try your suggestion in the morning. It's almost 11:30 PM, and I've been fighting this since 8:00. I WILL win, but first I gotta get some sleep. Please check back in the AM for my...

No sir, that one does not work either. This time I specified a different tool (T03 M06) from 2.5000 inches away from the home position and the carousel stopped in mid motion when the fault occurred....

Ahn, no luck. After I turned on the power and got the home lights, from MDI I commanded G17 G20 G80. The command was accepted. Then, T02 M06. Yet again, Z went up .0963" from the home position,...

Yes, I did. Both NC power and main power have been shut down. Knowing this, do you think I need to command a G80 to clear a canned cycle (the G84 tapping)? Can that be stored in memory with main...

No success, Ahn. After I got my home lights, from MDI I commande G91 G30 Z0.0; The Z axis traveled + 0.0966 inches and stopped, displaying "NOT READY" and gave an "OPERATOR MESSAGE NO. 2019" and...

During a momentary lack of attention, I restarted a program not realizing that my Fanuc 0M-C was still in G84 tapping mode. The Z axis spindle did a rapid travel into a pine 4 X 4. The tap went...

First of all, thanks to all of you contributers who make this such a useful site. It's great to browse all the threads and posts that deal with some of my questions. It is also reassuring to see...

Thanks, Ahn. The ATC is hydraulic. First thing in the morning I'll check the fluid levels and try to feather the solenoid valves. I was hoping to fix this problem from the control box, but...

Hello, everyone. I recently purchased my first CNC machine, a 1995 EXCEl 810 VMC with FANUC 0m and a 24 place ATC. What a joy when I fired it up and had movement on all 3 axis! While exploring the...