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Thanks guys. I feel like a moron. I flipped the switch the other day thinking it enabled power save mode. Machine works fine again.

Is the main breaker on the machine a ground fault breaker? I don't see the circuit for the light pulling enough current to trip the breaker.

What else happens when to machine sees an M30 command?

Yes, I believe it was switched on.

Leave it to me to have the weirdest issues of anyone. My mill is tripping the main breaker every time at the end of the program. The machine goes to home position and everything is happy, but then,...

I will be drilling a .375" hole 1.5" deep in 6061 aluminum with a CNC lathe. I need the base of the hole to have a square shoulder like you could get with an end mill. The hole will have to be...

Does anyone have a post processor for this control?

A

I recently bought an Okuma MC-4VA and am running into memory limitations. It will only hold a program with a maximum size of around 16kb in BB1.

What do I need to type into the controller to...

Bringing this post back from the dead. I too just bought an Okuma MC4VA from an auction and received no manuals.

1990 MC-4VA with OSP 5000MG controller.

Does anyone still have these manuals...

The nameplate on my MC4VA says a max draw of 75 amps. I assume this is at the lowest voltage of 220V. I will be running the machine on 480V and am trying to dertrmine the size wire and breaker i...

Thanks for the reply. I will go with a tension/compression tap holder.

I just bought a 1990 Okuma MC-4VA. Does it support rigid tapping?

I need to drill a 5/64" hole in 1000 pieces and would like to be able to drill it and deburr it in one process. The hole must be .215" deep so that is out of the reach of a #2 center drill.
...

Thanks Thawk53.

G77 worked great!

I don't think it's an LB-10m. It's an 88 model if that helps.

I have an Okuma LB-10 and am getting started on my second project ever. I will be tapping a 10-32 thread into 300 series SS.

The only code I have found in the book for tapping is G-184 but it...

I have an Okuma LB-10 and I was having a similar problem. I replaced all of the electrolytic capacitors on the Z-axis drive board and the problem went away. Apparently the electrolyte in the...

If I have a wild leg from 3 phase power, what connection does it need to hook to on the machine? I was going to hook it to L3 but just wanted to make sure before I did so.

Thanks

I recently purchased an Okuma LB-10 that had been running on 220V 3-phase.

What do I need to change to run it on 480V 3-phase.

I figure there might be some jumpers to re-position on the...