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Null modem cable should do.

Didn't realize this thread was this old...LOL... been doing a lot of turning without threading..... :)

I took a working encoder out of anther lathe and installed it and am getting the same type of...

Coming back to an old thread here....finally got the machine up and running a year later....by going at it off and on.....

to say I learned about machine repair is an...

I just got thru rebuilding the spindle drive unit. I redid the PCB and replaced all transistors, diodes, and caps......replaced the transistor pack and reassembled the drive.....every thing works...

Hey guys..still wondering if you guys could answer my Diode question....the diodes on the board that need to be replaced....anybody know about em???

Okay guys....Im still in the middle of this repair....Have a "Diode" question......

First I bought the book for the drive unit.....my particular unit is called a "3s" (A06B-6059-H003)

Bought...

First off I want to thank all you guys for your posts here concerning AL-12 alarm on spindle drive unit.... :)

I have a Kitamura Mycenter-1 that has a Fanuc OM control....the other day, I had the...

thnks guys.....still having the issues....about to take the encoder apart and check her out

no...not any of that......

Im starting to think of cleaning out the brushes on the spindle motor and the ones on the tac as well....ever heard of that being a problem with threading???

My 6T hardinge superslant is suddenly not threading correctly......

looks like one side of thread is cutting more than the others.....if I raise the RPM of the threading cycle it gets...

Well...machine does this still...every day....after I catch it and home it a few times....then the parts are on size and repeat for 20 hours straight....go figure.

that's a good call...Im gonna check the switch....

if the switch was sticky.....would that give a flase x-value reading?....

it only does happen when I first start a new program.....or turning...

Hey guys,
I have a hardinge superslant with GN6 control (6t)
little quirk started a few weeks ago....I find strange.

when I start it up....I home the axis....the home position for X is correct...

figured it out.....ugh.....Im usually better than that....Ill check the thread in case anyone else is looking

Wondering if I can get some help on a new machine (to me)

I have a 1999 Akira Seiki with Mitsubishi Meldas 520 AMR control.

I can send and receive programs no problem.

I have a program too...

Just moved the machine to make room for another.....Im still hell bent on it running :)

I have the logic chain here for startup.....Im gonna run the gambit.....Ill let ya know.

No luck...Still wondering if anyone may know whats up with my 6t lathe :)

I checked the limits and it is not them....now when I push the E-stop reset.....I do not get anything other than a click from the hydraulics.....any help would be great.

Ok...Ill check it....

The machine was running fine 72 hours ago......and since it was x-axis coupling....I figured it would originate out of that repair.....it is strange that I can manually move...

not now....it was for a bit due to mistiming the resolver....but that alarm is off....I can bring it back on at anytime by manually moving the x-axis up or down....and hitting the...

I have a Hardinge Superslant lathe from the mid 1980's. It has a 6T control (General Numeric "GN6").

A few days ago, I had the coupling (between resolver and ball screw) go out for my X-axis and...

thank you so much guys...Im on the case this morning....

gotta lot of NPT holes to tap! :)

Hey guys, I wanted to know if you can tell me what my tapping issues are on the mill....

I have ready the manual for the fanuc OM-B and have done all it asks. When I try tapping...I get no...

for reference in the future....it was the power supply....installed the new one and have been running great for weeks

Thanks!
I'll do the run thru...
When I rebuil the machine a few month ago...I spent $450 on 3 new limit boxes for the axis...
I'm so grateful to all your advice....for sure...thank you.
Looks...

thanks guys...Ill give it a try

Wondering if u guys can tell me if power supplies go out gradually or all at once?

I have a Fanuc OM kitamura...

If I try to turn it on cold...I get nothing other than a click from the back
...

Hey guys, I have a 1992 kitamura mycenter 1 with fanuc OM control.
The machine had sat for 13 years after owner passed away.
I rebuilt her and have been running flawless for 4 months.

A couple...

Hey guys, I have a 1992 kitamura mycenter 1 with fanuc OM control.
The machine had sat for 13 years after owner passed away.
I rebuilt her and have been running flawless for 4 months.

A couple...

Hey,
I recently posted looking for a post for a SNK, but I need to be more specific. The control is ran by a computer using a NIT (Numeric Interface Technology) control.
I was wondering if anyone...