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[Lathe] Brain scratching a Hitachi Seiki HT-25 turning center

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johneezreno

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#1
OT007 Z+ Overtravel HARD limit reached. Can't bring machine back to life. Having very limited knowledge as in none hasn't helped much. Control is a FANUC 10T


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tweinke

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#2
oh boy! I thought I was the only one who turned the "learning curve" into the "learning cliff" Im sure someone in the know will chime in soon.
 

johneezreno

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#3
Yup been trying every forum I can find. Lol. Its stuck / locked in this EMG mode and I'm thumbing through the manuals I have waiting for hopefully an answer that'll help.

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kd4gij

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#4
Take a picture in side showing where the carriage is. It could be a bad limit switch.
 

Tony Wells

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#5
It's been too long, and I never really spent much time on the CNC machines so I can't directly help, but I did find a video that could be related to your problem. It's also something that should be addressed in your manual.

 

johneezreno

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#6
Thank you. Yes I did find the same video. Did you watch part 2. Machine fixed. Lol. No idea how. It just worked. Maybe I'll have same luck in the morning.

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Tony Wells

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#7
You're very welcome. No, I did not go on to pt 2. I will, probably in the morning. If we can't get it figured out, I may have the phone numbers to reach some former acquaintances who may be able to help. I've been away from it a long time, but know people still at it daily. The 10T is a good control, IMO, and there are workarounds for just about everything. It's just not on all that many machines working in shops these days.
 

johneezreno

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#8
My other fun machine lesson has been a Brother TC-225. Conversational control. No G codes with that control. 30BT tooling.


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Tony Wells

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#9
I never cared much for conversational controls, myself. But then, I've only been on a couple of different ones, and they both ran standard G code as well, so that's the mode they were left in most of the time. I think they have a place, it's just my preference.
 

johneezreno

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#10
For anyone who's looked at this post, I figured it out. While turning the ball screw by hand I noticed the drive belt pulley to the motor wasn't turning. There is a, must be safety thrust assembly that disengages pulley from screw. Luckily I had alignment Mark's. Lined them up. Pushed into place. Vualla! EMG went away because signal was met.


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Tony Wells

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#11
Good to see it was a simple fix.
 
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