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Recent content by aj
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Error RS232C_2
Is it possible your memory's full? Not enough room for the program you're sending? Seen this on a couple of older lathes in our shop.- aj
- Post #14
- Forum: CNC Machining
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Help backing up Fanuc 21i
Are you trying to back up the MTB ladder? On our 16s and 18s there's a keep relay you can change that'll give you the ability to back up the ladder and sysprogram files from the System screen. Not 100% sure it'll work on your 21. I'd check with Fanuc. They should be able to tell you if it'll...- aj
- Post #5
- Forum: CNC Machining
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Old Star swiss wont close collets (main and rear spindle)?
Have you checked hydraulic pressure? That probably will affect your tool changing capabilities as well.- aj
- Post #2
- Forum: CNC Machining
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Nakamura Toolholders
Have you tried eBay? We found holders there that were a pretty good deal several times for our Naks.- aj
- Post #5
- Forum: CNC Machining
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Nakamura TW20, Fanuc 16TT, need parameter to lock/unlock turret manually
Heard from my tech friend at Method's. There's no provision for me to do what I'm trying to do. The TW20 has a "lift and turn" turret. No hydraulic pressure keeping it closed. Thanks anyway guys.- aj
- Post #3
- Forum: CNC Machining
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Nakamura TW20, Fanuc 16TT, need parameter to lock/unlock turret manually
Greetings everyone. I have a Nakamura TW-20 (Fanuc 16TT) with a hydraulic leak out of the back of the turret. I'd like to put the machine in maintenance mode and manually lock and unlock the turret to see if the oil leak is related to the turret clamping pressure. On our WT-150 and WT-250...- aj
- Thread
- Replies: 2
- Forum: CNC Machining
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G32 after G76 for thread cleanup?
I ran a few jobs where I had to go in and do a clean up pass because of a cross hole. And Bill is right. G76 infeeds at whatever angle you put in your initial G76 parameters so the Z start position isn't the same on the first pass as it is on the next or the last. And Kevin is right. You...- aj
- Post #35
- Forum: CNC Machining
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My machine will pump coolant then it will stop and run a cycle with no coolant. Pleas Help
You said it's a twin spindle with two coolant pumps. They share the same tank. Is there a divider in the tank between the two pumps? It'll likely be a screen type of thing. Maybe it's not letting coolant back to the 2nd pump?- aj
- Post #10
- Forum: CNC Machining
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Is there a way to tune torque sensitivity on drives on Nakamura TW-10 with Fanuc 16TT controler?
Fanuc provides an adjustment for max torque for all axes in parameter 2104. You can try lowering the max value for your particular axis to see if you can get the results you want. You'll need to be on the "side" you're trying to change. Only thing I'd worry about is getting the B-axis too low...- aj
- Post #10
- Forum: CNC Machining
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Thread Roller Help
The only threads I've had the pleasure of rolling were much smaller than your 1.75 threads, but at a guess if you're rolling them for over two minutes you're taking too much time. The threads I rolled were 3/4 NPT and formed in a matter of 3-4 seconds.- aj
- Post #2
- Forum: CNC Machining
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Need Help
At a guess it sounds like the 'R' value in the second line of your G76 (if you're using G76) is incorrect and you're not threading enough of a taper - you're thread isn't getting smaller as you're threading in the hole.- aj
- Post #2
- Forum: CNC Machining
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Fanuc 18i Control Locked Up
I can DM you the proceedure from fanuc for various levels of clearing memory. Lemme know, eh?- aj
- Post #7
- Forum: CNC Machining
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1994 Nakamura-Tome TW-20 Power requirements.
They are, yes. Twin spindles, twin turrets, live tooling on both spindles. All three were fitted with collet snouts. They're still supported by Methods Machine.- aj
- Post #12
- Forum: CNC Machining
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1994 Nakamura-Tome TW-20 Power requirements.
Went in to where I used to work today for a repair and took this photo from the back of one of the TW-20 machines.- aj
- Post #8
- Forum: CNC Machining
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1994 Nakamura-Tome TW-20 Power requirements.
We had 3 of those where I retired from. If memory serves, they were 200A.- aj
- Post #2
- Forum: CNC Machining