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Hi Karl, I have seen several posts where you mentioned the exhaust solenoid on the air motor. Could you give me a few details on what you used and where you placed it? If you happen to have any...

Hello, I know this is an old post and I hope you got your problem solved. There isn’t much information out there on the CHNC III machines and I was wonder if you might have any information or parts...

Thanks, they are kind of special, the originals are driven by an air motor in only 1 direction, but that is definitely a variety of the Hardinge HNC or CHNC Lathes.

I am looking for information...

https://youtu.be/g-13Umr-9j0?si=fBgByQnk2Fb7qUuk

I saw this video of a CHNC retrofit and it has the slowest and smoothest turret movement I have ever seen on a CHNC.

Has anyone converted one...

Hello I am looking for some information on a Renishaw FI 5 interface for a lathe tool setting probe.

Would like to find a manual and what kind of probes will work. It has to be old it’s on a 1985...

Thanks Craig, I guess I just assumed there was some place that specialized in this sort of thing so that a guy didn't have to spend time on basic items like that. Even the ones that I have found...

Hello I am needing some servo motor pulleys.

19mm keyed bore with set screws, 5mm pitch, 25mm wide belt, 22 teeth.

The only thing I can find just have a pilot bore. Where is a good place to...

Well I partially answered my question, in that I have another old CHNC II that has an A06B-6044-H008 drive sitting here and I disconnected the drive on it, jumpered the same wires applied 1.5 volts...

I have read all of this with great interest, even though much of it is way beyond my abilities and understanding. There looks to be more knowledge about these drives gathered on this thread than I...

In its day the CHNC II+ was a very accurate and precision made machine. It had the best of equipment used and the machine is still in great shape, but the electronics are way outdated and I have...

Centroid recommended their hickory controller with the ethercat motors and drives for my application. After looking over the whole system,it seems like a simple solution, and I don’t really see where...

Thanks, when I used the links I cannot tell whether the motors are ELM1 or ELM2. Centroid recommended ELM2H-0750MA0E with EL7 drivers is that what I am viewing on the 750watt link?

Thanks Gary

Thanks for the information, it was an interesting read. The machine is an older Hardinge CHNC II Super Precision or so it says, so I assume the screws are fairly high grade, but you are correct that...

Hello, looking at these Leadshine Ethercat motors (EML2H-0750LA80F) they have a 23 bit optical encoder and I am wondering what that means in terms of repeatable positioning accuracy. I understand...

Does anyone have a diagram of the component locations on the a Hardinge CHNCII about a 1986 vintage. I am looking specifically for the TB6 and TB8 terminal strips. I guess I can just tear the whole...

I have a Fanuc 10TF control that needs a new fiber optic cable. Point A to Point B is only about 1 foot but it has a 5 meter cable on it now. Does it matter how long the cable is as long as it gets...

Double tapped.

Thanks for the reply. I have been comparing what happens on the two machines and I am pretty certain there is not an issue with the fiber optic cables.

There are two cables one goes to the I/O...

I could sure use some trouble shooting help with a Hardinge CHNCII+ with a Fanuc 10TF control. I have another working CHNCII with a 10TF control that is a little older but this machine appears to be...

I have two CHNC2's and they weigh 5000 with out any accessories.

Gary

Thanks for the replies and I understand about the air cutting, I was just trying to make sure I understand what tells it the actual cutting start point.

So that brings me to one more question....

When setting up a single block G71 turning cycle or G72 facing cycle is it the line prior to the G71/G72 that determines the stock size and how much metal needs to be removed?

G00 X1.300 Z.1
G72...

Thanks for the replies and I found that the memory was full and after I deleted a few old programs I was able to transfer the FAPT program to the NC side.

Thanks Gary

Well I got my turret fixed and I am back to the FAPT. I have managed to create a simple program in FAPT just to take a test cut for checking my tool offsets but I can not get it to transfer over to...

Well I went ahead and bought a used board and it should be here in a couple of days.

It looks pretty much plug and play, is there anything on this board that is specific to my machine and has to...

There is just one board thought it might be possible to actually switch out puts on that board but it doesn't look likely.

I would sure like to get a schematic of that board if anyone has it.
...

I have one of these that has a bad out put because of short on the turret and I have a couple questions.

Is there a specific part on that board that would go bad after a short.

Second if I...

Thanks a bunch, I will try not to wear you out with questions but it sure is nice to be able to get some answers. I am experiencing some turret indexing issues right now that I am going to have to...

Thanks fordav11,

I thought I had looked through the parameter sheet and couldn't find the answer, but once you pointed them out they are very obvious. I will study those options a little better. ...

Well thanks to your help I found the parameter pages on my control. I was planning to write them all down until I saw that there were at least a million of them so I took pictures of every screen...