[xenginebuilder]

Hello, new to this forum, thought I would ask a question for the Mori guru's regarding a minor problem that I have with drilling on center.

My machine is a NL-2500Y/700 MSX-850. I had the machine enabled for a Y tool offset for turning so I could indicate my drilling and live tool offsets. However, when using the turn drill routine, the g-code that is posted only outputs an "X0" prior to the G1, I have to manually enter a "Y0" on the same line, then after the tool returns to the start position, enter a G28U0V0 so the next routine or tool change runs. When using the machining cycles for drilling, the tool position is automatically set to X0Y0. Is there a way to get the CAPPS to insert the "Y0" in turning code so I don't have to go back in and manually edit every time I re-post the g-code?
Thanks

[WOLOG]

How old is the machine? Mine is a Jan '08 and I don't think mine has that parameter. There is an older post that describes this very thing.

[xenginebuilder]

How old is the machine? Mine is a Jan '08 and I don't think mine has that parameter. There is an older post that describes this very thing.

We bought it new in 2006, but I did not know about the Y offset until I asked about trying to correct what I thought was a tooling problem about 6 months later. I don't think they ship the machine with the Y offset enabled for turning as a default, but a tech can change the parameters in an hour. I would think that since there doesn't seem to be any significant changes in the controls that yours should be able to do that if you want.
I never did a single line of g-code before we bought this machine, so I'm still learning.

[the thrill]

if your machine is off to the point where you have to set a Y axis offset, you have to have the machine re-leveled and adjusted.

The machines are set from the factory based on the centerline of a boring bar and the leveling bolts under the machine allow for twist as well as Y axis adjustment for the bed. You should NEVER have to put a Y shift into your program unless you're using MD Tooling or WTO multi-head turning blocks.

Don't put a band aid on a bleeding artery... get the damn thing fixed.

Who's your distributor? Ellison Minnesota? I know a few guys from there.

I offer training on Mori Seiki machinery as I am an ex AE/product specialist. If you want any assistance with your machine for CAPS programming, set up/operation or help with G code let me know. I do on and off site work

[xenginebuilder]

if your machine is off to the point where you have to set a Y axis offset, you have to have the machine re-leveled and adjusted.
The machines are set from the factory based on the centerline of a boring bar and the leveling bolts under the machine allow for twist as well as Y axis adjustment for the bed. You should NEVER have to put a Y shift into your program unless you're using MD Tooling or WTO multi-head turning blocks.

I understand what you're saying, in the manual they describe indicating to a boring head to determine the offset, however of the 3 boring fixtures and 3 right angle live tools I have, they all differ a little bit, so how do you decide which to trust as the "standard"? And IF you've reset the entire machine to that one tool, without a Y comp how would you use the other tools?
My Y tool setting offsets rarely change at all once they are set, I have no diameter or taper issues turning long parts, and the guys from Ellison checked the machine out thoroughly when they enabled the offset function. It was the opinion of one of their experienced techs that the machines are shipped with a slight Y offest to start with. For me that was not working when I was trying to make precision drill holes, I thought there was something wrong with the machine.

I offer training on Mori Seiki machinery as I am an ex AE/product specialist. If you want any assistance with your machine for CAPS programming, set up/operation or help with G code let me know. I do on and off site work

Well, that is what I'm hoping to get here, most of what I do is a mix of g-code and conversational, the quirks and small issues I've come up with pretty much fall on deaf ears at Mori. They are helpful when you talk to them, but unless they know the answer there is little follow up.

[the thrill]

sorry for the late reply. I never got a notification email about there being a new post in this thread.

how much do they differ? They should all be machines to a very tight specification and the 3 key interface on the turret should only have a max .0005" deviation. I've never had to compensate Y for anything and I've worked on NLs since the first ones hit US soil in late 2003/early 2004 (I was one of the first mori AEs to get my hands on one ). I've never heard of a slight shift of anything from the factory. Despite the poor management in the US, they make highly accurate machines and would never put a "fudge factor" in anything - although I do know about a few known issues about the NLs that mori has done nothing about... the Y axis needing to be shifted was never one of them...

anyway, if you're interested in any training or assistance, let me know! Where are you located in Minnesota? How well versed are you in CAPS programming? I offer beginner and advanced CAPS training, Esprit beginner and advanced training and contract programming (I have posts for the NL series as well) and I also offer on site set up and assistance... I'm basically a freelance Applications Engineer/Manufacturing Engineer. I don't mind getting my hands dirty but I'll typically show up in a nice button down shirt unless otherwise notified

email me if you'd like... [email protected]

[xenginebuilder]

how much do they differ? They should all be machines to a very tight specification and the 3 key interface on the turret should only have a max .0005" deviation. I've never had to compensate Y for anything

Well, on my machine each boring tool holder (I assume the stick holders as well), all differ a little. One might be -.0007 and the other was +.0012 for example. One I have turned backwards for more tool clearance on long drills, and I think has about .003" offset. I am convinced that the machine itself is very accurate and predictable in its ability to repeat once the offsets are calibrated, but I don't believe that you can necessarily trust any tool or tool holder to be absolutely perfect in all positions. When the techs checked the machine, we found that the two face milling live tools were almost exactly the same, so we re-calibrated the machine Y0 to those holders rather than the boring holders which all differed a little. This is not something I did myself, and the ability to Y offset for turning seems to have a lot of benefits. On a machine without a Y axis, I guess you would shim the holder to say make a face cut perfect?

My original question seems related exactly to the subject brought up in the thread
http://www.cnczone.com/forums/showthread.php?t=64824
regarding multiple tool holders and a y-correction for turning. The same problem postulated there is the subject of my original post: How to get the CAPPS to automatically output a "Y0" for turning so you don't have to manually edit the g-code every time I make a program change.

Anyhow, is this the proper setting for Y offset?

The latest version of MAPPS software allows for the Y positions to be set in your tool registration screen after you define your shape. Press the Tool Pos. button and it'll bring you to that screen and you'll see "Y shift" on the bottom left.
Set CAPS NC SPEC Parameter 81 = 2

I did not find this post until the weekend, I'll have to look at this on Monday at the shop and see what it looks like.

[pyroshizzness]

Hello, new to this forum, thought I would ask a question for the Mori guru's regarding a minor problem that I have with drilling on center.

My machine is a NL-2500Y/700 MSX-850. I had the machine enabled for a Y tool offset for turning so I could indicate my drilling and live tool offsets. However, when using the turn drill routine, the g-code that is posted only outputs an "X0" prior to the G1, I have to manually enter a "Y0" on the same line, then after the tool returns to the start position, enter a G28U0V0 so the next routine or tool change runs. When using the machining cycles for drilling, the tool position is automatically set to X0Y0. Is there a way to get the CAPPS to insert the "Y0" in turning code so I don't have to go back in and manually edit every time I re-post the g-code?
Thanks

From what I understand from the current replies before this one, you have static tools and live tools that are off if the Y-Axis. That doesnt make much sense unless you have quad stick tools or dual live heads on the same side. I just recently looked into quad holders and changed the parameter for Y-axis turning, the AE at Mori walked me through it on the phone and he told me that the machine doesn't realize you are turning with Y-axis when you put in a Y offset so it doesn't automatically put a Y0.0 because now that the parameter is changed the machine never checks for the Y-axis to be at home position before turning. But tools being off in Y is somewhat of a problem and it doesn't make sense for radial or axial tools to be off at all in Y unless you bought them for that purpose.

[xenginebuilder]

First, an update: My machine does not have the "2" option in parameter 81, but after talking with my dealer, I think that an upgrade to the software will enable that function and achieve what I want, a Y0 before turning and a G28V0 after, without having to manually edit. My problem now is that a concurrent upgrade to the Mori-APL is $$$ more than we have to spend right now.

From what I understand from the current replies before this one, you have static tools and live tools that are off if the Y-Axis.

I know that the replies here have been that there is a problem with my machine, but I don't share that view for reasons that I've already explained. I think each tool holder is somewhat unique and therefore not perfect. But, I would sure like to know what other people see for variation with a tenths indicator set up on the spindle and indicating the ID of the boring holders or face cutting live tools, whether the machine is a "Y" or not.

[WOLOG]

Both of my NL's have a slight deviation from holder to holder as well as turret positions. It hasn't caused any issues yet.

[xenginebuilder]

So, an update for those that were interested. The Mori tech installed the latest software for both NC and Conversational. With an option change, g-code output automatically sets a Y0 after the tool call, saving me a lot of editing, my original goal and question here.

However, a new problem surfaced which really caused some real headaches, my battery backup for the servos went flat while the machine was sitting, so the next time I powered up the machine had completely lost it's home postions. Another, longer and more expensive visit by a technician, and back to normal. I've replaced the batteries before per the nag screen when instructed, but never got a warning beforehand that the batteries were low. The other pair were still good, replaced all of course. The batteries go flat faster when the machine is powered down, not something that I was aware of before, am now for sure.