LB15W supspindel program question

Good morning,

I have a LB15W with a OSP5020L controller. have never used the subspindle, but have a job for it now.
As I can't program the sub in IGF I have hand written a code by trail and error.
I have the program almost complete but I have trouble with the end of the program on the subspindle.
After the last deburing routine, I travel the turret to a safe location and after that I want to stop the subspindle to stop turning.
I have tried all possibilities I could think of, but none of them works.
M05 give'd fault code 427-alarm B M-code unusable
If I put a G140 in front of the M05, same alarm
If I give a SC=0 command, it stops the spindle form turning, but the programs stays on that line, probably waits for a readback from the spindle speed of something.

Any experts out there who can help with this ?

Kind regards,

Peter from Holland

hy :)

try this

G141
G97 S500 M03
G04 F5
M05
M02

does it work ? :)

Hi Deadlykitten,

As soon as it reach the line with M05 it give's the 427B alarm

soryr, i can't check what 427 is

427 Unusable: M-code

try M19 instead of M05

besides that, i have no other ideas :)

or try S0 instead of M05
:)

it seems software problem, maybe software or parameters damaged

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If I give a SC=0 command, it stops the spindle form turning

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it does not use S0, but SC=0 / different syntax :)

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Originally Posted by deadlykitten

it does not use S0, but SC=0 / different syntax :)

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I tried S0 command on my 5020L before writing forum.
Machine spindle stopped

On one very old machine the used M148 and M149 to run the “pickoff” spindle with I believe an SB=500 command. But only 1 LB-9W used a M123 SC=500 as far as I know and then everything went to G141 with M3,M4,M5. What you describe I’ve never seen on any sub spindle Okuma. (And I’ve been on them all)
Maybe try M125 like the LB-9?
Are you using single block so that you are sure the M5 is causing the alarm and not something it is reading in advance? It’s not normal for G141, M3, and S500 to work and not the M5.

Can you show us your exact code?

I’m in N America, so can’t say what made it to Holland…

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And I’ve been on them all

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i am sure you did :) i guess you where also 1st on all okuma secret projects .... like mills with turrets and upside down conveyors

Hi Guys,

Little steps forward between jobs ;)

I Bought a original manual off ebay, with all the code's in it.
So that make's it a lot easyer.

It seems that M122 is the right code to stop the spindle.


As for now, I made a program in IGF, and changed al the Z value's to positive offset in EDIT.
Thinks this is going to work , haven't had time to prove it out, due to other work on the Okuma.


Here's a pic from the manual, maybe it will help some one some day
Attachment 485368

Attachment 485370

As soon as I have it running, I will post the code and make a video about it.
Still need to come up with a way to get the part out of the subspindle

So it is like the LB-9W. There is only 1 machine like that in the states. Sorry I had the stop code wrong, but the start code was right. ;-) (I never wrote down the stop code...and the battery is getting weaker!) That's a rare bird that you have there...They were only made like that for less than a year I think. Then it all changed to what we have today.

You can typically remove the dust cap from the sub chuck and replace it with a spring loaded ejector that bolts into it's place. They came to the USA with that as a standard included item, but I'm guessing yours is lost by now.

Good luck!

As promised, I made a video of how far i got with using the subspindel.

Last year I could not get it running great, lots of problems with chips in the chuck. So that batch was done the old way ( manualy swaping the part half way the program).
Now i got a new order of the same parts, need to make 1000 of the same parts, and this time the ordered on time. So we are back at it.

here's the video's


https://youtube.com/shorts/HP4Z6Yo2SCk?feature=share
part transfer on the sub

https://youtube.com/shorts/LYb8mTO79o0?feature=share
ejecting the part






feel free to give any comments

As promised, I made a video of how far i got with using the subspindel.

Last year I could not get it running great, lots of problems with chips in the chuck. So that batch was done the old way ( manualy swaping the part half way the program).
Now i got a new order of the same parts, need to make 1000 of the same parts, and this time the ordered on time. So we are back at it.

here's the video's


https://youtube.com/shorts/HP4Z6Yo2SCk?feature=share
part transfer on the sub

https://youtube.com/shorts/LYb8mTO79o0?feature=share
ejecting the part






feel free to give any comments

contact me privately i will help you

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Originally Posted by pwjkohler

feel free to give any comments

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good job :) looks like a tough machine

i was thinking to sugest sharing the codes, but considering how rare is it, maybe you have the only 1 in usa ...:)