I run a okuma-howa 35-l with a fanuc 18-t control.I need to know if anybody knows the parameter to set this and what is the code used in a program to lock and unlock the machine.Thank you any help will be useful.

Not sure about the parameter, but if you want to lock the spindle from spinning and orient it, it's M19 in the program, or from MDI.

I tried the m-19 but it did not do anything.I want the spindle to lock completely again thanks for all input I get.If anyone else knows something that might work please let me know.Thank You.

Did you stop the spindle with an M5 before using the M19?
Bill

Where did you put the M19 in? In the program? In MDI?

Hi,
excuse me but i'm italian and i don't speak a good english...
M19H0
or H90 ,H180,H270 for spindle position...

The okuma manual should tell you what functions and M codes etc they have implemented. Fanuc have Many many pre-assigned functions and it is up to the Machine tool builder to use them (or not) how he sees fit.
For example all M codes and special functions which can be set by a simple switch such as MLK (machine lock) are implemented through the I/O or ladder section and are machine-tool-builder dependant, they cannot usually be set by parameter.
There is a whole raft of Fanuc manuals that the end-user does not usually get, he usually gets the Operator manual & Maintenance manual if he is lucky, some times he just gets the Machine tool builder version.
Just to confuse things but are usefull, Fanuc have an OperatOR as well as a OperatION manual, and a ConnecTION & ConnectING manual as well as Servo man. & others which can be usefull for trouble shooting etc.
Al