Need Help!- high speed machining code

[btdmfg]

I am using a high speed machining add on to our programming software on an OKK VM5 vertical mill with a 180Is controller. Am I able to turn the 12 block lookahead code (G8P1) on at the beginning of my program, and turn it back off at the end (G8P0) with out affecting any other processes? right now I am turning it on after the toolchange and back off again before Z home for every operation, but I'd like to simply add it to my post if possible. I'd just like to know if it will affect anything I'm not thinking of. Any help would be appreciated!

[barbter]

Linky
http://www.cnczone.com/vb...d.php?t=171099

[dertsap]

if i recall correctly using the code at the start and the end of the program is how i used to do it , it won't affect anything else

[cnc-king]

it may affect your tapping cycles, i am not sure of your machine but on the makinos i have worked on the high speed machining have to be turned off to run the tapping cycles

[f-bu]

Read the great post from barbster and would add some things about HSM in 0i-model C

Yes, aicc is option only of package A, A02B-03xx-H532 or H537; package A has PMC-SB7 and memory of 640m (240Kbyte).
package B, A02B-03xx-H533 or H538 has PMC SA1 and memory 320m (120Kbyte).

Package A uses Pentium main board, B uses 486 main board. This is standard Fanuc offer, but some MTBs used to order 486 main board with SB7 PMC, so...

These numbers can be checked in MAINTINF.DAT file - SYSTEM - >>> - M-INFO - OPRT - EDIT - I/O - PUNCH. this is in fact what is ordered to Fanuc with your particular control. If some option is added later, by MTB or a dealer, it may miss from this file.

In order AICC to work, you need also the following 3 options:

1. AI contour control A02B-03xx-J665
2. Bell-shaped acceleration/deceleration after cutting feed interpolation A02B-03xx-J829
3. Bell-type acceleration/deceleration before look ahead interpolation A02B-03xx-J977
Machining condition selecting function, A02B-0310-S637 is not essential, but helps adjusting quickly the machine in 10 level between high speed - high accuracy.

The a.m file will tell you if you have them on board.

With these 3 turned on and servo set to HRV2 Package A performs very well, both with alpha and beta drives.

So the answer "upgrade is impossible" is correct, if you have package B and need A, but package A without these 3 option is upgradeable. Well, the price of a main board and surrounding ones for B to A upgrade will be unacceptable, I think. Fanuc dealer can offer new control
in fact, but as spare part its price will be ...

There are guidelines for HSM adjusting in the latest editions of B-65270EN Fanuc AC servo parameter manual, but quite soon you will find that you need "servo guide" for measuring and adjusting.
Some years ago I experimented adjusting parameters by hand, but well, there are not two equal machines, and without "Servo guide" these experiments took days, simple copy/paste from another machine does not work. So it can be expected that a machine made and factory adjusted for HSM is the only reasonable solution.