[CNC-Hammer]

Hi there,

as a newcomer to Okuma machines I have one or two questions of which will be posted in due course. Here's another.

When a tool is specified for pre selection and then an auto cycle is cancelled, is there an easier way of cancelling the selection? I find I have to either MDI an M6 or switch the tool changer on and off. The 1 step reverse on the ATC does not always work.

MB-56VA.

[budgieW]

Try M64

[CNC-Hammer]

Ta, I'll try that on Monday.

[AppsMan]

If you have not already you may want to use a tool change macro. This eliminates all to steps needed to make a tool change and the errors as well. Whoever sold you the machine probably has this macro or simular to it. This macro is registered as a library file and once installed will check to see what tool is in the spindle and ready pot and decide the steps to take inside the program itself. To call up the next tool all you need to do is:


G111 T=1 Q=2 (calls up tool #1 and loads tool #2 in ready pot)



OTCHK
G30 P1
M19 M09
( SET GCODE PARAM. G111 TO OTCHK )
( AT TOOL CHANGE KEY IN G111 T= TOOL NO. Q = NEXT TOOL EX. G111 T1 Q2)
IF [ VTLCN EQ PT ]NST1 (ACTIVE TOOL)
IF [ VTLNN EQ PT ]NRT1 (NEXT TOOL)
IF [ VTLNN EQ 0 ]NOT1 (NEXT TOOL)
M64 (RETURN READY TOOL TO MAG)
NOT1 T=PT
NRT1 M06
NST1
IF [ PQ EQ EMPTY ]NEND (if ready tool empty/jump )
IF [ VTLNN EQ PQ ]NEND (if next called tool is at next tool pos./jump)
IF [ VTLNN EQ 0 ]NTT1 (if next tool has no value)
M64 (RETURN READY TOOL TO MAG)
NTT1
T=PQ
M356 (next pot down)
NEND
RTS

[CNC-Hammer]

Try M64

That's just what I wanted. Thanks!

[CNC-Hammer]

Thanks for the macro Appsman.

I'm sure that will come in handy at some point. Although the IGF writes something similar I believe from what I have seen on the odd occasion I have used it.

[isamuray]

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