[Bloodeye]

Mazak VTC-16B
Mazatrol M32B

Program type: G-Code

I was wondering why the spindle doesn't start when using Restart?

The Restart Method I'm talking about is the same one you would use for a mazatrol program.
1) Restart softkey
2) Enter program number
3) Enter Sequence number (N number/Line number in G-Code)
4) Enter Block number (Actual line you want to restart in between N numbers)
5) Repeat 0
6) EIA/ISO Search softkey
7) Cycle Start

I have N numbers on just my toolchange lines. Ex: N1 T1
This is the sequence number I enter in process above. M3 S1000 is on a line
after N1 T1.

Everything works correctly when it comes to restarting the program where
you want it to restart, but for some reason M3 S1000 isn't picked up and the
spindle doesn't start. I've found a work around for now by starting the
spindle in MDI - M3 S1000, and then toggle MEM to restart program.

Maybe this is how a Mazak restart is done. I know Fanucs I used to run would
pick up M3 S1000 and turn the spindle on when doing a restart.

Is this the behaviour of a Mazak restart, or maybe I'm missing something?

[jimiscnc]

This does all modals EXCEPT FOR SPINDLE ON!

step one - mdi RPM and rotation to get the spindle running.

step two - go to memory mode and perform the modal restart procedure.


IN OTHER WORDS, the procedure you have outlined is the "correct" way to do it.

-jim

[Bloodeye]

Hey thanks for the confirmation jim.

spindle on would be nice, but once you get a routine down
you don't hardly miss it.

[Rotary Ninja]

Reviving this rather than starting a new thread. I am trying to restart a G code program on a Mazak Nexus 250-II MY

The area I want to restart looks like this...
...
(TOOL - 4 OFFSET - 4)
(1/2" BORING BAR)
(FINISH BORE)
G53.5
N40 T0404.01
G18 G99
M901
G97 S1447 M03 R1
G0 Z.1 M8
X1.8479
G50 S2500 R1
G96 S700 R1
Z.1468
...

I need to be able to re-run this toolpath to creep up on a really tight bore. But when I try to use the Restart function it just starts at the beginning of the program. Here are my inputs in the Restart window...
Sub Program Number: my program number: 33
Sequence Number: 1 - is this right?
Block Number: 40
Repeat: 0

Also, do I need to move the block number up before the work offset call?

Thanks