M01 command

[slideleft]

Hi group,
What is going on? I have some M01 commands in a current program which appeared to be working fine initially, but somehow now upon "cycle start" spindle does not come back on. Any ideas? Thanks.
Jeff

[Geof]

Originally Posted by slideleft Hi group, What is going on? I have some M01 commands in a current program which appeared to be working fine initially, but somehow now upon "cycle start" spindle does not come back on. Any ideas? Thanks. Jeff

The spindle never does start automatically after M01 or M00 you need to make sure these commands are followed by a spindle start command.

[slideleft]

Well that would explain it. Thanks so much.
BTW, this forum subscribes to the concept that there are no dumb questions, right? Because I have a feeling I have a lot more to come. I have been reading my Haas manual, but there is not much detail.

[Geof]

Originally Posted by slideleft ....BTW, this forum subscribes to the concept that there are no dumb questions, right?...

Yup; dumb answers are another thing altogether, and I have been guilty on that side through not fully reading a question.

I am also guilty of putting in a M01 that stopped the machine just before it entered a profile cutter without the M03 to restart the spindle. When I pressed cycle start the machine simply started feeding into the cut with a stationary tool and sheared off a brand new 5/8" carbide. I watched it do it and then realised I could have hit Feedhold and started the spindle using the CCW key.

[slideleft]

Originally Posted by Geof sheared off a brand new 5/8" carbide. .

Yes, mine was only a 1/8 carbide.