Quote:
Originally Posted by IKE
Cutting Air may seem like a waste of time initially, but it is well worth it until you have your coding figured out. Especially any time you use a new feature. Also, if you ever have to start or stop a program and redo a set up, please be careful. Many autocoding programs will remove unnecessary lines as long as you are following the code. You can get an unexpected crash if you have to stop and move the table to get access.
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The Haas is actually smart enough to not crash the machine (assuming your code doesn't crash the machine to start with) upon restarting in the middle of a program, so long as Setting 36 is ON.
With that setting on, it will automatically look through the program, find the appropriate tool change command, work offsets, and height offsets. It then applies those commands and goes to the correct position the tool should be at prior to the line you are restarting from.
That said, there are ways this can get you in trouble. I always make sure that if I'm restarting a program in the middle my tool is above the highest point on my part. Depending on the circumstances of what tool is in the spindle and where you are restarting the machine can either return to z0. or make a rapid move to the correct x,y position to restart the program from. It should rapid to whatever your clearance plane is above the part prior to moving in x,y, but I don't like leaving that to chance.