47_Waffles
Aluminum
- Joined
- Nov 10, 2013
- Location
- East Coast, US.
Do tools fall out of the spindle from time to time, or does this always indicate a problem?
I have a few month old 510CII that gets little use. About a month ago it half grabbed a facemill and spun it up to 11,000 RPM or so while the machine was shaking badly. It was the first tool change of the day, probably didn't run for a week or more prior. It was fairly close to making a cut and presumably throwing the facemill out of the spindle before I stopped it. Tool was new, pull stud new, everything was fine since, until minutes ago. I touched up some code on fixturing and went to put a quick chamfer on. It grabbed the tool, the ATC arm retracted, and about .1 second after that the tool fell out of the spindle just when it started ramping up to speed. Nice ding in the table and my snazzy new chamfer tool is shot.
Oddly enough, I had some time and decided to call Mazak about 15 minutes before this happened. I asked the guy about the facemill incident earlier, he said the machine can't sit for weeks and I should put tool changes into my warmup program. Supposedly the ATC hydraulic pump has a small reservoir and didn't have enough time to bring the pressure up properly after sitting. The facemill was the next tool in the belt on shutdown weeks prior, all the machine had to do after my warmup program was flip the arm around and take off, so presumably this <1 second of ATC operation wasn't sufficient. Understandable.
However, today the machine has been running for hours problem free, and was making chips and changing tools 30 seconds before it went to grab the chamfer cutter. It wasn't in the middle of a program, but is still a bad deal. I wanted to hear it from people who presumably are less biased, does this happen? The Mazak guy is calling me back soon, I'll see what he has to say then.
I have a few month old 510CII that gets little use. About a month ago it half grabbed a facemill and spun it up to 11,000 RPM or so while the machine was shaking badly. It was the first tool change of the day, probably didn't run for a week or more prior. It was fairly close to making a cut and presumably throwing the facemill out of the spindle before I stopped it. Tool was new, pull stud new, everything was fine since, until minutes ago. I touched up some code on fixturing and went to put a quick chamfer on. It grabbed the tool, the ATC arm retracted, and about .1 second after that the tool fell out of the spindle just when it started ramping up to speed. Nice ding in the table and my snazzy new chamfer tool is shot.
Oddly enough, I had some time and decided to call Mazak about 15 minutes before this happened. I asked the guy about the facemill incident earlier, he said the machine can't sit for weeks and I should put tool changes into my warmup program. Supposedly the ATC hydraulic pump has a small reservoir and didn't have enough time to bring the pressure up properly after sitting. The facemill was the next tool in the belt on shutdown weeks prior, all the machine had to do after my warmup program was flip the arm around and take off, so presumably this <1 second of ATC operation wasn't sufficient. Understandable.
However, today the machine has been running for hours problem free, and was making chips and changing tools 30 seconds before it went to grab the chamfer cutter. It wasn't in the middle of a program, but is still a bad deal. I wanted to hear it from people who presumably are less biased, does this happen? The Mazak guy is calling me back soon, I'll see what he has to say then.