Need help: ATC carousel bounces on '93 Leadwell MCV-0P w fanuc Series 0

Hi

We have a '93 leadwell MCV-0P w fanuc Series 0 that looks like a weird ATC bouncing problem during M06 operation. M23/M24 operations do not bounce.

I say "looks like" because we don't know if this is normal for this machine. We don't know much about this machine, we don't have manuals except for a parameter manual for a similar machine.

During M06 extracting a tool, the carousel grabs the tool, moves down 1/8 inch bounces back up, then fully drops to extract the tool. When inserting a tool, the tool inserts, then it bounces down about an inch and returns to the change position.

The problem is the pocket's holding clips smash into the tool holder in the spindle.

I'm fairly sure bouncing is not correct.


Here's links to videos showing the insert bounce. One video shows the carousel, the other shows the micro switches
[video]https://drive.google.com/file/d/1Fw9U7fuhx86gEX7i8P3xah2G_xviL0Gk/view?usp=sharing[/video]
[video]https://drive.google.com/file/d/1jRz8oSHk0i_rlo4EvZPVxMK0m_AxVfX7/view?usp=sharing[/video]

thanks
gary

Campat says the air values are misfiring from being dirty. Mix 50/50 AW32 and mineral spirits in the air line lub.

I would agree with that.

Another thing that your machine might have is adjustment valves on the solenoids to control the speed at which air goes to the cylinders. They may be out of adjustment if the machine has them.

Our leadwell machines with air powered tool changers all have them. I don't recall if our old 1989 mcv0 (which we no longer have) had them too.