Carousel Toolchanger Issues!

m98custom1212 · Feb 29, 2016

My new to me Mighty Viper 500 is having problems with the tool changer... The carousel seems index just fine slide toward the spindle pretty smooth may need a little love shortly though.

Here is the issues comes sounds like the draw unclamps then moves up but hard to tell then I get "Z Axis interlock" can't move the z axis or send the carousel back had to power off the control then every reset.

Control- Meldas 500

Talking to few people one said check for blow by in the drawbar and limits switches set correct and another said check for chips and junk on the limit switches.

I would like to get some more suggestions before I go ripping into her.

Vancbiker · Feb 29, 2016

A very typical cause of this type error would be the tool unclamp signal not being received by the control.

Can you unclamp/clamp tools in the spindle manually? If so, I'd say your drawbar and unclamp cylinder are mechanically OK. If not, then start looking for mechanical or pnuematic/hydraulic problems with the unclamp cylinder. If all is well there, then broken Belleville springs can cause the drawbar to lock up and be unable to hold or release tools.

m98custom1212 · Feb 29, 2016

Vancbiker said:
A very typical cause of this type error would be the tool unclamp signal not being received by the control.

Can you unclamp/clamp tools in the spindle manually? If so, I'd say your drawbar and unclamp cylinder are mechanically OK. If not, then start looking for mechanical or pnuematic/hydraulic problems with the unclamp cylinder. If all is well there, then broken Belleville springs can cause the drawbar to lock up and be unable to hold or release tools.

Yes, I can I tried clamping and unclamping a tool manually seemed clamped and have the right "kick out" accordingly to the to the manual.

I need to be looking towards the tool unclamp signal.. hmm

Vancbiker · Feb 29, 2016

Yes, you need to find the input for the tool unclamp signal. It will be addressed as X.. in your wiring diagram with .. being a hexadecimal value. Then you can view the state of the input by going to the Diagnostic page and searching for the X.. address. Then when you manually unclamp the tool the signal should change from 0 to 1. If it does not then the switch is bad or mis-adjusted, wiring is bad between switch and control, switch is not getting +24VDC or, I/O board is bad.

m98custom1212 · Mar 8, 2016

Ok update... I found leak then fixed that still doesn't work.. I don't get the z axis interlock until I hit reset. What happens is the draw bar unclamps and the nothing happens the machine just sits there

Vancbiker · Mar 9, 2016

Were you able to verify the unclamp complete input signal on the diagnostic page?

m98custom1212 · Mar 10, 2016

Vancbiker said:
Were you able to verify the unclamp complete input signal on the diagnostic page?

I can't the find hexademical value in the boxes or even an electrical diagram just the switches with the wire numbers on them

Vancbiker · Mar 10, 2016

No wiring diagram? That suck big time!

At the switch, assuming it is a mechanical type, there will be two wires. Most likely one will be +24V DC and the other will be the input. If you measure the the voltage between the wires it should show 24V when the switch is open and ~0V when you actuate the switch. If this is true then look at the X addresses in diagnostics and cycle the switch. If everything is working you should see one bit change states as you push the switch. If you do not see the 24V to ~0V change at the switch then you likely have a broken wire or bad connection somewhere.

m98custom1212 · Mar 10, 2016

Vancbiker said:
No wiring diagram? That suck big time!

At the switch, assuming it is a mechanical type, there will be two wires. Most likely one will be +24V DC and the other will be the input. If you measure the the voltage between the wires it should show 24V when the switch is open and ~0V when you actuate the switch. If this is true then look at the X addresses in diagnostics and cycle the switch. If everything is working you should see one bit change states as you push the switch. If you do not see the 24V to ~0V change at the switch then you likely have a broken wire or bad connection somewhere.

Pming you

Dont feel right posting here.

m98custom1212 · Mar 13, 2016

I fixed it!

Vancbiker · Mar 13, 2016

m98custom1212 said:
I fixed it!

Let us know what you found.

m98custom1212 · Mar 14, 2016

Vancbiker said:
Let us know what you found.

One Broken Wire from Wire connector on the unclamp switch.. Right on the switch put a new clamp and screw down working like a charm.

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