need help on a Colombo spindle
Folks I am rebuilding a machine for my friend and wanted to know about a part I wanted to change - it looks like a cap (though not sure) and need the experienced folks to let me know what it was.
the pictures are at this thread on the zone. http://www.cnczone.com/forums/showpo...04&postcount=8 rgds Irfan |
Irfan,
Its kinda hard to tell, as the pics are a little fuzzy. Does the component have some glue or something covering it? Your camera might be too close to focus properly. Most cameras have to be at least 3 feet or so from the nearest object to focus unless it is in a special macro mode. Then you can get closer. |
it was my phone camera Heath. A lot of folks here have colombo spindles - I hope'd they'd jump in to help and tell me what it was. that white thing looked like someone stepped on a boiled potato.
RGDS Irfan |
On the first pic there is something about 50 degrees...could this be a temperature sensor in there ?
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think alex from blurry customs helped me pinpoint the same - he told me it was a thermistor and i could by pass that.
thankyou alex |
Wires from a spindle:
3 wires to the motor stator coils - receiving 3 phase power from VFD 2 wires for the electric fan on the spindle - sometimes 24V (AC or DC), sometimes mains AC 2 wires from a temperature sensor - could be switch or thermistor |
the cable coming from the VFD to the spindle in our case had just 6 wires
as you said 3 for MSC 2 for the fan and 1 ground - there was no temperature sensor wire. I will just neglect that for the time being. btw I like the wago connector on the spindle. RGDS IRfan |
The temperature sensor is buried between the motor coils - its job is to detect when smoke has risk of being generated. I think the two green wires come from the sensor, and the ends of the wires were just insulated with a blob of gunk because the sensor was not connected to anything.
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I think you are absolutely right!
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