On 3/4/23 19:10, Leonardo Marsaglia wrote:
Yup, I agree with Gene, if the motor was not spinning AT
ALL, but the VFD or motor was making a whining sound, it may
mean the VFD was only powering one phase winding.
That would indicate a VFD failure. Did you unplug anything
while waiting for it to
On 3/4/23 18:19, Leonardo Marsaglia wrote:
Hi Gene, hope your doing well!
As well as can be expected for an 88 yo diabetic with a chest full of
parts. I bought a couple t-shirts last fall that lie a lot, says "born
in the thirties, original and unrestored, some parts still working"
IMO
>
> Yup, I agree with Gene, if the motor was not spinning AT
> ALL, but the VFD or motor was making a whining sound, it may
> mean the VFD was only powering one phase winding.
>
> That would indicate a VFD failure. Did you unplug anything
> while waiting for it to cool? Maybe there was a bad
>
On 3/4/23 14:08, gene heskett wrote:
Yup, I agree with Gene, if the motor was not spinning AT
ALL, but the VFD or motor was making a whining sound, it may
mean the VFD was only powering one phase winding.
That would indicate a VFD failure. Did you unplug anything
while waiting for it to
Sorry I didn't specify the voltage well. It's three phase 380 volts. The
VFD is fed directly with the 380 volts and no neutral.
El sáb, 4 mar 2023 a las 20:19, Leonardo Marsaglia ()
escribió:
> Hi Gene, hope your doing well!
>
>
>> IMO and unless the armature of that motor is some sort of a
Hi Gene, hope your doing well!
> IMO and unless the armature of that motor is some sort of a ferrite
> compound, that temp s/n should not be a problem. Most motors can handle
> temps too hot to lay your hand on them unless they are on their way out
> in some sort of shorted windings failure
> On 4 Mar 2023, at 18:56, Leonardo Marsaglia wrote:
>
> Could this be normal because of the extremely hot days I'm having here?
If the ambient is 15C higher than normal then the spindle will be 15C warmer,
and that doesn’t feel like it would be enough to cause problems.
Are the bearings
On 3/4/23 13:53, Leonardo Marsaglia wrote:
Hi guys.
Sorry for the OT but I'm having a strange behavior with my spindle and I'm
a little worried.
The problem I had today for the first time is the spindle was getting
really hot and started to slip (you could hear the frequency from the
inverter
Hi guys.
Sorry for the OT but I'm having a strange behavior with my spindle and I'm
a little worried.
The problem I had today for the first time is the spindle was getting
really hot and started to slip (you could hear the frequency from the
inverter was on spot but the rotor sometimes wasn't
