Stang Bladeworks
Aluminum
- Joined
- Jul 9, 2019
Hi,
A couple times now my mini mill has shut itself down because of low incoming ac voltage. This is something that has happened in the last couple months. Before that, in the 2 years I owned it this was never an issue.
Unfortunately I didn’t check the diagnostic before as this was never an issue. Now when I check it, usually it sits around 90-93 percent nominal. I initially assumed there may be a voltage drop issue at my shop or a weak utility feed. I did measure the voltage right at the machine and it is getting the full 240v.
Best I can interpret the nameplate that is not low at all and should probably read 100 percent. Sometimes when my shop load gets a bit higher (compressor, kilns, tumbler, etc.) it will shut down the machine.
All of these measurements were taken with no other load present whatsoever. It’s not uncommon for the servos to limit to 75 percent because of voltage even when just the compressor kicks on.
Is there something up with the voltage monitoring circuit? Am I missing something? Any help is greatly appreciated.



A couple times now my mini mill has shut itself down because of low incoming ac voltage. This is something that has happened in the last couple months. Before that, in the 2 years I owned it this was never an issue.
Unfortunately I didn’t check the diagnostic before as this was never an issue. Now when I check it, usually it sits around 90-93 percent nominal. I initially assumed there may be a voltage drop issue at my shop or a weak utility feed. I did measure the voltage right at the machine and it is getting the full 240v.
Best I can interpret the nameplate that is not low at all and should probably read 100 percent. Sometimes when my shop load gets a bit higher (compressor, kilns, tumbler, etc.) it will shut down the machine.
All of these measurements were taken with no other load present whatsoever. It’s not uncommon for the servos to limit to 75 percent because of voltage even when just the compressor kicks on.
Is there something up with the voltage monitoring circuit? Am I missing something? Any help is greatly appreciated.


