- Joined
- May 16, 2013
- Messages
- 9
I have a harbor-freight 8x12 metal lathe I bought used around 6 months ago and a month or two ago the startup capacitor blew. I finally got around to replacing it today, but guess what, it blew again. I used it for around 4 hours and then it blew. Most of the four hours was relatively high spindle speed, 1000 rpm or so and it blew when I had the spindle speed turned down for threading.
I wouldn't think the speed would matter because the centrifugal switch relies on the speed of the motor, not the spindle correct? They wouldn't put a centrifugal switch on the spindle right?
It seems that it would blow twice in the same circumstances. It blew when I was turning at low speed for threading last time aswell.
The capacitor was smoking and leaking oil. It was too hot to touch. The motor was aswell.
I had also been turning the lathe on and off alot in a short time period, could that have overworked the capacitor?
I wouldn't think the speed would matter because the centrifugal switch relies on the speed of the motor, not the spindle correct? They wouldn't put a centrifugal switch on the spindle right?
It seems that it would blow twice in the same circumstances. It blew when I was turning at low speed for threading last time aswell.
The capacitor was smoking and leaking oil. It was too hot to touch. The motor was aswell.
I had also been turning the lathe on and off alot in a short time period, could that have overworked the capacitor?