Piero Member Messages 1,400 Location Uk Oct 16, 2015 #1 Hi guys I have quite a large sized bench grinder. It takes quite a while to reach top speed and takes just as long to slow down. One thing I am wondering is why it does not have a start capacitor? ???
Hi guys I have quite a large sized bench grinder. It takes quite a while to reach top speed and takes just as long to slow down. One thing I am wondering is why it does not have a start capacitor? ???
rtbcomp Moderator Messages 18,574 Location Sheffield UK Oct 16, 2015 #3 It's probably got a start winding switched by a centrifugal switch. Can you hear a click as it speeds up or slows down?
It's probably got a start winding switched by a centrifugal switch. Can you hear a click as it speeds up or slows down?
Piero Member Messages 1,400 Location Uk Oct 16, 2015 #4 Can't hear a centrifugal switch . But I do know what yr talking about. I have had a read on line. Some electric motors don't need it. How does one tell
Can't hear a centrifugal switch . But I do know what yr talking about. I have had a read on line. Some electric motors don't need it. How does one tell
rtbcomp Moderator Messages 18,574 Location Sheffield UK Oct 16, 2015 #5 If it starts every time in the same direction don't worry.
T Turbo Member Messages 7,172 Location Fermanagh, Northern Ireland Oct 18, 2015 #6 Bench grinders have a low starting torque ie they don't start under load so they don't need a capacitor. You can hold onto a grinder wheel, switch it on and it will not start, just sit there & hum until the fuse blows.
Bench grinders have a low starting torque ie they don't start under load so they don't need a capacitor. You can hold onto a grinder wheel, switch it on and it will not start, just sit there & hum until the fuse blows.