Hi all,
I am making miniature electrical tools like table saws, sliding mitre saws, drill press, bench grinder etc. Some of the tools use food stick blender motors and others use the 775 dc motors. (Always open to suggestions).
I have a wide and varied amount of cheap Ebay motor controllers. I have several fans with shaded pole motors and would like to know the best way of speed controlling them. I tried triac based controllers but they don’t seem to work. I also tried direct voltage control which does work. However, the torque drops significantly too. VFD is beyond my knowledge but any help would be great. But finding a cheap 240v single phase output is really hard. I understand that AC is rectified to DC and back to AC. As I said, beyond my knowledge. So an easy way to control the speed of a shaded pole motor?.
This will be for a miniature drum sander. So torque is quite important. Thanks in advance for any help and also any ideas you may have.
Martin
I am making miniature electrical tools like table saws, sliding mitre saws, drill press, bench grinder etc. Some of the tools use food stick blender motors and others use the 775 dc motors. (Always open to suggestions).
I have a wide and varied amount of cheap Ebay motor controllers. I have several fans with shaded pole motors and would like to know the best way of speed controlling them. I tried triac based controllers but they don’t seem to work. I also tried direct voltage control which does work. However, the torque drops significantly too. VFD is beyond my knowledge but any help would be great. But finding a cheap 240v single phase output is really hard. I understand that AC is rectified to DC and back to AC. As I said, beyond my knowledge. So an easy way to control the speed of a shaded pole motor?.
This will be for a miniature drum sander. So torque is quite important. Thanks in advance for any help and also any ideas you may have.
Martin