Thread: How do you slow down an electric motor?

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find any electric motor service company--they will know what wires to couple to change speeds or voltage

I also have a 6x48 belt sander with 12 in disc (belt driven) but I don't use the disc anymore---too many times a slight change in where you are sanding will change the force direction and you'll lose your hold on whatever your trying to sand/grind. And the belt sands in a straight line vs circular for the disc--makes it easier to control finish of what ever your working on

That might be the thing, just forget that the disc is there and use the belt only. Even that part is a little intimidating because it whips around pretty fast too. But at least if the belt breaks (which has happened twice already......but that is because the top roller bearings are loose and letting it wobble a little at max speed) it won't do the damage the flying disc will. I really would like to get this thing working right as it removes metal like right now.

I thought of calling an electric motor shop as you suggested and asking them what can be done to the motor to slow it down.........I think I'll try that. Funny part is, the 76 year old man I bought it from earned his living using it for the past who knows how many years. Maybe he just ducks faster than we do.

Don