Speed control on benchtop grinder

[dsb1829]

I have some sharpening to do. I don't think I will be utilizing the grinder for this as I just have the stock grey wheel on mine. However I had a random thought pop up. Yes, I know dangerous

I have an independent speed control for a router. It should be able to slow down a grinder. Anyone ever use a speed control on their grinder? I was hypothesizing that with a white oxide wheel and slower speed the grinder could come in handy on the chisels. Any comments?

[LarryG]

Routers have universal motors; benchtop grinders typically have induction motors (if any use universal motors, I've not seen one). A speed control for a universal motor won't work on an induction motor.

[LCHIEN]

larry's correct.
A router speed controller meant for universal motor speed control should not be used on an induction motor usually found on grinders.
if you do try it it might actually make the grinder turn slowly under no load but when loaded it won't work right.

[dsb1829]

thanks for the replies. that's about the response I got elsewhere too

[dbhost]

I don't recall the model, but Delta has a VS unit in their Shopmaster line. I saw it at Ace Hardware at lunch today. I think it retailed there at about $65.00, which means it is probably $40.00 with free shipping at Amazon.com...

[dsb1829]

Yeah, I noticed that at Lowe's the other day. The vs one goes for closer to $80-90. If you see it for $65 you should snag it and post it over in the deals section.