Hi Mark,
Thanks for the tips on rounding the pyroceram; I was going to use the blue belt that came with the Viel but now I'll get a couple of 400s for that purpose.
I'm happy to show my Viel as is (I had a pic for my first post, but the attachments aren't working for me).
![[Image: g6S9FMj_A59963c7A6Omjh3Cz5cPSLXX0W1CkhtC...hD7W=w2400]](https://lh3.googleusercontent.com/g6S9FMj_A59963c7A6Omjh3Cz5cPSLXX0W1CkhtCY8luj7QhkXp37EnBLmWEKkovZRJJ4HBe09IcMTQoSRKvrqQvUJ0G2rjAGYqlaavMF4lwYtRWXA3b-YSPS0L2mEl-GFkvhD7W=w2400)
![[Image: iWNCmg3APzzA75Q_H2Co__OKa9gXNHm_xR81-mzX...TYxc=w2400]](https://lh3.googleusercontent.com/iWNCmg3APzzA75Q_H2Co__OKa9gXNHm_xR81-mzXKUAEpULVoc3kOrNqmwwCtTO6kNF2nHgo8AHZVC7Kuq5QEMisWa5GL4eYSmQdQ55zkZ1rMHey9famO3FwoIxpT2U5Sy3YTYxc=w2400)
This is not the cheapest way to get variable speed on a Viel, but I think it's hard to build a more capable machine under 50 lbs. The motor is a Baldor M3464, a .75 hp, 1725 rpm, 3ph TEFC motor. The Viel S-5 takes a 48 frame motor, not a common size. Baldor is pretty much the only choice for a current production, three phase enclosed motor that fits, and .75 hp is the most powerful available.
I'm using a KBAC-24D, which is a no-frills, affordable enclosed VFD. I like how it doesn't have an LCD/display, and I don't have to enter menu purgatory just to get it programmed. Older KBAC-24Ds and similar had issues with GFCI outlets, and a lot of webpages still say that that it needs a factory software update from KB to work properly. As of the 3G version, this VFD has a jumper setting for GFCI sensitivity just like it's bigger brothers. I added an AC switch for safety and reversing switch for versatility.
I plan to add some rubber feet on the back so I can grind with the Viel lying down. I started to make a bracket to bolt the VFD to the grinder, but my wife talked me into KISS (pun intended) and keeping the VFD free. I'll bolt it to a piece of wood or something later on. I also need to shim the motor base, bolt on a completed platen, and buy some belts.
Thanks for the tips on rounding the pyroceram; I was going to use the blue belt that came with the Viel but now I'll get a couple of 400s for that purpose.
I'm happy to show my Viel as is (I had a pic for my first post, but the attachments aren't working for me).
This is not the cheapest way to get variable speed on a Viel, but I think it's hard to build a more capable machine under 50 lbs. The motor is a Baldor M3464, a .75 hp, 1725 rpm, 3ph TEFC motor. The Viel S-5 takes a 48 frame motor, not a common size. Baldor is pretty much the only choice for a current production, three phase enclosed motor that fits, and .75 hp is the most powerful available.
I'm using a KBAC-24D, which is a no-frills, affordable enclosed VFD. I like how it doesn't have an LCD/display, and I don't have to enter menu purgatory just to get it programmed. Older KBAC-24Ds and similar had issues with GFCI outlets, and a lot of webpages still say that that it needs a factory software update from KB to work properly. As of the 3G version, this VFD has a jumper setting for GFCI sensitivity just like it's bigger brothers. I added an AC switch for safety and reversing switch for versatility.
I plan to add some rubber feet on the back so I can grind with the Viel lying down. I started to make a bracket to bolt the VFD to the grinder, but my wife talked me into KISS (pun intended) and keeping the VFD free. I'll bolt it to a piece of wood or something later on. I also need to shim the motor base, bolt on a completed platen, and buy some belts.

