CBN Wheels and hollow grinding?

[DSTiamat]

Hello,
Are CBN wheels any good for hollow grinding (blades, straight razor), they sound incredible on paper, any experiences, thoughts?

TY
DST

 

[ron_m80]

Most of the makers here use belt grinders. Not grinding wheels.

 

[DSTiamat]

I know, but the reason makers don't use normal grinding wheels for hollow grinding is that they loose the form rapidly and a uniform grind is very difficult, but CBN wheels should not have this issue, and grind cooler than belts and should last a lifetime, so any experiences?

 

[Nathan the Machinist]

Yeah, CBN is intended for hard steel. It's not very friable. Used the way you're talking about I think it will glaze, dull and cut slowly with high pressure and likely cause issues with heat.

Nothing grinds cooler and with less pressure than sharp belts.

 

[John Katt]

One of the big benefits of using a belt grinder is the contact wheel is covered in rubber and makes for a smooth soft grinding surface, allowing you to get a uniform grind, anything rigid like the wheels you are talking about would be murder to use, another problem you would need to pull the wheel off to change grits, a bit of a pain

 

[Stacy E. Apelt - Bladesmith]

.......
Nothing grinds cooler and with less pressure than sharp belts.

Except sharp wet belts!