If your choice is an 8 inch bench grinder the size of the wheel will provide you with more speed and this will affect the frictional heating of your machine.
6 vs 8 inch bench grinder.
This dual wheel bench grinder fits wheels with 8 inch diameters and up to 1 inch thickness and comes with 36 and 6 grit wheels.
For an 8 inch you would definitely want the low speed option.
Not only can you choose the size but also the grit as it leaves you the freedom to choose between a 36 grit one or a 60 grit on depending on the type of material you want to work with for work light.
However the 8 inch bench grinder will work perfectly for those who need it for heavy duty or industrial applications.
The wen 4276 bench grinder comes with two wheels.
One is 6 inch bench grinder in diameter and the other is 8.
Opting for the 6 inch bench grinder which is a smaller wheel in comparison to the 8 inch provides you with more curvature for grinding purposes.
Eight inch grinders are especially suitable for work that requires buffing wheels or wire brushes.
The final product in our best bench grinder selection today is from sunex and it s their 5002 model that comes complete with a 40 watt work light two spark guards as well as safety shields for your protection.
In addition to the outright speed of a grinder another reason an 8 needs to be used more carefully than a 6 because for any given speed the surface of an 8 wheel is actually moving much faster so at the same rpm an 8 grinder is more likely to overheat a tool than a smaller one everything else being equal.
Simply turn the dial to your preferred speed and start grinding.
My 6 inch grinder is variable speed but i run it almost exclusively on its highest setting.
Yes the surface speed of a 6 inch wheel running at 3600 rpms is slower than the surface speed of an 8 inch wheel running at the same speed.
As should be obvious the faster the grinder the more care you have to exercise generally speaking.
Bench grinders with wheels 6 and 8 inches are among the most common but most people will find the 6 inch wheel grinders adequate for their projects.
Although 6 bench grinders are arguably more compact 8 bench grinders are unbeatable for sheer power.