User Guide

E ffect of Contact Wheel Diameter on Finish
With all other things being equal, the larger wheel produces the
finer finish.
E ffect of Contact Area on Buffability of Steel
Awheel with a smaller contact area may be the better choice
where the buffability of steel is a consideration. The small wheel
produces a shorter scratch and reduces buffing time. The larg e r
wheel produces a longer scratch that, in the example, requires
50% more buffing time.
E ffect of Contact Wheel Hardness on Stock
R e m o v a l
The harder the wheel, the more stock removed.
Wheel Hardness as a Factor on the
Roughing Line
On the roughing line, the general practice is to use the hardest
possible contact wheel which will still give the required
coverage. Anatural approach would be to use a softer wheel to
get the desired coverage on a contoured piece, and also to
remove the same amount of stock over the entire width of the
sheet or coil. However, it’s effective to slot the hard wheel in a
way that will give the required c o v e r a g e .
E ffect of Contact Wheel Hardness on
S u r face Finish
Generally speaking, the softer contact wheels result in a
f i n e r f i n i s h .