
261Machining by Abrasion
Sev
tgd
e
S
g
g
=−1
where
v
d
is the peripheral speed of the disk in m/min
e
g
is the correction coefcient (2–8)
S
g
is the slippage, percent
ψ is the driving disk inclination angle
If the grinding-wheel speed is v
g
, the peripheral speed of the workpiece is
calculated from
ve
wg
The machining time for this case t
m
becomes
t
ev
m
ao
gd
=
(min)
ψ
Applications for this type include the grinding of cylinders without
protrusions, such as steeples, shafts, bushes, and rings. It is also used for
end feed operations, in machining stepped shafts, and in neck bushes.
The depth of cut ranges from 0.002 to 0.2 mm. Longitudi ...