Internal Grinding Wheel

The significant difference between cylindrical
grinding of internal & surfaces is the Wheel to Work
conformity. In Internal grinding, on account of
grinding of internal surfaces the arc of contact and
thereby the conformity between the wheel and
work-piece, is substantially higher.In Internal Grinding, high Wheel-Work conformity
results in

Large number of grains in contact with the
work-piece > Lower Force per unit grain

Grain and bond fracturing gets hampered due
to low Force per grain and can lead to more
rubbing and sliding of the abrasive while
grinding (Glazing)

Poor coolant availability in the grinding zone

The work material debris (chips) have a higher
probability to be entrapped between the
wheel and the work, leading to their increased
frictional effect

High heat generation due to poor lubricity,
higher friction and iability to remove heat
effectively from grind zone