More heat generation

Poor surface finish

Excessive cutting pressure between the wheel face and the work surface

All of the above

Dense structure

Feed too fine

Wheel speed more than recommended

Proper grain size and grade of wheel

Parallel reamer

Taper reamer

Adjustable reamer

Floating reamer

Larger bevel lead for the cutting edge

More number of cutting teeth

Less number of cutting teeth

Unequal spacing of cutting edgs

Grade of wheel is too hard

Abrasive of wheel is not suitable for the purpose

Grain size is too coarse

Structure of the wheel is too open