| ud represents the number of revolutions the workpiece turns until the grinding wheel has moved laterally by its own width. Using this ratio, one can easily establish the traverse feed rate in mm per minute: |
Guideline for ud:
Finishing = 5 - 6
Roughing = 3 - 4
ud = bs / fa
fa = bs / ud
vfa = nw * fa
vfa = nw * bs / ud
ud = overlap ratio (Number)
fa = whell traverse feed rate per workpiece revolution (mm/rev.)
vfa = wheel traverse feed rate (mm/min)
bs = wheel width (mm)
nw = rpm of workpiece
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