6.10.4 Rolling defects in processing
During the rolling process, the complicated kinematics mean that the following rolling defects typical to the rolling of gear teeth profiles occur:
– undercut in the tooth root area of the gear,
– deviations in the shape of the flank,
– deviations in the flank alignment,
– spacing defects,
– deviations in radial runout.
Radial runout, spacing, flank shape and alignment affect the quality of the rolled part and the optimising of the gear tooth profile.