Based on the meshing information of the tooth contact analysis(TCA)
the influence on the tooth contact quality caused by the machine tool adjustment parameter errors was studied.The effect law between the machine tool adjustment parameter errors and the spiral bevel gears tooth contact was researched.The researched object is a pair of spiral bevel gears processed by SGM(spiral bevel gears
generated
modified roll) adjustment card.The laws of the tooth contact quality caused by the machine tool adjustment parameter errors were obtained.Based on the results
the machine tool adjustment parameters which have great influence on the tooth contact quality are confirmed