The interface design principle and constitution of simulation machining system of epicycloidal hypoid gears is briefly introduced.The interface content of simulation machining system of epicycloidal hypoid gear is described in detail

including interface booting

data input

gear parameters design

feasibility test

strength verification

result output

help and prompt.The solid three-dimensional model of cutter tool and gear blank can be established by the simulation machining system of epicycloidal hypoid gear

it can be used to check and analyze the cutter interference

tooth surface scratches and gear ridge grooves.A theoretical basis for optimization design and manufacture of epicycloidal hypoid gears is provided.