A small switching gear, a contrategear shaft respectively fixedly connected with a big chain wheel and a big gear, a speed change gear set and a generator set are arranged in the casing.
外壳内，设有小切换齿轮、分别与大链轮和大齿轮固连的端面齿轮轴、变速齿轮组和发电机组。
2
The outspread principle of involute and enveloping principle of curve is applied to build the model of double involutes gearcontrate profile, the veracity is verified by the data.
运用渐开线展开和曲线包络原理，建立了双渐开线齿轮端面齿廓数学模型，用数据验证了模型的准确性。
3
A method of measuring contrate involute errors of double gears, gear shapers and gear shavers on the CZ450 gear integrated error tester using the polar coordinate method is introduced.