用变频调速和机械变速相结合的方法，在主运动为旋转运动的通用机床中，实现全部恒功率范围内的无级调速。
Use the method of the frequency governor with machine speed. Bring about a stepless regulation of all constant power range, in the rotating main movement of universal machine tools.
介绍了一种具有一定应用范围的机械式无级变速器。
A kind of mechanical patterned step-less variator with specified range of application has been introduced.
对无级变速器速比的取值范围进行了计算，并按照质量集中法简化了传动系的模型。
The range of CVT ratio has been calculated and the drivetrain model has been simplified according to lumped mass method.
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