In the article , hypocycloid 's formation method , engagement theory , driving theory , and typical structure of the hypocycloidal drive are mainly discussed , and besides , a contrastive analysis of hypocycloid and epicycloid is made .

本文主要论述了内摆线的形成方法、啮合原理、传动原理、内摆线针轮行星传动的典型结构、并对内、外摆线作对比分析。