Analysis is done to the main working principle of cots plus aprons in drafting process as well as the main specifications of cots plus aprons on spinning process.

• 分析了胶辊、胶圈在纺纱牵伸过程中的主要作用原理,以及胶辊、胶圈主要技术性能与纺纱工艺之间的关系。