This paper brings out feasibility and applicability to make changedrive of double step sliding gear by moving one gear width along axis under conditions of Corresponding ratio of gear.
本文阐述了双联滑移齿轮在适当传动出情况下，轴向移动一个齿轮宽度就可以进行变速的可行性及适用场合。
2
Automatic yarn let-off system which used changegeardrive for regulating run-in values.
采用交换齿轮调节送经量的积极式送经机构。
3
Changegear ratio range, in particular, using planetary transmission, the transmission ratio can be up to 100 ~ 200 (single stage), the growth rate for slow down or drive.