SHAPER Featuring: slotted-cam; oscillating arm to facilitate cross-winding of silk yarn, eccentricactuated differential winding; automatic lubrication with gear oil pump; four winding ratios available by shifting the belt to different sets of pulleys.

• 成形部件:采用沟槽凸轮,摆臂往复移丝运动,并有防叠的差微机构。齿轮泵自动加油,搭配皮带轮可得到四种卷绕比。