AT207 Lab Two-for-one Winding Machine is a combination machine of winding and twisting. It can wind up to three yarns from three bobbins into one bobbin without twisting and doubly twist yarn with the rate of two twists per turn. It doubles the twisting speed than the traditional twisting device. Touch screen control and display; One working position for winding and three working positions for double twisting; Convenient and easy to operate. Technical Specification Model: AT207 Number of: spindles1 for winding3 for double twistingGrooved drumO/D82mmPitch: 2.5×147Take-up packageCylindricalMax. package diameter¢280mmMax. length setting999999 meter, electronic settingDrive mode Motor: with adjustable speedMax. winding speed1100meter/minute Yarn: -guiding traverseStandard 147mm Power supply: AC220V 50Hz, single-phase