... a maximum speed of 1.2 m/sKnitting system:Single knitting head double systemRacking:Controlled by servo motor racking within 2 ... by programProtection system:The machine will automatically alarm if yarn-breacking, piecing up, floating yarn,rewind, end of knitting,fail of tracking ... , and they can be adjusted at any time when the machine is running, making conveniences for operations as much as possible ...