AT240 Series Single Yarn Sizing Machine is suitable for yarn sizing of cotton, flax, silk, wool, synthetic filament, etc. As the textile industry develops in the direction of small quantity, diverse variety and prompt delivery, our company has developed the AT240 Series Yarn Sizing Machine in response to the increasing requirements for product samples. It is widely used in sampling in industries such as wool spinning, cotton spinning, colored weaving and natural silk, etc. « Independent control of each spindle with digital display of speed and length; « Motor of rotating frame controlled by inverter or stepless-adjustable speed controller, and grooved drum controlled by servo motor to trace the speed of rotating frame for automatic tension control; « Rotating frame storing 160 turns of yarn to increase drying time; « Grooved drum controlled by servo motor, with its rotation speed automatically adjusted according to the speed of rotating frame to control yarn tension; « Digital display of tension index, digital display of rotating frame speed and length counting; « Easy and convenient to operate.