Model: Textile Machinery - Twister Machine - Twister Machine
The staple fiber twister is a twisting machine, which is mainly used for the twisting of short fibers such as combed cotton, wool yarns, and polyester blends.
Precise degree of control, ie twisting motor and winding motor with closed-loop speed control
Winding requires no ribbing, no doffing, no yarn
3. Plan descriptionThis program selects our 226M-CAN controller. This type of CPU can build a PPI network to realize the human-machine interaction with the HMI; a free port communication, and data reading and writing functions with third-party inverters; a CAN communication port, Establish CANopen network master station to realize real-time and efficient communication with winding servo and traverse servo.
4. Solution diagram
(1) Constant winding speed: The winding speed is the main vehicle speed, which determines the production speed of the whole machine. The servo motor speed is set according to the winding speed and the servo controller can perform PID adjustment.
(2) Twisting speed is constant: Twisting spindles require constant speed under different loads. The speed measurement function of the T-method that comes with the PLC of our company can realize accurate speed measurement. Through PLC internal PID adjustment, it can achieve constant twisting speed.
(3) traverse speed: traversing speed is the speed of lateral thread moving, according to the winding requirements of different types of yarn winding speed and winding speed to form a ratio, to determine the cross angle of the winding back and forth; If it is too slow or too fast, too slow results in an excessive accumulation of spines when the traversing direction is reversed, resulting in hard deformation and dropping. If the rotation is too fast, the servo will overshoot or flicker and cause the wire to drop.
(4) Start and stop synchronization: In the three processes of starting, running and stopping, the spindle speed, winding speed and traverse speed are strictly kept in synch, thus effectively ensuring that the winding error is within the minimum range.
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