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Application of brushless motors in textile machines44
Issuing time:2025-07-09 09:56 Brushless DC motors (BLDC), due to their advantages of high efficiency, low noise, long lifespan, and precise control, have become core power components in automated textile machinery, mainly applied in the following key areas:
1、Spindle Precision Speed Control System Core spindles of spinning and weaving machines require real-time speed adjustments based on yarn material (with ±1% precision). Brushless motors utilize Field-Oriented Control (FOC) to achieve smooth torque output, preventing yarn breakage caused by low-frequency jitter in traditional asynchronous motors, thereby improving efficiency by over 25%. 2、Yarn Winding and Tension Control In winding and warping machines, motors must maintain constant tension during unwinding and winding (e.g., with ±0.5N dynamic compensation). Brushless drives utilize 17-bit encoder feedback to correct speed in real-time, combined with low-ripple torque output (±0.01Nm), reducing yarn tension fluctuations and increasing the finished product qualification rate to over 99.7%. 3、High-Speed Shuttleless Weaving System The weft insertion mechanism of air-jet and water-jet looms requires the motor to accelerate within milliseconds (e.g., 0–100,000 rpm). Leveraging low-inertia rotors and Silicon Carbide (SiC) drive technology, brushless motors achieve a 40% faster response speed compared to traditional servo motors, with weft yarn positioning accuracy reaching ±0.1mm.
Huajuntong Motor has custom-developed coreless brushless motors for clients, specifically for yarn winding and tension control. Since the dynamic displacement of the yarn guide hook requires real-time compensation for yarn tension fluctuations, our 16mm coreless motor utilizes encoder feedback to correct rotational speed in real-time. This ensures consistent tension and guarantees a high finished product qualification rate. Furthermore, for other motor requirements within textile machinery, we offer a wide range of additional micro-motors to serve as auxiliary drives. |
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