GRP/FRP Insulating Pipe Winding Machine

In fields such as high-voltage electrical engineering, rail transit, and new energy, GRP/FRP insulation pipes must possess three core attributes: "high insulation strength, low dielectric loss, and structural stability." The GRP/FRP Insulation Pipe Winding Machine developed by Tuotian Aviation is supported by a "4-axis 6-linkage control system + patented winding technology," realizing full-automatic precision production of insulation pipes from raw materials to finished products. It is suitable for 10-110kV high-voltage insulation scenarios and various axisymmetric products (cylinders, cones, spheres, etc.).

The machine's core advantages lie in the dual drivers of "precision + flexibility": the drive system uses high-precision error-free servo motors with scale dials and drivers from Yaskawa (Japan), achieving synchronous control of four axes (main shaft speed, trolley movement, arm telescoping, and wire guide rotation). The profile control accuracy reaches an error-free level, ensuring that the wall thickness uniformity of insulation pipes is ≤±0.1mm and avoiding local electric field concentration caused by uneven wall thickness. The extending arm adopts a 3kW servo motor to directly drive a precision ball screw device, achieving a feeding accuracy of 0.005mm. It supports customization of insulation pipe diameters, lengths, and wall thickness specifications (not limited to the conventional 2-20mm wall thickness range), flexibly adapting to insulation needs in different application scenarios.

To address key pain points in insulation pipe production, the machine optimizes three critical structures: first, a synchronous glue tank that telescopes with the wire guide head, solving the problem of yarn slack during winding of tapered or variable-diameter sections. With a tension fluctuation of ≤±3N, it ensures the interlayer bonding strength of insulation pipes is ≥25MPa. Second, a water-bath electric heating impregnation system that dynamically adjusts resin temperature (RT-80℃), ensuring stable resin viscosity in different environments and a dielectric loss factor of ≤0.005 (at 20℃). Third, a closed 30-bobbin internal yarn-drawing creel that moves synchronously with the trolley, reducing yarn friction loss. The yarn breakage alarm response time is ≤0.5 seconds, avoiding material waste caused by production interruptions.

In terms of operation, the machine is equipped with a Chinese-English graphical human-machine interface and supports switching between automatic, semi-automatic, and manual modes. New operators can master the operation within 2 days using standardized parameter templates (e.g., "35kV Insulation Pipe," "110kV Insulation Pipe"). The control cabinet displays real-time dynamic parameters such as the number of trolley single trips and winding layers, and supports dual-operation (main station + auxiliary station). The automatic fault detection function reduces downtime by ≥30%. After a high-voltage electrical enterprise introduced this machine, the production cycle of insulation pipes was shortened to 60% of that of traditional equipment, with a pass rate stably above 99.2%, fully verifying Tuotian Aviation's technical strength in the field of insulation equipment.

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