{"id":28423,"date":"2026-04-26T06:44:19","date_gmt":"2026-04-26T06:44:19","guid":{"rendered":"https:\/\/doingcable.com\/?post_type=product&p=28423"},"modified":"2026-05-18T06:06:40","modified_gmt":"2026-05-18T06:06:40","slug":"bow-type-laying-up-machine-for-power-cable","status":"publish","type":"product","link":"https:\/\/doingcable.com\/ar\/product\/bow-type-laying-up-machine-for-power-cable\/","title":{"rendered":"\u0622\u0644\u0629 \u0644\u0641 \u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0645\u0642\u0648\u0633"},"content":{"rendered":"

In the production of multi-core cables, achieving perfect back-twist, uniform lay length, and high production speed is essential for electrical performance and mechanical quality. The RLB Bow Type Laying Up Machine<\/strong> (models KW-100, KW-125, KW-160) is a high-efficiency solution designed specifically for stranding 2\u20136 cores of ABC overhead cables, control cables, and power cables.<\/p>\n

Adopting 100% back-twist technology, this bow-type cabler ensures minimal internal stress in the conductors while delivering excellent roundness and stable lay length.<\/p>\n

Working Principle of the RLB Bow Type Laying Up Machine<\/h2>\n

The machine operates on the proven skip\/bow stranding principle: insulated cores or stranded conductors are paid off from rotating bows in a continuous, high-speed motion. The bow frame\u2014constructed from high-tensile-strength, lightweight materials with an optimized aerodynamic profile\u2014rotates while the cores pass through a series of guides, applying exact back-twist without additional torsional forces. This design ensures the cable remains stress-free, preserving insulation integrity and electrical properties. Independent AC servo drives synchronize the main bow, traction unit, and take-up, while the HMI + PLC system provides real-time pitch adjustment (stepless via touchscreen) and full process monitoring.<\/p>\n

Key Advantages of the RLB Bow Type Laying Up Machine<\/h3>\n
    \n
  • 100% Back-Twist Mode<\/strong>: Superior cable quality and electrical performance for high-frequency and power applications.<\/li>\n
  • Independent AC Servo Drives<\/strong>: Main bow, traction capstan (or caterpillar), and take-up are driven separately for precise synchronization and pitch control.<\/li>\n
  • HMI + PLC Intelligent Control<\/strong>: Automatic pitch adjustment, real-time monitoring, and easy operation via touch screen.<\/li>\n
  • Constant Tension Control<\/strong>: Electromagnetic tensioner + manual adjustment system ensures stable tension from full to empty bobbin.<\/li>\n
  • \u0627\u0644\u062a\u0639\u0628\u0626\u0629 \u0648\u0627\u0644\u0644\u0635\u0642 \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0627\u0646<\/strong>: Up to 24 filling devices; can be equipped with one or more semi-tangential taping machines for simultaneous laying-up and taping.<\/li>\n
  • Flexible Haul-Off & Bobbin Handling<\/strong>: Dual-wheel capstan for medium sizes or caterpillar for larger power cables; side\/front\/back crane loading for easy bobbin change.<\/li>\n<\/ul>\n

    The machine supports stranded conductors with copper wire diameter \u2265 \u03a61.5 mm and aluminum wire diameter \u2265 \u03a61.7 mm, making it ideal for both overhead bundled conductors and underground power cables.<\/p>\n

    \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629<\/h3>\n\n\n\n\n\n\n\n
    \u0646\u0645\u0648\u0630\u062c<\/th>\nPay-off Bobbin (mm)<\/th>\n\u0633\u0631\u0639\u0629 \u0627\u0644\u062e\u0637 (\u0645\/\u062f\u0642\u064a\u0642\u0629)<\/th>\nConductor Section (mm\u00b2)<\/th>\nMax. Core Diameter (mm)<\/th>\nMax. Rotate Speed (rpm)<\/th>\n\u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 (\u0643\u064a\u0644\u0648\u0648\u0627\u0637)<\/th>\n<\/tr>\n<\/thead>\n
    KW-100<\/td>\n1000<\/td>\n150<\/td>\n8-70 (1+3B) \/ 10-70 (1+4B) \/ 14-70 (1+5B)<\/td>\n12<\/td>\n500<\/td>\n45 \/ 55 \/ 65 AC<\/td>\n<\/tr>\n
    KW-125<\/td>\n1250<\/td>\n150<\/td>\n10-95 \/ 14-95 \/ 14-95<\/td>\n16<\/td>\n400<\/td>\n55 \/ 65 \/ 75 AC<\/td>\n<\/tr>\n
    KW-160<\/td>\n1600<\/td>\n150<\/td>\n14-120 \/ 14-120 \/ 25-120<\/td>\n20<\/td>\n400<\/td>\n65 \/ 75 \/ 90 AC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Take-up and pay-off drum sizes can be customized according to customer requirements.<\/em><\/p>\n

    Bow Type vs Traditional Cradle Laying-Up Machine \u2013 Performance Comparison<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n
    \u0645\u064a\u0632\u0629<\/th>\nRLB Bow Type \/ Skip Stranding Machine<\/th>\nTraditional Cradle Laying-Up Machine<\/th>\n<\/tr>\n<\/thead>\n
    Back-Twist<\/td>\n100% (zero residual stress)<\/td>\nLimited \/ partial<\/td>\n<\/tr>\n
    Max Rotor Speed<\/td>\n400\u2013500 rpm<\/td>\n50\u2013200 rpm<\/td>\n<\/tr>\n
    Productivity<\/td>\n3\u201310\u00d7 higher<\/td>\nLower due to higher inertia<\/td>\n<\/tr>\n
    Suitable Cable Types<\/td>\nABC overhead, control, power (\u2264120 mm\u00b2)<\/td>\nLarger power cables (>120 mm\u00b2)<\/td>\n<\/tr>\n
    Noise & Safety<\/td>\nFully enclosed, <75 dB<\/td>\nHigher noise, open design<\/td>\n<\/tr>\n
    Pitch Adjustment<\/td>\nStepless via PLC\/HMI<\/td>\nManual gear changes<\/td>\n<\/tr>\n
    Tension Stability<\/td>\nConstant full-to-empty<\/td>\nVariable<\/td>\n<\/tr>\n
    Integration with Taping<\/td>\nOnline simultaneous operation<\/td>\nOften requires separate pass<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629<\/h3>\n
      \n
    • ABC (Aerial Bundled Conductor) Overhead Cables<\/strong><\/li>\n
    • \u0643\u0627\u0628\u0644\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0648\u0627\u0644\u0623\u062c\u0647\u0632\u0629<\/strong><\/li>\n
    • Low- and Medium-Voltage Multi-Core Power Cables<\/strong><\/li>\n
    • Rubber-Insulated Flexible Cables<\/strong><\/li>\n<\/ul>\n

      The RLB bow type laying-up machine can be seamlessly integrated with online semi-tangential taping units (double-pad non-metallic or copper tape) to realize synchronized laying-up and taping in a single pass, significantly improving production efficiency and cable quality.<\/p>\n

      Seamless Integration & Long-Term Reliability<\/h3>\n

      The RLB series integrates effortlessly with online semi-tangential taping units, filling devices, and downstream take-up systems for fully automated, single-pass production. Its rugged structure, modern monitoring, and centralized lubrication ensure high accuracy, repeatability, and minimal maintenance\u2014delivering years of trouble-free operation in 24\/7 cable plants worldwide.<\/p>\n

      Why Partner with RLB \u2013 Your Reliable Cable Machinery Supplier<\/h3>\n

      With decades of experience as a trusted \u0622\u0644\u0629 \u0648\u0636\u0639 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0645\u0642\u0648\u0633<\/strong> \u0648 Cable Stranding Machine<\/strong> manufacturer, RLB combines German-level engineering precision with practical, customer-driven customization. Every machine undergoes dynamic balancing, rigorous testing, and CE\/ISO compliance verification before shipment. We emphasize reliable quality, technical solutions, and long-term cooperation\u2014providing full lifecycle support from initial consultation and factory layout design to installation, operator training, spare parts, and remote technical assistance.<\/p>\n

      \u0627\u0633\u062a\u0641\u0633\u0631 \u0627\u0644\u0622\u0646<\/strong> \u2013 Contact our senior technical team today for a detailed proposal tailored to your cable specifications, production volume, and plant requirements. Let us help you upgrade your cabling line with proven, high-performance technology that maximizes output, minimizes costs, and ensures consistent premium cable quality.<\/p>","protected":false},"excerpt":{"rendered":"

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