In medium- and low-voltage power cable production, the laying-up stage determines final cable roundness, lay length consistency, and long-term electrical reliability. The RLB 3-5 Core Power Cable Laying Up Machine (cage/cradle type) is a high-precision solution engineered for stranding 3-, 4-, and 5-core power cables using round, straight-sector, or pre-spiral sector conductors.
Featuring true 100% back-twist technology, independent AC servo drives, and HMI+PLC control, this machine delivers superior cable geometry, minimal conductor stress, and high production efficiency while supporting optional filling and online taping.
Brief Technological Process
Pay-off Cradles → Planetary Cage Rotation (100% Back-Twist) → Haul-Off (Capstan or Caterpillar) → Take-Up 3-5 insulated cores from rotating cradles → High-precision planetary stranding with adjustable back-twist → Dual-wheel capstan or heavy-duty caterpillar for stable traction → Optional filling (up to 24 bobbins) and online taping → Large drum take-up → Finished multi-core power cable with perfect geometry and low internal stress.
The planetary design ensures uniform tension and superior roundness compared to traditional rigid stranders.
Advanced Features & Process Advantages
- 100% Back-Twist Stranding: Ensures excellent roundness and stable lay length with minimal internal stress — critical for power cable performance and bending radius.
- Independent Servo Drives: Main rotor, traction (dual-wheel capstan or caterpillar), and take-up operate independently for precise synchronization and automatic pitch adjustment.
- Intelligent Control: HMI+PLC system allows easy pre-setting of laying-up pitch, speed synchronization, and real-time monitoring.
- Flexible Haul-Off Options: Dual-wheel pulling capstan for smaller cables or heavy-duty caterpillar for larger power cables.
- Optional Filling & Taping: Up to 24 filling bobbins; compatible with semi-tangential taping machines for simultaneous laying-up and taping.
- Easy Bobbin Handling: Side, front, or back crane loading for fast changeovers.
The machine handles copper conductors ≥Φ1.5 mm and aluminum conductors ≥Φ1.7 mm, making it ideal for both standard and sector-shaped multi-core power cables.
Technical Specifications
1+3 Configuration (4 Bobbins)
| Model |
Drum φ (mm) |
Cable Section Round Cores (mm²) |
Cable Section Sector Cores (mm²) |
Finished Cable φ (mm) |
Rotor Speed (rpm) |
Line Speed (m/min) |
Main Motor Power (kW) |
| KP100 |
1000 |
16–240 |
16–240 |
60 |
55 |
60 |
55 AC |
| KP125 |
1250 |
25–300 |
16–240 |
80 |
36 |
60 |
55 AC |
| KP160 |
1600 |
25–300 |
16–240 |
100 |
24 |
45 |
55 AC |
1+4 Configuration (5 Bobbins)
| Model |
Drum φ (mm) |
Cable Section Round Cores (mm²) |
Cable Section Sector Cores (mm²) |
Finished Cable φ (mm) |
Rotor Speed (rpm) |
Line Speed (m/min) |
Main Motor Power (kW) |
| KP100 |
1000 |
16–240 |
16–240 |
60 |
55 |
60 |
65 AC |
| KP125 |
1250 |
25–300 |
16–240 |
80 |
30 |
60 |
65 AC |
| KP160 |
1600 |
25–300 |
16–240 |
100 |
20 |
45 |
65 AC |
Take-up and pay-off drum sizes can be customized to customer requirements.
Primary Applications in Cable Industry
- 3–5 core low- and medium-voltage power cables
- Round, sector, and pre-spiral sector conductor designs
- ABC overhead bundled cables
- Control and instrumentation cables requiring multi-core stranding
- Rubber-insulated flexible power cables
Perfect for modern cable plants in Saudi Arabia and the GCC seeking high-efficiency planetary laying-up solutions.
Engineered for Reliability & Production Efficiency
Built by RLB (Jiangsu Reliable Industry Co., Ltd.), the 3-5 Core Power Cable Laying Up Machine features heavy-duty construction, premium servo motors, and proven PLC/HMI controls that ensure years of stable 24/7 operation with minimal maintenance. Cable manufacturers report higher output, lower scrap rates, consistent lay length, and excellent electrical performance compared to traditional planetary stranding systems.
Detailed FAQs – Answering Your Customers’ Real Questions
Q1: What is the main advantage of planetary laying-up over rigid stranding?
A: Planetary design provides true 100% back-twist (or non-back-twist), superior roundness, minimal conductor stress, and better flexibility — ideal for power cables requiring excellent bending performance.
Q2: Can the machine handle both round and sector conductors?
A: Yes. Fully supports round cores (16–300 mm²), sector cores (16–240 mm²), and pre-spiral cores (up to 400 mm²).
Q3: What haul-off options are available?
A: Dual-wheel capstan for medium cables or heavy-duty caterpillar for larger power cables — interchangeable according to production needs.
Q4: Is filling and taping supported?
A: Yes. Optional yarn filler plate for up to 24 filling bobbins and compatibility with semi-tangential taping machines.
Q5: Is the machine suitable for complete turnkey lines?
A: Yes. As a leading cable and wire machinery supplier, we provide full integration with pay-off, extrusion, armoring, and testing systems.
Q6: Do you provide installation and training in Saudi Arabia?
A: Yes. Full turnkey installation, commissioning, operator training (English), 24/7 remote diagnostics, and local spare parts support.
Why Choose RLB 3-5 Core Power Cable Laying Up Machine?
- Reliable Quality: Heavy-duty construction with premium servo motors and proven HMI+PLC controls for years of stable 24/7 operation.
- Customized Service: Tailored to your core count, conductor type, haul-off preference, and factory layout in Saudi Arabia & GCC.
- Long-term Partnership: Complete installation, operator training, spare parts supply, remote diagnostics, and performance-based maintenance contracts.
- Vision 2030 Ready: High-efficiency technology supporting local power cable manufacturing and green energy infrastructure.
Inquiry Now
Contact our technical team today. Within 48 hours we will provide a detailed configuration proposal, ROI calculation, layout drawings, and reference cases from similar GCC projects.
Ready to optimize your multi-core power cable production?
Inquiry Now — Let us deliver the high-precision 3-5 Core Power Cable Laying Up Machine that powers your cable manufacturing success in Saudi Arabia and the GCC.
Wire and Cable Core Laying Up Machine
High-precision 3-5 Core Power Cable Laying Up Machine with 100% back-twist for round, sector and pre-spiral conductors. HMI+PLC control, caterpillar or capstan haul-off.
Product SKU:
KP-125 / LAYING-UP-3-5-CORE
Product Brand:
RLB Machinery
Product Currency:
USD
Product Price:
Contact for Quote
Product In-Stock:
InStock
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