In the high-volume wire and cable manufacturing industry, choosing the right process bobbin is critical for maintaining production efficiency, coil integrity, and long-term equipment reliability. The PN800-5000 Corrugated Cable Drums (also known as PN Corrugated Bobbin or corrugated steel cable reels) are heavy-duty pressed steel bobbins featuring a reinforced corrugated barrel and flange design. Engineered for superior rigidity and strength-to-weight performance, these bobbins are widely used in stranding, extrusion, cabling, and armoring lines for power cables, steel ropes, and stranded conductors.
Their innovative corrugated structure provides exceptional resistance to deformation under high tension and high-speed operation, making them the preferred choice for both production take-up/pay-off and finished coil handling.
Description & Primary Applications
The RLB PN800-PN5000 Corrugated Cable Drums are specifically engineered as robust process and production bobbins for:
- High-speed cable stranding, bunching, and drawing operations on wire stranding machine, bunching machine, and wire drawing machine lines
- Power cables, medium-voltage, low-voltage, and communication cable extrusion and cabling
- Steel rope and strand production
- Heavy-duty take-up and pay-off in modern wire and cable factories
- Finished coil handling, storage, and transportation
The innovative corrugated structure ensures stable, vibration-free winding even with large-diameter or high-tensile materials, significantly improving productivity while reducing downtime and cable damage.
Structural Design & Engineering
These bobbins are constructed from high-strength pressed steel plates using precision stamping and welding technology. The distinctive corrugated (ribbed) barrel and flange design is the core engineering feature:
- Reinforced corrugated flanges for maximum bending strength and impact resistance
- Corrugated barrel providing superior rigidity while keeping overall weight low
- Precision-machined hub and support ribs for excellent concentricity and dynamic balance
- Smooth contact surfaces that protect cable insulation and ensure uniform layering
This advanced structure delivers outstanding mechanical performance compared to traditional flat steel drums.
Key Features & Benefits
- High-Strength Corrugated Construction — Ribbed barrel and flanges provide exceptional rigidity and deformation resistance under heavy loads and high rotational speeds.
- Optimal Strength-to-Weight Ratio — Lighter than solid drums yet capable of handling the heaviest cable coils with ease.
- Superior Dynamic Balance — Precision manufacturing minimizes vibration, enabling smoother operation and higher winding speeds on modern cable lines.
- Long Service Life & Reusability — Durable pressed steel construction withstands continuous industrial use with minimal maintenance.
- Versatile Production Compatibility — Perfect for integration with wire stranding machine, bunching machine, wire drawing machine, extrusion, and armoring equipment.
- Full Customization Available — Dimensions, bore diameters, surface treatments (painting or galvanizing), and special reinforcements tailored to customer specifications.
These advantages translate into measurable gains: higher line speeds, better coil quality, reduced maintenance costs, and extended bobbin lifespan — critical for competitive cable manufacturing environments.
Industry Standards & Technical Parameters
PN800-5000 Corrugated Cable Drums are manufactured in strict accordance with international standards or fully customized to client requirements:
- GB4004-83
- JB/T8997.4-1999
- DIN 46395
Technical Specifications (representative models):
| Type | d₁ (mm) | d₂ (mm) | d₃ (mm) | d₄ (mm) | d₅ (mm) | e (mm) | L₁ (mm) | L₂ (mm) | V₁ (dm³) |
|---|
| 800 | 800 | 400 | 102 | – | 28-40 | 160 | 600 | 500 | 188.5 |
| 900 | 900 | 450 | – | – | – | – | 670 | 560 | 267.2 |
| 1000 | 1000 | 500 | – | 80 | 28-40 | 160 | 750 | 630 | 371.1 |
| 1150 | 1150 | 560 | – | – | – | – | 850 | 710 | 524.6 |
| 1250 | 1250 | 630 | 160 | – | – | – | 950 | 800 | 732.4 |
| 1400 | 1400 | 710 | – | – | – | – | 1060 | 900 | 1029.1 |
| 1600 | 1600 | 800 | – | – | – | – | 1180 | 1000 | 1508.0 |
| 1800 | 1800 | 1000 | 140 | 100 | – | – | 1320 | 1120 | 1970.4 |
| 2000 | 2000 | 1120 | – | – | – | – | 1500 | 1250 | 2695.5 |
| 2240 | 2240 | 1250 | 158 | 125 | 70-130 | 300 | 1700 | 1400 | 3799.1 |
| 2500 | 2500 | 1500 | – | – | – | – | 1900 | 1600 | 5026.5 |
| 2800 | 2800 | 1800 | 168 | 140 | – | – | 2120 | 1800 | 6503.1 |
| 3150 | 3150 | 1900 | 194 | 160 | – | 500 | 2300 | 2000 | 9915.6 |
Note: Custom sizes, bore diameters, and surface treatments (painting or galvanizing) are available upon request.
Why Choose RLB PN800-PN5000 Corrugated Cable Drums?
As a long-established supplier of complete wire and cable machinery solutions, RLB is committed to reliable quality, customized service, long-term cooperation, and proven technical solutions. We understand that every auxiliary component must enhance overall line reliability and productivity. Our corrugated steel cable reels combine high mechanical strength, reduced weight, and reliable performance—delivering higher winding speeds, better coil quality, lower maintenance, and extended service life in demanding production environments.
Whether you operate high-speed wire stranding machine, multi-head bunching machine, or large-diameter wire drawing machine lines, the RLB PN series corrugated cable drums provide the stable, high-performance solution essential for operational excellence.
Ready to optimize your cable production with superior bobbins?
Inquiry Now for detailed technical proposals, custom dimensions, dynamic balance specifications, and layout integration support tailored to your wire and cable manufacturing needs.
Corrugated Cable Drums PN800-PN5000 – Reliable Cable
PN800-PN5000 Corrugated Cable Drums feature reinforced corrugated barrel and flange design for superior rigidity in high-voltage/XLPE cable stranding, extrusion, and armoring lines. Exceptional load capacity and long service life.
Product SKU: PN800 - PN5000
Product Brand: Reliable Machinery
Product Currency: USD
Product Price: Contact for Quote
Product In-Stock: InStock
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