Single Girder Overhead Crane

Product Item : Single Girder Overhead Crane
Category： Overhead Crane
Lifting Capacity: 1-32 tons
Self-Weight: Lightweight design, 30% lighter than traditional models
Main Girder Material: Q345B high-strength steel (bending strength 470MPa)
Application: Workshops, warehouses, assembly lines, logistics centers
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Single Girder Overhead Crane | Cost-Effective Material Handling Solution

Product Overview

HENAN HENGKUN Single Girder Overhead Cranes are engineered for precision lifting in workshops, warehouses and production lines. With SWL from 1 to 20 tons and span up to 30m, our ISO-certified cranes deliver exceptional performance in medium-duty material handling.

Core Engineering Breakthroughs

1. Optimized Monobox Girder
→ Hybrid steel plate/I-beam construction (EN 10025 S355JR)
→ 25% lighter vs. double girder designs

2. Intelligent Motion System
→ Cone brake motors with open gearing (IEC 60034-30)
→ Optional soft-start/VFD for jerk-free operation

3. Flexible Control Ecosystem

→ Ground pendant (IP65) / Wireless remote (2.4GHz) / Cabin control

→ Open/closed cabin options (ISO 10294-2 certified)

Technical Specifications

Model	LD-5T	LD-10T	LD-16T
Span	7-22m	8-26m	10-30m
Lift Ht	6-18m	6-20m	8-24m
Hoist Speed	8/0.8 m/min	7/0.7 m/min	6/0.6 m/min
Work Class	A3-A5 (ISO 4301)
Wheel Load	48kN	92kN	145kN

Core Standards
▸ Structural: FEM 1.001 Class B
▸ Safety: EN 13000 Category 2
▸ Environmental: IP54 (Standard) / IP65 (Optional)

Drive Technology Options

STANDARD CONFIG
• Tapered brake motors
• Open gear transmission

ADVANCED UPGRADES
→ Soft-start motors: Reduce mechanical shock by 70%
→ Full-range VFD: 0-100% speed control + energy recovery

Operational Safety

+ Dual-limit switches (Hoist & travel)
+ Emergency stop circuit (SIL 2)
+ Overload protection (110% cut-off)

- Not for explosive/corrosive environments (AS/NZS 61058.1)

Project Highlight: Thai Union Frozen Foods, Thailand

Challenge
Replace manual handling in 18m high freezer warehouse (-25°C)

Solution

12× LD-5T cranes with:
→ Cold-proof VFD drives (ISO 12405-3)
→ Anti-condensation electrical cabinets
→ Low-temperature lubricants

Result
▸ 40% faster loading cycle
▸ Zero maintenance in 24 months operation
▸ 35% energy saving vs hydraulic systems

Industry Applications

◈ Warehousing - High-density storage optimization
◈ Manufacturing - Production line material feeding
◈ Cold Chains - Freezer-compatible configurations
◈ MRO Centers - Low-headroom workshop solutions

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