UNIC URW-546 Mini Spider Crane
The UNIC URW-546 Mini Spider Crane is a marvel of engineering, designed to lift and maneuver heavy loads in spaces where traditional cranes cannot operate. Its compact size, combined with an impressive lifting capacity, makes it a popular choice across diverse industries, including construction, manufacturing, and maintenance.
Specifications
| Specification | Value |
|---|---|
| Capacity | 4.0t x 2.5m |
| Maximum Lifting Height | 16m (22.8m with hydraulic jib) |
| Maximum Working Radius | 15.52m (17m with hydraulic jib) |
| Maximum Boom Length | 15.71m |
| Total Width | 1.4m (1.3m with hydraulic jib) |
| Engine | Tier 4 Yanmar diesel engine (electric dual power option), 15.2kW (20.7PS) / 2500 min rpm |
| Fuel Tank Capacity | 40 liters |
| Travel Speed | 0 - 3 km/h |
| Gradability | ± 20° (vertical), 20° (traverse) |
| Hook Block Options | 4 Fall (20.52m, 4000kg max), 2 Fall (42.54m, 2000kg max), 1 Fall (86.57m, 1000kg max) |
| Weight | 4,940 - 5,090 kg |
Key Features
- Compact Size: Width of just 1.4m (1.3m with hydraulic jib) allows access through standard doorways and confined spaces.
- Radio Remote Control: Operators can control the crane remotely for increased safety and precision.
- Intelligent Throttle Activation: Optimizes fuel consumption and reduces emissions by adjusting engine speed.
- Operator-Controlled Outriggers: Extend to different positions based on lift requirements, providing enhanced stability.
- Optional Mains Electric Power: Suitable for indoor and low-emission environments.
- Zero-Length Increase with Electric Option: Maintains compact size even when using the electric power source.
- Fly Jib and Searcher Hook (Optional): Extends reach and lifting height for complex operations.
- Radio Remote Control with Feedback Display (Optional): Displays real-time load data, boom angle, and outrigger positions.
- Outrigger System: Four hydraulic telescoping single-stage double box beam outriggers with integral holding valves.
- Variable Footprint (Optional): Allows outriggers to be set at different widths for increased stability.
- Low Marking Tracks (Optional): Protects sensitive flooring surfaces during indoor operations.
Safety Features
- Working Area Limitation: Prevents operation outside pre-set zones to avoid obstacles and hazards.
- Slew Limitation (Optional): Restricts rotation to prevent collisions in confined spaces.
- Intelligent Voice Warning System: Alerts operators to potential hazards with audio notifications.
- Overload Warning Alarms: Activates audible and visual alerts when approaching maximum load capacity.
- Anti-Two Block System: Prevents the hook block from contacting the boom head, ensuring safe lifting.
Applications
- Construction: Lifting building materials, machinery, and equipment in tight spaces.
- Industrial Maintenance: Used in factories and warehouses for repair and equipment installation.
- Hydroelectric Dam Construction: Successfully operated in Peru, proving reliability in challenging terrain.
- Indoor Lifting: Ideal for shopping malls, airports, and hospitals, with an electric power option for low emissions.
Advantages
- Compact and Powerful: Offers an excellent balance between size and lifting capacity.
- Advanced Safety Systems: Includes overload alarms, slew limitation, and intelligent voice alerts.
- Versatility: Optional equipment like fly jib and searcher hook expand lifting capabilities.
- Hydraulic Jib (URW-546-2 Model): Extends reach for more complex lifting tasks.
Comparison to Other UNIC Models
The URW-546 is a mid-range model within the UNIC mini spider crane lineup. While smaller models like the URW-094 and URW-295 offer better portability, the URW-546 provides significantly greater lifting capacity. Larger models like the URW-706 and URW-1006 offer even more lifting power but at the cost of increased size and weight.
Authorized Dealers
| Dealer Name | Location |
|---|---|
| National Lift Truck Inc | Franklin Park, Illinois |
| Stevenson Crane Service, Inc. | Bolingbrook, Illinois |
| Walter Payton Power Equipment LLC | Riverdale, Illinois |
Conclusion
The UNIC URW-546 Mini Spider Crane is an innovative lifting solution that combines compact size, high lifting capacity, and advanced safety features. Its versatility allows it to excel in construction, industrial maintenance, and specialized applications like hydroelectric dam construction. With intelligent systems, optional enhancements, and a global dealer network, the URW-546 is a leading choice for lifting in confined spaces.