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RenteZhihe (Jiangsu) Equipment Technology Co., Ltd. is a national high-tech enterprise integrating the R&D and production of stage machinery, performance equipment, industrial machinery, and intelligent systems.
We are China Servo Driven Zero Fleet Winch with Precision Control Manufacturers and Wholesale Servo Driven Zero Fleet Winch with Precision Control OEM/ODM Suppliers, the company owns two modern production workshops covering an area of 13,000 square meters and a 7,000-square-meter office building. Since its establishment in 2012, relying on superior quality and technological innovation, it has gradually developed into a professional manufacturer of stage machinery and equipment that integrates R&D and design, production and sales, installation and commissioning, as well as technical services.
It has eight offices nationwide, covering major core cities in North China, East China, South China, Northwest China, and Southwest China. Equipped with a professional technical team and more than 30 sets of production equipment, the company always regards technological innovation as the core driving force of enterprise development. With over ten years of experience accumulation and technological innovation, it has provided high-quality stage machinery and equipment for more than 1,000 engineering projects, including cultural and art centers, gymnasiums, conference centers, theaters, school auditoriums, and entertainment performance venues, as well as long-term maintenance services for products and equipment.
In addition, the company also provides OEM processing and non-standard customization services for stage machinery and equipment. Its products sell well both at home and abroad, winning high recognition from customers, project owners, and all sectors of society.
Technical Specifications
| Model | SZF-300 / SZF-600 / SZF-1200 |
| Load Capacity | 300 kg / 600 kg / 1200 kg |
| Lifting Speed | 0.01 – 1.0 m/s (fully variable) |
| Positioning Accuracy | ±0.5 mm |
| Lifting Height | Up to 30 meters |
| Motor Type | AC Servo with integrated brake |
| Motor Power | 1.5 kW – 5.5 kW |
| Power Supply | 380V / 50Hz / 3-Phase (customizable) |
| Cable Diameter | 4 mm – 10 mm steel wire rope |
| Encoder Resolution | High-resolution absolute encoder, 17-bit |
| Control Interface | EtherCAT, CANopen, Profinet, or Modbus |
| Brake System | Servo motor holding brake + safety brake |
| Protection Class | IP54 |
| Weight | Approx. 200 – 500 kg |
Applications
High-End Stage Automation – Core component for sophisticated stage automation systems in world-class performing arts centers.
Performer Flying Systems – Precise speed and position control essential for safe, reliable performer flying applications.
Scenic Effects and Transitions – Enables complex choreographed scenery movements with multiple synchronized winches.
Architectural Applications – Used in retractable ceilings, movable walls, and architectural installations requiring precise control.
Theme Park Show Systems – Provides the precise motion control required for animatronic elements and show effects.
Television Studio Automation – Enables automated camera and scenery movements in broadcast environments.
Key Advantages
Exceptional Positioning Accuracy – High-resolution encoder and servo control achieve positioning to within ±0.5mm for precise scenic alignment.
Dynamic Speed Control – Full variable speed from 0.01 m/s to 1.0 m/s with smooth acceleration and deceleration profiles.
Load Compensation – Advanced control algorithms automatically compensate for cable stretch and load variations.
Seamless System Integration – Multiple fieldbus interfaces enable integration with industry-standard show control systems.
Energy Efficient – Servo technology provides high efficiency with regenerative braking for reduced energy consumption.
Predictive Maintenance – Integrated monitoring provides early warning of potential issues, reducing downtime.
Payment & Shipping
Payment Terms: T/T (30% + 70%), L/C at sight for larger projects.
Lead Time: 35–50 working days for servo-equipped models.
Packaging: Heavy-duty crating with anti-static protection for sensitive electronics.
Shipping: FOB Shanghai, with dedicated logistics coordination for time-critical projects.
Programming Service: Motion control programming and commissioning service available.
Warranty: 24 months standard with extended coverage available for major projects.
Frequently Asked Questions
Q: What is the advantage of servo control over standard variable frequency drive (VFD) control?
A: Servo control provides full torque at zero speed, faster response times, higher positioning accuracy, and more precise speed regulation than standard VFDs. This is essential for applications requiring exact positioning and smooth motion profiles.
Q: Can the servo winch be integrated with existing control systems?
A: Yes, we provide multiple interface options including EtherCAT, CANopen, Profinet, and Modbus. Our technical team can work with your integrator to ensure seamless integration with existing or planned control infrastructure.
Q: What happens if power is lost during operation?
A: The servo motor includes a spring-applied holding brake that engages automatically on power loss. Additionally, a separate safety brake provides redundant protection for fail-safe operation.
Q: Is special training required for operation?
A: While the winch can be operated through standard controls, we recommend training for programming and troubleshooting. We provide comprehensive training packages for your technical team.
