This twin-shaft Vertical Reciprocating Conveyor (VRC) system is an advanced logistics solution engineered for high-throughput, multi-story industrial facilities. Featuring two parallel lifting units with multiple floor-stop capabilities, it facilitates simultaneous vertical material flow across four levels. The system is fully integrated with automated roller conveyors and high-speed roll-up doors, ensuring seamless synchronization with automated guided vehicles (AGVs) or production lines. Each system is customized to specific building heights and throughput requirements, providing a robust, high-capacity vertical link for intelligent manufacturing and distribution centers.
| Parameter | Unit | Standard Range | Customization Options |
| Number of Lifting Shafts | pcs | 2 (Twin-shaft) | Multi-shaft configurations available |
| Rated Capacity (per shaft) | kg | 1,000 / 2,000 / 5,000 | Custom designed for heavy industrial loads |
| Number of Floor Stops | levels | 2 – 6 Stops | Tailored to building floor count |
| Max. Vertical Travel | mm | 5,000 – 25,000 | Configurable to plant/warehouse height |
| Lifting Speed | m/min | 6 – 15 | VFD-controlled high-speed options |
| Platform Dimensions | mm | 2,000 x 2,000 | Dimensions tailored to pallet or AGV size |
| Integrated Conveyor Type | – | Power Roller Conveyor | Belt, chain, or heavy-duty slat conveyors |
| Access Door Type | – | High-speed Roll-up | Vertical acting or bi-parting industrial doors |
| Control Architecture | – | Centralized PLC | Full WMS/MES integration via Profinet/Ethernet |
| Safety System | – | Mechanical Safety Cams | Redundant sensors, light curtains, and interlocks |
High-Throughput Twin-Shaft Configuration: Features two parallel lifting shafts that can operate independently or in synchronization, doubling the vertical transport capacity and providing operational redundancy for critical production lines.
Multi-Stop Precision Control: Engineered for multi-level accessibility (as shown with 4 stops), utilizing high-resolution encoders and laser sensors to ensure precise floor-level alignment at every elevation.
Fully Automated Conveyor Integration: Each landing level is equipped with synchronized power roller conveyors and safety barriers, enabling fully automated “hands-off” material transfer between the lift and floor-level logistics systems.
High-Speed Industrial Roll-up Doors: Integrated with automated rapid-acting doors at each port to ensure personnel safety, environmental isolation, and protection against dust or noise during high-speed carriage travel.
Advanced PLC System Integration: Centralized control architecture supports full integration with factory-wide WMS/MES systems, featuring localized HMI touchscreens and signal towers at every floor for real-time status monitoring.
Integrated Maintenance Architecture: Includes structural staircases, safety handrails, and an elevated top-level catwalk, providing safe and convenient access for technical inspections and routine maintenance of the drive systems.
Fail-Safe Mechanical Safety Cams: Equipped with heavy-duty safety gear that instantly locks the carriage to the guide rails in the event of a lifting medium failure, meeting rigorous international industrial safety standards.
Smart Multi-Level Factories: Provides a high-efficiency vertical link between multiple production floors, enabling the automated transfer of materials from raw storage to final assembly stages.
High-Throughput Distribution Centers: Ideal for 24/7 logistics hubs where two independent lifting shafts ensure continuous flow and redundancy for pallet or bin transport across 4+ levels.
Automotive Tier-1 Manufacturing: Facilitates the movement of heavy automotive sub-assemblies or engines between different elevation-based testing and assembly stations.
AGV/AMR Vertical Integration: The automated conveyor beds are designed to interface perfectly with mobile robots, allowing for a fully unmanned vertical and horizontal material handling loop.
E-commerce Fulfillment Hubs: Supports high-cadence picking and sorting operations by moving large volumes of totes or parcels between multi-story mezzanine floors and shipping docks.
Pharmaceutical & High-Value Cargo Handling: The enclosed design and rapid doors protect sensitive materials from environmental exposure while maintaining high-speed throughput.
For this heavy-duty series, we can engineer load capacities up to [300] tons, with platform dimensions and lifting heights customized to your operational envelope. Requirements exceeding our standard engineering matrix will undergo a Finite Element Analysis (FEA) by our engineering team to ensure structural viability before proposing a solution.
To initiate the engineering proposal, please provide the following baseline data:
Rated Load Capacity
Maximum Lifting Height & Closed Height
Platform Dimensions (L x W)
Duty Cycle (e.g., operational cycles per hour/day)
Environmental Conditions (e.g., indoor/outdoor, washdown, explosion-proof)
Pit depth or overhead clearance constraints
Yes. The control systems can be equipped with standard communication protocols (e.g., Profinet, Modbus, Ethernet/IP) utilizing [Siemens / Allen-Bradley / Omron] PLCs. This ensures seamless I/O signal synchronization with upstream/downstream conveyors, AGV/AMR units, and your central control room.
Every custom unit undergoes a mandatory Factory Acceptance Test (FAT) prior to dispatch. This includes continuous operational testing at 100% rated load, static overload testing at [120% / 125%] capacity, and the physical triggering of all mechanical anti-fall and hydraulic safety interlocks. FAT documentation and video proof are included in your engineering package.
Upon final approval of the General Arrangement (GA) drawings, the manufacturing lead time is typically 4 to 8 weeks. Oversized structural components are engineered with a modular design to fit into standard shipping containers (20FT/40HQ). On-site assembly utilizes pre-engineered bolted flange connections and heavy-duty aviation plugs, strictly eliminating the need for field welding.
We provide a standard [12/24]-month warranty covering the structural frame and primary hydraulic/electrical components. To minimize operational downtime, a comprehensive set of standard consumables (e.g., cylinder seal kits, travel switches, relays) is shipped alongside your equipment. During the warranty period, replacement parts for non-human-induced failures are dispatched via priority air freight (DHL/FedEx) within 48 hours.
Beyond the warranty, we guarantee lifetime engineering support. Your custom equipment's CAD drawings, electrical schematics, and BOM (Bill of Materials) are permanently archived in our system. This ensures you receive uninterrupted remote troubleshooting, maintenance guidance, and exact spare parts matching for the entire lifecycle of the equipment.
Gradin Machinery is a leading manufacturer specializing in aerial work platforms and hydraulic lifting solutions. With ISO & CE certifications, we provide safe, reliable, and customized equipment for global industrial needs
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