Robotic Cube Storage ASRS Systems | High-Density Goods-to-Person Automation
Robotic Cube Storage ASRS is a high-density automated material handling solution engineered to maximize vertical warehouse space and eliminate unproductive travel time. By replacing traditional shelving and fork-truck aisles with an interlocking aluminum grid and autonomous top-of-grid robots, this architecture increases storage capacity by up to 400% within an identical footprint.
Bins stack vertically inside structural aluminum grid columns and are retrieved dynamically by multi-directional robots. Operating on a Goods-to-Person (G2P) principle, the system delivers requested bins directly to ergonomic workstation ports, reducing operator walk time and elevating pick accuracy to 99.9%.
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Robotic Cube Storage SystemThe ASRS Robotic Cube Storage System is a high-density, automated goods-to-person storage solution for distribution centers. By utilizing a modular aluminum grid framework, autonomous top-of-grid...view more
Product Types
Standard Industrial Grid System:
Configured for heavy-duty distribution centers handling standard plastic totes (600 × 400 mm footprint, variable heights from 220 mm to 420 mm).
Cold Storage Grid Configuration:
Built with low-temperature rated lithium-titanate batteries and corrosion-resistant alloy fasteners for continuous operation in -30°C deep-freeze environments.
Cleanroom Compliant Architecture:
Assembled using food-grade anodized aluminum profiles, sealed bearings, and particle-reduction shielding for pharmaceutical and semiconductor cleanroom environments (ISO Class 7/8 compatible).
Key Benefits
Space Utilization: Reaches up to 85% gross cube space utilization, reducing required real estate footprint by 3× versus selective pallet racking.
Incremental Scalability: Modular grid architecture allows live expansion of robots, lift ports, or grid blocks without halting active warehouse workflows.
High Availability & Redundancy: Decentralized robot fleet routing ensures no single mechanical or battery failure causes system-wide downtime; adjacent units dynamically reroute around faults.
Regenerative Power: Gravity-assisted lowering and dynamic braking return energy directly to on-board capacitors, lowering power consumption to approximately 0.1 kWh per pick cycle.
How It Works
Order Injection:
The Warehouse Management System (WMS) transmits pick commands to the system server.
01
Path Calculation:
Fleet algorithms compute collision-free travel matrices across the top-of-grid aluminum tracks.
02
Bin Excavation:
Robots travel to target coordinates, temporarily elevate overlying bins using integrated lifting belts, and extract the target bin.
03
Transport & Delivery:
The robot transports the bin across the grid surface to a drop-off location or workstation lift.
04
Operator Interface:
The ergonomic port presents the bin at working height with pick-to-light guidance, confirming inventory transactions before returning the bin to storage.
05
Technical Specifications
|
Technical Parameter |
Standard Specification |
Extended Range / Custom Option |
|
Grid Profile Material |
Extruded Structural Aluminum (Alloy 6061-T6) |
Stainless Steel 304 (Washdown / Food Grade) |
|
Max Robot Travel Speed |
4.0 m/s (Horizontal) |
High-acceleration profile (4.5 m/s²) |
|
Max Bin Payload Capacity |
30 kg per bin |
Up to 50 kg (Heavy-load variant) |
|
Lifting Height |
Up to 12 meters (Standard grid stack) |
Up to 16 meters (High-bay integration) |
|
Battery Chemistry |
Lithium Iron Phosphate (LiFePO4) / Ultra-fast charge |
Low-Temperature Lithium-Titanate (-30°C) |
|
Positioning Accuracy |
±2 mm via optical encoders and RFID grid tags |
Redundant magnetic tracking sensors |
|
Operating Environment |
0°C to 40°C (Standard) |
-30°C to +40°C (Cold Storage) |
|
Electrical Compliance |
CE Certified / Machinery Directive Compliant |
UL/CSA Listed Control Panels & Components (Optional) |
Applications
E-Commerce Fulfillment:
Managing high-SKU inventory with rapid seasonal demand swings.
Electronics & SMT Manufacturing:
Buffering sensitive electronic components, PCBs, and production hardware with electrostatic discharge (ESD) shielding.
Cold Chain Logistics:
Automated sub-zero storage for temperature-sensitive food and dairy products.
Pharmaceutical Distribution:
Enforcing batch traceability, FIFO/FEFO rules, and secure temperature-controlled blocks.
Configurations
Single-Level Workstation Port:
Optimized for low-to-medium throughput facilities combining manual put-away and picking at one terminal.
Conveyor-Fed Multi-Port Array:
Integrates vertical lifts and automated conveyor feed lines for high-throughput centers exceeding 1,000 picks per hour.
Mezzanine Integration Setup:
Suspends the grid structure over existing operational floor spaces (such as packing zones) to exploit dead air space.
Bin Dimension Tailoring: Custom tote dividers and foam nesting engineered for fragile or irregular items.
Workstation Ergonomics: Integration of barcode scanners, scale verification modules, automatic lid openers, and tilt-tray presentation mechanisms.
Software API Bridging: Customized middleware developed for socket-level integration with enterprise ERP, WMS, or SAP platforms.
Engineering & System Design
Finite Element Analysis (FEA):
Grid structures undergo structural simulation verifying seismic load resistance, deflection thresholds under full stack loading, and fatigue endurance.
Discrete Event Simulation:
Full digital twin modeling evaluates peak-hour order profiles, fleet density, and throughput bottlenecks prior to deployment.
Electrical Architecture:
Modular bus-bar power distribution enables continuous grid charging, eliminating manual battery-swap downtime.
Manufacturing & Quality Control
CNC Profile Machining:
Aluminum grid rails are extruded and precision-milled on 5-axis CNC machining centers to maintain straightness tolerances within 0.1 mm per meter.
Robot Assembly Line:
Automated cell fabrication for chassis welding, motor calibration, and printed circuit board (PCB) functional burn-in testing.
End-of-Line Testing:
Every robot completes a 72-hour continuous endurance run on a physical test grid matrix to verify thermal stability, sensor accuracy, and wireless mesh reliability.
Related Products
Autonomous Mobile Robots (AMR):
For pallet-level transit between receiving docks and ASRS staging zones.
Conveyor Systems:
Roller and modular belt conveyors for automated tote feeding.
Pick-to-Light Systems:
Error-proofing LED hardware modules mounted at workstation ports.
FAQ
Q: How does the system handle sudden power loss or network dropouts?
A: On-board supercapacitors and backup power circuits execute a controlled stop, holding robot positions on the grid track during power cuts. Redundant hot-standby servers maintain operational state; upon network restoration, robots automatically resynchronize without losing positional tracking data.
Q: What are the exact structural flooring requirements?
A: The grid distributes dead and live loads across numerous vertical columns. Standard industrial concrete slabs rated at a minimum thickness of 150 mm with a surface flatness of ±5 mm over a 3-meter radius are required.
Q: How is throughput managed during seasonal inventory spikes?
A: Throughput is governed by the active robot-to-bin ratio and inventory ABC profiling. System software automatically repositions high-turnover inventory to upper stack layers during off-peak windows, minimizing retrieval latency when order volumes surge.
Q: Can the grid layout be expanded after initial installation?
A: Yes. The structural aluminum grid uses a bolt-together modular framework. Additional grid blocks, support columns, and robot tracks can be added during scheduled maintenance windows without disrupting existing stack contents or structural integrity.
Q: What is the typical maintenance frequency and component replacement timeframe?
A: Routine preventive maintenance is required every 2,000 operating hours for drive wheel inspection and sensor cleaning. High-wear items, such as drive belts and lifting motors, utilize quick-swap modular assemblies enabling on-site replacement by maintenance technicians in under 15 minutes.
Q: What factory testing and compliance documentation are provided?
A: All systems undergo factory acceptance testing (FAT) prior to shipment, including structural dimensional audits, robot load-stress verification, and software simulation tests.
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