Sheet metal fabrication encompasses more than laser cutting alone. Punching, shearing, bending, rolling, and welding operations all require organized access to raw sheet stock, yet many fabrication facilities maintain separate inventory systems for each department, leading to duplication, misallocation, and inefficiency. Herochu has developed its Automatic Storage Rack for Sheet Metal Fabrication as a unified solution that serves the entire fabrication workflow, from initial blanking through final forming operations.

The Herochu automatic storage rack builds upon single-tower architecture but extends its functionality through enhanced configurability and peripheral integration options. Model variants include the 3015, 4015, 4020, 6015, 6020, and 6025 specifications, each designating the maximum sheet dimensions in millimeters—3000x1500mm, 4000x1500mm, 4000x2000mm, 6000x1500mm, 6000x2000mm, and 6000x2500mm respectively. This range covers the vast majority of sheet metal fabrication formats, from standard 5×10 foot plates to oversized blanks for heavy equipment manufacturing.

Number of floors within the automatic storage rack is fully customizable, reflecting the reality that different fabrication shops have different ceiling heights and different inventory turnover requirements. A facility with 8-meter clear height might configure nine or ten layers, while a facility with limited vertical space might choose four or five layers with increased clear spacing between shelves. Herochu engineers work with each customer to determine the optimal layer count based on three factors: available building height, typical sheet thickness, and required inventory capacity. The maximum layer count of ten in the HC-A6020-105 model demonstrates the system’s ability to scale vertically when conditions permit.

Load capacity per layer defaults to either 3 metric tons or 5 metric tons depending on the model selection. The 3T configuration suits fabrication shops processing primarily light-gauge materials such as automotive body panels, HVAC ductwork, and appliance components. The 5T configuration serves heavy fabrication applications including shipyard plates, bridge girder components, and mining equipment parts. Importantly, the load rating applies per layer, meaning a five-layer 5T rack can hold up to 25 metric tons of sheet metal distributed across its shelves—a density that would require hundreds of square meters of floor space in a conventional flat storage arrangement.

Movement within the automatic storage rack relies on a linear guide rail and chain drive combination. Linear guide rails provide the precise tracking necessary for consistent sheet alignment, while chain drive delivers the pulling force required for heavy loads. This combination is particularly well-suited to sheet metal fabrication environments, where dust, metal fines, and vibration are constant factors. Chains tolerate contamination better than ball screws or belt drives, and linear guides with protective covers resist ingress of abrasive particles that would accelerate wear in other bearing systems.

Transmission mode is chain drive throughout the Herochu product line, a deliberate engineering choice based on reliability and serviceability. Chain drives provide positive engagement without slip, maintain tension over long service intervals, and allow straightforward replacement when wear eventually occurs. Vertical lifting speed is standardized at 9 meters per minute, while inlet and outlet speed operates at 12 meters per minute. These speeds represent a slight increase over the general-purpose configurations, reflecting the automatic storage rack’s optimization for fabrication environments where throughput is prioritized.

The plate support system offers optional selection, allowing fabrication shops to match the storage surface to their material characteristics. Roller supports suit heavy plates that can be moved without surface damage concerns. Brush supports protect pre-coated or polished sheets from scratches during insertion and extraction. Felt-lined supports provide the highest level of surface protection for decorative finishes, etched materials, or painted sheets. Herochu also offers a hybrid configuration with mixed support types within the same rack—roller supports on lower layers for heavy mill plate, brush supports on middle layers for standard cold-rolled sheet, and felt supports on upper layers for finished or coated materials awaiting final assembly.

Number of storage units is fully customizable, which translates to the total number of discrete sheet stacks the rack can accommodate. A fabrication shop that processes many different material grades, thicknesses, and surface finishes will benefit from a higher unit count, even if each unit holds fewer individual sheets. Conversely, a shop that runs long production campaigns of a single material specification might prefer fewer units with higher per-unit capacity. The Herochu engineering team conducts a material usage analysis before finalizing the unit configuration, ensuring the rack’s organization matches the shop’s actual inventory profile.

Integration capabilities distinguish the Herochu automatic storage rack from simpler vertical carousels. The system communicates directly with ERP and WMS platforms, providing real-time inventory visibility across the fabrication facility. When a shearing operation consumes twenty sheets of 10-gauge mild steel, the rack’s control system updates the ERP record automatically. When the bending department requires fifteen sheets of 16-gauge stainless steel, the rack stages those sheets at the retrieval position before the operator even walks to the storage area. This bidirectional data flow eliminates manual inventory tracking and the errors that accompany it.

For fabrication facilities that operate multiple processing departments, the Herochu automatic storage rack can be equipped with multiple access points. One access point serves the laser cutting department, another serves the punching department, and a third serves the shearing line. Each department retrieves and returns sheets independently, yet the rack maintains a single, consistent inventory database. This multi-access capability prevents the common problem of departments maintaining hidden safety stock that inflates total inventory levels and ties up working capital.

Peripheral devices that work with the Herochu automatic storage rack include manipulators, overhead cranes, stacker cranes, forklifts, and automated guided vehicles. The rack presents sheets at a standardized pick height, allowing any of these devices to engage the material without additional repositioning. For facilities transitioning from manual to automated material handling, this peripheral compatibility means the rack can be implemented immediately with existing forklifts and cranes, with AGVs added later as the automation roadmap progresses.

Safety and ergonomic benefits accompany the productivity gains. Sheet metal is heavy, awkward, and sharp—three characteristics that make manual handling a leading cause of workplace injuries. The Herochu automatic storage rack eliminates manual lifting, carrying, and stacking of sheet materials. Operators interact with the system through a control panel or mobile device, selecting required materials without physical contact. The rack delivers sheets to a safe retrieval zone where mechanical aids or automated devices take over. For fabrication shops focused on improving safety metrics and reducing workers’ compensation claims, the automatic storage rack delivers measurable returns beyond operational efficiency.

Heavy industry demands heavy-duty solutions. The storage and retrieval of steel plates weighing several tons, measuring up to 6 meters in length, and varying widely in thickness and metallurgical properties cannot be adequately served by generic warehouse equipment. What is required is a purpose-built industrial vertical storage system for steel plates and sheet metal—a solution engineered from the ground up to withstand punishing loads, facilitate rapid access, and integrate seamlessly into a rough, demanding factory environment. Herochu delivers exactly this with its range of intelligent vertical warehouses and telescopic cantilever racks.

The definition of an industrial vertical storage system in this context includes two primary configurations from Herochu, each suited to different operational needs. The first is the automated vertical tower system (models HC-S3015-63 through HC-S6020-105), which uses vertically stacked, horizontally extending trays. This is ideal for facilities processing standard-sized sheets (3m, 4m, 6m lengths) with high throughput and a need for real-time inventory tracking. The second is the roll-out telescopic cantilever rack system, designed for long materials like bar stock, tubes, pipes, and mandrels. Both are heavy-duty, but the telescopic cantilever is specifically optimized for accessing individual long items from a dense storage block without moving other materials.

Focusing first on the vertical tower system, the engineering for heavy plates is evident in every specification. Consider the Herochu HC-S6020-105. This unit handles sheet dimensions of 6000x2000mm—large enough for shipbuilding panels or structural steel components. It supports a maximum load of 5000kg per level across 10 layers, for a total potential stored weight of 50,000kg within a single tower. The movement method—linear guide rail plus chain drive—is chosen for this application because chains do not slip under heavy load and linear rails provide rigid, low-friction guidance. The transfer speed of 5-15 m/min ensures that even a 5-ton sheet can be moved smoothly and stopped precisely (±2mm repeatability) without dangerous swinging or inertia damage to the material or mechanism.

The telescopic cantilever shelves offer a different type of heavy-duty solution, optimized for length rather than sheet area. The Herochu models HC-S2513-63, HC-S3013-83, and HC-S3015-83 are engineered for bar stock, angle iron, pipe, and rollers. Key features include the ability to extend arms 100% of the tray depth, providing complete access to the stored material. This is critical for long items; a crane or operator can pick the exact tube needed from the back of the rack without unloading the front items. The total load per unit ranges from 18T to 24T, distributed across the structure. The chain drive transmission ensures that even the heaviest long bundle can be rolled out smoothly. The system is available in single or double units, and can be electrically driven for automated operation, moving from a manual-access solution to a semi-automated storage and retrieval system for long goods.

A primary advantage of the Herochu industrial vertical storage system is its compatibility with existing overhead cranes and forklifts. A common failure of many automated storage solutions is that they require a specific, proprietary load-handling device. Herochu takes the opposite approach. The system is designed with generous clear space per level (customizable, with a standard of 350mm in many models) specifically to accommodate the hooks, slings, or forks of standard industrial lifting equipment. This design choice significantly reduces the total cost of ownership and integration complexity. You do not need to buy a new crane; you simply use your existing one more effectively because you are not wasting time searching for plates on the floor or in a disorganized pile.

Inventory management in this heavy environment transitions from chaotic to orderly. With floor storage, tracking which specific plate or bar of a certain grade is where is nearly impossible without constant manual effort and tagging. The Herochu system, even in its telescopic cantilever version (which can be managed via a basic PLC interface or integrated into the full WMS), enforces organization by category and size. Each layer or cantilever position can be assigned to a specific material. The automated vertical towers take this further with real-time digital inventory on the PLC touchscreen, tracking dimensions, weight, and quantity. This eliminates the “lost” inventory of expensive steel plates buried under others, reducing the need to reorder material that is actually in stock but inaccessible.

Safety for personnel and protection of expensive raw materials are central to the industrial design. The reinforced steel structure of both the tower trays and the telescopic cantilevers is certified for the rated loads, ensuring no creep or deformation over years of use. The availability of options like trays for leftovers encourages good housekeeping, ensuring that small, valuable remnants are not lost or damaged. The controlled, slow movement of the trays (5-15 m/min) prevents accidents caused by speeding forklifts in narrow aisles, a common hazard in traditional warehouses. By centralizing storage and automating retrieval, the system also reduces the number of forklift or crane trips required to find and fetch material, lowering the overall risk of impact accidents in the workspace.

In summary, for any industrial operation dealing with the logistical nightmare of heavy steel plates and long metal stock, the Herochu industrial vertical storage system for steel plates and sheet metal provides a robust, scalable, and intelligent answer. Whether the need is for high-density automated vertical towers for sheet processing or telescopic cantilever racks for long bar and tube storage, Herochu offers engineered solutions that prioritize load capacity, operational efficiency, and seamless integration with existing heavy lifting equipment. The result is a safer, more organized, and significantly more productive material storage and retrieval operation capable of supporting the most demanding industrial production schedules.

The modern sheet metal fabrication facility requires more than just physical storage space; it demands an organized, data-driven, and responsive material logistics system. Traditional warehouses, relying on fixed shelving and manual forklift operations, struggle to provide the real-time inventory accuracy and rapid retrieval speeds needed to support CNC punch presses, laser cutters, and press brakes. The Herochu automated vertical Sheet Metal storage warehouse constitutes a paradigm shift, turning the storage function into an active, intelligent participant in the production workflow, guided by a fully integrated Warehouse Management System (WMS).

What distinguishes an automated vertical Sheet Metal storage warehouse from a simple vertical rack is the degree of control, data integration, and operational autonomy. The Herochu system is not merely a stack of trays; it is a closed-loop material management ecosystem. The core is a purpose-built WMS that runs on the PLC touchscreen hardware. This WMS manages complex tasks: dynamic slotting (assigning new materials to optimal storage locations), inventory tracking by lot and grade, usage frequency analysis, and automated cycle counting. For multi-tower configurations like the HC-S4015-2-83 (dual-tower design), the WMS coordinates movement between towers, balancing loads and minimizing travel distances for the retrieval mechanism.

The operational process within this automated warehouse is designed for efficiency and error elimination. When a delivery of steel plates arrives, an operator uses the Herochu WMS interface to log the material. The system might present recommendations: “Store 3-ton, 4000x1500mm carbon steel plates in Tower 1, Levels 4-6 based on current weight distribution.” The operator confirms, and the system directs the storage. This process eliminates guesswork and prevents misplacement. When a production order requires a specific 5000kg plate, the operator simply inputs the job number or material ID. The WMS checks the inventory, identifies the precise location (e.g., Tower 2, Level 8), and orchestrates the automated retrieval sequence without further human intervention.

The technical parameters of the Herochu warehouse directly support heavy industrial use. The transfer speed of 5-15 m/min is a deliberate balance between speed and stability for multi-ton loads. The repeatability of ±2 mm is critical for automated or semi-automated material hand-off to downstream equipment. The per-level loads of up to 5000 kg (as in the HC-S4020-105 and HC-S6020-105 models) ensure the system can handle the thickest armor plate or die steel. The use of a chain drive transmission and linear guide rails provides durability and smooth motion under these extreme loads, unlike belt-driven systems that can stretch or slip over time with heavy-duty cycles.

Integration with external systems is where the Herochu automated warehouse proves its strategic value. The system features a bi-directional interface with your factory’s ERP. This is not a simple data export; it is a live connection. The warehouse’s WMS sends real-time inventory updates—every storage and retrieval event is logged. In return, the ERP can send production schedules to the Herochu WMS, enabling a “lights-out” material staging function. For example, the ERP knows that Job #452 will run on Laser Cutter 3 at 2:00 PM. It can instruct the Herochu WMS to retrieve the required plate for that job at 1:45 PM and have it waiting on the unloading station. This level of synchronization reduces machine idle time caused by material delays.

The warehouse is also designed for compatibility with your existing material handling fleet (forklifts and overhead cranes) as well as future automation. The clear space per level (customizable from 240mm) provides ample room for crane hooks to engage the tray. However, the system can also be equipped with interface options for automated guided vehicles (AGVs). An AGV could approach the unloading station, receive a signal from the Herochu PLC that the material is ready, pick it up, and transport it directly to a CNC cutting machine—completing a fully automated material flow from storage to processing.

Safety and reliability are embedded at the mechanical and control levels. The reinforced steel structure of each storage tray is designed for its specific max load without deformation, even after thousands of cycles. Photoelectric interlocks prevent the vertical lift or horizontal tray from moving if an operator or obstruction is detected in the path. The PLC control includes comprehensive diagnostics, immediately flagging issues such as a motor overcurrent or a sensor failure, and will safely halt operations to prevent damage. This robust construction ensures high uptime, which is essential for any warehouse intended to be the central material hub for a production facility.

In conclusion, building or upgrading to an automated vertical Sheet Metal storage warehouse from Herochu is an investment in operational intelligence, not just storage capacity. By combining heavy-duty mechanics with a sophisticated WMS and seamless ERP integration, it solves the chronic problems of disorganized storage, slow retrieval, and inaccurate inventory. The result is a material logistics backbone that actively supports lean manufacturing, just-in-time delivery, and high overall equipment effectiveness (OEE) for your processing machinery.

Engineering Strength and Structural Integrity

Versatile Loading Mechanisms

Optimized Inventory Management

No two metal fabrication shops are identical. Plate sizes vary from small blanks to 6-meter-long ship plates. Weights range from thin aluminum sheets under 100 kg to armor-grade steel plates exceeding 5 tons. Ceiling heights differ, existing material handling equipment differs, and production line layouts differ. Herochu’s Customizable Automatic Plate Storage Warehouse Solution addresses this diversity through modular design. Every parameter – number of floors, load per layer, plate dimensions, movement speeds, and control logic – can be tailored to the customer’s exact specifications.

Modular Architecture for Unlimited Configurations

Herochu starts with a standard building block: a vertical rack column with linear guide rails and chain drive. Each column supports one storage tower. Multiple towers can be placed side by side and served by a single extractor on a common horizontal rail. Alternatively, each tower can have its own dedicated extractor for higher throughput.

The customization parameters include:

• Plate dimensions: Standard widths from 1,500 mm to 2,500 mm; lengths from 3,000 mm to 6,500 mm. Custom sizes up to 8,000 mm x 3,000 mm available on request.

• Number of floors: 8 to 13 as standard; 4 to 16 as custom. The exact count depends on building clear height and plate thickness profile.

• Load per layer: 3T or 5T standard. For heavy plate applications, Herochu offers reinforced racks rated for 8T, 10T, or 12T per layer.

• Plate support options: Fixed crossbeams, roller beds for easy sliding, V-shaped cradles for round or curved materials, or magnetic chucks for ferrous sheets.

• Movement speeds: Standard vertical lift is 9 m/min. Optionally upgrade to 15 m/min or 20 m/min for faster cycle times. Horizontal speeds can reach 40 m/min with servo motor upgrade.

Control System Customization

Herochu’s PLC base is Siemens S7-1200 or S7-1500, but customers can specify Allen‑Bradley, Mitsubishi, or Omron for plant standardization. The touch screen interface can be customized with the customer’s logo, preferred color scheme, and local language. For advanced users, Herochu can supply a PC-based control system with SQL database integration.

Connectivity options include:

• Ethernet/IP, Profinet, or Modbus TCP for ERP/MES

• OPC UA server for IIoT data collection

• Barcode or RFID reader integration at inlet/outlet

• Remote monitoring dashboard via web browser

Real-World Custom Examples

Example A – Automotive Tier 1 Supplier
Requirement: Store 4,000 mm x 2,000 mm blanks, 2T each, 40 different material grades. Ceiling height only 6 meters.
Herochu solution: 8-floor tower with 3T per layer, roller bed supports for easy blank transfer to destacker. Added RFID tags on each blank for grade tracking. Cycle time: 55 seconds per blank.

Example B – Heavy Plate Fabricator
Requirement: Store 6,000 mm x 2,500 mm plates up to 8T each. Limited floor space. Overhead crane only for loading.
Herochu solution: Single tower with 6 floors, reinforced columns, 10T per layer rating. V-shaped supports to prevent plate warpage. Crane loading mode with laser positioning assist. Vertical lift speed reduced to 6 m/min for safety with heavy loads.

Example C – High-Mix Low-Volume Job Shop
Requirement: Store 300 different plate sizes from 500 mm x 500 mm up to 3,000 mm x 1,500 mm. Need random access.
Herochu solution: Two towers side by side with shared extractor. 12 floors in each tower. Adjustable plate supports that accommodate variable lengths. Touch screen includes photo search – operator selects a thumbnail image of the plate to retrieve.

Engineering and Installation Process

Herochu follows a five-step customization process:

1. Site audit: Measure building dimensions, ceiling height, existing equipment, and power supply.

2. Plate portfolio analysis: Customer provides list of all plate sizes, weights, and monthly throughput volumes.

3. Design proposal: Herochu delivers 3D CAD drawings showing rack layout, extractor travel paths, and safety zones.

4. Factory acceptance test: Custom system is assembled at Herochu’s facility and run with dummy plates matching customer’s weight and size profile.

5. On-site installation and commissioning: Typical timeline is 10–15 working days for a single tower, 20–25 days for multi-tower systems.

Safety and Reliability in Custom Designs

Every customizable solution includes standard safety features: overload protection, limit switches, emergency stops, and light curtains. For custom high-load applications (above 5T per layer), Herochu adds structural finite element analysis reports, seismic bracing, and redundant chain drives. The chain drive transmission is derated to 60% of its maximum capacity to ensure long life under custom heavy loads.

Investment and ROI Considerations

A customized Herochu automatic plate storage warehouse typically costs 20–30% more than a standard tower, but the productivity gains are proportionally higher. Customers report:

• 60–80% floor space reduction

• 70–90% retrieval time reduction

• Zero plate damage from stacking

• Inventory accuracy above 99%

Payback periods range from 12 to 30 months depending on labor costs and material value. Herochu provides a detailed ROI calculator as part of the design proposal, factoring in local labor rates, floor space rental or depreciation, and scrap reduction.

Why Choose Herochu for Customization

Herochu maintains an in-house engineering team dedicated to custom projects. Unlike competitors who force customers into rigid product families, Herochu designs each system from the ground up. The company holds ISO 9001 certification and uses only certified steel from mills with material traceability. Every weld on a custom rack is inspected by magnetic particle or dye penetrant testing. For global customers, Herochu ships knockdown kits for local assembly or provides full installation crews. The customizable automatic plate storage warehouse solution is the answer when standard products fall short. Send Herochu your plate storage challenge – no matter how unusual – and receive a design within two weeks.

Fully automatic sheet material storage is no longer a luxury reserved for automotive giants. Herochu delivers a complete Fully Automatic Sheet Material Storage solution that operates without constant human intervention. From the moment a sheet enters the system until it leaves for production, every action – weight detection, location assignment, retrieval, and dispatch – happens automatically. The only manual tasks are loading plates onto the inlet station and removing them at the outlet. Everything else is PLC-driven.

How Herochu Eliminates Manual Handling

Conventional sheet storage requires operators to measure each plate, record its location on paper or a spreadsheet, and later search for it when needed. This process introduces errors, delays, and physical strain. Herochu’s fully automatic system uses a combination of sensors and motor drives to remove these pain points.

1. Automatic weight detection: Load cells under the inlet station measure each plate to ±0.5% accuracy. The PLC logs weight against a unique time stamp and position number.

2. Automatic storage: The system calculates the shortest travel path to an empty slot that matches the plate’s weight class and dimensions. The extractor moves horizontally and vertically to deposit the plate. No operator controls are needed during this cycle.

3. Automatic delivery: When a production machine requests a specific plate (by job number or material code), the PLC retrieves it without manual search. The outlet station presents the plate at a comfortable working height.

Touch Screen Control for Transparency and Override

The 15-inch industrial touch screen serves as the command center. It displays a color-coded warehouse map showing occupied slots (red), empty slots (green), and plates reserved for production (yellow). Operators can perform five main functions:

• Manual storage: Override automatic assignment and choose a specific slot.

• Manual retrieval: Extract any plate by entering its slot number.

• Inventory inquiry: Search by date, weight range, or custom tag.

• Maintenance mode: Disable certain zones for repair work.

• Report generation: Export daily activity logs via USB or network.

The interface supports multiple languages and includes animated diagrams showing extractor position in real time.

Safe and Efficient Heavy Load Bearing

Herochu engineers the structure for continuous heavy duty. Each layer handles 3T or 5T uniformly distributed load. The main frame uses welded H-beam steel with anti-corrosion paint. Linear guide rails are hardened and ground, with recirculating ball bearings rated for 10,000 operating hours between replacements. The chain drive incorporates automatic oilers that lubricate during every vertical movement.

Safety devices include:

• Overload protection (PLC cuts power if motor current exceeds 110% of nominal)

• Upper and lower limit switches on vertical axis

• End-of-travel limit switches on horizontal axis

• Emergency stop buttons at inlet, outlet, and control panel

• Light curtain at operator access points

Two Loading Modes Maintain Flexibility

Even fully automatic systems need to accommodate different upstream processes. Herochu retains the dual loading mode – forklift and overhead crane – so your material handling equipment does not need to change. The inlet station design includes fork pockets for pallet jacks or forklifts, plus lifting eyes for crane slings. For thin sheets that tend to bend, optional magnetic or vacuum lift assists can be integrated.

Performance Metrics from Actual Installations

These results come from a stainless steel processor handling 300 tons per week. The company reported full ROI in 14 months, driven by labor savings and reduced material damage.

Application Scenarios for Fully Automatic Sheet Material Storage

• Laser cutting job shops: Store common sheet sizes and automatically deliver to the cutting table based on nesting software output.

• Automotive stamping plants: Buffer large coils cut into blanks and feed press lines on demand.

• Shipyard plate yards: Organize thick plates by grade and thickness, eliminating crane waiting time.

• Metal distribution centers: Provide fast retrieval for customer pickup or truck loading.

Why Herochu for Fully Automatic Operation

Herochu has deployed over 150 fully automatic sheet material storage systems across Asia, Europe, and North America. Each system undergoes a 72-hour burn-in test at the factory, simulating peak load cycles. The company supplies complete documentation including electrical schematics, PLC ladder logic printouts, and maintenance schedules. Remote support is available via VPN connection to the touch screen panel. For facilities ready to move from ground piles to fully automatic storage, Herochu provides a turnkey installation including foundation work, rack assembly, and operator training. Request a site survey to determine the optimal number of floors and load rating for your sheet material portfolio.

The transition from ground piles to automated warehousing represents a quantum leap in sheet metal logistics. Herochu offers an Advanced Automatic Plate Storage Warehouse Storage System that functions as a complete, turnkey warehouse inside your existing building. Unlike simple storage towers, this system includes multiple inlet/outlet stations, automated cranes, conveyor interfaces, and full inventory management software. It is designed for manufacturers processing hundreds of different plate sizes, grades, and thicknesses daily.

Core Architecture of a Fully Automated Warehouse

Herochu’s advanced system uses a vertical rack structure with up to 13 floors, each capable of holding 3 or 5 metric tons. A high-speed extractor – often called a stacker crane – travels along linear guide rails to access any storage position. The extractor’s fork mechanism extends left and right to retrieve plates, then retracts and delivers them to the outlet conveyor. All movements are coordinated by a Siemens PLC with a 15-inch touch screen panel.

Automatic weight detection is integrated into every storage cycle. When a plate enters the system, load cells measure its exact weight. The PLC compares this value against preset limits. If within tolerance, the system logs the weight and selects an optimal location based on weight distribution rules – heavier plates go to lower floors to maintain structural stability. This automatic balancing extends rack life and ensures safe operation.

Seamless Integration with Production Lines

The advanced system is not a standalone island. Herochu builds communication bridges to laser cutters, shears, and punching machines. When a cutting machine finishes a nest and requires the next sheet, the warehouse system receives a call signal. It automatically retrieves the specified plate, transfers it to the outlet, and notifies the loader robot or operator. This closed-loop process reduces work-in-progress inventory and eliminates the need for intermediate storage tables.

For ERP connectivity, Herochu provides a standard API that exports transaction logs – time, plate ID, weight, location, and destination. Warehouse managers can run daily reports on material consumption and remaining stock. MES integration allows production schedulers to reserve specific plates for upcoming jobs, preventing conflicts.

Two Loading Modes with Enhanced Ergonomics

Like the single tower, the advanced warehouse supports forklift and overhead crane loading. However, the advanced system can incorporate multiple loading bays. For example, a large facility might designate one bay for incoming raw plates via forklift, another for returns of partial sheets via crane, and a third for direct feeding from a slitter line. The touch screen interface lets operators select which bay is active. Safety light curtains and interlocks prevent entry during automatic crane movement.

Performance Parameters That Drive Productivity

• Vertical lifting speed: 9 m/min (loaded), 12 m/min (unloaded)

• Horizontal travel speed: up to 30 m/min depending on rack length

• Inlet/outlet cycle time: typically 60–90 seconds per plate

• Positioning accuracy: ±2 mm

• Power supply: 380V/50Hz or customized

The chain drive transmission requires minimal maintenance – only quarterly lubrication of guide rails and annual chain tension check. Herochu includes a remote diagnostic modem as standard. Service engineers can log into the PLC to troubleshoot error codes, reducing downtime.

Case Example: Heavy Equipment Manufacturer

A construction equipment fabricator stored 2,000 tons of steel plates across 5,000 square meters of floor space. After installing a Herochu Advanced Automatic Plate Storage Warehouse Storage System with 12 floors and 5-ton per layer capacity, the storage footprint dropped to 400 square meters. Retrieval errors from misidentified plates fell to zero. The system now supplies two laser cutting lines and one plasma line simultaneously, with each line receiving plates within 90 seconds of request. Labor assigned to material handling decreased from four workers per shift to one.

Customization Options

Herochu designs every advanced warehouse from scratch. Plate dimensions can be any length from 3,000 mm to 6,500 mm and width from 1,500 mm to 2,500 mm. Floor count adapts to building height – typical installations use 8 to 13 floors, but 16-floor configurations exist for high-ceiling facilities. Load per layer options include 3T, 5T, or custom up to 8T with reinforced rack columns. Plate support selections range from fixed steel beams to adjustable cradles for curved or perforated sheets.

Long-Term Value

The Herochu Advanced Automatic Plate Storage Warehouse Storage System reduces floor space requirements by 70–80% compared to ground stacking. It improves inventory accuracy to 99.5% or higher. And it removes the safety hazard of unstable plate piles – a critical benefit for workshops with frequent seismic activity or heavy forklift traffic. For operations serious about Industry 4.0, this system provides the foundation for lights-out material handling. Request a feasibility study from Herochu to calculate exact ROI for your plate inventory profile.

Vertical Lift Technology

High-Density Storage

Integration with Laser Cutting

Intelligent Control and Software

Safety and Ergonomics

Customization for Specific Needs

Conclusion

The transition to Industry 4.0 requires more than individual automated machines – it demands integrated material flow from receiving to shipping. The Fully Automatic PLC-Controlled Steel Automated Storage Warehouse from Herochu serves as the central nervous system for sheet metal inventory in a digital factory. Every movement, every inventory update, and every material transfer happens under programmable logic controller (PLC) supervision, with no manual intervention required for routine operations.

What distinguishes the Herochu Fully Automatic PLC-Controlled Steel Automated Storage Warehouse from conventional vertical lifts is its complete automation envelope. The system does not simply store sheets and wait for an operator to request them. Instead, it monitors production line consumption in real time, pre-stages the next required material, and automatically rotates inventory based on FIFO (first-in-first-out) or FEFO (first-expiry-first-out) rules. For steel service centers that process multiple customer orders simultaneously, this intelligence eliminates the common problem of pulling the wrong gauge or alloy.

The control architecture centers on a high-performance PLC that manages all axes of motion: vertical lift, horizontal carriage travel, and tray extraction. Communication protocols include Ethernet/IP, Profibus, and Modbus TCP, ensuring compatibility with any industrial network. The PLC executes safety routines continuously – if a sensor detects an obstruction, the system stops within milliseconds. This safety integrity level (SIL) meets international standards for automated warehousing equipment.

Capacity specifications demonstrate the industrial-grade engineering. Each storage layer holds up to 1800 kg, and the total system weight capacity scales linearly with the number of trays. A typical configuration of 20 trays stores 36 metric tons of steel. The vertical lifting speed of 9 m/min and horizontal transfer speed of 12 m/min provide throughput of 15 to 20 full cycles per hour, depending on travel distance. For high-volume operations, multiple towers can operate in parallel under a single supervisory controller.

The WMS integrated into the Fully Automatic PLC-Controlled Steel Automated Storage Warehouse goes beyond simple location tracking. It maintains a complete audit trail of every sheet: supplier lot number, date received, dimensional inspection results, and surface quality grade. When connected to a laboratory information system, the WMS can quarantine non-conforming material automatically. Batch traceability extends from the mill certificate to the finished part, enabling root cause analysis if a customer reports a quality issue months later.

ERP connectivity transforms inventory management from a periodic reconciliation task into a continuous process. As sheets enter the Herochu system, the WMS sends an inbound transaction to your ERP. As sheets exit to the laser cutting machine, the WMS debits inventory automatically. Cycle counting becomes obsolete because the system maintains perpetual accuracy. For publicly traded manufacturing companies, this level of inventory control improves balance sheet reliability and reduces audit fees.

The robotic handling option makes the warehouse truly unmanned. An autonomous gantry or articulated robot picks sheets from the storage tower’s exit station and delivers them to the laser cutting machine bed. The robot is aware of the cutting schedule – it knows which sheet goes to which job and in what sequence. After cutting, the robot can retrieve skeletal remnants and return them to the Herochu system for future use if the remnants meet size requirements. This closed-loop material flow is the definition of black light factory operation.

Application scenarios for the Fully Automatic PLC-Controlled Steel Automated Storage Warehouse include high-volume automotive stamping plants, appliance manufacturing lines, and metal service centers with just-in-time delivery commitments. In a stamping plant that consumes 100 tons of steel per day, the Herochu system maintains a buffer of three shifts of inventory, automatically replenishing from a central warehouse every eight hours. Production never stops because a forklift driver took a break or misread a picking list.

Energy efficiency receives careful attention in the Herochu design. The PLC implements regenerative braking on the vertical lifting motor, recovering energy during descent. Standby power consumption falls below 100 watts when the system is idle. Compared to operating a forklift that consumes diesel or battery power for every movement, the automated storage warehouse reduces energy cost per ton of material handled by approximately 70 percent.

Installation respects the realities of existing workshops. The assembly-type structure arrives in modular sections that fit through standard industrial doorways. A team of two Herochu technicians typically completes installation and commissioning within five working days. The system does not require special foundation preparation – any concrete floor rated for 5 tons per square meter or higher is sufficient. For factories that relocate or reconfigure production lines, the Herochu system can be disassembled and reassembled at the new location.

Training requirements for the Fully Automatic PLC-Controlled Steel Automated Storage Warehouse are minimal. The touchscreen HMI presents all functions through pictograms and simple language selection. Operators learn basic material receiving and removal in under two hours. Maintenance personnel receive training on PLC diagnostics and mechanical adjustments, but routine maintenance is limited to cleaning optical sensors and lubricating guide rails every 500 operating hours.

Herochu has deployed this system across multiple industries, including shipbuilding suppliers, construction equipment manufacturers, and precision sheet metal job shops. Each installation includes a first-year remote monitoring service where Herochu engineers track system performance and proactively alert the customer to any deviation from normal operation. This predictive maintenance approach prevents unplanned downtime and extends component life.

For manufacturing executives evaluating automation investments, the Fully Automatic PLC-Controlled Steel Automated Storage Warehouse represents the most direct path to unmanned material handling. It solves the last remaining manual step in many sheet metal fabrication lines – the retrieval and staging of raw material. With Herochu’s proven technology, your factory can run lights-out shifts with confidence that steel will always be ready when the laser needs it.

For sheet metal fabrication shops and high-automation manufacturing lines, the traditional method of ground stacking creates three persistent problems: excessive floor space consumption, chaotic inventory tracking, and slow material turnover. The Herochu automatic sheet metal storage system directly resolves these pain points through a vertical tower architecture combined with PLC-driven automated retrieval. Unlike flat storage where operators walk long distances to locate specific gauges or alloys, this system presents any required sheet at the unloading station within seconds.

The automatic sheet metal storage system from Herochu operates on a simple principle: store vertically, retrieve horizontally. Each tower accommodates multiple trays, with each layer rated for up to 1800 kg of material. The vertical lifting mechanism travels at 9 meters per minute, while the inlet and outlet speed reaches 12 meters per minute. For a typical workshop storing 50 tons of steel sheets across 30 different thicknesses, this translates to an average access time under two minutes – a reduction of more than 80 percent compared to forklift-dependent ground stacking.

Herochu engineered this system with a welded steel frame that bolts together in an assembly-type structure. This modularity means the height, tray dimensions, and load capacity can be customized to match your specific sheet sizes and ceiling clearance. Factories with low overhead space can deploy shorter towers, while those with high bay warehouses can stack up to ten layers or more. The pressure rating of 667 kg per square meter on each pallet ensures that even dense materials like hardened steel plates do not deform the tray structure over years of use.

Inventory management transforms from a weekly manual counting exercise into a real-time digital operation. The built-in Warehouse Management System (WMS) supports instant query by batch number, material grade, or incoming date. When a coil or sheet enters the system, scanning automatically assigns a storage location. The accuracy rate reaches 100 percent – no misplaced plates, no double-stacked pallets blocking access, and no expired material sitting forgotten in a corner. For quality-sensitive industries such as automotive stamping or aerospace component manufacturing, this traceability alone justifies the investment.

Integration with enterprise resource planning (ERP) systems comes standard. The Herochu automatic sheet metal storage system pushes inventory updates to your ERP whenever material is added or removed. Production planners can see exactly how many sheets of 2mm stainless steel remain without walking to the warehouse. The system can also connect to MES platforms, enabling automated material requisition based on production schedules. When the laser cutting machine finishes a job, the next sheet type is already staged.

Labor reduction is another measurable benefit. Traditional flat storage of multi-specification sheets often requires two or three dedicated forklift operators plus a material coordinator. The Herochu system allows a single operator to manage multiple towers simultaneously. For unmanned factory operations – often called “black light factories” – the optional robotic handling module performs autonomous loading and unloading. Sheets move from the storage tower to the laser cutting table without any human contact, eliminating both labor costs and the risk of forklift-related accidents.

The application scenario that fits this system best is the high-mix, low-volume production environment. Custom metal fabricators who process dozens of different sheet types each day suffer the most from ground stacking inefficiency. With the Herochu automatic sheet metal storage system, changeover time between materials drops to near zero. The operator selects the next sheet type from the WMS interface, and the system delivers it to the exit station while the current cutting job finishes.

Surface quality protection deserves special attention. Manual handling with lifting clamps or forklift forks inevitably leaves scratches, dents, or edge burrs on sensitive materials like brushed stainless steel, aluminum, or pre-coated sheets. Herochu’s zero-damage handling design eliminates this risk. The extractor mechanism contacts only the bottom edge of the sheet, leaving the top surface untouched. For factories that supply visible exterior panels or decorative architectural metal, this feature reduces scrap rates from surface defects by up to 90 percent.

Durability is built into every component. The guide rails undergo precision machining to achieve millimeter-accurate positioning. PLC controllers from leading industrial automation brands ensure maintenance-free operation for years under three-shift production schedules. Limit blocks and optical sensors prevent over-travel, protecting both the stored sheets and the machine structure. Herochu offers a standard warranty on structural components, with extended service contracts available for high-throughput facilities.

To quantify the return on investment: a typical metal fabrication shop with 500 square meters of storage area can reduce that footprint to 125 square meters using vertical towers. That recovered floor space often houses an additional laser cutting machine or secondary operation station. Combined with labor savings of one full-time equivalent employee per shift and reduced material damage, payback periods of 12 to 18 months are common. For new facility construction, the reduced building footprint lowers capital costs substantially.

The automatic sheet metal storage system from Herochu is not a generic warehouse rack. It is a purpose-built solution for sheet metal processing, designed from the ground up to handle the unique challenges of large-format thin sheets, heavy gauge plates, and the need for seamless integration with downstream automation. Whether you operate a job shop, a high-volume stamping plant, or a just-in-time manufacturing cell, this system delivers measurable operational improvements from day one.