A heavy duty plate rack for steel and aluminum sheets is an industrial storage system rated for dense, mixed-material loads—typically 3,000 kg per drawer and up to 18,000 kg per rack—with a welded steel structure engineered to resist deformation under repeated heavy retrieval. Herochu builds these racks as custom industrial storage systems, combining pull-out drawer access with crane-compatible loading and a 5-year warranty on qualifying units.
Steel and aluminum rarely arrive in neatly separated batches. A job shop might receive a 6,000 × 2,000 mm mild steel plate on Monday, a stack of 2,500 × 1,250 mm aluminum sheets on Tuesday, and a set of 10 mm stainless blanks on Wednesday. A storage system that only handles one material format creates a bottleneck at the receiving door. The heavy duty plate rack solves that problem by treating drawer capacity and drawer dimensions as independent variables.
The Structural Case: Welded Steel vs. Bolted Assembly
The load path in a multi-tier drawer rack runs from the drawer bed, through the roller track, into the frame uprights, and down to the floor. Every connection in that path experiences cyclic loading as drawers extend and retract. Herochu uses welded construction at the primary load-bearing joints rather than relying on bolts that can loosen under vibration. The frame is built from carbon steel with a zinc coating, then finished with a double anti-corrosion coating that resists oil and moisture.
This matters most at the drawer-to-frame interface. A 3,000 kg drawer extended to full reach creates a substantial overturning moment on the frame. The limit device and the frame’s welded cross-bracing work together to resist that moment without permanent deformation. Herochu specifies that the drawer structure is designed for “easy pull-out without effort” even after heavy load, using a roller track system under the drawer board that distributes the load across multiple contact points.
Crane Compatibility and Ground-Level Access in One Rack
A frequent objection to drawer systems is that they cannot handle the heaviest plates without overhead lifting. Herochu’s design separates loading from retrieval. A crane can place a 3,000 kg steel plate onto a fully extended drawer at ground level, and the same drawer can then be pushed back into the rack. For daily retrieval, the operator pulls the drawer out and picks the required sheet—no crane required. This dual-mode access is useful in shops where crane availability is limited to scheduled windows.
The crane compatibility also extends the rack’s service life in a different way. Because heavy plates are loaded at ground level rather than lifted to an elevated cantilever arm, the risk of a dropped plate damaging the rack structure or the floor is reduced. The drawer acts as a controlled loading platform.
Custom Industrial Storage: Layers, Size, and Load
Herochu offers customizable layers, size, and load capacity as standard order parameters. A rack can be configured with three heavy drawers for thick steel plate, four medium drawers for aluminum, and two shallow drawers for offcuts—all within the same frame footprint. Storage layers are commonly specified at six or fewer, but the frame architecture can be extended for taller warehouse bays when the building allows.
For plants integrating storage with laser cutting or automated processing, Herochu’s drawer racks can be specified with interfaces that support later connection to material handling equipment. While the manual drawer rack is a standalone storage unit, the same structural platform is used in Herochu’s automated storage and retrieval configurations, which means a manual rack purchased today does not become a dead-end investment if the plant automates part of its material flow later.
Frequently Asked Questions
Q: Can a heavy duty plate rack hold both steel and aluminum without damaging the aluminum?
A: Yes. Herochu’s drawer beds use glide strips and a load-spreading frame that isolate the sheet from bare steel contact. For scratch-sensitive aluminum, specify a non-marring drawer bed finish at the time of order.
Q: What is the total load capacity of a Herochu heavy duty plate rack?
A: The HC-B3015 series is rated for 6,000–18,000 kg total payload, with 3,000 kg per drawer as a standard reference point. Custom configurations can be rated higher or lower depending on the frame and drawer specification.
Q: How does the rack prevent deformation under repeated 3-tonne drawer cycles?
A: Welded load-bearing joints, a roller track that distributes load across the drawer bed, and a mechanical limit device that prevents over-extension beyond the designed moment arm. The frame is not dependent on bolt tension for structural integrity.
Q: Is a crane required for loading?
A: A crane is recommended for loading plates above roughly 1,000 kg, but retrieval is manual. The drawer extends to ground level so the operator can access the sheet without overhead lifting.
Q: What warranty applies to the heavy duty plate rack?
A: Herochu provides a 5-year warranty on qualifying configurations, along with free spare parts and return-and-replacement service.
