In heavy fabrication, like wind tower or pressure vessel manufacturing, your production schedule is everything. But what happens when that schedule calls for a specific 30mm thick Q345 steel plate that arrived three weeks ago and is now buried under 20 tons of other material?

Your entire production line—from the cutting table to the welding station—grinds to a halt. You’re paying skilled operators and an expensive crane to “go hunting” for material. This “floor stacking”  method turns your raw material inventory into a disorganized “black hole,” making true traceability and lean manufacturing impossible.

The Real Cost of a “Lost” Steel Plate

In large-scale manufacturing, material traceability isn’t a “nice to have”; it’s critical. When you can’t find the exact plate you need, when you need it, the consequences ripple across the entire operation.

The “LIFO” Inventory Problem

Floor stacking is a natural “Last-In, First-Out” (LIFO) system. The newest material gets stacked on top, pushing the older, specific-job-allocated material to the bottom. This makes proper stock rotation and material-specific job allocation a logistical nightmare. You end up re-ordering material you already have but can’t find, bloating your inventory costs.

The 20-Minute Bottleneck

The “20-minute shuffle” to find one plate isn’t just a 20-minute delay. It’s a 20-minute *production bottleneck*. It ties up your overhead crane (which should be feeding a machine) and your operator (who should be managing production). Your expensive laser or plasma cutting table sits idle, waiting for the one asset that is supposed to be ready.

From Inventory Chaos to a Visual, Traceable System

The solution is to give every single plate a dedicated, 100% accessible “home.” This moves your inventory from a chaotic pile to an organized, visual library.

100% Selectivity = 100% Traceability

Een Concertina Storage Rack uses mobile drawers to condense your inventory. Each 3,000 kg capacity drawer holds specific plates. When you need that Q345 plate, you roll out its specific drawer, giving your crane immediate, direct access. There is no shuffling. There is no digging. You have achieved 100% selectivity. This means your inventory records are accurate, and your team can retrieve the *exact* material for the *exact* job, every single time.

Reclaim 70% of Your Floor for Value-Added Work

This system eliminates all the wasted, fixed aisles. By condensing your inventory, you can reclaim up to 70% of your current storage footprint. This is invaluable space. It’s room for a new welding bay, a larger assembly area, or a new cutting machine—space that generates profit, rather than just costing you money.

The True Value: A Predictable Production Schedule

When your material storage is organized and 100% accessible, your entire operation becomes more predictable and profitable.

  • Eliminate Production Bottlenecks: Cut material retrieval from 20 minutes to 2 minutes and keep your expensive machines running.
  • Achieve Accurate Traceability: Know exactly what material you have and where it is. Enable true Just-in-Time (JIT) material flow.
  • Expand Production, Not Your Building: Use the massive amount of reclaimed floor space for new, profit-generating equipment.

Stop letting your inventory control your schedule. It’s time to take control of your materials and your production.

Veelgestelde vragen

Q1: Can this system really handle our 3,000 kg heavy plates?

Yes. Each drawer is engineered with a standard capacity of 3,000 kg (6,600 lbs) and can be customized for even heavier loads. The system is built for heavy industrial use.

Q2: How does this help with traceability for specific jobs?

It allows you to dedicate specific drawers to specific jobs or material types (e.g., “Job 105 – Q345 Plates”). This makes inventory visual and 100% selective, so you can retrieve the exact material required without shuffling.

Q3: Is it difficult for one person to move a 3-ton drawer?

No. The manual system uses a geared hand-crank that provides significant mechanical advantage, allowing a single operator to move a fully loaded drawer with minimal effort.

Q4: How does this system integrate with our existing overhead crane?

It’s designed for it. When you open an aisle, it’s wide and completely open at the top. This gives your crane operator a perfect, unobstructed vertical lift path, which is much safer and faster than navigating a cluttered floor.

Q5: What is the main benefit over just using more A-frames?

Space and selectivity. A-frames are “Last-In, First-Out” and require many fixed, wasted aisles. This mobile system condenses all that space and provides 100% direct access to *every* sheet, which A-frames cannot do.

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