Order picking station design

In high-volume fulfillment centers and electronics manufacturing, the bottleneck is rarely the machine—it is the human interface. Traditional shelving forces operators to spend 70% of their shift walking and only 30% picking. By transitioning to a Goods-to-Person (GTP) logic using high-speed Miniload AS/RS, we invert this ratio. We bring the SKU to the operator, designing the picking station as a high-performance cockpit rather than a passive desk.

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The Engineering of “Goods-to-Person”: Eliminating the Travel Time

The fundamental flaw in manual picking stations is the reliance on human traversal. In a standard warehouse handling split-case orders or SMT reel picking, an operator walks 10 to 15 kilometers per shift. This physical exertion leads to fatigue, error rates increasing after lunch breaks, and a hard cap on throughput (typically 40-60 lines per hour).

The starack-Mini system addresses this by mechanizing the retrieval process. Utilizing aluminum lightweight masts and high-speed servo drives, the system achieves accelerations of up to 2m/s² and running speeds of 360m/min. The logic is simple: the human stays stationary in an ergonomically optimized zone, while the machine handles the long-distance travel.

Inside the aisle: The Miniload AS/RS utilizes high acceleration to feed the picking station continuously, ensuring the operator never waits for product.

Ergonomics as a Throughput Multiplier

Designing an efficient order picking station is not just about routing conveyor belts; it is about the geometry of human movement. We apply the “Golden Zone” principle to our station designs. The Miniload AS/RS delivers totes to a height between the operator’s shoulders and waist (typically 850mm – 1100mm).

By tilting the source tote at a 30-degree angle towards the operator, we reduce wrist strain and eliminate the need for deep bending or reaching. This ergonomic focus translates directly into commercial value: reduced Repetitive Strain Injury (RSI) claims and a sustainable pick rate increase to 300-500 lines per hour per station.

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Accuracy Protocols: Pick-to-Light and Weigh Scales

Speed is irrelevant if the wrong item is shipped. In sectors like electronics manufacturing (PCB assembly) or pharmaceutical distribution, a picking error can stop a production line or cause a GSP compliance violation.

Our workstation design integrates physical and digital validation layers:

Visual Guidance: Pick-to-Light (PTL) systems illuminate the exact compartment in a subdivided tote, removing the cognitive load of searching for a specific SKU.
Weight Validation: Integrated high-precision scales beneath the order tote detect weight anomalies instantly. If the picked item’s weight deviates from the master data, the system locks the tote and alerts the WMS immediately.
1:N Picking: One source tote can serve multiple order totes simultaneously, allowing for efficient batch picking of fast-moving consumer goods (FMCG).

A typical split-case picking environment where clear aisle identification and Goods-to-Person logic streamline the handling of thousands of small SKUs.

The Backend: Integrating High-Density Storage

The picking station is only as effective as the storage engine feeding it. The starack-Mini system is designed for high-density buffering of totes (20kg – 50kg). In facilities with limited floor space, we utilize the vertical axis, stacking totes up to 25 meters high.

This density is critical for e-commerce and spare parts centers where SKU proliferation is a constant challenge. By replacing static shelving with an Automatische opslag - en opzoeksystemen, you not only gain picking efficiency but also reclaim up to 60% of your warehouse footprint.

Parallel Miniload stacker cranes working in concert to ensure a continuous flow of totes to the picking stations, managed by intelligent WCS algorithms.

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Question	Answer
What is the typical pick rate of a Goods-to-Person station?	Depending on the order profile and SKU affinity, a starack-Mini station typically achieves between 300 to 600 order lines per hour, compared to 50-80 lines in manual shelving scenarios.
Can the station handle different tote sizes?	Yes, the system is flexible. We can design the telescopic forks and the picking station conveyor to handle variable tote dimensions (e.g., 600x400mm and 400x300mm) or mix cartons and totes within the same system.
How does the system prevent picking errors?	We integrate Pick-to-Light (PTL) indicators that show exactly which compartment to pick from and how many units. Additionally, inline weigh scales can verify the order tote weight before it leaves the station, catching errors instantly.
Is this suitable for fragile electronics or SMT reels?	Absolutely. The servo drives utilize S-Curve acceleration profiles to ensure smooth starting and stopping. We also use ESD (Electrostatic Discharge) compatible totes and flooring for electronic component environments.
Does the station support batch picking?	Yes. The “Put-to-Light” logic at the station allows an operator to pick one SKU from a source tote and distribute it into multiple order totes simultaneously, significantly optimizing the workflow for popular items.