
Case picking is a warehouse operation where orders are fulfilled by selecting individual cases from a storage area. This process can be time-consuming and inefficient, especially in large warehouses.
The average warehouse employee spends around 80% of their time searching for items, which can lead to delays and increased labor costs. This is because traditional warehouse systems often rely on manual searches and paper-based tracking.
To improve warehouse efficiency, consider implementing a first-in, first-out (FIFO) inventory system, which ensures that the oldest items are picked first. This helps to prevent inventory from expiring or becoming obsolete.
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Equipment and Methods
Case picking relies on efficient equipment to handle and transport cases within a warehouse or distribution center. Conveyor systems, Automated Storage and Retrieval Systems (ASRS), Pick-to-Light systems, and forklifts or reach trucks are some examples of these solutions.
Conveyor belts and roller conveyors automate the movement of cases through track-like systems, reducing manual handling and expediting the picking process. These systems are often belt-powered and maintain product orientation throughout its lifecycle in the DC.
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Automated Storage and Retrieval Systems greatly improve storage density, increase picking accuracy, and optimize space utilization. ASRS use robotic cranes that move vertically and horizontally along a rack system to pick and place cases.
Pick-to-Light systems guide employees to the correct cases using lights or displays installed at storage locations, reducing errors and improving picking accuracy. Forklifts and reach trucks are versatile and suitable for both horizontal and vertical movements, making them essential for case picking in warehouses with varying layouts.
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Equipment Used in Case Picking
Conveyor systems have been a popular choice for transporting cases within a facility, automating the movement of cases through track-like systems that are often belt-powered.
Conveyor belts and roller conveyors reduce the need for manual handling and expedites the picking process, making them a valuable asset in any warehouse or Distribution Center.
Automated Storage and Retrieval Systems (ASRS) is a sophisticated robotic Goods-to-Person system that stores and retrieves cases from high-density storage racks, greatly improving storage density and picking accuracy.
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ASRS systems, like AutoStore, feature automated robotic cranes that move vertically and horizontally along a rack system to pick and place cases, optimizing space utilization.
Pick-to-Light systems utilize lights or displays installed at storage locations to guide employees to the correct cases, reducing the margin for errors and improving picking accuracy.
Forklifts and reach trucks are versatile and suitable for both horizontal and vertical movements, making them essential for case picking in warehouses with varying layouts.
These machines can handle and transport cases, especially when the picking process involves pallets or high shelves, making them a crucial part of any warehouse or Distribution Center.
Types of Case Picking Methods
Order picking is a labor-intensive process that accounts for up to 55% of the total operating costs in a warehouse or distribution center.
There are different methods to execute this process, each tailored to specific operational needs and efficiencies.
Single Order Picking is ideal for low to moderate volumes or diverse items, but less efficient for larger orders.

Batch Picking is a more efficient method for moderate to high-volume warehouses, where one picker handles multiple orders at once.
Zone Picking is used in large, high-volume warehouses, where pickers are assigned to specific zones, and items are consolidated centrally.
Wave Picking combines batch and zone picking, where pickers work in specific zones on grouped orders.
Here are the four common types of case picking methods:
The AutoStore System
The AutoStore System is a powerful tool for efficient warehouse operations. It can be integrated with case picking strategies to maximize productivity.
High-moving stock keeping units (SKUs) are often stored as full cases outside of the AutoStore Grid. This approach allows for bulkier items to be stored externally, while smaller items are handled efficiently within the Grid.
The AutoStore System is particularly effective at handling smaller, single-item picks. This is because it's designed to optimize the picking process for individual items.
A Warehouse Management System (WMS) is crucial in managing the integration of AutoStore with case picking. It consolidates orders and ensures that items picked from the AutoStore system are combined with full cases picked from external storage.
By combining AutoStore's automated picking capabilities with traditional case picking, warehouses can achieve a high level of efficiency and flexibility.
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Consolidation Area for Case Picking

In a warehouse using case picking, a dedicated consolidation area is crucial to efficiently sort and consolidate picks into individual orders. This area should be equipped with a combination of static and automated equipment to maximize space utilization and boost productivity.
Having a well-designed consolidation area can significantly reduce labor costs and improve order fulfillment rates. By streamlining the consolidation process, you can get orders out the door faster and more efficiently.
A well-organized consolidation area should have designated zones for sorting and packing, making it easier for pickers to quickly locate the items they need. This helps to prevent delays and errors that can occur when items are misplaced or difficult to find.
Equipping your consolidation area with automated equipment, such as conveyor belts and sortation systems, can help to automate the consolidation process and reduce the need for manual labor. This can be especially beneficial in high-volume warehouses where order fulfillment rates are critical.
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Optimizing Case Picking

Optimizing case picking is crucial for improving efficiency and reducing errors in a warehouse or Distribution Center. This can be achieved by designing the warehouse layout and pick paths to minimize travel times and detours.
To optimize case picking, analyze order profiles to see which items are frequently ordered and organize them closely together. Consider using one-way aisles for ease of flow.
Properly integrating technology into the warehouse or DC is a sure-fire way to ensure that the system is properly optimized for case picking. Automation reduces the need for manual labor, enhances order accuracy, and optimizes warehouse space utilization.
Clear, consistent labeling helps pickers quickly identify the correct cases, while efficient packaging reduces the need for repacking or adjusting cases during the picking process. This speeds up operations and enhances order accuracy and customer satisfaction.
The speed of picking is generally faster with case picking, as each pick movement results in a larger quantity of items being moved. For example, if each case contains around 20 items, picking a single case effectively moves 20 units.
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Manual vs Automated Case Picking

Manual case picking is a labor-intensive process that relies on physical exertion from workers to retrieve cases, leading to fatigue and potential injuries.
Manual case picking poses several challenges for warehouse operations, including slower order processing times and higher operational costs.
Automated case picking utilizes machines or robotics to retrieve and handle cases of products, reducing the need for manual labor.
Automated case picking improves efficiency, accuracy, and speed by automating the selection, transportation, and sorting of cases.
Manual case picking increases the likelihood of picking the wrong cases or quantities, resulting in errors.
Automated case picking makes the fulfillment process faster, more accurate, and scalable for higher order volumes.
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How to Optimize Case Picking
To optimize case picking, start by analyzing order profiles to see which items are frequently ordered and store them together to minimize travel times.
Designing the warehouse layout to enable easy use is crucial for efficient case picking. Consider using one-way aisles to ease the flow of items and minimize detours.
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Properly training staff on the equipment used in the warehouse, such as conveyor systems, ASRS, and forklifts, can reduce downtime and decrease the chances of accidents.
Automation is a sure-fire way to ensure that your system is properly optimized for case picking. Technologies like ASRS, Conveyor systems, or Automated Guided Vehicles (AGVs) can streamline case picking and reduce the need for manual labor.
Familiarizing yourself with different case storage methods is essential for optimizing case picking. Some commonly implemented methods include storing high-demand items closer to picking stations and grouping them by frequency of use or picking patterns.
The speed of picking is generally faster with case picking, as each pick movement results in a larger quantity of items being moved. For example, picking a single case can move 20 units, significantly speeding up the order fulfillment process compared to picking 20 individual items.
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5 Strategies for Efficiency Improvement
Optimizing case picking is crucial for improving efficiency and reducing errors in a warehouse or Distribution Center. Some things to consider when implementing these strategies are designing the warehouse layout and pick paths, properly training your staff, integrating technology into the process, and ensuring that you utilize the proper case storage method that best suits your warehouse.

To achieve proper case picking optimization, you should make sure that your warehouse's layout will enable easy use for it. You can do this by analyzing order profiles, which is studying historical order data to see which items are frequently ordered and have them organized closely together to minimize their travel times.
Staff training is vitally important in having a DC run a case picking system effectively. When staff are familiar with the equipment utilized in your DC, such as Conveyor systems, ASRS, and forklifts, they will be able to use these technologies more efficiently, reduce downtime, and decrease the chances of accidents.
Here are five strategies to enhance case picking operations:
- Optimize warehouse layout: Design the warehouse layout to minimize travel time between picks. Place high-turnover items closer to the shipping area and organize the case picking area to allow for easy access and movement.
- Use appropriate equipment: Invest in the right material handling equipment like pallet jacks, forklifts, and conveyor systems. These tools can improve the speed and efficiency of moving cases, especially for heavier items.
- Implement warehouse management systems (WMS): A WMS can optimize picking routes, manage inventory, and provide real-time data to streamline operations.
- Employee training and ergonomics: Ensure that staff are well-trained and aware of the most efficient picking techniques. Also, focus on warehouse ergonomics to reduce fatigue and injury.
- Regularly review and adapt processes: Continuously analyze your picking process for any inefficiencies or bottlenecks. Use data from your WMS and feedback from employees to make informed adjustments.
Properly integrating technology into your warehouse or DC is a sure-fire way to ensure that your system is properly optimized for case picking. In implementing technologies like ASRS, Conveyor systems, or even Automated Guided Vehicles (AGVs), companies can streamline case picking. Automation reduces the need for manual labor, enhances order accuracy, and optimizes warehouse space utilization.
Benefits and Advantages

Case picking is a warehouse management strategy that offers numerous benefits and advantages. Companies that implement case picking have seen a general increase in efficiency and productivity.
By enabling order pickers to handle multiple units of the same product at one time, case picking streamlines the process and increases productivity. This method drastically reduces the number of trips required to fulfill an order, leading to faster order processing and shorter lead times for customers.
Case picking optimizes storage capacity by allowing cases to be neatly stacked and efficiently organized within a company's warehouse. This method is particularly beneficial for items with consistent demand, as it minimizes the need for excessive storage space and reduces warehousing costs.
Implementing case picking can also reduce the likelihood of errors, as each pick involves a pre-packaged, pre-counted case of items. This leads to improved order accuracy and reduced returns and rework.
Here are some of the key benefits of case picking:
By incorporating case picking into their warehouse operations, companies can reduce storage space per item, boost warehouse picking productivity, and reduce overall cost per unit. This leads to substantial savings per unit, making operations more cost-effective and enhancing profitability.
Implementation and Industries

Implementing case picking in a warehouse requires a dedicated area with pallets to store cases, allowing for efficient access and sorting. This setup is crucial for the speed and efficiency of the order fulfillment process, especially for larger orders or products ordered in full case quantities.
The layout and organization of the case picking area directly impact the ease of access to different products and the overall efficiency of the picking process. A well-designed area can significantly enhance the picking process.
Case picking is a common operation in various industries, including retail, food and beverage, pharmaceuticals and medical supplies, and consumer packaged goods (CPG). These industries rely on case picking to move products from warehouses to stores or directly to customers, ensuring fast and accurate handling.
Industries That Rely on Case Picking
Case picking is a vital operation in various industries, particularly those that handle large quantities of products and require frequent order fulfillment. Retailers, both brick-and-mortar and e-commerce companies, rely heavily on case picking to move products from their warehouses to stores or directly to customers.

In the retail industry, efficient case picking ensures that orders are fulfilled quickly and accurately. This is especially true for large retailers that handle a wide variety of products.
The food and beverage industry also relies on case picking to select items like canned goods, beverages, and packaged foods, ensuring that products are delivered to supermarkets or restaurants on time.
Precise case picking is crucial in the pharmaceutical industry due to the sensitive nature of the products being handled. Medications must be picked and delivered with great accuracy, and compliance with safety regulations is essential.
Here are some industries that heavily rely on case picking:
- Retail
- Food and Beverage
- Pharmaceuticals and Medical Supplies
- Consumer Packaged Goods (CPG)
- Third-Party Logistics (3PL)
These industries often deal with high-demand products, bulk orders, and limited storage space, making case picking an efficient solution for their order fulfillment needs.
Implementing Case Picking in Your Business
Implementing case picking can significantly improve warehouse efficiency, with some companies seeing a 20-30% increase in productivity.
To get started, you'll need to assess your current warehouse layout and operations. This will help you identify areas where case picking can be implemented effectively.

Case picking requires a high degree of accuracy, with errors costing up to $100 per pick in some industries. Investing in automation and training can help mitigate these costs.
In high-volume warehouses, case picking can help reduce labor costs by up to 25% by streamlining picking processes. This can be especially beneficial for companies with large product lines.
Implementing case picking requires careful planning, including determining the right picking strategy and allocating resources accordingly.
Case Picking Systems
Case picking systems are designed to efficiently pick and pack cases of products in warehouses.
Manual case picking is a traditional method that relies on human workers to select and pack cases, but it can be time-consuming and labor-intensive.
Automated case picking, on the other hand, uses robotics and automation to speed up the process.
Autonomous mobile robots (AMRs) and automated guided vehicles (AGVs) can transport products within a warehouse, reducing the need for human workers to push carts or drive forklifts.
Robotic arms have also been developed to handle the actual picking process, picking cases with increasing accuracy and speed thanks to advances in machine learning and artificial intelligence.
Storage and Packaging

In case picking operations, storage and packaging play a crucial role in ensuring efficiency and accuracy.
Clear, consistent labeling is essential, as it helps pickers quickly identify the correct cases.
Proper packaging reduces the need for repacking or adjusting cases during the picking process, which can slow down operations.
Efficient packaging can speed up operations and enhance order accuracy and customer satisfaction.
Sources
- https://www.elementlogic.net/us/blogs/what-is-case-picking-and-how-do-you-optimize-it/
- https://www.autostoresystem.com/insights/5-key-strategies-for-efficient-case-picking
- https://www.exotec.com/insights/what-is-case-picking/
- https://modula.us/blog/case-picking/
- https://www.vecnarobotics.com/resources/case-picking/
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