As operations teams look for ways to increase efficiency, reduce labor strain, and maximize every square foot of their facility, automated storage and retrieval solutions like the Kardex Vertical Lift Module (VLM) Shuttle continue to stand out. These systems don’t just store inventory — they improve how work gets done. Below is a breakdown of the most impactful benefits VLM Shuttles deliver and how they can help justify the investment in your operation.
Reclaiming Valuable Floor Space
Traditional, static, 6-ft. tall shelving frequently wastes physical horizontal space leaving precious vertical space unused. VLMs can be configured to reach within inches of the lowest obstruction of the ceiling, allowing storage capacity for that space. VLMs can reclaim up to 85% of the floor space that is traditionally required for inventory storage. The reclaimed space can then be repurposed for revenue-producing activities, making ROI quicker and easier to justify.
Improved Ergonomics
VLMs provide a “Goods-to-Picker” solution for inventory picking and replenishing. Instead of walking through the warehouse to the inventory, the
storage tray (shelf) is automatically delivered to the operator at waist height. This eliminates walking, reaching, and bending to handle goods frequently below the waist and above the shoulders, reducing strain and minimizing injuries. Rolling ladders and step stools can also be eliminated. It’s difficult to hire and retain good employees, so it makes sense to invest in their health and safety.Strengthen Inventory Control & Security
When paired with software, VLMs track every transaction by user. You can monitor picks, puts, quantities, lots, serial numbers, and more. Sensitive trays can be restricted, and scan‑to‑confirm processes add an extra layer of accuracy and security.
Increased Speed and Accuracy with Pick-To-Light

Pick-to-Light (P2L) features visual aids that improve the speed and accuracy of picking and replenishment, including navigation bars and overhead light pointers. These tools streamline processes, increase speed, improve accuracy up to 99.9%, and quickly offset their cost.
Boost Labor Efficiency
When multiple VLMs operate in a pod, a single picker can pick from one unit while the others retrieve trays for the next picks. Combined with goods-to-picker workflows and P2L technology, this setup increases order throughput, improves ergonomics, and reduces labor requirements per shift.
Support Controlled Environments
VLMs can be configured for temperature‑controlled, humidity‑controlled, clean‑room, or nitrogen‑purged environments — ideal for sensitive or high‑value inventory.
Store a Wide Variety of Inventory
From the smallest components to bulky items, VLMs are built to store a wide variety of materials in totes, boxes, bags, or loose. Their flexible tray sizes, weight capacities, and heights let you design a system that fits your exact inventory needs and facility constraints.
Improved Visibility of Stored Items
By delivering trays directly to the operator, VLMs make it easy to see the full contents at once, reducing search time and errors.
Interface with Your ERP System
VLM software can interface with ERP systems for real‑time inventory reconciliation, eliminating redundant manual entry and improving data accuracy.
Fire Suppression Options

VLMs and automated systems can be equipped with sprinkler heads or inert-gas suppression systems, integrated with the facility’s fire alarm system, for added protection.
Fit Low-or-High Throughput Operations
Whether storing infrequently accessed maintenance parts and PM kits or supporting high velocity, fast-paced manufacturing and order-fulfillment, VLMs adapt easily to both low- and high-volume environments.
Scale as You Grow
Start with a single unit and add more as needed. VLMs are modular, making it easy to scale capacity over time.
Modify Height for Relocation
There are frequent occasions when installed VLMs need to be relocated within the facility or to a different building. Luckily, the VLM’s height can be adjusted to accommodate different ceiling clearances, providing exceptional flexibility.
Add Multiple Access Openings
VLMs can be configured with multiple access openings for picking and replenishing on the same or different levels. This supports replenishment on one side and picking on the other and even allows the VLM shuttle to function as an inventory materials elevator.
See how a VLM Shuttle fits into your automation roadmap
If you are considering how a Kardex VLM Shuttle could improve your operation, the sales and engineering teams at Abel Womack are ready to help. They’ll work with you to design the right configuration, evaluate ROI, and ensure the system aligns with your workflow and growth plans.
You may be interested in the Kardex VLM Shuttle Fact Sheet.

About the Author: Dave Wilber
Dave Wilber is an Account Manager with more than 30 years of experience in the material handling business. He is focused on helping clients in central and western MA, VT, northern CT and parts of upstate NY with their storage needs to improve their efficiency, productivity and profitability.
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