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An automated storage and retrieval system (AS/RS) uses mechanized equipment — typically stacker cranes and rail shuttle vehicles — to store and retrieve goods from high-density racking without manual forklift operation. The result is higher storage density, faster throughput, and fewer handling errors compared to conventional warehouse layouts.
An AS/RS can transform warehouse productivity, but only when the solution matches the operation. QDITC analyses your process flow and material characteristics first, then recommends the most practical system configuration. Measurable ROI, not automation for its own sake.
The stacker crane is the core piece of equipment in an AS/RS — travelling horizontally and vertically through storage aisles to store or retrieve goods across three-dimensional high-bay racking. It operates under continuous closed-loop control, using barcode or laser ranging for high-precision positioning throughout every cycle.
Three independent drive axes: horizontal travel, vertical lift, and fork extension
Servo control system with proven international deployment record
Absolute position addressing — no recalibration required after power interruptions
Barcode or laser ranging for high-precision location throughout every retrieval cycle
Full closed-loop control from task receipt to storage confirmation
The rail guided vehicle (RGV) operates within high-density storage aisles of any configured length, moving loads horizontally without requiring forklift access. Eliminating forklifts from storage aisles produces three direct operational benefits: narrower aisle widths, higher storage density per square metre, and the removal of forklift-related safety risks in active storage areas.
Single-location and multi-location continuous storage operations
Single-SKU picking and batch picking modes
Specified-quantity retrieval for partial pallet or mixed-load operations
AB-side position switching for flexible load transfer between aisles
Battery level monitoring with automatic return-to-charge before depletion
