Stacker Crane

500kg – 3,000kg

Rated Load Capacity

3 m – 25 m

Lift Height

0 – 160 m/min

Travel Speed

0 – 45 m/min

Lift Speed

Brief Introduction

Stacker Crane

If your warehouse is running out of floor space but your inbound schedule isn't slowing down, swapping forklifts for a bridge-type stacker crane isn't an upgrade. It's a throughput reset.

Unlike shuttle systems or mobile AGVs, a bridge-type stacker locks the travel, lift, and fork axes into a single rigid frame that runs on precision rails. That structural discipline means less load sway, repeatable slotting accuracy, and cycle times that don't degrade when the facility gets busy. It inherits the proven runway logic of overhead bridge cranes, but every component is tuned for automated storage: closed-loop positioning, WMS handshake protocols, and duty ratings built around pallet turns, not just static lifts.

We don't spec these by brochure capacity. We map them to your actual racking geometry, SKU velocity, and maintenance windows.

Why This Design Fits Modern AS/RS Layouts？

● Rigid Double/Single Mast Options: Mounted on leveled crane rails. Deflection held ≤ span/700 under full load to prevent rack contact or fork drift.

● Closed-Loop Axis Control: Laser/encoder feedback on travel (X), lift (Z), and fork (Y). Repeatability ±2 mm standard, even after thermal expansion shifts.

● Native PLC/WMS Integration: Ships with Siemens/Beckhoff stack. OPC-UA, Profinet, or Ethernet/IP ready. No middleware layer required to talk to SAP, Manhattan, or custom MES.

● Regenerative Drives: VFD-controlled travel and hoist motors return energy during deceleration. Cuts peak draw by 18–25% in 2-shift+ operations.

● Environment Packages: Cold-store (-30°C), high-humidity, or dust-rated variants. Heated control cabinets, sealed bearings, and anti-condensation terminal blocks as standard options.

Technical Specifications

Parameter	Standard Range	Notes / Custom Options
Rated Load Capacity	500kg – 3,000kg	Up to 5,000 kg for coils, blocks, or heavy industrial pallets
Lift Height (Z)	3 m – 25 m	Multi-level racking compatible; deflection ≤ span/700
Travel Speed (X)	0 – 160 m/min	VFD controlled; positioning repeatability ±2 mm
Lift Speed (Z)	0 – 45 m/min	Dual-speed or continuous; safety brake rated 125% load
Fork Speed (Y)	0 – 30 m/min	Telescopic forks, ±1.5 mm repeatability, auto-centering
Positioning Accuracy	±2 mm (travel), ±1.5 mm (lift/fork)	Laser + absolute encoder closed-loop
Power Supply	380V/50Hz or 440V/60Hz	Optional 24V DC control, UPS backup for PLC & comms
Control System	PLC + HMI (Siemens/Beckhoff)	OPC-UA, Profinet, Ethernet/IP, Modbus TCP
Operating Temperature	-10°C to +45°C	Extended: -30°C to +50°C (cold/heated packages)
Duty Class (FEM)	2m – 4m	Matches AS/RS cycle frequency (60–120 dual cycles/hr)
Rail Type	Crane rail 38A/43A or flat guide	Pre-leveled, grouted or bolted mounting
Safety & Compliance	Overload limit, anti-collision, E-stop, fork position sensors, rail break detection	CE/ISO 4301 / ISO 8686 compliant

Note: Parameters listed are baseline configurations. Final specs are adjusted after aisle width, racking depth, and target moves/hour are confirmed.

Integration & Customization Reality

Racking Compatibility
Works with single/deep pallet racks, drive-in systems, and custom shelf profiles. Fork length, tip geometry, and load clamps are matched to your pallet footprint. No “one-size-fits-all” forks.

Software Handshake
The PLC stack maps directly to your WMS slotting logic. If your operation uses barcode/RFID verification, we integrate readers at the pickup point with <0.5s read latency. Slot confirmation, error logging, and cycle counting push back to your server in real time.

Retrofit on Existing Runways
Can be installed on verified bridge crane runways with rail reinforcement and new end trucks. No full teardown required if structural capacity and alignment meet FEM 1.001 tolerances. We run a laser survey before quoting.

Maintenance: What Actually Keeps Downtime Low

Stacker cranes don't fail because automation is "complex." They fail because rail dust builds up, firmware updates get delayed, and alignment checks become "annual."
We build in self-diagnostics for motor temperature, rail wear thresholds, and fork calibration drift. A 15-minute monthly laser verification and a clean rail path outperform any premium support contract. Keep the cycle log, torque the mast bolts at 6 months, and the PLC will handle the rest.

Next Step

Need a cycle-time simulation or power draw estimate for your aisle width and SKU mix? Send your:

● Racking height & depth

● Pallet dimensions & max weight

● Target moves/hour (inbound + outbound)

● Current WMS/PLC platform

We'll return a duty-matched configuration with rail requirements, WMS handshake points, and a 7-year TCO breakdown.