Case Study | Depalletizing and Palletizing Applications in Diverse Logistics Scenarios
Upload time: 2022-03-06

Depalletizing and palletizing carton boxes, totes, bags, and barrels are among the most labor-intensive tasks in inbound receiving, B2B order picking, sorter induction, and outbound packing.

XYZ Robotics' automated depalletizing and mixed-case palletizing systems now can handle carton boxes, bags, totes, barrels, boards. They also support single-item and multi-item pick-and-place modes, homogeneous, mixed-case, and labelled-side-out pallet patterns.

With proven efficiency, accuracy, and versatility, XYZ Robotics' systems can significantly improve productivity and reduce repetitive manual work. Today, XYZ Robotics provides coast-to-coast solutions for a wide range of industries including logistics, pharmaceuticals, electronics, consumer goods, and chemicals.


Carton box depalletizing and mixed case palletizing

A global electronics manufacturer

Carton box depalletizing and mixed case palletizing

The customer requires automated carton box depalletizing and palletizing for inbound and outbound. For the inbound process, the robot equipped with 3D vision supports palletizing on non-empty pallets. For the outbound process, the robot manages to palletize mixed carton boxes with labelled-side out. Precision electronic products in carton boxes demands gentle handling.

Highlights:

- Palletizing on non-empty pallets: pallet pattern detection of non-empty pallets allows for continued palletizing

- Mixed case palletizing with labelled-side out: ensure stable pallet pattern with carton boxes' labels facing outward for security check


Carton box multi-item depalletizing and palletizing

A global top 100 PCB manufacturer

Carton box multi-item depalletizing and palletizing

The customer requires multi-item depalletizing and palletizing of more than 30 types of carton boxes. The vision-guided robot handles carton boxes between pallets and the conveyor.

Highlights:

- High efficiency: 1000 cases/hour (intelligently pick 1-3 cases per cycle in 7 seconds

- Custom gripper: support multi-item picking of various carton boxes


Tote depalletizing and palletizing

A leading automotive supplier

Tote depalletizing and palletizing

Before production, pallet transporting AMRs convey totes to depalletizing positions. The robots depalletize totes, scan the barcode, and palletize them on specified conveyors. Case handling AMRs then handle and transport totes to the production area.

After production, case handling AMRs send empty totes back to conveyors. Then, the robots palletize those mixed totes with different heights on pallets by multi-item picking mode.

Highlights:

- Recognize black and slightly reflective totes: HDR camera and the proprietary model matching algorithm resist the interference of low edge contrast and reflection effectively, thus achieving accurate handling

- Custom gripper: support densely packed totes depalletizing and multi-item palletizing of 2 types of totes with different heights

- Compact layout: equipped with eye-in-hand camera and motion planning algorithm, the robot can work between 8 conveyors and 4 pallets following collision-free trajectories


Tote loading and unloading

An electronic components sales company

Tote loading and unloading

The customer is an electronic components sales company. Its newly-built logistics center is the largest of its kind. In this center, products purchased globally will be stored, unpacked, sorted, repacked, and transported to the markets worldwide.

Paired with AMRs, the robots put totes in assigned compartments on racks for inbound or take totes from specific compartments to conveyors for outbound.

Highlights:

- Precise localization of racks: the camera mounted above locates racks and corrects the position offsets caused by AMRs to ensure safe and stable placement

- Eye-in-hand barcode scanning: the in-hand scanner recognizes totes rapidly and accurately

- Custom gripper: picks totes of 30 kg stably and allows small position offsets during transporting by AMRs


Bag depalletizing

A large pharmaceutical company

Bag depalletizing

The robot depalletizes and palletizes the bags between the cage cart and the conveyor. The cage cart is 2.5 meters high, so the limited working space for the robot demands advanced motion planning algorithm.

Highlights:

- Accurate recognition with deep learning algorithm: resist interferences like bags' uneven edges and wrinkles

- Collision-free robot motion: proprietary motion planning algorithm ensures optimal trajectory between the cage cart and the conveyor


Bag depalletizing

A pharmaceutical company

Bag depalletizing

The customer requires one robot to handle 3 working positions. According to WCS, the robot recognizes and depalletizes bags on specified pallets, and places them on the conveyor. After one pallet is emptied, the robot places the pallet on the pallet conveyor.

Highlights:

- Custom all-in-one gripper: handle both 50-kg bags and pallets without switching

- Eye-in-hand camera: recognize bags on three pallets flexibly

- Powerful vision algorithm: recognize randomly piled bags with uneven edges accurately


Barrel multi-item depalletizing

The largest petroleum product manufacturer

According to the WCS data, robots depalletize barrels and carton boxes to conveyors in multi-item mode. The customer requires a custom all-in-one gripper to pick both barrels and carton boxes without switching. The barrels are varied in size and color, among which the black one with low edge contrast demands high recognition accuracy.

Barrel multi-item depalletizing

Highlights:

- Advanced vision algorithm: recognize black barrels accurately

- Custom gripper: handle both barrels and carton boxes without gripper switching and achieve 3 cases/10 seconds

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