picking system
picking according to the person-to-goods principle
Order picking systems are systems that organize, structure and enable order picking processes. Information systems, organizational systems and material flow systems are sub-points that in turn focus on independent areas.
Table of contents
definition
Order picking systems are systems that structure and organize order picking processes so that they can run smoothly according to certain rules and options. Order picking systems are subdivided into information systems , organizational systems and material flow systems .
- Information systems : Data that is important for order picking can be transmitted either acoustically, optically or via radio data transmission. Order picking methods such as pick-by-voice or pick-by-light help with this.
- Material flow systems : Materials can be provided either via person-to-goods or via goods-to-person. In general, this provision can be done automatically or manually.
- Organizational systems : Processes and process flows are handled within the organizational system and, if necessary, expanded and optimized.
Mechanical picking systems
Mechanical order picking systems include, on the one hand, order picking machines and, on the other hand, order picking robots.
picking machines
Goods are stored in shafts. Each item has its own shaft. These shafts are located to the left and right of conveyor belts. To carry out the picking order, a container is positioned on the conveyor belt. The container is provided with a barcode that determines its affiliation with the respective picking order. As soon as the container is at the height of a shaft in which a desired item is located, the shaft opens and the respective item is transported into the container via an ejector.
picking robots
The picking robot receives the following information and order data from the warehouse computer.
- order number
- coordinates of the storage location
- number of desired items
- weight of the respective items
The robots drive to the respective storage location and can remove the article using a gripping system, which usually includes suction cups. The articles are then placed in a container that is carried along. Thanks to an integrated image processing system, the robot can recognize the goods. The weight is used to determine whether the correct amount of articles has been removed.
Manual picking systems
- Goods-to-person systems = Dynamic picking
- Person-to-goods systems = static picking
