Prerequisites for Black Box Picking Identification of Prerequisites for the Black Box Order Picking Method in Warehousing
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Examensarbete för masterexamen
Master's Thesis
Master's Thesis
Modellbyggare
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Sammanfattning
Consolidation of orders is a time-consuming process in a warehouse. The company of
collaboration for this master’s thesis, DB Schenker Logistics, wants to eliminate the process
of consolidation by transitioning to the black box order picking method. Black box picking is a
version of pick-and-pass where goods are picked in secondary warehouse zones before they
are placed, and later picked, in a main zone. DB Schenker Logistics needs to understand
what prerequisites are important for a successful black box system. The aim of this master’s
thesis is therefore to identify the prerequisites needed for a black box picking system in a
warehouse. Thereby, the thesis will provide support for warehouse designers to facilitate the
implementation of a black box system. Data collection for the master’s thesis was conducted
using a literature review, visits to DB Schenker Logistics’ warehouses, and visits to four case
companies’ warehouses. During the warehouse visits, interviews and observations took
place. Interviews were also performed with personnel working at DB Schenker Logistics. The
literature review was used to develop a framework for assessing prerequisites for black box
picking, which thereafter was used for data analysis of the collected empirical data. The
framework focused on the three categories of system factors, product and order factors, and
inventory factors, which were then further broken down into several subfactors. The identified
factors were classified as prerequisites, simplifying but not necessary, and not prerequisites.
The findings have implications for DB Schenker Logistics and for warehouses in general. For
DB Schenker Logistics, the framework can be used to evaluate if prerequisites exist for black
box picking, in order to avoid consolidation in the warehouse. Furthermore, the developed
framework can be used by warehouse designers in general to assess if black box picking is
suitable for application in a certain warehouse setting.
Beskrivning
Ämne/nyckelord
BLACK BOX PICKING, PICK-AND-PASS, PICKING METHODS, ORDER PICKING, WAREHOUSE DESIGN