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Reconstruction of 8 HRL rack operator devices |
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Ravensburger Spieleverlag GmbH · Ravensburg
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| Task |
Ravensburger is an internationally well known media enterprise with ideas, which impart entertainment, fun
and knowledge to lots of people. In order to grant a reliable and fast supply of their customers further on,
Ravensburger has decided to reconstruct and modernize the S/R machines of the high rack warehouse. The
company Aberle Steuerungstechnik GmbH as general contractor was in charge of the logistic concept and it is implementation.
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| The requirements in detail: |
 exchange of the carriage engines without exchanging the gear unit, including frequency transverter
exchange of the hoistering gear engines incl. gear unit and frequency transverter
exchange of the speed monitoring in the hoistering gear
exchange of the telescopic fork -> characteristic: laquering in fluorescent colour and anti slippery flooring
position measuring systems for
 Y-axis wire draw encoder
Y-axis wire draw encoder
exchange of the old S5 controls
new vertical ladder and safety belt for the ascent of the tower
camera system for the monitoring and mounting of a new power chain
delivery and installation of a new energy track chain
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| Integrated components |
The automation of the S/R machines was realized with Simatic S7-controls of type series S7 315-2DP. The periphery of the sensors and actuators was connected by remote positioned Wago-Profibus modules. The
connection to the customer’s site coordination and
control computer (KSR) was done by a 20mA /TTYinterface
in this stage of extension. In the second
construction stage the connection of the S/R machine
to the KSR is done by Ethernet with TCP/IP. |
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| Solution |
Realisation of a test weekend before the first reconstruction date. All critical areas especially within the mechanics
have been checked. The rope drums as well as all components, which had to be loosened from the spindle
were removed and re-located. Thereby the risk of not being able to process a component within the timely
critical reconstruction phase was minimized. Reconstruction of the 8 S/R machines on 3 consecutive
weekends. With this tight schedule the down time of the warehouse was reduced to a minimum. Due to our
reconstruction concept no rearrangements of the single aisles were necessary in advance. Thereby it was not
necessary for Ravensburger to rent additional storing area. The highest possible ability to supply was granted at all times.
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| Advantages for the customers |
After a smooth start the customer again possesses a highly available warehouse. The choice of the components
in terms of serial products in the area of sensor technology and actuators allows the customer to access spare parts
easily and smoothly within measurable time. Due to the increased efficiency of the S/R machines of over 30 %
Ravensburger is today in a position to manage the future increase in turnover by means of the existing high rack warehouse. |
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