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Components
1- Blower
In order to generate suction or pressure in a tube system, each system needs at least one blower unit. The efficiency of the blower unit depends on the distance of the tube network, the diameter of the tube and also the weight of the transported carriers. The transport speeds lies between 2 – 20 m per sec.
2 - Station
Stations serve to send and receive carriers at different destinations in the tube system. The choice of the station depends on the requirements and the features:
a) Open-Port station: the carriers are taken from the user by suction. Although these stations can also receive carriers, they are often installed as sending stations only (e.g. cash handling systems).
b) Sliding sleeve stations: these are simple stations allowing the loading of the carrier into position.
c) Fully automatic stations: these stations are equipped with send and receive storage units. The system processes all the send-off automatically. The carrier is placed in a station after the destination has been entered into the user-panel and is transported to the given destination as soon as the line is free. When the carrier is placed in the station the user can leave, as the carrier will be automatically sent.
3 - Forwarding Tube
The forwarding transport tubes are the network of a tube system. Depending on requirements, different materials (e.g. synthetics, aluminium, steel, stainless steel and foamed tubes) and diameters (from 55 mm up to 300 mm) can be used. Grey PVC tubes with a diameter of 110mm have become standard.
4- Carriers
Carriers are the containers for the transported goods. Depending on the diameter of the transport tube (55 mm up to 300mm) and the type of goods that are to be transported, different carriers can be used. For example, metal carriers are used in industry, whereas in areas where security is a prime concern (cashiers / banks), lockable carriers are utilised.
5- Transfer Unit
Transfer units provide the link between various zones within a system. A diverter transfer unit can link up to three lines whereas linear transfer units can link up to eight zones. The linear transfer unit enormously increases the capacity of a system due to the fact that each individual zone has a carrier storage facility at the transfer unit - thereby allowing additional carriers to be transported whilst other carriers are simultaneously awaiting transfer.
6- 2-way and 3-way diverters
Diverters create the branches within the network.The controller sets the diverter to determine the path of the carrier. Once the carrier has passed the diverter a message is received by the control through a tube switch.
News
Medica 2008
19 - 22 November 2008
Hall 16 / Stand A33
Swisslog takes part to the 40th world's largest medical fair MEDICA in November 2008 in Düsseldorf, Germany. ...