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Self-cleaning drum motor for conveyor systems in the food industry
Wash & Go
Wermelskirchen / Sant’Antonino, May 9, 2007. Interroll unveils the first prototypes of its new self-cleaning drum motors at this year's IFFA trade fair in Frankfurt/Germany. The pioneering feature is designed to provide improved hygiene, tangible cost savings with regard to daily cleaning activities as well as superior operational reliability. Interroll's latest development, for which a utility model application has been filed, once again bears testimony to the company's position as a technology leader. Full-scale production is to commence at the end of 2007.
Boasting a fully integrated self-cleaning mechanism, the drum motors are predestined for use in conveyor systems that can be operated without the need for manual cleaning of individual components. This is of particular benefit to meat processing industries as well as all other sectors of the food production industry, which are heavily dependent on conveyor technology to maintain efficient value chains. Alongside hygiene, cost-effectiveness plays a particularly dominant role in this area: if a mere €15 can be saved per day, the self-cleaning drum motor pays for itself after just over a quarter of a year (€15 x 67 working days = €1000 / quarter. Additional cost of self-cleaning drum motor and accessories = approx. €1000).
Function and scope
Supplied with water and a cleaning agent, the next-generation drum motor with its specially positioned nozzles is capable of cleaning itself. In parallel, the unit also cleans the underside of the conveyor line within the area of the motor as well as the joints of the modular plastic conveyor belts. Designed on the basis of a 135 mm drum motor, the self-cleaning drum motor has been equipped with a second jacket tube, which delivers the incoming cleaning liquid to the nozzles via a special chamber system. The liquid enters the unit via the drum motor axis and is then distributed to the chamber system. Approx. 20 nozzles per dm² surface are responsible for cleaning the entire unit at a predefined pressure. Even congealed blood and grime are removed from the drum motor. Cleaning test were also applied to standard conveyor chains supplied by leading manufacturers within this field. They, too, were thoroughly cleaned from the underside and within the joint area. The upper surface, which is not directly accessible to the motor drum nozzles, can be cleaned by an additional system of nozzles fitted to the equipment to create a fully self-contained cleaning system that is capable of reaching every area of the conveyor.
Cleaning procedure
The cleaning process is performed while the drum motor is operating. First the cleaning foam is applied by the system; having been left for a specific period, it is subsequently rinsed. Due to the fact that the drum motor is moving the modular conveyors are cleaned thoroughly as part of this procedure.
Profile of the Interroll Group
The Interroll Group is one of the world's leading suppliers of components and subsystems for material handling, conveyor technology and automation. Listed on Switzerland's SWX stock exchange, Interroll employs roughly 1,300 people at 27 companies worldwide.

Editor contact:
Michael Hennen
SAMS Network
Sales And Management Services
Schulstraße 2
52134 Herzogenrath
Tel.: +49 (2407) 9517-600
Fax: +49 (2407) 9517-605
Product Management Interroll Trommelmotoren GmbH:
Udo Eigenfeld
Interroll Trommelmotoren GmbH
Lothforster Straße 32-40
41849 Wassenberg
Tel.: 02432-9666-19
Fax: 02432-9666-20
Reader Contact:
Interroll Ltd.
SBU Drives and Rollers
Brunel Road
Earlstrees Industrial Estate
GB - Corby, Northants NN17 4UX1
Great Britain
Phone: +44 1536 20 03 22
Fax: +44 1536 74 85 15

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