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Safety light curtains

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A single product series for all imaginable application scenarios: With this idea in mind the Schmersal centre of excellence for optoelectronic safety products has developed new type 4 safety light curtains and light-grids according to IEC/EN 61496. The series named SLC/SLG 440 offers numerous functions which in traditional solutions are only available as additional options or in separate product series. Such functions are for example fixed and floating blanking, fixed blanking with movable edge region as well as double acknowledgement. Functions are selected in parameter setting mode. Selections are made in a user-friendly manner and without PC software via seven-segment display and with a single input device (push-button). After completion, the selection is stored in the system. Included standard features are the contactor control (EDM), automatic mode, restart mode and beam coding. From the machine manufacturer point of view this dramatically facilitates stock keeping: no matter what application scenario the manufacturer is faced with, the one and the same model can always be used. Due to the compact design the safety light curtains and grids can be used in applications with limited space. pb


floating blanking

bewegliche Objektausblendung

contactor control



Resists aggressive agents

Products for medical technology and pharmaceutical industry are the speciality of Spang & Brands in Friedrichsdorf, provider of complete solutions. On display is a state-of-the-art single-use colonoscope, using inverted sleeve technology and remote control movement flow, not requiring costly anaesthesia, thus pain-free for the patient. The colonoscope has already been approved within Europe and is employed in practice. Accreditation for use in the USA is in progress. The drive sleeve and the connectors located in the motor casing are not only exposed to mechanical stress, but also come into contact with a special oil. Oil-resistant plastics components in medical technology and FDA-approved are – as opposed to, for instance, in the automotive industry – extremely rare. The manufacturer of this innovative single-use colonoscope was aware of Spang & Brands´ competence in multi-component injection moulding technology. Spang & Brands has identified a TPE blend of materials for the mission-critical drive sleeve – applying analysis, laboratory research and drawing on its experience. Result is a solution that is resistant to aggressive agents such as oil and chemicals. pb


Gerät zur Durchführung der Darmspiegelung

injection moulding technology




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