Reifenhaeuser Gmbh & Co Kg Maschinenfabrik

Reifenhauser Gmbh & Co Kg Maschinenfabrik

Mark Hilgers

Thomas Fett

Christoph Lettowsky

Jens Mager

Christian Stelter

Andreas Roesner

Asmir Vodencarevic

Hans-Georg Geus

Michael Nitschke

Andreas Rösner

Paul Walach

Andreas B Rösner

Martin Neuenhofer

The invention relates to various aspects in the production of extrusion products. The properties of extruded articles are dependent significantly, in addition to their formulation, also on the setting variables and in particular on the thus resulting process variables. The setting variables and in particular the process variables thus represent a state of the extrusion process characterized as 'fingerprint'. The thus claimed invention takes into account these facts and supports the operator of a production plant to detect earlier changes in quality and to systematically counteract a deterioration in the quality.

Method for monitoring a production process, method for indirectly deducing a systematic dependency, method for adapting quality, method for starting a production process, method for producing an extrusion product and system for producing an extrusion product

A plastic film of a thermoplastic synthetic resin is made in a film-making system by extrusion from a die of an extruder. First the plastic is melted and extruded from the die as a tube or web that is, typically after cooling and stretching, formed into a package. At least one reference parameter is provided, and, during continuous operation of the system, two input parameters different from the reference parameter are measured by respective measuring devices An output is determined from these reference parameters and is compared with the reference parameter.

Method and system for making a plastic film

A system for making a nonwoven nonwoven spun-bond or melt-blown fabric has a spinneret for spinning fibers or filaments, a cooler downstream of the spinneret for cooling the spun fibers or filaments, a stretcher downstream of the cooler for stretching the cooled fibers or filaments, and a conveyor downstream of the stretcher. The stretched and cooled fibers or filaments are deposited as a nonwoven web on the conveyor. Sensors measure input parameters at the spinneret, at the cooler, at the stretcher, and/or at at least one diffuser or at the conveyor. An evaluating unit for determining an output parameter from the measured input parameter with respect to a predetermined reference parameter.

Method for making a fiber fleece

A plastic-extrusion system comprises a plurality of system components including an extruder and a collection device for collecting the extruded plastic material. The plastic-extrusion system has an operator station designed for taking in and outputting data of the plastic-extrusion system. The operator station further has a mobile terminal including a screen of a graphical user interface as well as a camera. The plastic-extrusion system is associated with at least one information source, and preferably a plurality of information sources. The operator station is configured so as to provide access to the at least one information source, and preferably to the plurality of information sources.

Plastic extruder with mobile operator station and method of operating same

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Troisdorf, Germany

Mark Hilgers