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Special-purpose machine construction: Pre-assembled energy supply systems for a high speed machining center
Energy supply systems demonstrate their reliability even in particularly aggressive environmental conditions in special-purpose machinery construction. With the added economic constraint of having to produce even more efficiently in order to considerably reduce assembly times, there is no way round pre-assembled energy supply systems any more. If the quality and service are right too, the foundations are laid for long-term cooperation.
The logistics company Bauer Logistik Systeme GmbH & Co. KG based in Itzehoe became a sister company in the year 2000. The joint venture entered with Hell Gravure Systems in Kiel finally made Kaspar Walter a system suppler in cylinder production. “We are a typical machinery and equipment manufacturer and provide technical and industrial advice for all the big printing shops. And with our two sister companies, we can finally submit turnkey offers,” says the managing director.
“We have been using pre-assembled energy supply systems for over a year on a turning and grinding machine,” says Oliver Fechner. This concerns a high speed finishing center for turning, grinding and polishing rotogravure cylinders, the 'Finishing Center CFM Compact'. The unit can be integrated with automatic production lines. It is used in the package printing sector. “We are setting standards in our industry with this finishing center,” adds Christoph Gschoßmann. Seven energy supply systems in total are used in the small series, of which two are pre-assembled “ReadyChains®”. Six move the axes, one the control cabinet. “For the die carrier, we rely on the ReadyChain® from the start. The speed of the tool shaft is about 9 m/min, the travel distance at about 2.5 m. Due to the positive experiences, we decided as the next step to also equip the movable control panel with the pre-assembled version,” says Oliver Fechner. “And our long-term objective is to have all six axes delivered as a complete mechanical sub-assembly to install on the finishing center ready for use. ” The energy supply system from Series 39 is used. This design represents the standard on chains of this size. The series offers the best compromise between ease of assembly, stability and costs for nearly all application areas. It is distinguished among other things by a dual stop system, is corrosion resistant and suitable for tight installation conditions. Even with long travel distances, a high unsupported length is achieved with this chain. “The enclosed chain design is used incidentally on the control panel, in order to protect the cables from chips, for example,” adds the mechanical engineer, Stephan Bobritz. “All other energy supply systems on the other hand are protected in the machine housing!” The pre-assembled energy supply system is made up of at least 150 individual parts: cable types, hoses, connectors, contacts, inscriptions. Among others, “Chainflex®” cables prove their all-round ability as highly bending-resistant control, encoder and converter cables. “As this finishing center involves a small series, we were able to produce the configuration with a reasonable outlay in this case. From our point of view now sells itself. The effort involved in ordering is much less for our purchase department. We only have to specify the order number now and get the pre-assembled energy supply system delivered on time for installation,” says Stephan Bobritz pointing out the economic benefits.
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