Crest Group. Full service partners. for assembly technologies in all industries. Knowledge Network. Synergetic effects. Capability

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1 Crest Group Knowledge Network Synergetic effects Full service partners for assembly technologies in all industries. Capability Inner door panels or car bumpers, front panels or fuel tanks, packaging systems or medical articles - almost every branch of modern industry requires the application of plastic parts, embedding of metal inserts into plastic components and reliable welding or riveting assemblies of thermoplastic items. Non Ferrous Metall Automotive It's good to have the opportunity to rely on the capacity and the innovatory force of a specialized partner in this field. With its wide product range the Crest Group efficiently covers the complete range of plastic welding technologies. Since many years the various partners of the Crest Group play a leading role on the international market. Toys & Leisure Clothing & Textile Knowledge Network Synergetic effects Telecommunication Optics & Medical Companies of the Crest Group division plastics technology Packaging Food industry Electronics Appliances & White Goods KLN Ultraschall AG Odenwaldstraße 8 D Heppenheim Germany Tel.: +49 (0) 6252 / 14-0 Fax: +49 (0) 6252 / info@kln.de Web: KLN Ultrasonics (Shanghai) Co.,Ltd. San Bang Road No. 388 Building 10 Che Dun - Songjiang Shanghai CHINA Tel.: + 86 (0) Fax: + 86 (0) info@klnchina.com Web: Ultrasonic welding welding riveting punching cutting RINCO ULTRASONICS AG Industriestrasse 4 CH-8590 Romanshorn Switzerland Tel. : Fax: info@rincoultrasonics.com Web: Hot plate welding Vibration welding Spin welding MECASONIC SA Rue de Deux Montagnes ZI Ville la Grand - BP. 218 F ANNEMASSE CEDEX France Tel.: Fax: mecasonic@mecasonic.com Web: Hot riveting Infrared welding Laser welding FORWARD T E C H N O L O G Y FORWARD TECHNOLOGY 260 Jenks Avenue Cokato, Minnesota USA Tel.: Fax: Web: Automation Mechanical processing punching cutting drilling

2 Twin station machine with integrated turn table. Hot riveting for ornamental moulding, particularly suitable for sensitive surface product application Special equipment for thermo-riveting of a metal sheet for airbags into an instrument panel. KLN Ultraschall AG Headquarter Heppenheim Continuous welding ( sewing ) of plastic foils and fabrics by means of Ultrasonics.

3 SPECIAL METHODES AND SPECIAL MACHINE ENGINEERING Furthermore, KLN develops and manufacafter processing. Tures standard subassemblies and special equipment for particular applications, complementing the 4 main welding methods. As, for instance, the special assembly methods of Thermo-riveting and Thermo-embedding. As Ultrasonic Metal Welding - e.g. of aluminium foils -, Ultrasonic sewing, or Ultrasonic cutting - for example of frozen food -, Ultrasonic drilling of hard and brittle materials as well as the exposure of liquids to Ultrasonic emission used in Disintegrators for laboratory purposes. Founded in 1947 by the physicist Dr. Lehfeld and known since 2000 as KLN Ultraschall AG, we are today one of the leading European manufacturers of machines and equipment for welding thermoplastic parts and ultrasonic cleaning technology in Europe. In January 2000 KLN Ultraschall has joined the Crest Ultrasonics Corp., USA/Trenton, New Jersey, a group with international activities. All over the world a staff of more than employees works on 20 locations in 12 countries. The complex technologies of plastics welding and ultrasonic cleaning are the main activities of the Crest Group. Currently at the German location in Heppenheim an expert team of 280 employees works on complex customer projects. Plastic welding technology Standard machines for ultrasonic welding, ultrasonic multi-head machines, ultrasonic continuous welding for aluminum foil or thermoplastics, special machines, vibration welders, Infrared welders, spin welders, hot plate welders, processing machines for plastics fuel tanks. Ultrasonic cleaning technology Ultrasonic vibration tanks, compact machines with drying feature, special machines, modular tank systems with agitation, rinsing, drying and rust inhibiting. Special equipment for Thermoriveting of pump wheels. Pump wheel and disc before and after processing. Responsibility We dedicate all our responsibility to our customers. That's why you will be attended from the very beginning by a qualified project leader. He will be supported by a team, which is responsible for the optimum realization of your project: from the intensive examination of your application, to design, construction and on-site commissioning of the equipment, up to the guarantee of quality - world-wide and just in time. Because, wherever in the world you wish to work with us, you will always have available online the international knowhow of the whole group of companies. Due to the close cooperation of the Crest-companies and their continuous exchange of ideas and experience, you can be sure to get the solution for high-quality plastic assemblies suitable for your specific applications.

4 T... in Vibration welding Vibration standardmachine for I-Panels e is no Question of Material... The Vibration Welding method is not only applicable when welding asymmetrical shapes, it is also suitable for many sorts of materials. Apart from welding of thermoplastics such as PP and PA, considered to be critical from a technical point of view, it is also possible to realize excellent assemblies of different thermoplastic materials, such as PMMA with PC and ABS. There is even no problem to combine dissimilar materials such as woodstock and thermoplastic materials. The KLN Vibration welders permit cycle times of a few seconds only for the whole operation to be selected - of course, with best welding quality by CPC. KLN offers the possibility to integrate infra-red technology in all machines, or tools for minimisation of abrasion e is no Question of shape in Ultrasonic welding This welding method allows even the assembly of unusually shaped parts without any problem. The whole programme of the KLN standard and special machines in the field of Ultrasonic welding technique, offers generators with an output from 150 to 3000 Watts and frequencies of 20, 30 and 40 khz. Furthermore the KLN Ultrasonic standard subassemblies can be integrated in special machines. Modular machine concept Ultrasonic Multi-head equipment for the production of different lining and reinforcement elements or functional parts, such as centre consoles, air distributors instrument panels, glove box lids. Fueltank handling with robot and integrated round table ( welding, cutting, punching ) Vibration tool with integrated IR preheating and masking Ultrasonic standard machine, type OMEGA, e.g. for welding Handy cover.

5 Machines for the Automotive Industry KLN Ultrasonic special machine for bumber with tool Vibration welder, linear welding of parts up to a size of 1800 x 700 mm - e.g. parcel shelves. max. tool weight to 220 kg There is no Question of Precison in Spin welding. Precise positioning and alignment of the parts to be welded, the exact adjustment of the number of revolutions per minute As well as modern control techniques, make it possible to realize applications where precision is what matters - from the automotive industry to the domain of medical products. Provided that the welding areas of the parts to be welded are axially symmetrical. e is no Question of the Melt index..... in Hotplate welding or Infrared. In order to achieve highly solid assemblies of plastic parts with different melt indices, the KLN standardmachines are provided with double hotplates. This technology permits the welding areas of both parts to be welded to be warmed individually up to the heat which the specific material requires. Precision guiding systems and digital temperature regulators ensure the optimum and - above all - reproducible quality of the weld joints. All the machines can be equipped with infrared heating element, for contactless melting ( short or medium waves ). Spin welding standard machine Application: middle consol Hot plate- special machine for welding middle consols ( two welds in one step ) Spin Welding of a manifold for car motors. Special equipment for welding of plastic pallets. The machine is equipped with a fully automatic loading system: a conveyor belt for the parts and a handling system to place the cover plates on to the pallets. A milling station is integrated for mechanical Vibration Welding equipment, type processing.

6 The Automotive Industry: Wherever you look KLN techniques of assembly are used: from the instrument panel to the rear lights, from the parcel shelf to the bumpers, from the sun roof frames to the fuel tank. Vibration welding of air channels into PP instrument panels. Ultrasonic welding of a C-column of ABS. Vibration welding of a rear light consisting of an ABS housing and a PMMA cover lens. Spin welding of activated charcoal filters of PA. Ultrasonic riveting of car door inner panels made of PP with high-quality cloth or leather lining. Hotplate welding of air filters of eco-friendly PP. Equipment for processing of fuel tanks of high-molecular PE, combining the methods of Hotplate welding, cutting, punching and milling / smoothing. Vibration welding of a PA intake manifold. Ultrasonic riveting of car bumpers of PP. Ultrasonic Flange welding carried out on an airbag cover.