Focus For the overmolding process we use special tools and machines that are always matched to the requi rements and wishes of the customer says Wolfgang Rotschopf Sales Director at Greiner Assistec The machines in this case have at least two independently controllable injection units and in terms of design are often constructed specifically for a corresponding application Naturally this is also true for the requi red control For Greiner Assistec therefore close collaboration with mold and machine manufacturers is a given Process with many pluses Overmolding has many advantages Depending on the requirement Greiner Assistec offers manual and fully automatic solutions in order to optimize overall costs Overspraying causes the plastic parts to beco me more resistant as well as more water resistant and often gives them better chemical resistance Different textures can be achieved through overmolding the surface can be designed to be soft for better hand ling and feel as well as hard for greater durability Sharp edges as well as poor insulating properties can also be avoided using the process Greiner Assistec has many years of experience in the field of over molding and the process can be used at different sites worldwide Due to the wide range of products a wide variety of customers can be supported with advice and exper tise right from the start We are a much sought after component supplier even if it is only a matter of superficially small parts such as oversprayed cords but it is preci sely here especially in the automotive industry that precision is very much in demand says Rotschopf We are a much sought after component supplier even if it is only a matter of su perficially small parts such as oversprayed cords but it is precisely here that precision is very much in demand Wolfgang Rotschopf Sales Director Assistec Facts Material PA Technology Injection molding overmolding assembly welding Facts Material PA Technology Injection molding overmolding adhesive bonding assembly BOSAL Audi Wind deflector The wind deflector of the Audi R8 which must with stand high stress at high speeds is characterized by great rigidity and low weight Greiner Assistec was also able to provide valuable input into the intensive developmental collaboration between the German automobile supplier BOSAL and Audi The wind deflector is produced in an overmolding process A stainless steel frame is procured the mesh manually adhered dried and trimmed before it is manually inserted into the injection molding machine overmolded and thereby sealed The metal plastic combination allows the wind deflector to become very robust while at the same time reducing the weight of the end product thanks to the use of plastic 501 17 unique plasticspaper Magna Oil filter Precision and product quality play an important role in the automobile industry which is why the Austrian automotive supplier Magna relied on the expertise of Greiner Assistec when it developed the new M0009792 oil filter The experts designed the entire manufacturing process which relies on a combination of plastic and metal and thus guaran tees robustness and durability In the overmolding process the metal grille of the filter is first inserted into the injection molding machine and overmolded with a plastic frame Then the housing is injected and all the parts are assembled using ultrasonic welding Sensors are used to scan to ensure that the O rings are completely mounted which further adds to product safety

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