Molding Services

Molding services create ceramic, composite, glass, rubber, plastic, silicone, or metal parts by combining solids or powders with liquids, or by pressing solid materials or powders into a die or form. They use many different molding processes. Examples include casting, compression molding, compaction, ramming, pressure forming, hot pressing, cold pressing, injection molding, resin injection molding, blow molding, transfer molding, thermoplastic molding, thermoset molding, and rubber molding. These molding processes are used to fabricate a wide variety of mechanical components, housings or cases, seals, gears, impellers, valve parts, belting, dielectrics and insulation, bumpers, vibration absorbers, nozzles and ferrules. Original equipment manufacturers (OEM) use molded parts in automotive, aerospace, medical, and heavy-duty industrial applications; safety, consumer, telecommunications, and chemical processing equipment; and the electronics and electrical industries. Molding services are located across the United States and around the world.

Molding services may offer secondary or additional capabilities such as assembly, bonding, design assistance, machining, forming, prototyping, low-volume production, high-volume production, treatment and finishing. Assembly and bonding services may fabricate electro-mechanical assemblies or perform ultrasonic and heat welding, repair, adhesive bonding, and mechanical joining. Machining can include the capability of very precise machining operations such as turning, milling, boring, and grinding. Forming can include operations such as coining, bending, stamping, punching and piercing. Molding services that offer treatment or finishing processes perform heat treatment, surface treatment, coating, or finishing operations. Painting, thin film (CVD / PVD) coating and silkscreen printing are examples of coating processes. Finishing processes include deflashing, grinding and polishing.

Molding services differ in terms of certifications and approvals. ISO 14001 specifies requirements for an environmental management system. ISO 9001:2000 establishes requirements for quality management systems and covers standards ranging from manufacturing to design, development, production, and installation. QS-9000 is a quality standard for suppliers of DaimlerChrysler Corporation, Ford Motor Company, and General Motors Corporation. QS-9000 is based on the 1994 edition of ISO 9001, but contains additional requirements that are particular to the automotive industry. Specifically, ISO/TS 16949:2002 is an automotive standard that supersedes QS-9000 and includes ISO 9001:2000's process approach. Molding services that meet U.S. military specifications (MIL-SPEC) and standards (MIL-STD) are also available.

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