Founded in 1995, Zidong Machinery Manufacture Co., Ltd. is a professional China plastic machining manufacturer and designer in researching, developing and design all kinds of machines, equipment, lathe, machining, automatic and tools. ISO9001:2000 certified, we follow strict quality management criteria to provide high quality and cost efficient products. And We have gotten CE, GS and EMC approvals. We devote to carving CAD/CAM technology and CNC numerical control technology research OEM plastic machinings and development. By adopting assembly technology and choosing fine materials, We have moved towards good stability and gets the position in advertisement, woodworking and metal mold industries.

MJC Shafts and Rolls is an experienced manufacturer and a trusted supplier of polymer valves, sanitary components, and plastic assemblies for the pharmaceutical, semiconductor, and fine-chemical industries. This broad range of specialized knowledge, combined with ultra-precision CNC machining equipment plus sophisticated inspection instruments, allows MJC Shafts and Rolls to quickly supply customers with a wide range of plastic components, prototypes, and products. Typical requests for machined plastic components include sanitary diaphragm valve bodies, custom sanitary fittings, simple to complex manifold assemblies, and many unique plastic components that require highly accurate machining and proprietary manufacturing techniques. Other capabilities for meeting high-purity requirements include the joining of plastics and metals, plastic welding including fusion-and-stick expertise, and a clean environment to avoid contamination.

This DVD program focuses on the primary machining and assembly processes used for plastics. The plastics machining segment highlights the use of sawing, milling, routing, turning, waterjet cutting, laser cutting, drilling and the secondary holemaking operations, such as tapping and reaming. The importance of coolant used while machining plastics is also explored in detail. The plastics assembly section covers the many fastening and joining methods used to produce plastic parts. Included are segments on snap-fit fasteners, the use of hinges, mechanical fasteners, adhesive and solvent bonding applications, and the various plastic welding processes, including: spin welding, hot-gas welding, ultrasonic welding, vibration welding, heat staking and ultrasonic staking. The plastics assembly section covers the many fastening and joining methods used to produce plastic parts.

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