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LIQUID INJECTION MOLDING
Liquid Injection Molding (LIM) and Transfer Molding are preferred processes for manufacturing solid silicone rubber items used in a wide range of applications such as medical equipment, watersports, gas masks, military gear, waterproof device cases, 3C products and much more. MATERIALS: Shin Etsu / Dow Corning/ GE Silicones ADVANTAGES & APPLICATIONS: Low viscosity and lower injection pressure, good for silicon molding Good chemical stability and environmental protection High dimensional accuracy It produces high quality parts without secondary finishing and allows much shorter production cycles than other processes. Over-molding together with hard plastic frame (PC or ABS etc.) for waterproof devices, shock proofing, shielding, etc. Very thin wall design (0.25mm thick around) for silicone to adhere on plastic housing (rib) to meet the demand of low profile product design. Water proof feature can be secured by the combination of soft rubber contacts and with constant pressure provided by hard plastic housing (rib).
MICRO MOLDING
產品分類 : 射出成型模具
Micro molding is a very specialized art form, which is a kind of tooling design , manufactures small and precision plastic components with polymer-based functional devices, by increasingly demanded in the fields of life science, electronics, medical, photonics, automotive, and aerospace. The tiny-scale molding form of injection molding that entails building a cavity to match the shape of the part you want to make, sort of like the plastic molding that makes Lego bricks. THERE ARE THREE DIFFERENT THINGS TO KEEP IN MIND WITH MICRO MOLDING : Micro means the size of the part. It is the most common definition when dealing with micro molding. Micro features relates to tiny parts on a larger part. As a whole, the part can be big, but its components can be smaller, or micro features. Micro tolerance is how the parts are measured and how close to the needed measurement the part has to be to be considered a good or usable part. When a part is molded, it has to measure within the needed measurement (the tolerance), which could be as small as a thousandth of an inch. Small parts that are simple to make have tolerances that are not as tight and would be considered regular molding. SOME ADVANTAGES OF DESIGN GUIDE IN YOMURA AS : Dimension Aspect ratios around 6:1 (material dependent) Wall thickness : 0.3 mm ( 0.012”) min. for plastic Hole dimension : 0.2mm ( 0.008”) – 0.5mm ( 0.02”) min. Pitch of hole : 0.3 mm ( 0.012”) – 0.50 mm ( 0.02”) min. Tolerance (min) : 0.01 mm ( 0.0004”) – 0.02 mm ( 0.0008”).
立式關模立式射出機-YR多重崁入射出機圓盤系列
產品分類 : 立式射出成型機
• Vertical clamping with vertical injection. • Rotary table oscillate 180 °, rotate back / forth for easy loading and finished parts pick out, to increase productivity. • Rotary table with location pin, accurate positioning for mold alignment and automation. • Robot interface capability for complete automation. • Standardized wtih 2-sation function, and capable for 3-station or 4-station function & automation linkup for advanced efficiency. • Standardized wtih 3-column clamp, and available for 4-column clamp upon request.
