Injection molding Services
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Injection Molding Capabilities
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Injection Mold Tooling
Plastic Injection Molding
Metal Injection Molding
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What Is Injection Molding?
Injection molding is a widely used manufacturing process that produces parts by injecting molten material into a mold. It has the advantages of high production efficiency, large material selectivity and high parts consistency. Injection molding can use a variety of materials, including metals, glass, etc., but most commonly various plastics. The main process flows are material preparation, melting, injection, cooling, demoulding, and post-processing.
Plastic Material of Injection Molding
Plastic materials are widely used in injection molding and can be mainly divided into thermoplastic plastics and thermosetting plastics. Thermoplastics can be heated and cooled multiple times to form plastics that soften when heated and harden when cooled. Thermoplastics mainly include HDPE, LDPE, PP, PVC, GPPS, HIPS, ABS, PA, PC, etc. Thermosetting plastics undergo a chemical reaction and solidify after being heated, and cannot be melted again after molding. Thermosetting plastics include EP, PF, UP, etc.
Metal Material of Injection Molding?
Metal Injection Molding (MIM) is a technology that mixes metal powder with a binder and then manufactures parts with complex shapes through the injection molding process. This technology combines the advantages of plastic injection molding and powder metallurgy to produce high-precision, high-performance metal parts. Commonly used materials include stainless steel, iron-based steel, copper alloy, titanium alloy, nickel-based alloy, etc. The main processes are mixing, injection molding, degreasing and sintering. The advantages of metal injection molding are that it can manufacture parts with complex geometries and high precision, reducing subsequent steps, high material utilization, and high production efficiency.
Various Surface Finishes Options
The choice of surface finishes should be considered based on comprehensive factors such as the product’s own materials, aesthetic and functional requirements, use environment, cost and production efficiency. Common Injection Molding Surface Finishes:
- Polishing: Improve surface finish and increase product aesthetics
- Spray: Add color and texture, provide a protective layer
- Electroplating: Improve corrosion resistance, increase metal texture and aesthetics
- Printing: Add logo, text, pattern and other information
- Laser engraving: Using laser to carve fine patterns or text on the surface, with high precision and durability
- Sand blasting: to form a matte or rough surface to improve the grip or decorative effect
- Anodizing: Enhance wear resistance and corrosion resistance, increase surface hardness and color
- Texture processing: By creating texture on the mold, a specific texture effect is formed on the surface of the injection molded part
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Other Injection Molding Service
Overmolding and Insert Molding Services are Also Available, Please Contact Us to Get an Instant Reply.
Overmolding
Combinations of different materials such as plastic and plastic, plastic and rubber. It is usually a two-step process, with the base material formed first and then overmolded. It is mostly used to improve the functionality and aesthetics of products, such as anti-slip, soft touch, etc.
Insert Molding
A combination of plastic with metal components or other prefabricated components. The insert is placed into the mold and then injection molded, saving production costs and time. Mainly used to enhance the structural strength and functions of products.
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