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What Is Micro Molding?
Micro molding is a specialized manufacturing technique for creating tiny, high-accuracy, and precise components, typically with a diameter under 4 millimeters or a weight less than 1 gram.
Micro injection molding is a specialized subset of plastic injection molding, tailored for the production of next-generation components that are extremely small yet require precise tolerances and intricate details. Many product developers are unaware that these miniature parts can often be manufactured more quickly and cost-effectively using smaller, dedicated machines.
Micro Manufacturing Capabilities
- Less Invasive Devices: Utilizing extreme thin wall molding techniques, we achieve less invasive medical devices.
- Precision at Micro Scale: High precision enables intricate micro functionalities, pushing forward medical technology within confined spaces.
- True Miniaturization: Parts are now smaller than a pellet of resin, demonstrating true miniaturization.
- High Aspect Ratio Molding: Successfully manage high aspect ratio flow lengths, ensuring complex part designs.
- Mold Design Innovations: Molding with virtually no draft and tolerances so tight they were once unimaginable.
- High Precision Assembly: Positional accuracy in assembly reaches +/- 1.5 microns, ensuring perfect alignment.
- Surface Technology: Incorporating functional surface technologies like micro holes, microfluidics, true sharps, and micro barbs.
- Complex Geometry Handling: Manufacturing parts up to 7″ (177.8mm) that maintain micro features, thin walls, and complex geometries with tight tolerances.
Types of Micro Molding Processes
Injection Molding
Insert molding places metal in a mold, injects plastic. Used in micro molding for durable, functional parts in medical and electronics.
Overmolding
Overmolding layers different materials or colors in one mold for complex parts. It improves grip and aesthetics, used for small items like buttons, electronic housings, and automotive seals.
LSR Molding
Liquid silicone micro-molding creates tiny, precise parts by injecting silicone into micro-molds.
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