Coating-free metallic resin molding technology that demonstrates advantages different from painting and plating.
At Nisshin Kogyo, we are addressing various molding defects, such as color unevenness that tends to occur with high-brightness metallic resins, using our orientation control technology. We have successfully developed a technology that makes the "orientation phenomenon," which prominently occurs in metallic-colored resin molding, invisible from the surface of the molded product. This was developed as our unique technology without relying on materials, special equipment, or patents held by other companies. Currently, we are continuing to develop this technology to make it more versatile and establish it as a core technology. By utilizing this technology, it becomes possible to express a metallic appearance that previously relied on painting solely through molding, as well as reducing painting costs, solving the "peeling" problem, enabling resin recycling, and reducing environmental impact, among many other benefits.
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●Inquiry and consultation regarding metallic colored resins 1. Manufacturing of molded products (we request orders starting from mold production) *There may be requests for partial changes in product design for orientation measures. 2. Development of desired colors (from color plate production to pellet manufacturing and sales) *The average delivery time is set at around 4 weeks. 3. Manufacturing and sales of trial molds *Due to high demand for orientation and material property verification, short delivery times are currently difficult. 4. Prototype verification using existing molds owned by customers [Paintless metallic is not an easy cost-reduction technology] Defects are likely to occur at corners, uneven areas, and PL parts with plating or painting, leading to burdens for countermeasures. Our company was prompted to reduce this burden at the request of plating and painting contractors, and we have been advancing the differentiation between products suitable for plating and painting and those suitable for surface treatment-free applications. Therefore, we do not deny plating and painting; rather, we aim to enhance the added value of injection-molded products by expanding each area of expertise.
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**Benefits of Eliminating Orientation Reduction** 1. Achieves significant cost reduction by eliminating the painting process. 2. Eliminates the concept of "peeling," extending the lifespan of products. 3. Realizes the reuse of resin. 4. Achieves a reduction in environmental impact. Used in parts for automotive components, vending machines, currency exchange machines, water purifiers, electric kettles, home appliances, computer-related devices, toys, and amusement equipment!
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■Orientation control molding of fillers: Controls the orientation of carbon fibers, glass fibers, talc, etc. In particular, it improves issues such as strength reduction at joints, bulging due to shrinkage differences, and appearance defects through the orientation control of fillers. This technology also addresses the appearance defects that occur as black streaks due to the orientation of paint-free metallic-colored resins. It is important to note that this is orientation control, which differs from weldless molding. ■Paint-free metallic resin molding technology: Demonstrates advantages different from painting and plating. ■Thick-walled molding: Achieves downsizing of molding machines through our unique intrusion (flow molding) technology. Unlike conventional technologies from other companies, it is possible to improve the quality of molded products to be equal to or better than that of standard injection molding. We have trademarked our distinctive technology as Revolution Injection Molding (Rev Inj). ■Flow analysis: Possesses analysis technology where molding engineers (first-class skilled workers) analyze and integrate actual molding phenomena with simulations.