Doubling the durability of mold surface treatment in automotive motor parts manufacturing.
BICOAT
Durability improved by about 2 times! Dramatically enhanced productivity of injection molding molds.
■Issue In injection molding components, the durability of the mold surface treatment is poor, requiring frequent replacements and hindering productivity. ■Solution Gradually adjust a surface treatment that is resistant to wear from molten resin and has lasting effectiveness, adopting the optimal coating. ■Customer's Challenge A manufacturer of automotive parts faced the following issues in the injection molding process of motor components: ■Details of the Issue Even with surface treatment, epoxy resin adhered, necessitating replacement after about 2,000 shots. Frequent mold changes led to decreased productivity and increased costs. ■Conditions for Surface Treatment Selection Contact with molten epoxy resin under high temperature (150°C) and high pressure. Improving wear resistance is the top priority. ■Solution Method To improve the durability of the surface treatment, tests were conducted with multiple coating specifications to consider the optimal treatment. The following surface treatments were tested: - Bi-Coat NYK-11-S Durability comparable to conventional products - Bi-Coat TYS-03K Lifespan of a few hundred shots - Bi-Coat NYK-01 (Adopted) Durability improved to twice that of conventional products Recommended for those facing issues with resin adhesion prevention and wear-resistant coatings. Please feel free to contact us!
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■Features - Durability improved to twice that of conventional products - Significant reduction in work loss and frequency of mold changes - Excellent performance even under high temperature and high pressure conditions ■Adopted Surface Treatment and Its Effects Adopted Treatment: Bicoat NYK-01 - Superior wear resistance with a hard coating that ensures long life - Maintains effectiveness even in high temperature and high pressure environments 【Features】 - Durability improved to twice that of conventional products. - Significant reduction in work loss and frequency of mold changes. - Excellent performance even under high temperature and high pressure conditions. ■Achieved Effects - Reduction in frequency of changes: Mold life improved to twice that of conventional treatments. - Cost reduction: Significant decrease in running costs. - Increased productivity: Reduced work loss and achieved faster speeds. - Improved reliability: Expanded adoption in new molds, securing continuous orders. *For more details, please refer to the PDF document or feel free to contact us.*
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Applications/Examples of results
**Main Types of Bycoat®** ■ NYK-01 - Surface treatment combining nickel-based metal coating with fluororesin ■ NOO-01 - Surface treatment combining chromium-based metal coating with fluororesin ■ TYS-03 - Surface treatment that fuses fluororesin into a chemical coating reacted with iron ions in the metal substrate ■ NYN-11 - Surface treatment combining alumina coating with fluororesin ■ CTT-200 - Surface treatment combining siloxane-based resin with metal coating **Applications** ■ Injection molding molds for rubber ■ Molds requiring dimensional accuracy for release ■ Parts requiring wear resistance and sliding ■ Parts requiring wear resistance and non-stick properties ■ Release of adhesives and sticky materials *For more details, please refer to the PDF document or feel free to contact us.*
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To maximize the performance of manufacturing equipment and machine parts, Yoshida SKT derives the "optimal solution" tailored to our customers from hundreds of surface treatment technologies. - Decreased productivity due to adhesive troubles - Instability in product quality due to friction - Early deterioration of equipment due to corrosion We respond to these challenges in the manufacturing field with our extensive track record and reliable technical expertise. In 1963, we began fluoropolymer processing. In 1968, we signed a licensing agreement with DuPont (now Chemours), supporting manufacturing innovations for over 2,000 customers across various industries, from automotive to medical and aerospace. Furthermore, in 2024, we are focusing on the development of next-generation products, such as PFAS-free coatings, contributing to the advancement of sustainable manufacturing. With a three-base system in Nagoya, Tokyo, and Yamaguchi, we flexibly respond to both mass production and custom orders. Our consistent quality management system ensures that we deliver reliable quality. For solving challenges in the manufacturing field, trust the surface treatment experts at Yoshida SKT.
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