High-precision support with water jet processing.
■Overview of Processing Example Product Name: Synthetic Cork Gasket Dimensions: 5K-25A FF (Thickness 6.0t) This example involves the production of a synthetic cork gasket for piping flanges conforming to the 5K-25A FF standard. It uses thick synthetic cork material with a thickness of 6.0t, requiring precision in the central hole and bolt hole positions based on flange standards. Water jet cutting is employed for processing, ensuring uniform cutting surfaces and high hole position accuracy even with thick materials. While maintaining the material's compressive resilience, it achieves stable sealing performance and ease of assembly. ■Product Features (Synthetic Cork) Synthetic cork is a sheet material made by uniformly mixing and compressing cork particles with synthetic rubber (such as NBR). It combines the compressive resilience of cork with the flexibility of rubber, demonstrating stable sealing properties. Its moderate elasticity makes it easy to maintain uniform surface pressure during bolt fastening, making it suitable for gaskets in automotive parts and machine covers, as well as oil pan gaskets. The oil-resistant type is common, but it is not suitable for high-temperature steam or strong solvent environments. It is widely used in applications requiring vibration absorption and sealing properties.
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■Processing Method (Water Jet Cutting) A water jet is a hydraulic cutting machine that uses high-pressure water to cut materials. It processes by spraying high-pressure water. By changing the injection nozzle according to the processing material, high-quality products can be produced in a short time. Additionally, the dimensional tolerances that were significantly affected by traditional manual processing are greatly improved, resulting in stable processing accuracy. The taper on the cutting surface from press processing can also be improved with water jet cutting.
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■Q&A Q: Can you achieve precision with synthetic cork of thickness 6.0t? A: We ensure stable dimensional accuracy even with thick materials through water jet processing. Q: Can you accommodate standard flange products? A: We can respond to various standards such as 5K and 10K. Q: Do you support prototypes and small lot production? A: We can accommodate prototypes starting from one piece. ■Daiko's Capability At Daiko, we provide comprehensive support from material selection for synthetic cork gaskets to processing method proposals, compliance with standards, and both prototype and mass production. We also flexibly respond to thick sheet processing and custom shapes.
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Daiko is a manufacturer specialized in processing various industrial products, including gaskets and packing. With industry-leading processing equipment, including one of Japan's largest water jet cutting machines, and a wide range of materials such as joint sheets, rubber, resin, and metal, we meet our customers' diverse needs. Leveraging the technology and experience we have cultivated over 50 years, we provide high-quality, short-lead-time, and low-cost products to contribute to solving our customers' challenges. To respond to our customers' varied needs, Daiko's production bases are equipped with various processing facilities. Among them, the water jet cutting machines, with a total of four installed at our Osaka headquarters and Tokyo branch, boast one of the largest scales in the country. The maximum processing range is W4,000 × L5,500 mm, allowing for the high-precision manufacturing of large-diameter gaskets and packing. By maximizing material efficiency, we achieve the provision of 'high quality at low cost.'
