Water jet processing for rotating equipment applications.
■Overview of Processing Example Product Name: Gasket for Rotating Equipment / Dimensions: Outer Diameter 653φ × Inner Diameter 583φ × Thickness 1.5t, Bolt Holes 13φ - 10 holes, 15φ - 2 holes / This processing example is a natural rubber gasket used in the flange connection of rotating equipment. It has an irregular shape with multiple bolt holes and positioning protrusions on the outer circumference, making it suitable for sealing applications in environments prone to vibrations and slight misalignments. By using water jet processing, it achieves dimensional accuracy and hole position accuracy without the need for a mold, ensuring stable quality even for large diameters and complex shapes. ■Product Features Natural rubber (NR) is made from the sap of rubber trees and boasts excellent mechanical strength, elasticity, and abrasion resistance. While it is strong against tearing and bending, it is inferior in oil resistance and weather resistance. Therefore, it is widely used in environments where it is not exposed to oil or direct sunlight, such as vibration-damping rubber, cushioning materials, and tires (blends).
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■Processing Method Water jet cutting is a water pressure 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 are significantly improved compared to traditional manual processing result in stable processing accuracy. The taper on the cut surface from press processing can also be improved with water jet processing. ■Q&A Q: Why is natural rubber suitable for gaskets used in rotating equipment? A: Natural rubber has excellent elasticity and resilience, allowing it to conform well to flange surfaces even in environments with vibrations and movement, providing stable sealing performance. Q: Is it possible to process gaskets with large diameters and irregular shapes? A: Water jet processing can accurately handle large sizes and complex shapes with protrusions. Q: Can you accommodate prototypes or small lots? A: Since it is a processing method that does not require molds, we can flexibly respond to prototypes and small lot production starting from one piece.
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Leave the processing of natural rubber gaskets to Daiko. We can respond with high precision to large diameter products and irregular shapes for rotating equipment using water jet processing. We flexibly accept everything from single prototypes to small lots and custom specifications. Please feel free to consult us about material selection and design changes.
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Company information
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.'
