No. 6500 irregularly shaped cut gasket
Water Jet High Precision Processing Case Studies
■ Overview of Processing Example Product Name: Cut-out Gasket Dimensions: Outer Diameter φ172 × Inner Diameter φ142 (P157/R7U Cut-out-2) This example showcases the processing results of a non-standard ring gasket using No.6500 (3.4t). The specification includes two cut-out sections with R shapes, designed for positioning and interference avoidance. By adopting water jet processing, we achieve high precision in reproducing free curves while minimizing thermal effects. The simultaneous accuracy of the cut-out position and outer dimensions is ensured.
basic information
■ Product Features (No.6500) No.6500 is a general-purpose joint sheet primarily made of non-asbestos fibers and heat-resistant, oil-resistant rubber (NBR). It offers excellent economic efficiency and is compatible with a wide range of fluids such as water, oil, and air. It is commonly used for sealing in piping and equipment across various industries and meets JIS standards for water supply, although caution is required for conditions exceeding 100°C. ■ Processing Method (Water Jet Cutting) Water jet cutting is a method that uses high-pressure water to cut materials. It processes by spraying high-pressure water. The injection nozzle can be changed according to the processing material, allowing for the production of high-quality products in a short time. Additionally, the dimensional tolerances that are typically associated with manual processing are significantly improved, resulting in stable processing accuracy. The taper of the cut surface from press processing can also be improved with water jet cutting.
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■ Q&A Q: Can you handle mass production for irregular shapes? A: We can ensure reproducibility through processing data management, making mass production possible. Q: Can it be used for oil-resistant applications? A: No. 6500 is primarily composed of oil-resistant rubber and is suitable for water, oil, and air lines. Q: Is it possible to manufacture based on provided drawings? A: We can process based on the drawing data. ■ Daiko's Capability We provide consistent support from material selection to processing method proposals and handling irregular shapes. We also flexibly accommodate prototypes, small lots, 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.'