Case study of Eptsealer corner-cut gaskets | High-precision cutting of foam materials using water jet processing.
■Overview of Processing Example Product Name: Eptsealer Corner Cut Packing Dimensions: 170□ × φ83 Specifications: EC110 (5t) + EE1010 (25t) with tape This case involves the processing of a corner packing made from EPDM foam material "Eptsealer." It has a structure with a central circular opening and is used for housing sealing applications. Due to the tape-attached specification, accuracy in the attachment position and stability of the outer dimensions were required. By using water jet processing, high-quality cutting surfaces with minimized deformation were achieved even with flexible foam materials.
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■Product Features (Eptsealer) Eptsealer is a high-performance sealing material made of EPDM rubber foam, excelling in durability, flexibility, waterproofing, soundproofing, and vibration-damping properties. It is used in various fields such as construction, automotive, and home appliances. Its shape and type can be selected according to application and construction conditions, allowing it to meet a wide range of needs. ■Processing Method (Water Jet Cutting) 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 of the cut surface from press processing can also be improved with water jet cutting.
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■Q&A Q1. Is it possible to achieve high-precision circular machining even with foam materials? A. Non-contact cutting with high-pressure water ensures stable roundness. Q2. Is it possible to accommodate prototypes or small quantities? A. Since no mold is required, we can accommodate from a single prototype. Q3. Can you also accommodate other thicknesses and hardnesses? A. We can propose material selection and thickness changes based on application conditions. ■Daiko's Capability Daiko can provide consistent support from material selection to processing method proposals and shape design considerations. We flexibly accommodate prototypes, small lots, and custom shapes, offering specifications that are optimal for application conditions.
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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.'
