Supports positional adjustment with water jet processing.
■Overview of Processing Example Product Name: NBR Rubber Sheet with Slits Dimensions: t1 × 20W × 71L (φ4-2) This processing example involves the production of a rubber component with slits, used for parts in industrial equipment. In addition to the long shape, multiple holes and slit processing were specified, requiring positional adjustability and dimensional reproducibility during installation. The client is an industrial equipment manufacturer. To ensure freedom of shape and processing accuracy without using a die, water jet processing was adopted, achieving stable quality in production.
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■Product Features (NBR Rubber) NBR (Nitrile Rubber) is a synthetic rubber with excellent oil resistance, making it ideal for seals in fuel oils and lubricants. It also boasts superior mechanical strength and abrasion resistance, and is widely used in O-rings, gaskets, hoses, and more. However, its weather resistance and ozone resistance are low, making it unsuitable for outdoor use; it is primarily utilized in indoor hydraulic and pneumatic equipment. ■Processing Method (Water Jet Cutting) Water jet cutting 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 achieved through traditional 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: What is the purpose of the slit processing? A: It is designed to allow fine adjustments during installation and improve assembly workability. Q: Is it possible to accommodate small lots or prototypes? A: By using water jet processing, we can handle prototypes and small lots without the need for molds. Q: Can you respond to inquiries before the drawings are finalized? A: We can assist from the stage of shape consideration and processing method proposals, taking into account usage conditions and installation environments. ■Slit-Equipped NBR Rubber Processing at Daiko At Daiko, we provide comprehensive support for rubber components for the industrial equipment sector, from material selection to processing method proposals and shape considerations. Utilizing water jet processing, we can 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.'
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