Processing examples of NBR rubber sheets with slits.
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. Product Features (NBR Rubber) NBR (Nitrile Rubber) has excellent oil resistance, making it an ideal synthetic rubber for seals in fuel oils and lubricants. It also boasts high mechanical strength and wear resistance, widely used in O-rings, gaskets, hoses, and more. However, due to its low weather resistance and ozone resistance, it is not suitable for outdoor use and is primarily utilized in indoor hydraulic and pneumatic equipment.
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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 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 for fine adjustments during installation and to 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 respond from the stage of shape consideration and processing method proposals, taking into account usage conditions and installation environments. For slit-equipped NBR rubber processing, contact Daiko. At Daiko, we provide comprehensive support for rubber components for industrial equipment, 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.'