Processing example of EPDM rubber truck oval gasket | Multi-hole shape support by water jet processing
■Overview of Processing Example Product Name: Truck Oval Gasket Dimensions: 3t × 160W × 410L Material: EPDM Rubber Processing Method: Water Jet Cutting This case involves the production of an EPDM rubber gasket based on an oval shape (truck oval), featuring multiple through holes arranged at the inner opening and outer circumference, using water jet cutting. Due to the multi-hole configuration and curved shape, the project required dimensional accuracy and assembly compatibility that standard products could not meet, but stable shape reproduction was achieved through data processing.
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■Product Features (Material: EPDM Rubber) EPDM (ethylene propylene rubber) is extremely excellent in weather resistance and ozone resistance, making it a rubber that is less prone to deterioration even in outdoor environments exposed to UV rays and rain. It is also resistant to water and chemicals, but it is weak against mineral oils and cannot be used with them. Leveraging its high durability, it is widely used in construction waterproof sheets, window frames, and plumbing gaskets. ■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 spray nozzle according to the processing material, high-quality products can be produced in a short time. Additionally, the dimensional tolerances that were significantly improved by conventional manual processing can achieve stable processing accuracy. The taper of the cutting surface from press processing can also be improved with water jet cutting.
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■Frequently Asked Questions (Q&A) Q1. Can you handle processing of elliptical shapes for tracks? A. We can accommodate processing including oval shapes and multi-hole configurations based on drawing data. Q2. Why is water jet processing suitable? A. Because it allows for contour, inner diameter, and hole processing to be done integrally without using molds. Q3. Can I request small lots? A. We can accommodate from prototypes to small lots. Q4. Can you also accommodate changes in the number and arrangement of holes? A. We can flexibly respond through data modifications. Q5. Can I consult about material selection? A. We provide support for material selection based on usage conditions. ■Daiko's Capability We provide consistent support for rubber and resin parts, including EPDM rubber, from material selection to processing method proposals and shape considerations. Utilizing water jet processing, we can flexibly accommodate prototypes, small lots, and custom projects.
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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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