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TOMBO No. 1995 Square Type C Gasket Processing Example

Achieving high-precision contour processing with water jet machining.

Processing Case Overview Product Name: Square C-Type Gasket Dimensions: 80W × 100L Drawing Number: TD0030947B This case involves the processing of a square C-type gasket using TOMBO No.1995 (3t). The shape includes a central hole and bolt holes, requiring a balance between external dimensions and hole position accuracy. It is used as a sealing component for industrial equipment, and the square C-type specification aims to prevent positional displacement during assembly and improve work efficiency. By adopting water jet processing, we achieved a short delivery time without the need for molds, ensuring stable dimensional reproducibility and uniform cutting surface quality.

basic information

Product Features (TOMBO No. 1995) TOMBO No. 1995 is a general-purpose joint sheet made by blending inorganic fibers and aramid fibers with oil-resistant rubber (NBR). It is compatible with fluids such as water, oil, and brine, and excels in the balance of workability, sealing properties, and flexibility. It is commonly used as a gasket for piping flanges and equipment in various factories across many fields. 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 that are typically achieved through manual processing are significantly 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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Applications/Examples of results

Q&A Q1. Can you accommodate the specified rectangular shape in the drawings? A. We can process it accurately based on CAD data. We ensure stable quality even for complex shapes. Q2. Can you handle small quantity production? A. We can accommodate prototypes starting from one piece. It is also suitable for evaluation before mass production. Q3. Is it possible to propose changes to other materials? A. We will suggest the optimal material selection based on the fluid used and temperature conditions. Daiko's Capability Daiko can provide consistent support from material selection to processing method proposals and shape considerations. We flexibly accommodate prototypes, small lots, and custom shapes, offering optimal specifications based on application conditions.

Examples of processing for corner type C gaskets.

TECHNICAL

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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.'