Grinding and polishing technology for superhard alloys and ceramics. Achieving quality precision down to 10 nm (nanometers)!
Our fine and precision machining technology, "Nano Grind," is a grinding technique that uses diamond grinding wheels and diamond powder to achieve high precision and miniaturization of hard-to-machine materials such as cemented carbide, ceramics, and diamond (PCD). Our high-precision and micro-diameter machining technology is at the top level in the industry. Among these, we have achieved extremely high machining accuracy in the key quality standards of our products, including "outer diameter accuracy," "roundness," and "surface roughness," with proven results down to 0.00001 mm (sub-micron), and we are currently achieving a grinding accuracy of 0.000001 mm (10 nanometers), which is one rank higher. For more details, please contact us or download the catalog.
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【Specific Examples】 ○ Ultra-hard micron pins. → These are ultra-hard fine wires with a diameter of 0.05 to 0.09 mm, finer than a human hair, and a length of 300 mm, finely ground. They are essential tools for the fuel injection nozzles in automotive fuel injection systems. ○ Operating pins for manipulator devices. → The tip of the pin is finished to dimensions of less than 0.001 mm. ○ Quantitative pump shafts for artificial dialysis and home fuel cells (Enefarm). → The surface of the shaft is finished to a roughness of less than 50 nanometers. ○ Precision nozzles for LEDs. → Currently, we can accommodate holes with a minimum diameter of φ0.08 mm. This has been achieved by merging our grinding technology with fine hole processing technology. ○ Samples of fine hole processing. → Various diamond products. The diamond work rests and diamond V rests are the first products developed in the industry. → We have expertise in the technology of grinding diamond with diamond. ● For more details, please contact us or download the catalog.
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Our company supplies products in the form of pins and shafts made from materials such as cemented carbide and fine ceramics to major tool manufacturers, electronic component manufacturers, and automotive parts manufacturers. Additionally, we manufacture and sell PCD (polycrystalline diamond) wear-resistant tools developed in response to our internal needs. Features of Sanwa Creation: - Micro precision machining: Minimum outer diameter of φ0.01, outer diameter tolerance of ±0.0001, roundness of 0.0001 (unit: mm) - Machining capacity: Currently accepting orders from a minimum lot of 1 piece to tens of thousands of pieces on a monthly basis - Material procurement: Direct procurement of materials is possible from almost all domestic cemented carbide manufacturers. We can also procure materials from European manufacturers and Asian manufacturers in Taiwan, China, and South Korea. We can handle everything from material procurement to processing for fine ceramics as well. - Processed materials: Cemented carbide, zirconia, alumina, silicon nitride, silicon carbide, SIC, SKH51, SUS, SKD, titanium, nickel titanium, ferro-titanium, polycrystalline silicon, etc. - Inspection guarantee system: ISO 9001 certified, calibration certificates for measuring instruments can be issued upon request.