Used DISKUS DDS 457R #9205250 for sale

ID: 9205250
Vintage: 1979
Double surface grinder Work piece diameter: 5-50 mm Maximum work piece height: 1-70 mm Arrangement: Bilateral IONICS Measuring instrument Grinding wheel: Outside diameter: 457 mm Inside diameter: 76.2 mm Width / Height: 75 mm Grinding wheel speeds: 251-1,254 RPM, 6-30 m/s Work piece driving plate speed: 21.8-215 RPM Grinding motor power: 2 x 30 kW Total installed power: 35 kW Power: 380 Volt 1979 vintage.
DISKUS DDS 457R is an automated wafer grinding, lapping and polishing equipment designed for optimal production in surface finishing processes. It is suitable for use in a wide range of industries, including medical device manufacturing, semiconductor fabrication, and automotive component production. The 457R utilizes precision grinding and polishing discs to produce a uniform and high quality finish on a variety of surfaces, including silicon, glass, and sapphire. The 457R is a fully automated system that can process up to 450 four or six-inch wafers per hour. The unit features an integrated three-stage (grind, lap, and polish) process, automated recipe-driven operation, and an intuitive PLC touchscreen interface. The grinding machine uses a diamond-imbued grinding/lapping disc to securely attach to the wafer surface and disperse grinding action over the entire surface. The lap disc is then employed to further refine the surface finish, removing any residual scratches or irregular patterns. Finally, the polishing disc is used to produce a mirror-like finish on the wafer surface. The 457R is constructed with a rigid frame to minimize vibration during the grinding and polishing process, while abrasion-resistant stainless steel ensures an outstanding level of durability and reliability. The tool also features integrated safety features such as lid and access doors that ensure workplace safety is never compromised. For enhanced operator convenience, DDS 457R can be fitted with optional features such as spindles for fixtures, dust collectors, and loading systems. DISKUS DDS 457R is an ideal choice for industries requiring a fast and efficient grinding, lapping, and polishing asset. The 457R's superior surface finish quality, flawless accuracy, unmatched speed, and optimized grinding and polishing process make it the ideal choice for large-scale production.
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