Okamoto Grind-X GNX-300P Grinder

Okamoto Grind-X GNX-300P Grinder (Vintage : 2001, condition : No Missing, but No polisher) This unit is located in Asia and is stored in Warehouse. This unit was in working condition before de-install. Configuration: Wafer diameter: 8" and 12" Grinding mode: Continuous down feed Grinding spindle: 2 axes Rotation speed: 3,000 rpm maximum Bearing: air bearing Motor: 5.5 kW built-in motor Cooling method: water-cooled Maximum vertical stroke: 4" Vertical fast-grind speed: 8" per minute Grinding speed: 1 to 999 um per minute Grinder diameter: 12" Grinding resistance reading: monitoring current, output to CRT Horizontal angle adjustment: manual Maximum radial load capacity: 30 kgf Maximum axial load capacity: 150 kgf Air consumption: 20 L per minute x 2 Index table: Number of vacuum chucks: (3) Vacuum chuck material: porous ceramic Vacuum chuck rotation motor: 1.0 kW AC servo motor x 3 Vacuum chuck rotation speed: 400 rpm maximum Chuck bearing: air bearing Maximum radial load capacity: 30 kgf Maximum axial load capacity: 150 kgf Air consumption: 36 L per minute x 3 Auto measuring device: Wafer thickness measurement method: Two-point in-process gauge Wafer thickness setting method: final Wafer thickness displaying range: 1.8 mm Table cleaning unit: Cleaning method: water and ceramic ring Wafer cleaning unit: Cleaning method: water and brush Operation panel: Display method: 15" TFT color touch panel Power supply: Input power: 200V +/- 10%, 3 phase, 50 / 60 Hz Power consumption: 20 kVA Grounding: ground resistance JIS type 3 100 ohms or lower Air supply: Consumption: 160 NL per minute Pressure: 0.49 to 0.78 MPa Dew point: -15°C or lower Oil removal rate: 0.1 PPM W / W Grinding water Water used: DI water Pressure: 0.34 to 0.49 MPa Flow rate: 10 L per wafer Cooling water for vacuum pumps and spindles: Water used: city water Pressure: 0.19 to 0.49 MPa Flow rate: 10 NL per minute Mist separator duct / general exhaust: Exhaust rate: 2 m^3 per minute Connection: duct hose, 4" outer diameter Vacuum pump duct / general exhaust: Exhaust rate: 75/90 m^3 / h, 50 / 60 Hz Connection: duct hose, 4" outer diameter [av_contact email='gerard@tarasemi.com' title='Request a Formal Quote' button='Send' on_send='' sent='Your message has been sent!' link='manually,http://' subject='' autorespond='' captcha='' color=''] [av_contact_field label='Name' type='text' options='' check='is_empty' width=''][/av_contact_field] [av_contact_field label='E-Mail' type='text' options='' check='is_email' width=''][/av_contact_field] [av_contact_field label='Subject' type='text' options='' check='is_empty' width=''][/av_contact_field] [av_contact_field label='Message' type='textarea' options='' check='is_empty' width=''][/av_contact_field] [/av_contact] Tarasemi  are a Leading supplier of used Semiconductor Equipment, Surface Mount equipment, ATE equipment, Scientific and Laboratory equipment. We can supply used semiconductor equipment in excellent working condition including refurbishment and installation. We can offer you a turnkey solution at competitive prices. We also have a large inventory of Spare parts; we can source obsolete and difficult to source parts and offer second source parts. Follow us on   Twitter Like us on  Facebook Sign up for our mailing list here to get updates on our latest semiconductor equipment offerings