Working disc diameter: standardφ254mm（optionalφ230mm, φ203mm）with magnetic switchboard system
Rotate speed: 50-1000r/min The forward and backward rotation can be switched
Three level constant speeds:V1=300r/min V2=500r/min V3=800r/min，can customize it
Grinding head speed: 30-200r/min
Smaple holder: Standard φ30mm 6 pcs（optional φ40-φ50mm 3 pcs，others can be customized）
Autiomatic mode: Can be programmed eight speed, running time and grinding wheel steering switch。
Smaple quantity: standard 6pcs of φ30
Working air source pressure range: Not less than 0.6MPa
Sample pressure range: suggestion:0.2-0.3MP
Input voltage: AC220V，50/60Hz
Motor power: 0.75Kw
Dimension: 760 x 730 x 700
Weight: 74kg
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