Okamoto Machine Tool Works Ltd. Japan has been the leading manufacturer of high value grinding machines and associated equipment since 1926.

Today Okamoto produce verh high accurate surface grinders, cyclindirical grinders , internal grinders and rotary tavle grinding machines.


Technical Specifications

Stone shaft Standard (kW) 4,2
Spindle (kW) 1,8
Wheelbarrow infeed (kW) 1,2
Wheelbarrow vehicle (kW) 1,2
Voltage (v / hz) 400/50
Hole grinding capacity (mm) 6 - 100
Max. 80
Spindle to spindle max. -
Turning diameter (mm) 600
Diameter of turning mirror (mm) 260
Max. 70
Machine area (mm) 2525x2010
Machine height (mm) 1800
Machine weight (kg) 2400
Pivot angle -5° to +15°
Spindle hole diameter (mm) 42
Spindle speed (rpm) 100 - 850
Belt spindle (Clockwise)
Standard (rpm) 10,000 /20,000
Alternative (rpm) 30,000 - 60,000
X Axis travel (mm) 300
Z Axis travel (mm) 500
Table speed (mm / min) 0.1 - 10.000
Min. 0,0001


Standard accessories
 Sample quill and Grinding wheel for OH-20G
 Cartridge Type Grinding wheel spindle(High Frequency Type) OH-10MB (10.000rpm) & OH-20MB (20.000rpm)
 High frequency Spindle Inverter
 Variable speed control of workhead
 Graphical software for Grinding cycle
 FANUC 0i Model D CNC (2-axis, 2-axes simultaneous)
 10.4 inch Colour touch panel display
 Standard cycles for plunge, traverse, and face grinding.
 Full Fanuc Keyboard with tool nose radius compensation function for ISO G-Code programmes
 Manual Pulse Generator(x0.1/x1/x10 graduation)
 Fully enclosed cover with interlocked sliding door
 Oil Mist lube system
 Working light (LED type)
 Coolant supply to work spindle & workpiece
 Automatic lubrication system at machine running
 Dressing unit (sliding down type)
 Levelling bolt & Plate for machine
 Necessary tools with a steel box
 Operation manual & test report