ACC-SA1

OKAMOTO(THAI) ACC-SA1

Machine Lineup  Standard chuck size (LxW)


  • ACC 52SA1    - 500 x 200 (mm.)
  • ACC 63SA1    - 600 x 300 (mm.)
  • ACC 64SA1    - 600 x 400 (mm.)
  • ACC 65SA1    - 600 x 500 (mm.)
  • ACC 84SA1    - 800 x 400 (mm.)
  • ACC 105SA1  - 1000 x 500 (mm.)
    Next Generation Standard Surface Grinder Series equipped with a newly developed user friendly controller.

Features :
  • Best machine for replacement of ACC-DX Series. Ready to use machine, with easy operation.
  • Position teaching system for crossfeed stroke.
  • Compact footprint design.
  • New control allows for easy monitoring of different information and LDC touch screen.
  • Auto dress with compensation is standard.
  • Spindle inverter unit is standard.
  • Auto-Retract function is standard.

ACC-GX

OKAMOTO(THAI) ACC-GX

Machine Lineup  Standard chuck size (LxW)


  • ACC 52GX    - 500 x 200 (mm.)
  • ACC 63GX    - 600 x 300 (mm.)
  • ACC 64GX    - 600 x 400 (mm.)
  • ACC 65GX    - 600 x 500 (mm.)
  • ACC 84GX    - 800 x 400 (mm.)
  • ACC 105GX  - 1000 x 500 (mm.)
    The most popular Standard Surface Grinding Machine in the world ACC-DX Series. The DX Series is succeeded by the GX Series.

Features :
  • Double V Table Ways on both the Longitudinal and Crossfeed axes assures optimum performance ang long term grinding accuracy.
  • Hydraulic and Lubrication Component have been re-located to out-side the machine.
  • Saddle Moving type Grinder allows more space saving.
  • Grinding Wheel Guard using stainless steel material.
  • Allows for less operator involvement by using the hydraulic type Overhead Dresser with auto dress and compensation plus retract function.
  • Achieved 0.1 µm infeed using our own developed control system.
  • The control has convenient features like manual interruption, Quick set-up, precision positioning. Convenient and dependable with long term Reliabilities.

ACC-DX (Colume Traveling Type)

OKAMOTO(THAI) ACC-DX
OKAMOTO(THAI) ACC-DX
OKAMOTO(THAI) ACC-DX

Machine Lineup  Standard chuck size (LxW)


  • ACC 125DX - 1200 x 500 (mm.)
  • ACC 155DX - 1500 x 500 (mm.)
  • ACC 205DX - 2000 x 500 (mm.)
  • ACC 305DX - 3000 x 500 (mm.)
  • ACC 126DX - 1200 x 600 (mm.)
  • ACC 156DX - 1500 x 600 (mm.)
  • ACC 206DX - 2000 x 600 (mm.)
  • ACC 306DX - 3000 x 600 (mm.)
  • ACC 157DX - 1500 x 700 (mm.)
  • ACC 138DX - 1300 x 800 (mm.)
  • ACC 158DX - 1500 x 800 (mm.)
  • ACC 208DX - 2000 x 800 (mm.)
  • ACC 308DX - 3000 x 800 (mm.)
    Optimum to manual grinding of large casting and die/mold plates. Manual operation type large grinding machine integrated with original software. Vertical feed mechanism is AC servo motor feed which enables the minimum increment of 1 µm. Best selling series for flexibly grinding small to large size.

Features :
  • Operator-oriented design that takes advantage of the column type
  • Lubrication to guideways are by the free-fall automatic lubrication system.
  • Hydraulic tank unit equipped with automatic oil temperature regulator suitable for the series is provided as a standard accessory. It supplies temperature controlled lubrication oil to all slideways.
  • Wheel dimension drawing for 100 width (OP)

ACC-CA-iQ

OKAMOTO(THAI) ACC-CA-iQ
OKAMOTO(THAI) ACC-CA-iQ

Machine Lineup  Standard chuck size (LxW)


  • ACC 63CA-iQ    - 600 x 300 (mm.)
  • ACC 64CA-iQ    - 600 x 400 (mm.)
  • ACC 84CA-iQ    - 800 x 400 (mm.)
  • ACC 104CA-iQ  - 1000 x 400 (mm.)
  • ACC 66CA-iQ    - 600 x 600 (mm.)
  • ACC 106CA-iQ  - 1000 x 600 (mm.)
    Grinding and dressing conditions are automatically calculated by using Okamoto's original iQ software.

Features :
  • Semi-closed cover to provide safety and to prepare the grinding environment.
  • Text-free interactive screen which can be set easily with the touch panel.
  • Simple surface, groove, pitch, steps and side grinding cycles are achievable.
  • Just be entering total and fine grinding allowance, and then, wheel grain size, the optimum grinding and dressing conditions are automatically calculated.

ACC-CH-iQ

OKAMOTO(THAI) ACC-CH-iQ

Machine Lineup  Standard chuck size (LxW)


  • ACC 158CH-iQ - 1500 x 800 (mm.)
  • ACC 208CH-iQ - 2000 x 800 (mm.)
  • ACC 308CH-iQ - 3000 x 800 (mm.)
  • ACC 408CH-iQ - 4000 x 800 (mm.)
    Industry-leading double column grinding machine series towards a new era of high efficiency and automation for large grinding machines.

Features :
  • Large size grinding machines could achieve high rigidity and precision with the double column structure.
  • Globalization of production is realized with the text-free interactive iQ software.
  • It supports the beginner operators with the functions to automatically calculating the grinding & dressing conditions.
  • The factory is kept clean by adopting the slide cover over the open-top cover.
  • Text-free user-friendly interactive iQ software is installed. The operation is simple for the data input completes by touching only 2 pages.
  • The machine footprint is the same level with the conventional column series. With the high rigidity of the double column type, it contributes the improved productivity.

PRG-DX

OKAMOTO(THAI) PRG-DX

Machine Lineup


  • PRG 6DX
  • PRG 8DX
    Rotary Surface Grinding Machines have more than twice the productivity compared to reciprocating surface grinding machines. Achieving better stability & higher accuracy due to the highly rigid construction, we can control infeeds as low as 0.1 µm.

Features :
  • Equipped with automatic cycle function of "coarse grinding -> fine grinding -> spark-out -> stop at workpiece peripheral end"
  • The stoke limits of the outer and inner peripheral ends of the workpiece is set by jog feed teaching positions.
  • Minimum vertical feed setting increment is 0.1 µm.
  • Double-Column structure is used to maintains high rigidity and machine accuracy.
  • Efficiency is established by the manual interruption function during the automatic cycle.

PRG-DXNC

OKAMOTO(THAI) PRG-DXNC

Machine Lineup  


  • PRG 6DXNC
  • PRG 8DXNC
  • PRG 10DXNC
  • PRG 12DXNC
    CNC Precision Rotary Surface Grinding Machine Series Exert preeminent power in high-quality processing from the single item to mass-produced products

Features :
  • Fully featured graphical interactive software supports automatic dressing during grinding cycle.
  • Up to 4 steps can be ground using the graphic interactive software, between either traverse or plunge grinding cycles.
  • Automation ready for high productivity in combination with measuring devices such as touch probe.
  • Variable feed speed function controls the grinding amount, keeping it constant regardless of the position of the wheel over the rotary table.

VRG-DX

OKAMOTO(THAI) VRG-DX

Machine Lineup


  • VRG 6DX
  • VRG 10DX
    User friendly, high rigidity, highly productive new vertical rotary grinding machine VRG-DX Series.

Features :
  • High-efficiency and high-rigidity rotary grinding machine equipped with vertical wheel spindle.
  • 3-point support column structure for easy adjustment. The combination of made-in-house highly rigid column and bed allows you to maintain high precision for a long operating time.
  • Okamoto original FX controller can prevent operational mistake with minimum number of intuitive operations.
  • Fully enclosed cover for safety and regulatory factory requirement.
  • Ideal for grinding brittle materials such as glass/ceramics as well as metals.