PRG-DXNC Series

The PRG-DXNC Series represents the integration of Okamoto’s innovative engineering and advanced grinding technology. These CNC rotary grinding machines are designed to maximize productivity while maintaining precise process control. With 2-axis simultaneous CNC control, the system significantly expands grinding flexibility and accuracy. As a result, operators can efficiently manage complex grinding profiles within a single setup. This capability supports both single and multiple workpiece configurations without compromising precision. Consequently, the PRG-DXNC Series is well suited for high-production, tight-tolerance environments. Engineered for efficiency and reliability, these Okamoto CNC rotary grinders establish a high benchmark in rotary grinding performance and operational capability.

 
 
PRG-DXNC Series Features:
  • Rigid heavy Meehanite cast construction for accuracy.
  • Multi-step grinding – grind up to 4 steps in a single set-up.
  • Graphic conversational input simplifies programming.
  • Powerful 10hp grinding spindle motor.
  • No table overhang assures optimum accuracy.
  • Ergonomically designed for optimum operator convenience.
  • Versatile table swivel +/-5 degrees.
Maximum Part Diameter

24", 31.5"

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Description
Rigid Construction for Vibration-Free Accuracy

The PRG-DXNC Series is built with heavy Meehanite cast construction to ensure maximum rigidity and vibration control. This robust structure enhances dimensional stability during demanding grinding cycles. In addition, the design eliminates table overhang to improve accuracy and surface quality in the finished workpiece. As a result, manufacturers achieve consistent geometric precision and superior surface finishes across a wide range of applications.

 

Powerful Spindle Performance

Equipped with a 10 hp grinding spindle motor, the PRG-DXNC Series delivers reliable power for diverse materials and grinding operations. This high-performance spindle maintains consistent torque and speed stability during extended production runs. Consequently, it supports efficient material removal while preserving tight tolerances.

 

Advanced CNC Technology and Multi-Step Efficiency

Beyond its structural advantages, the PRG-DXNC Series integrates advanced CNC rotary grinding technology to streamline operations. The user-friendly graphic conversational input simplifies programming and setup of complex grinding routines. Therefore, operators can maintain productivity with minimal manual intervention. In addition, the system enables multi-step grinding of up to four distinct steps in a single setup. This capability reduces cycle times and increases throughput without compromising precision. The PRG-DXNC Series establishes a new benchmark in CNC rotary grinding performance. Designed for aerospace components, automotive parts, and precision custom applications, it delivers the flexibility, power, and accuracy required for modern high-performance manufacturing environments.

 

Standard Accessories
  • Grinding Wheel
  • Wheel Adapter
  • Diamond Tool with Holder
  • Necessary Tools
  • Leveling Bolts and Base Plates
  • Electro-Magnetic Chuck
  • Chuck Control with Automatic Demagnetizer and variable Hold
  • Chuck Interlock
Optional Accessories
  • Coolant System with Magnetic Separator
  • Coolant System with Magnetic separator and Dust Suction
  • Overhead Wheel Dresser
  • Automatic Oil Temperature Regulator
  • 15 hp Grinding Spindle
  • Grinding Wheel Adapter
  • Grinding Wheel Balancing Stand with Arbor
  • Wheel Balancing Arbor
  • Machine Light

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Additional Information
Maximum Part Diameter

24", 31.5"

PRG-DXNC Series Specifications: 

  • Diameter of Chuck: 24″ to 47.24″*
  • Maximum Dist. under Wheel: 10.8″
  • Rotary Table Speed: 20 ~ 150rpm
  • Grinding Spindle: 10 hp
  • Floor Space (WxDxH): 65″ x 101″ x 102″ / 71″ x 115″ x 102″*
  • Weight: 8,820 / 11,025 lbs*

*Depending on model