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series picture (move under Global)

NVG Series

CNC Vertical Deep-Hole Grinding Machine

Highlights
  • Easy setup and high accuracy of deep-hole ID enabled by the vertical structure
  • Optimal solution for parts such as hydraulic breaker cylinder for construction machinery
Control & software
  • FANUC 32i MODEL B
Technical data
Swing diameter
45.3 in.
Max. grinding diameter
45.3 in.
Max. workpiece height
51.2 in.
Max. grinding length
47.2 in.
Max. rotational speed of the working spindle
200 rpm
Max. rotational speed of the grinding spindle
6,000 rpm
Swing diameter
Max. grinding diameter
Max. workpiece height
Max. grinding length
Max. rotational speed of the working spindle
Max. rotational speed of the grinding spindle
product teaser picture
NVG-7LH
29.5 in.
29.5 in.
43.3 in.
39.4 in.
200 rpm
6,000 rpm
Details
product teaser picture
NVG-12LH
45.3 in.
45.3 in.
51.2 in.
47.2 in.
90 rpm
6,000 rpm
Details

CNC Vertical Deep-Hole Grinding Machine

This is a special model dedicated to deep hole grinding. The vertical structure allows easy setup of long workpiece incl. quick centering and less deformation, and enables accuracy improvement in ID roundness, concentricity, cylindricity, surface roughness, etc.
It provides the optimal solution for major parts of construction machinery; a typical example is hydraulic breaker cylinder for rock breaker. The piston inside of the cylinder moves up and down by hydraulic pressure, where the accuracy of cylinder ID directly affects the smooth piston movement and boosts the power of the rock breaker.

For more information on Taiyo Koki please visit www.taiyokoki.com.

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