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Followers 7091Followers
ManufacturerDMG MORI Global Marketing GmbH
Product group Grinding centres
Product NameNVG-12LH
Technical Data
Workspace
Max. Workpiece height1300 mm
Swing diameter1150 mm
Max. Grinding diameter1150 mm
Maximum grinding length1200 mm
Machine characteristics
Maximum working spindle speed90 min⁻¹
Maximum grinding spindle speed6000 min⁻¹
Machine control
Control optionsFanuc
Special model dedicated to deep hole grinding
Special model dedicated to deep hole grinding
Special model dedicated to deep hole grinding
- Deep hole spindle is equipped as standard for grinding long workpiece up to ø1,150mm(45.2in) x H1,300mm(51.1in).
- A variety of deep hole spindle is available to meet customer's demands.
- Setup work that doesn't go against the gravity allows you to perform centering much more easily and safely.
- In addition to grinding without being affected by gravity, easy delivery of coolant to the grinding point also contributes to accuracy improvement of deep-hole ID such as roundness, concentricity, cylindricity, surface roughness, etc.
- 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.
- 0.1µm-scale feedback control is equipped on both X and Z-axis, which eliminates accuracy errors caused by elongation of ball screws. Also, there is an air gap between the bed and the oil pan to avoid heat effect from the coolant to the bed.
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