CHIWON VG-400 CNC Vertical Grinding Machine

Product Overview Precision vertical grinder for gears, bearings, and shaft sleeves. Completes internal/external/face grinding in single clamping. Optimized for batch production of gear discs and bearing rings (≤Ø400mm). Complete

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Product Overview
Precision vertical grinder for gears, bearings, and shaft sleeves. Completes internal/external/face grinding in single clamping. Optimized for batch production of gear discs and bearing rings (≤Ø400mm).
Complete Technical Specifications
Category Parameter Unit Value
Work Table Table Size mm -
Load Capacity kg 200
Travel Left Cross Slide Travel (X1) mm 600
Right Cross Slide Travel (X2) mm 600
Left Grinding Head Travel (Z1) mm 420
Right Grinding Head Travel (Z2) mm 420
Capacity Max. Grinding Bore Diameter mm Φ50-350
Max. Grinding Depth mm 300
Max. Grinding OD mm Φ400
Max. Workpiece Swing Diameter mm Φ400
Spindle Spindle Speed Range rpm 10-300
Feed Rate X1/X2 Rapid Feed m/min 6
Z1/Z2 Rapid Feed m/min 6
Precision Roundness mm 0.0015
Cylindricity mm 0.0025
Concentricity mm 0.004
Perpendicularity mm 0.004
Surface Roughness μm Ra 0.32
General Total Power kW 55
Machine Dimensions (L×W×H) mm 2600×2350×2800
Machine Weight kg 8,500
Control System Siemens 828D
Competitive Attributes
4-Axis CNC ControlSiemens 828D system for ID/OD/taper/face grinding in single setup
Dual Grinding Head ConfigurationsOptions: Dual vertical heads or vertical + horizontal end grinding headStepless speed regulation via frequency control
Premium Japanese GuidewaysTHK roller guides + precision ball screws
Hydraulic Z-Axis BalanceCounterweight system for smooth vertical movement
Automation-Ready FixturesCompatible with pneumatic gear fixtures, 3/4-jaw chucks, magnetic chucks
Coolant Filtration SystemMagnetic + paper precision filtration
Configuration Notice
All configurations are standard. Custom modifications may incur additional charges. Written consent required for special requests.