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PLUNGE CNC CYLINDRICAL GRINDER

The grinding wheel spindle designs by high rigidity, low temperature raise and non-contact hydro-static bearing which makes accuracy less than 0.001 mm.
Spindle Head :
  • Spindle head is driven by servo motor which provides variable speed change.
  • Both fixed type and non fixed type spindles are available to meet various applications.
  • Optional I.D. grinding wheel provides more flexible applications.
Plunge Grinding Examples
The wheel spindle can be quickly set up for plunge grinding.
Machine Specifications
CAPACITY GRU-2040 GRU-2060
Distance between centers 410 mm 610 mm
Max. swing over table Ø 200 mm
Max. load between centers 80 kg
Max. external grinding diameter Ø 190 mm
Roundness 0.8 μm
Machine positioning accuracy 1 μm
WHEEL SPINDLE
Swivel angle ± 30°
Wheel O.D. x width x I.D. Ø 405 x Max. 80 x Ø 127 mm
Wheel spindle travel 180 mm
Min. setting unit 0.001 mm
Max. rapid traverse speed 8 m/min.
Grinding feed rate 0.001 - 6,000 mm/min.
WORK TABLE
Swivel angle -3˚ ~ +12˚
Max. travel 420 mm 620 mm
Max. rapid traverse speed 10 m/min.
Min. setting unit 0.001 mm
Grinding feed rate 0.001 - 8,000 mm/min.
WORK-PIECE SPINDLE
Spindle motor Servo Motor
Swivel angle +90˚ ~ -30˚
Center taper MT#3
TAILSTOCK
Travel 25 mm
Center taper MT#3
MOTOR
Axes drive motor X-axis 1 kW
Z-axis 1.5 kW
Wheel spindle motor 5 HP
Work-piece spindle servo motor 0.75 kW
Hydraulic pump 1 HP
Coolant pump 1/4 HP
GENERAL
Dimensions 2,820 x 2,065 x 1,860 mm 3,020 x 2,065 x 1,860 mm
Net weight 3,500 kg 3,800 kg

Specifications are subject to change without notice.