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120HY42Q6
Internal Grinding & Milling Spindles
HOYO HOYO
Technical Datasheet
General view
120HY42Q6 motorised spindle

Ratings

Rated speed
42,000 rpm
Rated power
6 kW (S1)
Rated torque
1.3 N·m
Rated frequency
700 Hz
Rated voltage
380 V
Rated current
11 A
Motor
Asynchronous, 2-pole
Lubrication
Oil-air
Cooling
Closed-loop water (or oil)
Sealing
Mechanical seal with positive pressure
Mounting
Horizontal
Temperature sensor
PTC-130
Encoder
None

Precision

Face runout
≤ 1 μm
Radial runout
≤ 2 μm
Vibration severity
N max below 0.6 mm/s

Bearings & shaft end

Front
7007C / P4 ×2
Rear
7006C / P4 ×2
Shaft diameter
Ø12 +0.006 / +0.002
Thread
M12×1.5

Connections

  • Power supply
  • Cooling ports ×2
  • Front oil feed
  • Rear oil feed
  • Oil drain

Dimensions (mm)

Body diameter
Ø120 0 / −0.02
Flange diameter
Ø90
Nose diameter
Ø33
Overall length
298
Body length
278
Nose projection
20
Register length
19
Flange thickness
14

Characteristic curves

Power / speed
6.720 048,000 rpm kW
Torque / speed
1.460 048,000 rpm N·m