Mitsubishi M80 Servo Motor SJ-4-V37-04ZT
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Mitsubishi M80 Servo Motor SJ-4-V37-04ZT

Mitsubishi M80 Servo Motor SJ-4-V37-04ZT

JJAutomationSKU: SJ-4-V37-04ZT
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Description


The Mitsubishi SJ-4-V37-04ZT is a high-power AC spindle motor (30 kW class) from the SJ-4-V series, used in large CNC machine tool spindle systems such as heavy milling and turning centers.

Key Specifications (SJ-4-V37-04ZT)

Specification Value
Series SJ-4-V Series
Motor Type AC Spindle Motor
Rated Output 30 kW (continuous)
Short-Time Output 37 kW (30-minute rating)
Acceleration Output 37 kW standard, ~44.4 kW peak
Base Speed 1150 rpm
Maximum Speed 6000 rpm
Continuous Torque 249 N·m
Continuous Current 79 A
Frame Size B180
Flange Size 320 SQ
Shaft Diameter 60 mm
Inertia 0.34 kg·m²
Mass ~300 kg
Protection Class IP44
Cooling Self-cooled
Drive Compatibility Mitsubishi MDS-D / MDS-DH spindle amplifiers

📌 Sources: Mitsubishi Electric SJ-4-V series specification tables and CNC spindle motor manuals

Features

  • Designed for CNC spindle operation (not servo axis motor)
  • High power class (37 kW short-time output) for heavy machining
  • Very high torque (~249 N·m) for large cutting loads
  • Stable low-speed cutting performance (1150 rpm base speed)
  • Built-in encoder feedback for precise spindle control
  • Heavy-duty B180 frame for large machine tools

Typical Applications

  • Large CNC machining centers
  • Heavy-duty milling machines
  • CNC boring and turning machines
  • Metal cutting and forming systems
  • Industrial high-load production lines

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