Description
⚙️ Key Description
- Series: Mitsubishi HG (MELSERVO)
- Type: AC brushless rotary servo motor
- Model family: HG46 (small frame size)
- Encoder: 20-bit absolute encoder (D47 type)
- Application: CNC feed axis (X/Y/Z), small automation machines, positioning systems
📊 Electrical & Performance Specs
- Rated output: 0.4 kW
- Rated torque: 0.64 N·m
- Rated speed: 3000 rpm
- Maximum speed: up to 6000 rpm
- Rated current: ~1.3–1.4 A
- Maximum torque: ~2.5 N·m
🧩 Mechanical Details
- Frame size: 60 mm class (compact servo)
- Flange mounting: ~60 × 60 mm class
- Encoder resolution: 1,048,576 pulses/rev (20-bit)
- Protection class: IP67 (shaft excluded)
- Motor inertia: very low (~0.234 ×10⁻⁴ kg·m²)
⚙️ Functional Characteristics
- Designed for precise positioning and fast response
- Works in closed-loop CNC servo systems
- Provides:
- High accuracy motion control
- Smooth low-speed operation
- Fast acceleration/deceleration
🏭 Typical Applications
The HG46-D47 is commonly used in:
- CNC machine feed axes (X/Y/Z motion)
- Small machining centers
- Automation equipment
- Indexing / positioning systems
- Light-duty industrial robotics
⚠️ Important Note
This is NOT a spindle motor (unlike SJ or LM series).
It is a rotary axis servo motor used to move machine parts, typically through:
- Ball screw systems
- Linear guides
- Gear reduction systems
⚡ Summary
The HG46-D47 is a:
- Compact 0.4 kW servo motor
- High-precision 20-bit encoder system
- Designed for CNC axis movement (not cutting spindle power)
- Focused on accuracy, positioning, and responsiveness