Mitsubishi M80 Tool Spindle Motor HG54-D48

🔧 Mitsubishi HG54-D48 – Description

The HG54-D48 (HG54S-D48) is a Mitsubishi Electric HG Series AC servo motor, used mainly for CNC machine tool feed axes and general industrial positioning systems.

It is one of the lower-power HG frame models, designed for light-to-medium axis loads with high precision and smooth motion control.

⚙️ Key Description

• Series: Mitsubishi HG (MELSERVO / CNC servo family)
• Type: AC brushless rotary servo motor
• Encoder: 20-bit absolute encoder (D48 type, ~1,048,576 pulses/rev)
• Application: CNC feed axes (X/Y/Z), automation equipment, positioning systems
• Voltage class: 200 VAC servo system

📊 Electrical & Performance Specs (HG54-D48)

From Mitsubishi HG series specifications:

• Rated output: 0.5 kW
• Rated torque: 1.6 N·m
• Rated speed: 3000 rpm
• Maximum speed: 4000 rpm
• Maximum torque: ~13 N·m
• Motor inertia: ~6.13 ×10⁻⁴ kg·m²

🧩 Mechanical Features

• Frame size: ~90 mm class flange motor
• Protection: IP67 (shaft excluded)
• Design: Medium-inertia servo (more stable under load than HG75/HG105)
• Mounting: Standard CNC servo flange mounting
• Cooling: Natural / forced air depending on machine design

⚙️ Functional Characteristics

• Designed for CNC axis movement (not spindle rotation)
• Optimized for:
  • Stable low-speed torque
  • Smooth interpolation in CNC machining
  • Moderate load ball-screw axes
• Works with Mitsubishi MELSERVO servo amplifiers (MR-J / MDS systems)

🏭 Typical Applications

The HG54-D48 is commonly used in:

• CNC machining center feed axes (X/Y/Z)
• Light industrial automation systems
• Positioning stages and indexing tables
• Small machine tools
• Low-to-medium load servo-driven mechanisms

⚠️ Important Note

• ❌ Not a spindle motor (SJ series is for spindle drive)
• ❌ Not a linear motor (LM series is direct-drive linear axis)
• ✅ It is a rotary servo motor for CNC axis motion control

⚡ Summary

The HG54-D48 is:

• A 0.5 kW Mitsubishi servo motor
• Low-power CNC axis motor
• 20-bit high-resolution feedback system
• Designed for precision positioning with light-to-medium loads