Mitsubishi M80 Spindle Motor 200V SJ-D22/80-01

SJ-D22/80-01 is a Mitsubishi Electric SJ-D series AC spindle motor, used in CNC machine tools to drive the main spindle (cutting tool rotation).

This is a high-power spindle motor class (22 kW) designed for heavy-duty machining.

🔧 Key specifications (SJ-D22/80-01)

(Source: Mitsubishi spindle motor specification tables)

⚙️ What it is used for

This motor drives CNC spindles for:

• heavy milling and rough machining
• large material removal operations
• high torque cutting at low speeds
• industrial machining centers

Typical machines:

• large vertical machining centers
• horizontal machining centers
• heavy-duty CNC production machines

🧠 Code breakdown

• SJ-D → spindle motor series
• 22 → power class (22 kW capability)
• /80 → compact high-torque frame design
• -01 → design / construction variant

📐 Typical characteristics

• High torque density (strong cutting force in compact frame)
• Designed for stable low-speed cutting (rough machining)
• Precision-balanced rotor for vibration control
• Built for continuous industrial duty (S1)
• Often paired with Mitsubishi MDS spindle drive systems

⚠️ Important notes

• Not a servo motor (no axis positioning function)
• Not a linear motor
• Requires Mitsubishi spindle drive unit (MDS series)
• Cooling and lubrication are critical due to high thermal load

🧠 Simple explanation

SJ-D22/80-01 is a 22 kW CNC spindle motor designed for heavy-duty cutting, delivering high torque in a compact /80 frame for industrial machining centers.