Description
The Mitsubishi MDS-EH-SP-160 is a high-power CNC spindle drive unit (AC spindle amplifier) from the MDS-EH series, designed for large industrial CNC machine tools and high-torque spindle applications.
🔧 Description
- Product type: CNC spindle drive / spindle amplifier
- Series: MDS-EH
- Model: MDS-EH-SP-160
- Manufacturer: Mitsubishi Electric
- Function: Controls spindle motor speed, torque, orientation, rigid tapping, and acceleration/deceleration
- Application: CNC machining centers, heavy lathes, gantry machines, milling systems, and production machining lines
- Control method: Digital vector spindle control with sine-wave PWM output
- Cooling: Forced-air cooling
- Protection: IP20 (cabinet-mounted industrial use)
⚙️ Main Specifications
- Drive type: Single spindle amplifier
- Current class: 160A high-capacity spindle drive
- System voltage:
- DC bus input: ~513–648V DC
- Control power: 380–480V AC, 50/60Hz
- Output: Variable-frequency 3-phase AC spindle motor control
- Frequency range: High-speed spindle operation support (up to hundreds of Hz depending on motor/system configuration)
- Feedback support:
- Spindle encoder
- Orientation control
- Rigid tapping synchronization
- Motor compatibility:
- Induction spindle motors
- Permanent magnet spindle motors
The SP-160 belongs to the heavy-duty spindle class within Mitsubishi’s MDS-EH spindle family.
🏭 Typical Applications
- Large CNC machining centers
- Heavy-duty milling machines
- High-power turning centers
- Gantry machining systems
- Continuous industrial production machines
- High-inertia spindle applications
📌 Main Features
- High-speed vector spindle control
- Rigid tapping / synchronized tapping
- Spindle orientation control
- Constant surface speed control
- High torque at low speed
- Optical high-speed CNC communication
- Integrated diagnostics and protection functions
📊 Position in SP Series
- SP-20 → light spindle systems
- SP-40 → medium spindle systems
- SP-80 → high-power spindle systems
- SP-100 → heavy-duty spindle systems
- SP-160 → very high-power industrial spindle systems
- SP-200+ → ultra-heavy spindle applications

