PRODUCT DESCRIPTION
OKUMA MDUH-45-444-M - AC Spindle Motor
The OKUMA MDUH-45-444-M is a three-phase AC spindle motor engineered for high-precision, high-speed rotational applications within industrial machine tools. This component provides the primary drive for cutting operations, integrating seamlessly with OKUMA OSP control systems and associated servo drives to deliver precise speed and torque control essential for CNC machining centers, lathes, and grinding machines. Its design prioritizes dynamic performance and operational stability under continuous industrial loads.
Technical Specifications:
- SERIES/FAMILY: MDUH Series
- COMPONENT TYPE: AC Spindle Motor
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 200VAC Class (3-Phase)
- CONTINUOUS OUTPUT POWER: 4.5 kW (6.0 HP)
- PEAK OUTPUT POWER: Variable, dependent on drive and duty cycle
- FREQUENCY: Variable, driven by VFD
- MECHANICAL/PHYSICAL:
- CONTINUOUS TORQUE: Specific to winding configuration, typically 28.6 Nm at base speed
- MAXIMUM ROTATIONAL SPEED: Up to 12,000 RPM (dependent on winding '444')
- SHAFT TYPE: Tapered, designed for direct tool holder or chuck mounting
- FRAME SIZE: Industrial standard, flange-mounted
- COOLING METHOD: Forced air cooling (fan-cooled)
- INTERFACE/CONTROL:
- FEEDBACK DEVICE: Integrated absolute encoder for precise position and speed feedback
- COMMUNICATION PROTOCOL: Proprietary interface for OKUMA VAC series drives and OSP controls
- I/O: Dedicated connections for motor power and feedback
- ENVIRONMENTAL/MOUNTING:
- INGRESS PROTECTION (IP) RATING: IP54 (Dust protected, splash resistant)
- MOUNTING STYLE: Flange mount
- OPERATING TEMPERATURE: 0 to 40 degrees Celsius (typical)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: OKUMA CNC Machining Centers, Lathes, Grinding Machines
- SPECIFIC MACHINE TYPES: High-speed milling, turning, and drilling applications requiring precise spindle control
- DRIVE COMPATIBILITY: Designed for use with OKUMA VAC series spindle drives