REXROTH MSK050C-0300-NN-M1-UG1-NNNN is an AC servo motor from the MSK series manufactured by Bosch Rexroth. This model is widely used in automated production lines and CNC machine tools, and is well known for its high precision and high efficiency.
1. Key Technical Specifications
Model Breakdown
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MSK050C: Belongs to the MSK series. “050” typically indicates the motor’s power class (around 5 kW range for the frame size), and “C” denotes the bearing type (tapered roller bearing).
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0300: Indicates a rated power of 300 W.
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NN: Specifies brushless technology, utilizing a permanent magnet synchronous motor (BLDC).
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M1: Indicates the motor is equipped with an incremental encoder, providing high-speed feedback signals.
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UG1: Means the motor is fitted with an external general wiring box.
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NNNN: Usually represents the internal version or revision code.
Electrical and Mechanical Data
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Rated Power: Approximately 300 W
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Voltage: Typically supports 200 V or 230 V AC power supply (depending on the matched drive)
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Rated Speed: Approximately 3000 RPM
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Feedback Device: Equipped with a high-speed incremental encoder, typically with BISS or SSI interface, providing high-resolution position feedback
2. Main Technical Features
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High-Precision Positioning:
The brushless design combined with a high-resolution incremental encoder enables extremely accurate positioning, typically at the 0.01 mm level. -
Low Inertia:
Due to its relatively low power and high speed, the motor has low inertia, making it suitable for motion control applications requiring fast response. -
Energy Efficient:
Compared with traditional brushed DC motors, the brushless design offers higher efficiency and longer service life. -
High Reliability:
MSK series motors are generally equipped with high-strength bearings and shaft seals, allowing stable long-term operation even in relatively harsh industrial environments.
3. Typical Applications
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CNC Machine Tools:
Used for low-power CNC spindles or feed axes. -
Automated Production Lines:
Suitable for packaging machinery, conveyor systems, and robot joints requiring precise position control. -
Precision Instruments:
Such as drive systems in medical equipment and precision measurement instruments.