What Is the Mitsubishi HG-KR23BJ?
Struggling with positioning errors in high-speed automation? The Mitsubishi HG-KR23BJ brushless servo motor delivers the precision and reliability you need. Part of the HG Series, this 200W motor operates at 200VAC and features a straight shaft design for straightforward installation. Its 22-bit absolute encoder provides exact positional feedback, eliminating drift and reducing downtime.
Key Technical Specifications
The HG-KR23BJ is built for demanding industrial tasks. Here are its critical parameters:
- Rated Output: 200W – ideal for light to medium load applications.
- Rated Rotational Speed: 3000 rpm – enables rapid acceleration and deceleration.
- Rated Torque: 0.64 Nm nominal – provides consistent force under load.
- Rated Current: 1.3A with a maximum peak current of 4.6A – handles transient loads effectively.
- Encoder: 22-bit absolute encoder – ensures high-resolution position tracking without homing routines.
- Protection Class: IP65 – resists dust and water ingress, suitable for harsh environments.
- Inertia: Low inertia design – optimizes dynamic response for quick direction changes.
- Electromagnetic Brake: Included – enhances safety by holding the shaft when power is off.
Real-World Applications
Packaging Machinery: The HG-KR23BJ’s low inertia and 3000 rpm speed enable precise indexing and rapid start/stop cycles, reducing waste and improving throughput.
CNC Routing: With its 22-bit absolute encoder, this motor maintains accurate position even after power loss, eliminating re-homing delays and boosting productivity.
Robotics: The integrated electromagnetic brake and IP65 rating make it a reliable choice for articulated arms in dusty or wet environments.
Installation & Setup Guidance
Mount the HG-KR23BJ using its straight shaft and standard flange. Ensure the drive system matches the 200VAC voltage class and supports absolute encoder feedback. Connect the encoder cable carefully to avoid signal noise. Verify that the electromagnetic brake wiring is correctly integrated with your safety circuit. Always follow the manufacturer’s manual for torque specifications on mounting bolts.
Maintenance & Reliability
To maximize uptime, inspect the motor periodically for dust buildup on the shaft seal and cooling fins. Check the encoder cable for wear or damage. The IP65 enclosure protects against contaminants, but routine cleaning of the exterior with a dry cloth is recommended. The electromagnetic brake requires no internal maintenance; verify its operation during regular system tests.
Selection Guide & Purchasing Advice
Before ordering the HG-KR23BJ, confirm your drive amplifier’s compatibility with 22-bit absolute encoders and 200VAC motors. Verify that the rated torque and inertia match your load requirements. SpareTechPLC stocks this model and can advise on availability and lifecycle status. Contact us to ensure the right fit for your application.
Frequently Asked Questions
Q1: Does the HG-KR23BJ require a separate encoder cable?
Yes, the 22-bit absolute encoder needs a dedicated shielded cable for reliable signal transmission. Use a cable rated for motion control applications.
Q2: Can the electromagnetic brake hold the load vertically?
The brake is designed to hold the shaft when power is off, but always verify its holding torque against your specific load. Refer to the motor’s specifications for safe use.
Q3: What is the maximum ambient temperature for operation?
While the provided data does not specify an exact temperature range, the IP65 rating suggests it can operate in industrial environments with dust and moisture. Check the datasheet for temperature limits.
Q4: Is the HG-KR23BJ compatible with Mitsubishi MR-J4 drives?
Yes, the HG-KR23BJ is typically used with Mitsubishi MR-J4 series servo amplifiers. Confirm drive firmware supports 22-bit absolute encoders.
Q5: How does the low inertia benefit my application?
Low inertia reduces mechanical time constants, allowing faster acceleration and deceleration. This improves cycle times in pick-and-place and packaging machines.
