PMB31D-20200-02
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The Pacific Scientific PMB31D-20200-02 belongs to the PMB Brushless Servomotors series and features a square-shaped block type crafted from steel. This model has a dynamic load rating of 20,200 N, a static load rating of 29,100 N, and accommodates four mounting holes. It operates in temperatures from -10°C to 80°C.
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Product Description:
The Pacific Scientific PMB31D-20200-02 Servo Motor uses a NEMA 34 frame size for mechanical compatibility. The peak torque of the motor is rated at 6.26 Nm. The motor operates efficiently with resolver feedback. A rugged exposed lam design enhances torque and power output while supporting reliable industrial use.
This PMB31D-20200-02 servo motor is designed for applications that demand consistent speed and high torque. The continuous stall current of the motor is 5.1 A that supports stable operation. At peak torque, the motor requires 15.3 A current. The typical rated speed of the motor is 6000 RPM at 240 V AC and 320 V DC bus. The voltage constant is specified as 0.25 V per radian per second. The line-to-line resistance measures 2 Ohms. The motor features a square key shaft that simplifies mechanical coupling and torque transfer. The sensor feedback for the motor is provided by a resolver that allows precise speed and position monitoring. The motor is equipped with flying leads and MS connectors for secure electrical connections. A PTC thermistor is included in this model for thermal protection. The use of neodymium iron boron magnets in the construction of the rotor maximizes torque in compact size. The construction of the motor is IP40 rated. This rating offers basic ingress protection against solid objects. The servo motor’s exposed lam design supports maximum torque and power output during extended operation.
The PMB31D-20200-02 servo motor weight is approximately 2.5 kilograms that makes it compact for its torque range. The use of Class F winding insulation in this motor increases thermal endurance and supports continuous operation under high loads. The double shielded bearings improve reliability under challenging conditions. The torque constant of 0.41 Nm/A allows efficient current utilization.
Frequently Asked Questions about PMB31D-20200-02:
Q: How does the Pacific Scientific PMB31D-20200-02 servo motor handle continuous industrial cycles?
A: It maintains stability with a continuous stall current design that supports extended duty. The Class F insulation and double-shielded bearings further enhance its long-term thermal and mechanical endurance.
Q: What integration benefits does the PMB31D-20200-02 servo motor provide in automation setups?
A: The NEMA 34 frame and square key shaft simplify coupling with existing assemblies. Its flying leads and MS connectors ensure secure electrical interfacing during demanding operations.
Q: How does the PMB31D-20200-02 model deliver performance during variable speed operations?
A: It sustains precise motion with a rated speed of 6000 RPM across different voltage inputs. The torque constant enables efficient current utilization while maximizing dynamic response.
Q: Why is the PMB31D-20200-02 servo motor effective in compact, high-torque applications?
A: Its neodymium rotor magnets generate strong torque in a lightweight 2.5 kg body. The exposed lam design further boosts torque output without increasing frame size.
Q: How does resolver feedback improve the operation of the PMB31D-20200-02 servo motor?
A: The integrated resolver provides accurate position and speed monitoring for synchronized motion. It enhances closed-loop control, ensuring consistent accuracy in precision-driven industrial systems.
