PMB31B-20116-02
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The PMB31B-20116-02 servomotor features a NEMA Size 34 frame, a continuous stall torque of 4.7 Nm, a peak torque of 19.6 Nm, and a weight of 4.8 kg. As part of the PMB Brushless Servomotors manufactured by Pacific Scientific, it includes IP40 protection and utilizes a digital encoder with 4096 ppr resolution.
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Product Description:
The PMB31B-20116-02 is a top-quality brushless servomotor. It is designed by Pacific Scientific for precision motion control systems. It delivers accurate positioning and efficient performance in compact setups.
The PMB31B-20116-02 servomotor has a motor length of 134.1 mm. Its small design incorporates a NEMA 34 mounting interface. The motor mount features four Ø5.59 mm holes on a Ø98.43 mm bolt circle. The motor has a circular shaft with a diameter of 12.695mm. The feedback cable is 457 mm long and contains shielded 26 AWG wires. The motor cable is also 457 mm long and contains shielded 18 AWG wires. The servomotor has a digital encoder with 4096 ppr and commutation signals. The feedback system ensures accurate motion tracking. To provide internal protection, the motor features a PTC thermistor. Built-in double-shielded bearings ensure dependability in harsh situations. This model belongs to the PMB Brushless Servomotors series. The servo employs Neodymium Iron-Boron magnets to increase torque output. It uses passive cooling which eliminates the need for forced air. The motor's IP40 rating ensures basic environmental protection. The insulating system meets Class F norms. The no-load speed is rated at 4,300 rpm.
The PMB31B-20116-02 generates 2.1 Nm of constant stall torque. It also produces 1.9 Nm of torque at 2,900 rpm. Peak torque can reach 4.1 Nm for five seconds. The line-to-line inductance is 19.6 mH. The continuous stall current was recorded at 2.7 ARMS. Peak torque current requirements reach 5.3 ARMS. The rotor has an inertia of 0.14 kgm² x10⁻³ with an encoder attached. The Pacific Scientific serves industrial automation needs efficiently. It suits applications demanding compact, high torque motors. Its encoder feedback and MS connectors allow easy integration.
Frequently Asked Questions about PMB31B-20116-02:
Q: How does the 4096 ppr encoder improve performance in PMB31B-20116-02?
A: The high-resolution encoder enables precise position control and smooth motion response. It ensures better synchronization in closed-loop applications.
Q: Why is Neodymium Iron-Boron used in the PMB31B-20116-02 magnets?
A: This material provides higher magnetic strength for compact motor designs. It helps deliver more torque in a smaller footprint.
Q: What role does the PTC thermistor play in PMB31B-20116-02?
A: It protects the motor by monitoring temperature changes during operation. If the motor overheats, it triggers thermal protection.
Q: Why is a 19.6 mH inductance important in PMB31B-20116-02?
A: It allows better voltage control and current filtering during drive interaction. This helps reduce electrical noise in the system.
Q: How does IP40 protection impact the application of PMB31B-20116-02?
A: It offers basic protection against solid objects in clean environments. The motor is best suited for indoor industrial applications.
