PMB31B-20200-02
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The PMB31B-20200-02 servomotor boasts a dynamic load rating of 1,200 N, a static load rating of 1,540 N, and operates reliably in temperatures from -30°C to 80°C. Part of the PMB Brushless Servomotors series by Pacific Scientific, it features double sealing and standard tolerance for dependable performance.
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Product Description:
The Pacific Scientific model number PMB31B-20200-02 indicates a PMB brushless motor with an outer diameter of 20 mm, allowing seamless bearing integration with standard shafts. An inner diameter of 12 mm offers compatibility with common spindles which simplifies machine design. The module’s length of 29 mm maintains a compact footprint which suits tight-space installations. Motor construction with chromium steel provides high tensile strength to resist deformation under load. A dynamic load rating of 1,200 N supplies substantial force capacity that enables smooth motion during peak operation.
A static load rating of 1,540 N endures stationary weight without deflection and preserves alignment. Double-sealed insulation prevents ingress of contaminants so to increase service life. Permissible temperature range of -30°C to +80°C for this motor in extreme which retains performance consistency. Standard tolerance control meets typical dimensional requirements and eases manufacturing interchangeability. Press fit mounting secures the part without additional hardware and accelerates assembly. The PMB31B-20200-02 features an 8-pole synchronous design for smooth torque delivery, employs neodymium-iron-boron permanent magnets for high power density and also offers a no-load speed of 2,900 rpm to suit diverse applications.
Moreover, it has a line-to-line inductance of 2.7 mH that shapes dynamic response characteristics. International RoHS compliance affirms adherence to environmental regulations which supports global deployment. Offering a winding current of 2.7 A delivers sufficient electromagnetic drive strength which sustains torque output. NEMA size 34 frame classification matches common motor mounts that reduce adapter needs. Further, a square key shaft design transmits torque reliably to minimize slippage. Also, a resolver sensor provides live positioning feedback which enhances motion control along with a factory-assigned PTC thermistor monitors internal temperature to prevent overheating.
Frequently Asked Questions about PMB31B-20200-02:
Q: How does the 29 mm length of PMB31B-20200-02 benefit machinery design?
A: A compact 29 mm length reduces axial space requirements in multi-axis systems which allows tighter packaging and streamlined machine layouts.
Q: Why is the PMB31B-20200-02’s inner diameter significant?
A: An inner diameter of 12 mm permits use on widely available shafts without custom machining which accelerates installation in existing equipment.
Q: What advantages do chromium steel material provide?
A: The PMB31B-20200-02 motor’s chromium steel construction offers high resistance to wear and deformation under load which extends component lifetime and maintains precision.
Q: How does the dynamic load rating of PMB31B-20200-02 affect performance?
A: A dynamic load rating of 1,200 N ensures the unit can handle substantial working forces in motion cycles which maintains smooth operation under peak loads.
Q: Why is the static load rating of PMB31B-20200-02 important?
A: A static load rating of 1,540 N allows the module to sustain heavy stationary loads without deflection which preserves alignment during standstill periods.
