PMB31D-20100-02
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The Pacific Scientific PMB31D-20100-02 is part of the PMB Brushless Servomotors series, designed as a linear guide block with a rail width compatibility of 31 mm. It features a dynamic load rating of 20,100 N and a medium preload type. The block measures 100 mm in length, weighs 1.26 kg, and includes a double-sealed design.
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Product Description:
The PMB31D-20100-02 Brushless Servomotor is made by Pacific Scientific for industrial automation applications. It maintains efficiency across variable duty cycles. The construction delivers dependable operation with low energy loss. The design provides consistent performance in environments that requires accurate and stable motion control.
The PMB31D-20100-02 servomotor has an exposed-lam design. The construction maximizes torque output and power density while minimizing overall size. The motor belongs to the PM/B Series. The classification confirms standardized attributes and assures compatibility with existing drive systems. The mounting options follow NEMA and industry standard requirements. The universal mounting capability simplifies integration into machine assemblies. The motor is equipped with double-shielded bearings. The bearing specification protects against dust and debris infiltration while reducing lubrication demands. The magnet system utilizes Neodymium Iron Boron magnets which supports high flux density, enabling strong torque generation with reduced heating. The motor housing length measures 134.1 mm which supports use in compact automation layouts. The stall torque rating provides consistent shaft force under steady load conditions. The maximum static friction equals 0.80 lb.-in which support the minimum torque required to initiate movement and impacts system response at low speeds. The thermal resistance is 1.08 °C/W which supports the rate of temperature rise per unit of power loss and guides the cooling requirements.
The PMB31D-20100-02 brushless servomotor delivers a continuous stall torque of 18.7 lb.-in. The total weight of the motor is 5.5 lbs which make the installation and handling easy. The combined characteristics of torque output, thermal properties and mechanical design confirm suitability for continuous industrial use. All these attributes make it perfect choice for use in demanding industrial automation settings.
Frequently Asked Questions about PMB31D-20100-02:
Q: How does the exposed-lam design of the PMB31D-20100-02 servomotor improve performance?
A: The exposed-lam design increases torque density while minimizing frame size, enabling compact integration without reducing output capabilities.
Q: What is the significance of the 0.80 lb.-in static friction value?
A: The friction specification ensures smoother startup motion, reducing lag in automation processes operating at low speeds.
Q: Why are Neodymium Iron Boron magnets used in this motor?
A: These magnets provide high flux density, ensuring strong torque generation with reduced heating during continuous duty cycles.
Q: How does thermal resistance of 1.08 °C per watt affect the PMB31D-20100-02 motor?
A: The defined thermal resistance regulates heat rise per unit of power loss, guiding necessary cooling provisions.
Q: What role do double-shielded bearings play in the PMB31D-20100-02 servomotor?
A: The bearings protect against dust infiltration and lower lubrication needs, enhancing long-term durability in industrial environments.
