PMB33F-00114-03
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The Pacific Scientific PMB33F-00114-03 motor, part of the PMB Brushless Servomotors series, features a NEMA Size 34 frame and boasts a continuous stall torque of 5.42 Nm. It operates with a rated speed of 4,600 RPM and has a peak torque of 16.1 Nm. The servomotor weighs 6.3 kg, ensuring reliable performance.
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Product Description:
Pacific Scientific’s PMB Brushless Servomotors product lineup introduces the PMB33F-00114-03 variant, capable of delivering a robust peak current of 20 A to meet demanding acceleration requirements. Its 2048 ppr encoder resolution provides detailed position feedback, significantly improving motion accuracy. Continuous stall torque of 5.42 Nm (48.0 lbs‑in) for this motor prevents load slippage at standstill, preserving stable and reliable operation.
Further, electrical connections are simplified with flying leads and AMP connectors which significantly minimizing termination mistakes. Running at a rated speed of 4600 RPM, it can handle most moderate servo tasks by offering an optimal balance of speed and torque. Low rotor inertia of 0.404 kg reduces reflected inertia, enabling faster dynamic responses. This component works at 320 V DC with a speed up to 5,700 RPM, expanding performance range for quicker cycles. “3” as stack length multiples facilitates length adjustments to suit torque requirements. A digital encoder with a commutation sensor integrates position and commutation data, easily reducing cable complexity. Also, the device’s peak torque of 16.1 Nm (142 lb‑in) overcomes transient loads and prevents drive faults.
In addition, nominal stall current at 240 VAC max of 11.0 ARMS defines maximum holding capability which guards against unplanned motion. The motor’s mass of 6.3 kg (13.8 lbs.) balances robustness with manageable handling which eases cabinet mounting. Its typical rated torque of 4.0 Nm (35.8 lb‑in) at 320 V DC sustains continuous loads just to prevent thermal overloads. NEMA Size 34 motor frame standardizes mounting interfaces that streamline mechanical integration. While the motor length of 210.3 mm fits within compact machine envelopes to conserve panel space. It also includes no‑load speed up to 5,700 RPM and provides headroom for acceleration, reducing cycle times. Further, the line‑to‑line inductance of 2.8 mH smooths current ripple that also enhances torque consistency. Static friction measured at 0.169 Nm lowers startup resistance which refines low‑speed control. A viscous damping coefficient of 0.038 V·Nm/kRPM cushions oscillations to stabilize motion transitions.
Frequently Asked Questions about PMB33F-00114-03:
Q: What peak current capability does this brushless motor PMB33F-00114-03 offer?
A: PMB33F-00114-03 supports a peak current of 20A to ensure sufficient drive to overcome inertial loads during rapid acceleration without derating performance.
Q: How precise is the encoder resolution on part number PMB33F-00114-03?
A: The 2048 ppr encoder resolution provides high-fidelity position data which enhances closed‑loop accuracy and minimizes positional drift over long travel distances.
Q: Why is the continuous stall torque rating of 5.42 Nm important for PMB33F-00114-03?
A: A continuous stall torque of 5.42 Nm maintains rotor position under zero‑speed loads which prevents unintended motion and enhances safety in holding applications.
Q: Which connector type is used on the PMB33F-00114-03?
A: The use of flying leads with AMP connectors offers standardized plug‑and‑play electrical connections that also simplify field wiring and reduce installation time.
Q: How does the rated speed of 4,600RPM benefit the PMB33F-00114-03?
A: A 4600 RPM rated speed accommodates mid‑range servo tasks which maintain torque delivery with process speed for versatile automation applications.
