2AD164B-B05OB2-DS06-C2N2
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MPN: R911291846
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The 2AD164B-B05OB2-DS06-C2N2 is an induction servo motor with a rated power of 5.0 kW and protection class IP65. Manufactured by Bosch Rexroth Indramat as part of their 2AD 3-Phase Induction Motors series, it features a frame size of 2AD164. This motor includes an encoder with multiturn absolute position feedback.
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Product Description:
Bosch Rexroth designs 2AD164B-B05OB2-DS06-C2N2 as a brakeless 3-phase AC motor for automation machines. It is part of the 2AD motor series, with a rated power of 35 kW at standard operating conditions. This motor delivers 223 Nm of nominal torque at a rated angular speed of 1500 r/min and its peak speeding capability goes up to a permissible value of 6000 r/min.
The 2AD164B-B05OB2-DS06-C2N2 motor possess an optimized winding configuration that is rated for 55.6 A current and 470 VAC voltage. Its effective rotor inertia is 0.174 kg·m², which stabilizes acceleration and deceleration and its thermal time is specified as 60 minutes to ensure reliable thermal endurance. The unit’s construction form is B5 that allows flange-mounted installation and its power connection is at the top with an outlet to side B. Its cooling is axial with a suction blower from side A to side B that requires 220 VA power from a three-phase 400/460 VAC at 50 or 60 Hz and produces 1120 m³/h airflow. This 2AD164B motor generates a measured acoustic level around 75 ± 3 dB(A) on average at one meter distance and its shaft design is plain, with sealing ring protection that is classified as IP65. The unit has no B-side shaft extension available and it uses standard deep-groove ball bearings to handle radial and axial loads.
The 2AD164B-B05OB2-DS06-C2N2 motor is presented with balance class of S, which corresponds to reduced vibrations and its insulation system is classified as F that supports winding temperature up to 155 °C. Its included feedback system is a digital servo encoder with an absolute accuracy of ±0.009 degrees and a relative accuracy of ±0.01 minutes of arc, while homing is required after each power cycle to establish zero position.
Frequently Asked Questions about 2AD164B-B05OB2-DS06-C2N2:
Q: How does the axial cooling via suction blower improve the motor’s thermal performance in the 2AD164B-B05OB2-DS06-C2N2?
A: The suction blower draws air from side A to side B, promoting uniform heat dissipation across windings and rotor. This aids extended duty cycles by reducing hot spots and maintaining insulation integrity.
Q: Why is the insulation class F chosen for 2AD164B-B05OB2-DS06-C2N2 rather than class H or class B?
A: The class F offers thermal reserve beyond nominal operating temperatures up to ~155 °C without the cost and bulk of class H. It balances cost, size, and reliability for typical automation usage.
Q: What advantage does balance class S bring in 2AD164B-B05OB2-DS06-C2N2’s vibration and noise behavior?
A: The balance class S reduces rotational imbalances, lowering vibration amplitude during high speed. This lessens bearing wear and improves acoustic performance, particularly near peak rpm.
Q: How does the encoder’s absolute accuracy of ±0.009° in 2AD164B-B05OB2-DS06-C2N2 benefit motion control systems?
A: Its precise absolute positioning enables accurate repeatability after homing, crucial for tasks like high-precision machining or pick-and-place. It minimizes drift and reduces error accumulation over cycles.
Q: Why is an effective rotor inertia of 0.174 kg·m² significant for the 2AD164B-B05OB2-DS06-C2N2 motor?
A: This moderate inertia smooths acceleration and deceleration, reducing transient torque spikes and stress on drive components. It helps stabilize control loops in servo applications.
