2AD164B-B05OR1-BS07-C2N1
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MPN: R911291273
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The 2AD164B-B05OR1-BS07-C2N1 is a synchronous servo motor with blower cooling and a rated torque of 350 Nm. Manufactured by Bosch Rexroth Indramat, it is part of the 2AD 3-Phase Induction Motors series and features a rated power of 55 kW. This motor has IP65 protection and weighs approximately 185 kg.
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Product Description:
The 2AD164B-B05OR1-BS07-C2N1 is a 35-kW induction motor from Bosch Rexroth that is designed with a nominal torque rating of 223 Nm. It provides a base speed of 1500 r/min and operates with a normal load current utilization of 55.6 A from a 470 VAC source. The motor’s rotor of inertia is specified as 0.174 kg·m² to ensure smooth and efficient performance at high speeds.
The 2AD164B-B05OR1-BS07-C2N1 motor includes an axial ventilation blower that operates from a 3 x 400/460 VAC supply source and it directs airflow from side B to side A for efficient cooling. It facilitates an average air of 1120 m³/h through the unit’s housing and consumes 220 VA of power. This motor does not come with a holding brake and for feedback, it utilizes a digital servo system with an integral multiturn absolute encoder to offer high resolution of ±0.02° absolute accuracy and ±0.01' relative accuracy to ensure precise position control. It is protected with an IP 65-rated shaft sealing ring and IP 54-rated motor blower. Its minimum cable cross-section for wiring is specified as 16 mm² to ensure safe and effective power transmission to its power terminal that is located above the housing.
The 2AD164B-B05OR1-BS07-C2N1 induction motor is equipped with a single ended plain shaft that rotates through standard bearings for minimal vibrations and longevity. Its thermal dissipation time is one hour and the sound pressure level at 1 meter is measures as 75 dB(A). It possesses category F electrical insulation and weighs 205 kg, without accessories. In terms of vibration, the 2AD164B motor is classified under vibration severity class R, with vibration level range from 1.8 mm/s at 600-1800 r/min to 4.5 mm/s at 3600-6000 r/min.
Frequently Asked Questions about 2AD164B-B05OR1-BS07-C2N1:
Q: How does the axial ventilation blower improve thermal management in the 2AD164B-B05OR1-BS07-C2N1?
A: The blower draws air from side B to side A, ensuring directional airflow across heat-critical components. This flow, at ~1120 m³/h, helps maintain cooling under heavy continuous load without overheating.
Q: Why is a multiturn absolute encoder used in the 2AD164B-B05OR1-BS07-C2N1 instead of a simpler incremental encoder?
A: Its multiturn absolute encoders retain positional information even after power loss, eliminating homing routines. In the 2AD164B-B05OR1-BS07-C2N1 this enables immediate resumption with ±0.02° accuracy, essential in indexing or safety-critical motion.
Q: What role does the IP65 shaft sealing ring provide in the 2AD164B-B05OR1-BS07-C2N1?
A: The IP65 sealing ring prevents ingress of dust and water at the shaft interface, significantly reducing shaft bearing wear. This enhances lifespan and allows operation in harsher industrial environments.
Q: How does the rotor inertia of 0.174 kg·m² affect dynamic performance in the 2AD164B-B05OR1-BS07-C2N1?
A: The higher rotor inertia smooths torque delivery and resists sudden speed changes, reducing mechanical shock. For the 2AD164B-B05OR1-BS07-C2N1 this means better stability during load disturbances or fluctuations.
Q: What is the significance of the 16 mm² minimum cable cross-section for power wiring in the 2AD164B-B05OR1-BS07-C2N1?
A: A 16 mm² cable ensures low electrical resistance, limits voltage drop under full current (55.6 A). This maintains voltage stability and reduces heat in conductors, crucial for motor efficiency.
