SG-B0.004.076-00.010 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SG-B0.004.076-00.010 is a brushless servo motor in the SG Synchronous Servo Motors series with a metallic construction and a flange size of 55 mm. It features a shaft with keyway and featherkey, IP65 protection category, and has a nominal speed of 7400 rpm. The motor uses a resolver for rotor orientation, operates at ambient temperatures from 0 to 40 °C, and is built with SmCo (Samarium-Cobalt) magnet material.
Internal Product Review
The SG-B0.004.076-00.010 is a brushless servo motor engineered for precise spindle and axis applications. Natural-convection cooling and IP65 protection support dependable operation in enclosed industrial environments. Resolver feedback for rotor orientation and spindle speed complements the 7400 rpm nominal speed, making the unit a strong performer for high-response motion control.
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Product Description:
The SG-B0.004.076-00.010 is a brushless servo motor manufactured by Bosch Rexroth Indramat within the SG Synchronous Servo Motors series. Its metallic construction and IM B5 flange allow the unit to fasten to end plates, and the design also supports IM V1 or V3 vertical mounting. Rated for vibration severity Grade N, the motor is intended for precise positioning and speed regulation tasks in industrial automation where compact size and quick dynamic response are required.
The rotor has a nominal speed of 7400 rpm, enabling high-cycle feed drive operation. The motor provides a continuous stall torque of 0.50 Nm, while the electrical current at standstill is 1.7 A. The enclosure has an IP65 protection rating, so dust and low-pressure water jets do not interfere with operation. A 55 mm flange provides a reference surface with Accuracy R for repeatable alignment. The unit is supplied without a holding brake; when power is removed, an external clamping device or drive torque must maintain the load position. A resolver provides rotor orientation feedback to the connected drive controller. Power and signal conductors terminate in a mating connector that accepts leads with a cross-sectional area of 1.5 mm². The keyed shaft complies with DIN 6885 and has a diameter of 9 mm and an engaged length of 20 mm for transmitting torque to the connected machine.
Operation is permitted at ambient temperatures from 0 to 40 °C. Internal heat is removed mainly through thermal radiation and natural convection, so additional fans are not required when airflow around the frame remains unobstructed. The stator windings use Class F insulation in accordance with VDE 0530, allowing winding temperatures up to 155 °C under cyclic loading. Permanent excitation is provided by SmCo magnets, which maintain magnetic flux density at elevated temperatures and support the motor’s compact design. The resolver supplies analog rotor-position signals that allow the drive to regulate commutation, speed, and position during operation. Its sealed enclosure helps protect internal electrical and mechanical components when the motor is exposed to dust or water jets in industrial machinery.
