SG-B2.086.034-04.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SG-B2.086.034-04.000 is a brushless servo motor and part of the SG Synchronous Servo Motors series. It features a 100 mm flange size, a nominal speed of 3500 rpm, and produces a static torque of 8.2 Nm. The motor is equipped with a resolver for rotor orientation and spindle speed, and has IP65 protection with a large integrated holding brake rated at 15 Nm.
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Product Description:
The SG-B2.086.034-04.000 is a brushless synchronous servo motor produced by Bosch Rexroth Indramat for the SG Synchronous Servo Motors series. As a rotary actuator, it supplies commanded torque and speed to positioning tables, gantries, or spindle drives while closed-loop feedback supports accurate motion control. Its compact housing and integrated holding brake simplify installation in general industrial automation systems where controlled positioning and secure load retention are required.
The motor fastens to machinery with a flange measuring 100 mm, and its N-class flange accuracy keeps the stator concentric with the driven load. The shaft has a diameter of 19 mm and a length of 40 mm, and it is manufactured according to DIN 6885 for keyed power transmission without additional collars. Continuous stall operation provides a static torque of 8.2 Nm, while application cycles can reach a rated mechanical speed of 3500 rpm. The windings draw a standstill current of 13 A when producing stall torque, and heat is removed through thermal radiation and natural convection across the metal housing. Rare-earth SmCo magnets resist demagnetization at elevated temperatures. The enclosure has a protection rating of IP 65, providing resistance to dust and low-pressure water jets when the motor is installed outside a sealed cabinet.
The integrated brake provides a holding torque of 15.0 Nm and operates from a 24 V DC ±10% control supply. The motor can operate at ambient temperatures from 0 to 40 °C, while its Class F insulation according to VDE 0530 permits winding temperatures up to 155 °C. Installation follows the IM B5 mounting orientation, with IM V1 or IM V3 mounting also permitted for vertical axes. A resolver mounted on the rear end bell reports rotor position and spindle speed to the drive controller. The mating power connector accepts conductors with a cross-sectional area of 1.5 mm², supporting secure electrical connections without requiring forced-air cooling components.
Frequently Asked Questions about SG-B2.086.034-04.000:
Q: Does the SG-B2.086.034-04.000 motor include an integrated holding brake?
A: The SG-B2.086.034-04.000 comes with a large integrated holding brake, offering a holding brake torque of 15.0 Nm.
Q: What is the flange size and accuracy on the SG-B2.086.034-04.000 servo motor?
A: This model is designed with a 100 mm flange size and flange accuracy classified as N.
Q: What is the protection category of the SG-B2.086.034-04.000?
A: The motor features an IP65 protection rating, making it resistant to dust and low-pressure water jets.
Q: What are the shaft design and dimensions for the SG-B2.086.034-04.000 motor?
A: The shaft utilizes a keyway and featherkey design according to DIN 6885 and measures 19 mm in diameter by 40 mm in length.
Q: What type of encoder does the SG-B2.086.034-04.000 use?
A: It uses a resolver for rotor orientation and spindle speed feedback.
