SE-B2.020.060-04.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B2.020.060-04.000 is part of the SE Synchronous Servo Motors series and features a holding torque of 3.5 Nm with a nominal speed of 6000 rpm. This servo motor has a peak current of 30 A and weighs 6.9 kg. It also has a noise level of 58 dB(A) and a shaft diameter of 14 mm.
Internal Product Review
The SE-B2.020.060-04.000 is a Bosch Rexroth Indramat synchronous servo motor with a 6000 rpm nominal speed and 2.0 Nm static torque. Low rotor inertia at 0.44 x10^-3 kgm2 and a 0.40 Nm/A torque constant support crisp response and efficient torque production in precision motion applications. A quiet 58 dB(A) noise level makes the motor a strong choice for high-speed servo performance.
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Product Description:
The SE-B2.020.060-04.000 is a synchronous servo motor produced by Bosch Rexroth Indramat for the SE Synchronous Servo Motors series. It supplies precise rotary actuation in indexing tables, feeders, and compact positioning axes within automated lines. The motor converts electrical input into controlled motion and delivers encoder feedback to the drive so the control loop can track speed and position accurately. Paired with a matching inverter, it forms the primary actuation stage of the machine’s motion system.
The motor’s nominal speed is 6000 rpm, indicating the maximum continuous shaft velocity under rated voltage and load. A torque constant of 0.40 Nm/A links applied phase current to generated mechanical torque, simplifying current-based control. For short transients, the winding can accept a peak draw of 30 A, supporting rapid acceleration. Magnetic energy storage is set by a phase inductance of 20.8 mH, while copper resistance of 4.43 ohms governs steady-state losses. Combined with a voltage constant of 46 V per 1000 rpm, these electrical figures affect the drive’s required bus voltage, current loop bandwidth, and heating profile during duty cycles.
The motor also supports load holding and compact machine layouts. A static torque capacity of 2.0 Nm enables the axis to hold loads at zero speed, and continuous standstill operation draws only 5.0 A, minimizing heat inside the stator. With a mass of 6.9 kg and an overall length of 260 mm, the motor fits compact machinery yet withstands handling loads thanks to a shock tolerance of 6 g. The 14 mm shaft, supplied with an A5×5×25 mm feather key, transmits rotation to couplings, while rotor inertia of 0.44 × 10⁻³ kg·m² aids quick reversals. A 3.5 Nm holding brake secures vertical axes, and the 58 dB(A) noise level permits installation near operators without additional acoustic shielding.
