SE-B4.130.050-04.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SE-B4.130.050-04.000 is a synchronous servo motor from the SE Synchronous Servo Motors series with a flange size of 142 mm and a mass of 18 kg. It has a nominal speed of 5000 rpm, a maximum torque of 34.0 Nm, and a shaft size of 24 x 50 mm. The motor features a brake supply voltage of 24 V DC and a standstill current of 18 A.
Internal Product Review
The SE-B4.130.050-04.000 is a Bosch Rexroth Indramat synchronous servo motor with 34.0 Nm max torque and 5000 rpm nominal speed. Low motor inertia of 3.08 x10^-3 kgm² and a 0.61 Nm/A torque constant support responsive axis control and efficient tuning. A strong choice for servo applications demanding fast speed and stable torque delivery.
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Product Description:
The SE-B4.130.050-04.000 is a synchronous servo motor manufactured by Bosch Rexroth Indramat within the SE Synchronous Servo Motors series. Designed as a compact drive element, it translates controlled current from a servo amplifier into accurate rotary motion for high-speed pick-and-place heads, indexing tables, and other automation axes that demand tightly regulated position and velocity. The motor reaches a nominal speed of 5000 rpm, providing a wide motion bandwidth before mechanical transmission is considered.
During continuous stall conditions, the motor draws a standstill current of 18 A, a value used when sizing the power stage and cabling. Electromechanical conversion efficiency is characterized by a torque constant of 0.61 Nm/A, so every ampere delivered by the drive produces just over six-tenths of a newton-meter. The stator has a winding inductance of 6.3 mH, which affects current rise time and servo loop tuning, while a winding resistance of 0.61 Ω determines copper losses under load. The voltage constant is 71 V per 1000 rpm, and the static torque rating is 11 Nm. These parameters provide the electrical values needed to configure the motor for precise motion control and sustained operation within its rated limits.
Dynamic overhead is provided by a maximum torque capability of 34.0 Nm, allowing short bursts to overcome system inertia and friction. The rotor moment of inertia is 3.08 × 10⁻³ kg·m², supporting quick responses to acceleration commands while maintaining stability during reversals. A holding brake powered at 24 V DC secures vertical or suspended loads when the drive is disabled. The motor has a flange diameter of 142 mm, an overall length of 330 mm, and a shaft measuring Ø24 × 50 mm. Its total mass is 18 kg, and the flange and shaft dimensions support connection to compatible gearboxes or couplings without additional adapters.
