SG-A2.086.034-04.000 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat SG-A2.086.034-04.000 is part of the SG Synchronous Servo Motors series, featuring a nominal speed of 3500 rpm and a system power of 2.3 kVA. This motor comes with a large integrated holding brake, a flange size of 100 mm, and IP65 protection. It provides a standstill current of 13 A, torque at standstill of 8.2 Nm, and supports a maximum axial load of 150 N.
Internal Product Review
The SG-A2.086.034-04.000 is a Bosch Rexroth Indramat synchronous servo motor with IP65 protection and a 3500 rpm nominal speed. A large integrated holding brake with a 24 V DC ±10% rating supports dependable axis retention in controlled motion systems. Standstill torque of 8.2 Nm makes the unit a very capable servo choice.
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Product Description:
The SG-A2.086.034-04.000 belongs to the SG Synchronous Servo Motors series from Bosch Rexroth Indramat. It is a compact rotary actuator intended to position machine axes through precise electrical control, connecting directly to servo drives used in packaging, printing, and material-handling equipment. Inside the sealed housing, a permanent-magnet rotor and stator windings convert electrical current into controlled rotary motion, allowing the automation controller to regulate velocity and torque dynamically. This arrangement supports positioning, indexing, and speed-regulated tasks that require responsive motion under changing loads.
The motor operates at a nominal speed of 3500 rpm, enabling fast indexing cycles when paired with high-resolution position feedback. At standstill, it can sustain 8.2 Nm of torque, allowing clamping or pressing stations to hold static loads without overheating the windings. This torque requires a phase current of 13 A, which supports appropriate cable and drive selection. The electromagnetic design has a torque constant of 0.66 Nm/A, providing a predictable relationship between supplied current and generated torque across the control range. A rotor inertia of 0.470 × 10⁻³ kg·m² reduces acceleration lag in applications that require rapid start-and-stop profiles. System apparent power is 2.3 kVA, providing an additional electrical value for matching the motor with a compatible servo drive.
The motor has a total length of 244 mm with the brake installed, allowing it to fit within constrained machine spaces while accommodating the integrated holding brake. The brake operates at 24 V DC ±10%, engages in 35 ms, and releases in 25 ms, supporting rapid stopping and startup sequences. It prevents shaft movement when the axis is idle, which is useful for vertical loads that could otherwise drift after drive power is removed. The motor withstands an axial thrust of up to 150 N, helping protect the bearings when the shaft is coupled to a ball-screw drive. A 100 mm mounting flange with accuracy grade N provides a stable mounting surface, while a keyed shaft measuring 19 mm in diameter and 40 mm in length transfers torque to the connected mechanism. The enclosure has an IP65 rating, preventing dust and low-pressure water jets from reaching internal components during operation.
