SF-A2.0020.060-14.050 Bosch Rexroth Indramat
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MPN: 1070082082
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The Bosch Rexroth Indramat SF-A2.0020.060-14.050 is part of the SF Servo Motors series and uses a permanent magnet holding brake with 3.2 Nm torque and a supply voltage of 24 VDC. This servo motor features absolute encoder precision of ±20 arcseconds and a resolution of 8,000,000 increments per revolution. It has a rated speed of 6000 rpm and uses natural convection for cooling.
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Product Description:
The Bosch Rexroth Indramat SF-A2.0020.060-14.050 is a servo motor in the SF Servo Motors series. As an electromechanical actuator, it converts drive current into precise rotary motion for positioning axes and tooling spindles within automated machinery. The motor integrates an absolute encoder for closed-loop feedback, a permanent-magnet holding brake for vertical loads, and a frame built for IM B5 flange mounting, allowing direct attachment to gearheads or machine frames.
The embedded brake is a permanent-magnet design supplied at 24 VDC. When power is removed, it reaches full locking torque in 19 ms, and current draw during this transition peaks at 0.56 A. Release is slightly slower, requiring 29 ms before the shaft is free to rotate. At rated operating conditions, the rotor can sustain a mechanical speed of 6000 rpm, which suits high-speed pick-and-place or spindle modules. Thermal management relies on natural convection, so no external fan is needed and installation remains compact. Copper windings support brake torque and motor torque generation with a locked-rotor current of 2.7 A, helping the motor start without requiring unusually high current from the connected servo amplifier.
Each ampere delivered to the stator produces 0.74 Nm/A, enabling rapid torque modulation under servo control. When the brake is engaged, it can withstand a static load of 3.2 Nm, which helps prevent back-drive on vertical axes. Position feedback is furnished by an absolute encoder with 8,000,000 increments per revolution and an accuracy of ±20 arc-seconds, allowing very fine position tracking when the motor is paired with lead screws or gear reducers. The motor also has a locked-rotor capability of 2.0 Nm, which supports controlled startup behavior while the locked-rotor current remains within typical servo amplifier ranges.
Frequently Asked Questions about SF-A2.0020.060-14.050:
Q: What type of brake is installed on the SF-A2.0020.060-14.050 servo motor?
A: This servo motor uses a permanent magnet brake for holding functionality.
Q: What is the rated speed of the SF-A2.0020.060-14.050 motor?
A: The SF-A2.0020.060-14.050 operates with a rated speed of 6000 min-1.
Q: What encoder type and resolution does the SF-A2.0020.060-14.050 motor offer?
A: This model features an absolute encoder with a resolution of 8,000,000 increments per revolution.
Q: What is the holding brake torque for the SF-A2.0020.060-14.050?
A: The holding brake on this motor delivers a torque of 3.2 Nm.
Q: How is the SF-A2.0020.060-14.050 servo motor cooled?
A: Cooling for this servo motor is achieved through natural convection without requiring external fans.
