MAC117B-0-WS-4-C/130-A-1/WI1521LV Bosch Rexroth Indramat
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MPN: R911245926
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The Bosch Rexroth Indramat MAC117B-0-WS-4-C/130-A-1/WI1521LV is a motor designed for analog drives and is part of the MAC AC Servo Motors series. It features natural convection cooling, a 130 mm centering diameter, and standard blocking brake. The motor uses an incremental encoder for position feedback and has a side A power connector.
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Product Description:
The MAC117B-0-WS-4-C/130-A-1/WI1521LV is an AC servo motor built by Bosch Rexroth Indramat for the MAC AC Servo Motors series. As a motor for analog drives, it supplies closed-loop torque and speed control to positioning tables, feeders, and similar automation axes that rely on voltage- or current-controlled amplifiers rather than fully digital interfaces. This operating style suits equipment that uses classic servo amplifiers and still requires stable motion during indexing, feeding, and repeat positioning. It is well suited to machines that continue to use established control architectures in daily operation.
The electromagnetic circuit uses winding code WS, which matches the coil resistance and inductance to legacy analog power stages. A frame size of 117 gives the motor its stator diameter and shaft height, while a centering diameter of 130 mm positions the flange accurately in servo gearboxes or adapter plates. Heat is removed through natural convection, so no external blower or liquid loop is needed. This passive cooling arrangement keeps the axis package simple and leaves more space around the motor for nearby machine components. Power leads exit through a connector on side A, which keeps cable routing consistent across multi-axis installations.
Holding torque during power-off is provided by a standard blocking brake that engages automatically when the drive is disabled. The motor has length code B, which gives it an intermediate rotor inertia for a balance of acceleration response and running stability. Rotor feedback is delivered through a tachofeedback incremental or absolute encoder interface, allowing the analog controller to receive speed-proportional voltage or pulse signals as required by the application. For position loops that depend on incremental signals, the motor carries an incremental encoder with standard mounting, which keeps encoder installation aligned with the motor housing. This feedback arrangement supports both speed regulation and position monitoring without adding external sensing devices.
Frequently Asked Questions about MAC117B-0-WS-4-C/130-A-1/WI1521LV:
Q: Does the MAC117B-0-WS-4-C/130-A-1/WI1521LV motor include a blocking brake?
A: The MAC117B-0-WS-4-C/130-A-1/WI1521LV is equipped with a standard blocking brake for holding applications.
Q: What cooling method is used in the MAC117B-0-WS-4-C/130-A-1/WI1521LV servo motor?
A: This motor utilizes natural convection cooling, functioning efficiently without forced air or external fans.
Q: What is the centering diameter of the MAC117B-0-WS-4-C/130-A-1/WI1521LV motor?
A: The centering diameter for this model is 130 mm, helping ensure precise alignment during installation.
Q: What type of feedback configuration does the MAC117B-0-WS-4-C/130-A-1/WI1521LV offer?
A: The feedback configuration allows for both tachofeedback and an incremental or absolute encoder for versatile position feedback.
Q: Where is the power connection situated on the MAC117B-0-WS-4-C/130-A-1/WI1521LV motor?
A: The power connection for the MAC117B-0-WS-4-C/130-A-1/WI1521LV is located on side A with a connector setup.
