DMA 140D 6111-D Bosch Rexroth Indramat
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MPN: 1070084438
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The Bosch Rexroth Indramat DMA 140D 6111-D is a 3-phase servo drive module from the DMA Servo Drive Modules series, weighing 135 kg and offering a nominal power of 22 kW with a nominal torque of 140 Nm. It features high-resolution motor feedback, a base speed of 1500 min^-1, and supports one axis positioning. The unit also comes with air cooling through a backplane and a keyed, sealed output shaft with a 42 mm diameter and 110 mm extension.
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Product Description:
The DMA 140D 6111-D belongs to the DMA Servo Drive Modules series produced by Bosch Rexroth Indramat. It is a three-phase module intended for synchronous and asynchronous motors, where it supplies regulated current and voltage to execute motion profiles in automated lines. By integrating single-axis positioning as an additional function, the unit can reduce the need for a separate motion controller in many compact machine stations. This arrangement supports coordinated motion tasks where speed control, positioning accuracy, and stable torque delivery are all required from one package.
At a base speed of 1500 rpm, the drive supports continuous operation suited to conveyor or spindle duties. Its nominal power rating of 22 kW sets the rated output available under normal operating conditions, and a nominal torque of 140 Nm supports steady load handling. Acceleration demands are covered by a peak mechanical speed of 7500 rpm, allowing brief high-speed operation when the application requires it. The rotor inertia of 0.118 kgm² balances quick start-stop behavior with torsional stability during motion changes. High-resolution motor feedback supplies fine position data to the control loop, and the keyed, full-key balanced shaft with a shaft seal transfers torque while helping prevent lubricant escape.
The module uses backplane air cooling, so cabinet airflow must be maintained to keep semiconductor temperatures within acceptable limits. A total mass of 135 kg affects mounting requirements and calls for rigid back-panel support during installation. The shaft diameter of 42 mm, together with a 250 mm flange pilot diameter, a 12 × 8 × 80 mm keyway, and a 110 mm shaft extension, provides standard mechanical interfaces for couplings or pulleys. A thermal time constant of 55 min shows that internal temperature changes lag behind load changes, which allows short overload periods without immediate overheating. These values make the unit suitable for applications that combine sustained running with periodic speed and load changes.
Frequently Asked Questions about DMA 140D 6111-D:
Q: What positioning capability does the DMA 140D 6111-D support?
A: The DMA 140D 6111-D servo drive module offers one axis positioning as an additional function for precise control.
Q: What is the nominal torque output of the DMA 140D 6111-D?
A: This model delivers a nominal torque of 140 Nm for its output shaft.
Q: What cooling method is used in the DMA 140D 6111-D?
A: The cooling method for this unit is air cooling through the backplane.
Q: What type of output shaft does the DMA 140D 6111-D use?
A: The output shaft is keyed, is entirely key balanced, and features a seal for added protection.
Q: What motor feedback type is present on the DMA 140D 6111-D?
A: The high-resolution motor feedback allows for accurate and responsive operation.
