KDA 3.1-150-3-AQI-W1
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The Bosch Rexroth Indramat KDA 3.1-150-3-AQI-W1 spindle drive is part of the KDA Spindle Drives series and provides a rated torque of 150 Nm. It features air-cooled AQI cooling, operates with a rated voltage of 400 V and a rated current of 14.5 A. The drive has an IP65 protection class and achieves a maximum speed of 3000 rpm.
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Product Description:
The Bosch Rexroth Indramat manufactured KDA 3.1-150-3-AQI-W1 Spindle Drive has a forced ventilation cooling system. This system ensures stable working temperatures under continuous use. This drive has a nominal current rating of 150 A to give adequate power capacity for high-torque, heavy-load industrial machining.
This spindle drive has a DC link voltage of 300 V, supplying the electrical energy required to maintain precision-controlled spindle and servo motor operations. It delivers a steady-state current of 90 A to offer reliable electrical output for driving heavy-duty spindle motors without affecting operational stability. This spindle drive takes in a speed reference input signal in analog ±10 V form. This facilitates precise and timely adjustment of motor speed through the use of external control input signals. The heatsink blower incorporated in this drive is powered using a 220V electric source in order to ensure even cooling. This blower uses 50Hz and 60Hz supply frequencies to be used in many countries with various industrial power standards around the world. An auxiliary feedback input with a 1 V sinusoidal encoder is also integrated in the KDA 3.1-150-3-AQI-W1 spindle drive. This encoder facilitates accurate measurement of spindle position and velocity for superior control accuracy.
This spindle drive features an auxiliary port that sends incremental feedback, allowing for smooth communication with other motion control systems or monitoring tools. In storage or transit situations, this drive can safely withstand temperatures between -30 °C and +85 °C without causing internal or structural damage. The mechanical mounting kit of the KDA 3.1-150-3-AQI-W1 spindle drive weighs a total of 1.7 kg to ensure safe mounting and mechanical rigidity. This spindle drive runs flawlessly under a maximum permissible ambient temperature of 55 °C to sustain performance even in heat-prone areas.
Frequently Asked Questions about KDA 3.1-150-3-AQI-W1:
Q: Why does the KDA 3.1-150-3-AQI-W1 support both 50Hz and 60Hz blower operation?
A: Dual frequency compatibility allows the drive to be installed in regions with different power standards. This ensures flexibility in international applications.
Q: How does the forced ventilation cooling system in the KDA 3.1-150-3-AQI-W1 improve performance?
A: It actively removes heat from internal components, maintaining stable operation under heavy loads. This helps extend service life and prevent thermal shutdown during continuous use.
Q: How does the 1 V sinusoidal encoder input help this spindle drive?
A: It provides highly accurate position and velocity feedback for the control system. This enables smoother spindle speed transitions and precision machining accuracy.
Q: Why is the DC link voltage of 300 V significant in this drive?
A: A 300 V supply ensures sufficient energy transfer for high-power spindle operation. It supports stable torque delivery and rapid acceleration under load.
Q: What advantage does the incremental feedback output provide in the KDA 3.1-150-3-AQI-W1?
A: It transmits motion data to secondary devices or controllers. This enhances synchronization in multi-axis or complex automation setups.
