KDA 2.1-150-3-AQ0-U1
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The KDA 2.1-150-3-AQ0-U1 spindle drive features a rated current of 2.1 A, a rated voltage of 150 V, three axes for operation, and uses unforced cooling (U1). Designed as part of the KDA Spindle Drives by Bosch Rexroth Indramat, it offers IP20 protection and supports panel mounting for seamless integration.
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Product Description:
The KDA 2.1-150-3-AQ0-U1 Spindle Drive is designed with a nominal current rating of 150 A for efficient management of power demands in heavy-duty applications. This spindle drive is specifically designed and built by Bosch Rexroth Indramat.
The KDA 2.1-150-3-AQ0-U1 spindle drive supports an auxiliary encoder input intended for 1V sinusoidal encoder signals. This encoder provides precise spindle positioning feedback and maintains accurate speed regulation under harsh machining conditions. The thermal management of this drive is provided by means of a forced cooling system. It has an integral heatsink blower to control temperatures effectively and avoid overheating when operating continuously. This blower measures 4.2 kg in weight, which, although still quite heavy, is relatively light compared to the amount of airflow it provides for consistent cooling. The power to this blower is offered via an AC supply input rating of 115 V with frequency support of 50–60 Hz, ensuring smooth cooling operation. The suggested mounting style for this drive is vertical with grounding bolts at the top, providing maximum cooling and proper operational safety norms.
This drive is designed to function in extreme ambient temperatures up to +55 °C, thus being appropriate for heavy-duty applications with high thermal conditions. For transport and storage needs, it can withstand a temperature range from -30 to +85 °C, allowing for flexible handling and logistics with long-term equipment. The KDA 2.1-150-3-AQ0-U1 spindle drive conforms to humidity classification F as per DIN 40 040 specifications to provide resistance against moisture issues. This spindle drive interfaces with NC systems via an X2 37-pin connector interface for secure transmission of signals and easy integration with devices. This drive requires a tightening torque of 5 Nm at the motor attachment point for secure electrical connections and the avoidance of operational malfunctions.
Frequently Asked Questions about KDA 2.1-150-3-AQ0-U1:
Q: How does the 5 Nm motor connection torque in KDA 2.1-150-3-AQ0-U1 improve performance?
A: The 5 Nm torque ensures a secure and stable connection, minimizing electrical losses and preventing disconnection during extended industrial spindle operations.
Q: Why is the auxiliary encoder input for 1V sinusoidal signals important in the KDA 2.1-150-3-AQ0-U1?
A: It allows precise monitoring of spindle position, enhancing synchronization accuracy during CNC machining and ensuring high-quality surface finishes in precision tasks.
Q: What role does the forced cooling system play in this spindle drive?
A: The forced cooling with a heatsink blower dissipates excess heat, preventing thermal overload and enabling reliable performance during continuous and high-load operations.
Q: Why is a vertical installation with grounding bolts required for the KDA 2.1-150-3-AQ0-U1?
A: The vertical orientation optimizes airflow for the blower, while grounding bolts ensure operator safety and protect the system against electrical surges.
Q: How does the 37-pin X2 connector interface benefit integration in the KDA 2.1-150-3-AQ0-U1?
A: It simplifies wiring with standardized connections, ensuring compatibility with various NC systems and reducing setup complexity for industrial machine installations.
