KDA 3.2-150-3-L00-U1
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MPN: R911248611
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The KDA 3.2-150-3-L00-U1 is a spindle drive manufactured by Bosch Rexroth Indramat. As part of the KDA Spindle Drives series, it features a rated current of 150 A and operates with a power supply frequency of 50/60 Hz. The drive uses forced air cooling and has a protection class of IP20.
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Product Description:
The model KDA 3.2-150-3-L00-U1 is a main spindle drive engineered for precise control. It supports asynchronous and frameless spindle motors between 3 to 22 kW. It’s ideal for CNC applications with SERCOS-based command interface and high positioning accuracy.
This KDA 3.2-150-3-L00-U1 Main Spindle Drive operates at a rated current of 150 A with a continuous current of 90 A. It utilizes a 300 V DC bus and delivers optimal speed control and feedback through the SERCOS interface. Its rotor positioning accuracy reaches up to 1/360,000 revolutions. The drive is compatible with both 2AD asynchronous and 1MB frameless spindle motors that makes it versatile across applications. The cooling is maintained by a forced heatsink blower that operates on a 50 – 60 Hz AC source to ensure thermal stability. An onboard microcomputer handles control and diagnostics with high resolution rotor feedback. This allows smooth and responsive motor management. The installation of this model is in vertical orientation with grounding bolts located at the top of the unit. The torque specifications for mounting bolts are 5 Nm for the motor and 3 Nm for DC bus and ground connections. Its compact design requires a minimum clearance of 80 mm from adjacent units for proper ventilation. The model offers enhanced rigidity for high stiffness applications. It supports precise C axis and CNC positioning that is suitable for complex machining processes.
The KDA 3.2-150-3-L00-U1 main spindle drive from Bosch Rexroth weighs approximately 17.4 kg that supports efficient installation without compromising robustness. The environmental protection conforms to IP10 and it operates effectively in environments with relative humidity below 70 % that is classified under humidity class F. The drive features modular design benefits including a transferable AS programming module that enables quick replacements during maintenance.
Frequently Asked Questions about KDA 3.2-150-3-L00-U1:
Q: How does the KDA 3.2-150-3-L00-U1 maintain precise rotor feedback during high-speed CNC positioning?
A: It uses high-resolution SERCOS-based control with rotor feedback accuracy up to 1/360,000 revolutions. This enables micro-level position tracking in demanding axis control applications.
Q: What contributes to thermal efficiency during sustained loads in the KDA 3.2-150-3-L00-U1 main spindle drive?
A: A forced heatsink blower operating on a 50–60 Hz AC input actively cools the drive. This thermal control ensures continuous performance during high current operation without overheating.
Q: How does the KDA 3.2-150-3-L00-U1 support seamless integration with multiple spindle motor types?
A: It works with both 2AD asynchronous and 1MB frameless spindle motors. This compatibility gives integrators flexibility when designing CNC systems across various power requirements.
Q: What installation constraints should be considered when mounting the KDA 3.2-150-3-L00-U1 in control cabinets?
A: It requires a vertical mount with an 80 mm clearance from adjacent drives for ventilation. Grounding bolts and torque specs must be followed to avoid thermal and electrical stress.
Q: How does the KDA 3.2-150-3-L00-U1 simplify maintenance and component replacement in production environments?
A: Its modular architecture includes a removable AS programming module for fast swap-outs. This feature reduces downtime during troubleshooting or planned system upgrades.
