KDA 3.2-150-3-LP0-W1
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MPN: R911252197
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The Bosch Rexroth Indramat KDA 3.2-150-3-LP0-W1, part of the KDA Spindle Drives series, is a clamping hub with backlash-free mounting and a nominal torque of 150 Nm. It features an axial stiffness of 3.2 x 10^7 N/m, a torsional stiffness of 6.5 x 10^5 Nm/rad, and supports a bore diameter range of 24-38 mm. The drive weighs 15.4 kg.
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Product Description:
The Indramat’s control drive KDA 3.2-150-3-LP0-W1 is designed for precise control of CNC and automation machines. It operates with a forced ventilation cooling system that requires 220 V and provides 3 to 4 m/s of air flow speed for efficient heat dissipation from the housing to outside.
The KDA 3.2-150-3-LP0-W1 drive relies on a 300.0 V rated DC bus voltage and its maximum load capacity is specified as 150.0 A, while in normal operating conditions its steady load capacity is 90.0 A. It utilizes 1.60 A from the +24V load voltage and 0.16 A from the measuring voltage of ±15V. The drive possesses an IP-10 protective rating and it has a total mass of 23.3 kg, including its mechanical mounting kit and the blower unit. Its dimensions are 39 cm in length, 32.5 cm in width and 15 cm in height. The KDA drive should be mounted vertically with at least 100 mm of free space on all sides to ensure proper airflow. It is compatible with various motor feedback and control interfaces. This unit features a 15-pin motor feedback connection (X3) and an optional 15-pin auxiliary encoder input (X5). It supports analog and digital speed command inputs, available via 9-pin (X4) and 25-pin (X4) connectors. The unit is also equipped with a SERCOS interface that utilizes fiber optics for high-speed communication.
The KDA 3.2-150-3-LP0-W1 drive provides robust electrical connection options, including a DC bus for control voltage and blower bus. Its motor connection terminals are designated as L+ (X8), L- (X8) and A1, A2, A3 for the motor phases. The unit’s motor feedback connection provides high-resolution feedback for precise control and it is equipped with an AS3 programming module, which stores the drive-specific parameters and application-specific settings.
Frequently Asked Questions about KDA 3.2-150-3-LP0-W1:
Q: How does the vertical-mount orientation of the KDA 3.2-150-3-LP0-W1 drive benefit its thermal management?
A: The vertical mounting aligns the blower airflow with natural convective paths, enhancing heat removal. It maintains steady cooling efficiency across varying load currents.
Q: Why is forced-ventilation cooling implemented in the KDA 3.2-150-3-LP0-W1 drive instead of passive cooling?
A: The active airflow ensures consistent temperature control under high current draw, preventing thermal throttling. It also keeps enclosure temperatures uniform across internal components.
Q: What advantage does the fiber-optic SERCOS interface provide in the KDA 3.2-150-3-LP0-W1 drive?
A: The fiber-optic SERCOS offers high bandwidth and noise immunity for real-time synchronization. It enables precise motor control even in electrically noisy industrial environments.
Q: In what way does the 15-pin motor feedback connection (X3) support high-resolution control for the KDA 3.2-150-3-LP0-W1 drive?
A: The X3 interface transmits precise encoder signals for fine position tracking. It underpins smooth acceleration and micro positioning in CNC operations.
Q: How does the KDA 3.2-150-3-LP0-W1 drive’s L+ and L– terminals impact installation flexibility?
A: Its dedicated DC bus terminals simplify power cabling layout and safety separation. They support modular wiring in distributed drive topologies.
