KDA 2.1-150-3-AP0-U1
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The KDA 2.1-150-3-AP0-U1 spindle drive features a continuous current of 150 A, a peak current of 300 A, an input voltage range of 3 x 380-480 V AC (+/-10%), and a cooling method of air-cooled design. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it supports analog/pulse communication and offers IP20 protection.
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Product Description:
The KDA 2.1-150-3-AP0-U1 Main Spindle Drive is designed for precision and stability in spindle control. It offers high stiffness for accurate response to spindle dynamics and supports continuous power delivery across a broad range. Its built in microcomputer manages control, monitoring and diagnostic functions.
This KDA 2.1-150-3-AP0-U1 spindle drive from Rexroth Indramat operates with a rated current of 150 A that is suitable for heavy duty spindle applications. It supports continuous power delivery with efficiency and stability. The unit integrates microcomputer technology that provides digital drive control, system supervision and diagnostic capability. It offers high resolution rotor position measurement that maintains precise control over the entire speed spectrum. The drive accepts an analog ± 10 V speed command value for accurate and adjustable spindle performance. The safety of the drive is improved by outputs that signal fault conditions and overload events. The drive is built with a heatsink blower requiring an AC supply source of 115 V at 50 – 60 Hz with the blower unit weighing 4.2 kg. It has a 24 V load voltage consumption of 1.6 A. The protection category of the drive is IP 10 which provides basic protection for internal components against accidental contact. The storage and transport are supported within - 30 °C to + 85 °C and maximum ambient operating temperature is + 55 °C with reduced nominal data. This ensures the drive’s durability across a wide range of conditions.
The KDA 2.1-150-3-AP0-U1 spindle drive is engineered with a focus on stability and consistent performance. The high stiffness ensures the spindle remains controlled and responsive even under changing load demands. These design choices make the spindle drive versatile, dependable and well suited to industrial requirements.
Frequently Asked Questions about KDA 2.1-150-3-AP0-U1:
Q: How does the KDA 2.1-150-3-AP0-U1 spindle drive maintain dynamic control during variable load transitions?
A: Its high stiffness and precise rotor position feedback ensure stable response across the full speed range. This design helps maintain control even under fluctuating spindle torque demands.
Q: What input mechanism enables analog-controlled spindle speed adjustment in the KDA 2.1-150-3-AP0-U1?
A: It accepts a ±10 V analog speed command for proportional control. This allows easy integration with analog controllers in precision machining environments.
Q: How does the KDA 2.1-150-3-AP0-U1 handle fault diagnostics and system feedback during operation?
A: The microcomputer supervises drive conditions and outputs fault or overload signals in real time. This enhances system safety and simplifies troubleshooting during runtime.
Q: What cooling setup is used in the KDA 2.1-150-3-AP0-U1 for thermal stability under continuous operation?
A: It uses a heatsink blower powered at 115 V AC to manage internal heat buildup. The blower ensures stable thermal performance across heavy-duty spindle applications.
Q: How does the KDA 2.1-150-3-AP0-U1 spindle drive ensure reliable operation across different environmental conditions?
A: It supports storage and transport temperatures from –30 °C to +85 °C with operation up to +55 °C. This wide thermal tolerance enhances its reliability in demanding plant environments.
