KDA 3.1-150-3-D0I-U1
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The KDA 3.1-150-3-D0I-U1 spindle drive offers a rated output current of 150 amps, supports feedback via resolver or encoder, and operates with a supply voltage of 3 x 230/460 V AC. As part of the KDA Spindle Drives by Bosch Rexroth Indramat, it uses internal cooling and is designed for control cabinet mounting.
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Product Description:
The Bosch Indramat's KDA 3.1-150-3-D0I-U1 spindle drive is designed for excellent performance. It is precision-engineered and incorporates forced cooling via a heatsink blower. This allows for optimal temperature management in harsh industrial situations. It is a member of the KDA Spindle Drives series which is suitable for machine tool applications.
The KDA 3.1-150-3-D0I-U1 has robust electrical standards. With a rated DC bus voltage of 300V and a rated current of 150A it provides dependable and consistent performance. The drive can handle continuous current up to 90A. The power consumption is 1.6A at +24V load voltage and 160mA at ±15V measurement voltage. The blower supply voltage can be 220V/50-60Hz or 115V/50-60Hz depending on the model. This drive runs in an ambient temperature range of +5°C to +45°C, with a maximum tolerance of +55°C. It can endure storage and transportation temperatures ranging from -30°C to +85°C. The drive is designed to function at an installation elevation up to 1000 meters and can handle relative humidity up to 70%, as per DIN 40 040 standards. Additionally, it provides an IP 10 protection category, safeguarding it from large objects greater than 50mm, but it is not protected from water. The drive weighs 17.4 kg, with the mechanical mounting kit weighing 1.7 kg and the blower unit weighing 4.2 kg.
The KDA 3.1-150-3-D0I-U1 also has accurate thermal management, with an internal heat loss of 200W and an external heat loss of 400W to 500W. With a cooling air flow of 32 l/s and a maximum air speed of 3-4 m/s it manages its temperature effectively. Its mechanical dimensions are tiny, measuring 355mm wide, 505mm tall and 150mm deep (without air duct) or 185mm with air duct. The drive is ideal for vertical mounting in control enclosures, as it follows installation rules and is completely optimized for use.
Frequently Asked Questions about KDA 3.1-150-3-D0I-U1:
Q: How does the KDA 3.1-150-3-D0I-U1 maintain temperature under high-load conditions?
A: The unit features an external heat dissipation method using the heatsink mounted on the back panel. This helps in keeping the drive’s internal components cool without requiring additional cooling units.
Q: Why is the KDA 3.1-150-3-D0I-U1 rated for a 300V DC bus voltage?
A: A 300V DC bus voltage is ideal for industrial applications requiring consistent and efficient power delivery. It ensures compatibility with a wide range of motor types and optimizes performance.
Q: What does the high-resolution motor feedback feature in the KDA 3.1-150-3-D0I-U1 provide?
A: High-resolution motor feedback ensures accurate position control, especially in spindle and C-axis applications. This feature improves the precision of machining tasks.
Q: How does the KDA 3.1-150-3-D0I-U1 handle varying environmental conditions?
A: It operates efficiently within an ambient temperature range of +5°C to +45°C, with a peak tolerance of +55°C. This ensures reliability across different climates and industrial settings.
Q: What is the purpose of the digital control signal input (D0I) in the KDA 3.1-150-3-D0I-U1?
A: The digital control signal input allows for more precise and faster communication between the drive and the controller. This helps in improving system performance and responsiveness.
