KDA 3.1-050-3-DPD-U1
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The KDA 3.1-050-3-DPD-U1 spindle drive features a rated current of 50A and operates on a DC bus voltage of 300V. Produced by Bosch Rexroth Indramat as part of the KDA Spindle Drives series, it supports a power supply voltage of 3x230/400V AC at 50/60Hz. The unit is air-cooled and weighs approximately 10.5 kg.
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Product Description:
Bosch Indramat is a global leader in automation and drive technologies which offers advanced solutions for industrial motion control. The KDA 3.1-050-3-DPD-U1 spindle drive is part of their KDA Spindle Drives product line and features Drive Series 3 with a Drive Design 1 layout. It utilizes blower cooling which employs forced air circulation to efficiently manage internal temperatures and ensure reliable performance during continuous high-speed spindle operations.
The KDA 3.1-050-3-DPD-U1 Spindle Drive operates at a current of 50 A and supports a DC bus voltage of 300 V. The speed command values are processed digitally through a 16-bit parallel interface for precise motor control. This spindle drive includes an auxiliary encoder input that provides feedback for the spindle or a secondary motor. It also features an auxiliary interface for position command values handled via a 16-bit parallel digital signal. The heatsink blower is powered by a 115 V AC supply operating at 50/60 Hz frequency. The drive can sustain a continuous current of 35 A during operation. The heatsink blower weighs 4.2 kg while the entire drive unit has a mass of 16.6 kg. This design supports efficient thermal management and robust performance.
The KDA 3.1-050-3-DPD-U1 operates within a temperature range of +5 to +45 °C, suitable for many industrial environments. It can be stored or transported in conditions from -30 to +85 °C without damage. The protection category of IP10 indicates limited protection against dust and no protection against water. This makes the drive ideal for clean and controlled installations. The KDA Spindle Drives combine digital precision, reliable cooling and durable construction for demanding manufacturing usage.
Frequently Asked Questions about KDA 3.1-050-3-DPD-U1:
Q: Why is a 16-bit parallel interface used in the KDA 3.1-050-3-DPD-U1?
A: The 16-bit parallel interface provides faster, more accurate transmission of speed commands, enabling finer spindle speed regulation in high-performance applications.
Q: How does the auxiliary encoder input improve motion control?
A: The auxiliary encoder input allows synchronized feedback from a secondary motor or spindle, enhancing multi-axis coordination and positioning accuracy.
Q: Why is blower cooling chosen instead of passive cooling in KDA 3.1-050-3-DPD-U1?
A: The blower cooling enables forced air circulation, which dissipates heat more effectively during high-speed, continuous operations compared to passive heat dissipation.
Q: What are the benefits of the Drive Series 3 design?
A: The Drive Series 3 design introduces modular architecture and improved component durability, supporting scalability in demanding automation setups.
Q: How does the 115 V AC blower voltage impact cooling performance in the KDA 3.1-050-3-DPD-U1?
A: The 115 V AC blower maintains consistent airflow at 50/60 Hz, ensuring uniform heat management regardless of regional power variations.
