KDA 3.1-100-3-LPI-U1
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The KDA 3.1-100-3-LPI-U1 is a vertical spindle drive with an internal blower cooling system and a nominal output current of 100 A. Manufactured by Bosch Rexroth Indramat as part of their KDA Spindle Drives series, it operates with a DC link voltage up to 700 V. The unit weighs approximately 17 kg.
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Product Description:
The KDA 3.1-100-3-LPI-U1 Main Spindle Drive offers a stable and efficient operation with a rated current of 100 A. The drive features forced cooling via a heatsink blower and ensures safe and reliable performance.
This KDA 3.1-100-3-LPI-U1 spindle drive from Rexroth Indramat supports auxiliary encoder inputs for spindle or second motor feedback. It is equipped with an incremental encoder output for precise control. The rated current of the model is 100 A with a ± 15 V measuring voltage of 160 mA. It operates within a storage and transport temperature range of – 30 °C to + 85 °C. The forced cooling system is powered by an AC supply of 220 V, 50 – 60 Hz which drives the heatsink blower. The protection category of the unit is IP 10 that provides a minor level of protection against dust ingress. When the power supply of the drive is disconnected, the internal capacitors require a discharge time of one minute. This time allows users to safely access internal components without risk of electrical shock. The drive must have a transparent safety guard which must be securely fastened during operation to protect users from electrical components and moving parts.
The KDA 3.1-100-3-LPI-U1 spindle drive has an auxiliary interface for additional motor feedback and utilizes forced cooling to maintain optimal performance. The drive comes with an incremental encoder output which allows for seamless communication with the system for enhanced precision and control. It is critical to ensure the blower is operating and that airflow is unobstructed to avoid overheating. The electrical connections must be carefully managed with proper grounding to minimize electromagnetic interference and ensure user safety. The cable management is also essential to prevent accidental disconnections or damage to the system.
Frequently Asked Questions about KDA 3.1-100-3-LPI-U1:
Q: How does the KDA 3.1-100-3-LPI-U1 spindle drive ensure thermal stability during prolonged industrial use?
A: It uses forced cooling via a heatsink blower, powered by a dedicated AC supply. Continuous airflow must be maintained to prevent heat accumulation and ensure reliable long-cycle operation.
Q: What should be considered when using the KDA 3.1-100-3-LPI-U1 in systems requiring precise multi-motor control?
A: Its auxiliary encoder interface allows secondary motor feedback integration. This enables enhanced synchronization and positional accuracy in spindle applications with complex control demands.
Q: How does the KDA 3.1-100-3-LPI-U1 maintain signal clarity and system safety in dense electrical setups?
A: Proper grounding and cable management are essential to minimize electromagnetic interference. Secure routing prevents accidental disconnects and improves both performance and operational safety.
Q: What precautions must be taken before accessing internal components of the KDA 3.1-100-3-LPI-U1 drive?
A: After disconnecting the power, internal capacitors need a one-minute discharge period. This waiting time prevents electrical shock during service or inspection.
Q: How does the KDA 3.1-100-3-LPI-U1 enhance real-time spindle control in dynamic operations?
A: It features an incremental encoder output that ensures precise system feedback and motion control. This supports high-resolution response during rapid speed or directional changes.
