KDA 3.1-100-3-DPI-W1
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The KDA 3.1-100-3-DPI-W1 spindle drive offers a nominal power output of 100 amps, internal fan cooling, a maximum overload capability of 150% for 60 seconds, and an enclosure protection code of IP65. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it operates at 3 x 380-480 VAC with a frequency of 50-60 Hz.
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Product Description:
The model KDA 3.1-100-3-DPI-W1 is a compact high performance main spindle drive from Rexroth Indramat. It delivers accurate positioning and excellent stiffness. The unit supports a wide speed range for spindle operations. It operates under standard ambient conditions and integrates into vertical systems easily.
The KDA 3.1-100-3-DPI-W1 main spindle drive uses a forced cooling system through an integrated heatsink blower. This blower operates at 220 VAC and delivers airflow at approximately 32 liters per second and a velocity of 3 to 4 meters per second. The mounting orientation of the model is vertical with grounding bolts positioned on top. It comes with mounting accessories including Kit M1-KD and blower LE4. The drive weighs around 17 kg while the mounting parts and blower add 1.7 kg and 4.2 kg respectively. The heat dissipation occurs externally via the heatsink. It maintains performance in ambient temperatures between + 5 °C and + 45 °C with derated operation up to +55°C. The protection rating of this motor conforms to IP 10 as per DIN 40 050 and humidity compliance follows DIN 40 040. The drive features standard terminal connections for uniformity across the product series. The rated current of this drive is 100 A with a DC bus voltage of 300 V DC. The unit accepts a digital 16 bit parallel speed command signal for efficient control.
The KDA 3.1-100-3-DPI-W1 main spindle drive from the KDA series includes an auxiliary encoder input. This enables secondary motor or spindle feedback integration. It also supports an incremental encoder output through its auxiliary interface. These feedback features support improved control and synchronization. The system's compact structure combined with high stiffness and feedback options allows for accurate and dynamic spindle control.
Frequently Asked Questions about KDA 3.1-100-3-DPI-W1:
Q: How does the KDA 3.1-100-3-DPI-W1 spindle drive manage forced cooling efficiency under extended load?
A: It uses a heatsink-integrated blower operating at 220 VAC, producing airflow of around 32 liters per second. This ensures consistent heat removal when running at elevated spindle speeds.
Q: What encoder integration flexibility does the KDA 3.1-100-3-DPI-W1 offer for closed-loop applications?
A: The drive features an auxiliary encoder input and incremental encoder output for dual feedback setups. This supports enhanced synchronization between primary and secondary axes during coordinated control tasks.
Q: How does the KDA 3.1-100-3-DPI-W1 perform when installed in high-density cabinet layouts?
A: Its vertical mounting orientation and top-positioned grounding bolts streamline integration in compact enclosures. The design minimizes footprint while supporting stable grounding for electrical noise mitigation.
Q: What should be considered about environmental compatibility when deploying the KDA 3.1-100-3-DPI-W1 in varied ambient conditions?
A: It operates optimally from +5 °C to +45 °C, with derating up to +55 °C. The build complies with DIN 40 050 (IP10) and DIN 40 040 for protection and humidity standards.
Q: How does the KDA 3.1-100-3-DPI-W1 achieve dynamic spindle control with precision?
A: It accepts a 16-bit parallel digital speed command and delivers 100 A rated current at 300 V DC. This enables fast, accurate control with low latency in spindle-driven operations.
