KDA 3.1-050-3-DP0-U1
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The Bosch Rexroth Indramat KDA 3.1-050-3-DP0-U1 belongs to the KDA Spindle Drives series and operates with internal fan cooling. It features a rated current of 50A, an input voltage of 3x220-230V AC, and supports a SERCOS communication interface. The drive has digital PWM control and a protection class of IP20.
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Product Description:
The KDA 3.1‑050‑3‑DP0‑U1 spindle drive is built by Bosch Rexroth Indramat. It belongs to the KDA Spindle Drive series which is developed for industrial automation systems. It requires an AC input supply of 115 VAC for its heat sink blower. The blower provides forced cooling to maintain optimal drive temperature.
The KDA 3.1‑050‑3‑DP0‑U1 spindle drive has a 300 V DC bus voltage for energy conversion. It delivers a rated current of 50 A for spindle operation. It accepts a digital 16-bit parallel speed command for precise control. It includes an auxiliary encoder input for spindle or motor feedback. No auxiliary interface is integrated in this specific model configuration. It is classified under Design 1 modular construction standard. It supports incremental or sinusoidal encoder types for velocity feedback. The KDA 3.1‑050‑3‑DP0‑U1 spindle drive uses an onboard microcomputer for diagnostics and motion control. It maintains internal position control across the full speed range. The Storage temperature ranges from -30 °C to +85 °C for safe transit and offline storage. It operates in environments from 5 °C to +45 °C when mounted vertically. It tolerates relative humidity up to 95 % non-condensing without performance degradation. It withstands mechanical vibration levels of approximately 5 g RMS across all axes.
The KDA 3.1‑050‑3‑DP0‑U1 spindle drive operates reliably up to 2000 m elevation without derating power output. It features IP10 enclosure protection, preventing ingress of objects over 50 mm diameter. Its heat sink is mounted on the control enclosure back for external heat dissipation. The blower unit is removable without affecting the main drive assembly. The KDA 3.1 series suits 2AD asynchronous or 1MB frameless motors rated 3-22 kW. It is optimal for highly stiff C-axis machine applications requiring tight positioning. It features thermistor protection on the heat sink to detect overheating faults. It includes fault diagnostics and shutoff logic to prevent its damage.
Frequently Asked Questions about KDA 3.1-050-3-DP0-U1:
Q: How does KDA 3.10503DP0U1 spindle drive regulate internal temperature?
A: The KDA 3.10503DP0U1 spindle drive employs a 115 VAC blower for forced cooling, mounted externally on the enclosure to regulate thermal performance under heavy loads.
Q: What speed control resolution is supported by KDA 3.10503DP0U1 spindle drive?
A: The KDA 3.10503DP0U1 spindle drive processes a 16-bit parallel digital command, enabling high-resolution spindle speed control in synchronized machining operations.
Q: What encoder compatibility options exist for KDA 3.10503DP0U1 spindle drive?
A: The KDA 3.10503DP0U1 spindle drive supports both incremental and sinusoidal encoder types via its auxiliary input, allowing closed-loop feedback with multiple motor formats.
Q: What diagnostic features are integrated in KDA 3.10503DP0U1 spindle drive?
A: The KDA 3.10503DP0U1 spindle drive incorporates an onboard microcomputer that executes motion logic, fault diagnostics, and automatic shutoff to protect internal circuitry.
Q: How is vibration endurance handled in KDA 3.10503DP0U1 spindle drive?
A: The KDA 3.10503DP0U1 spindle drive tolerates 5 g RMS vibration across all axes, ensuring mechanical and electronic stability in harsh machine tool environments.
