KDA 3.2-050-3-AQD-U1
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The KDA 3.2-050-3-AQD-U1 is a precision spindle drive with 50 Nm rated output torque and an IP65 protection rating. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives series, it features a reduction ratio of 3.2 and weighs approximately 3.5 kg. Its efficiency exceeds 95%.
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Product Description:
The KDA 3.2-050-3-AQD-U1 Spindle Drive from Bosch delivers efficient, high-performance operation with a 300V DC link, standard 115V AC blower input and reliable function in ambient temperatures up to 55 °C under reduced load. This module has an adaptable thermal and electrical design which ensures seamless integration into advanced manufacturing settings.
The KDA 3.2-050-3-AQD-U1 drive receives its rotational speed instructions through an analog voltage signal that ranges from negative to positive 10 volts and it is engineered to handle electrical current of up to 50 amperes during typical operations. It is minimally protected against solid foreign bodies larger than 50 mm but offers no defense against moisture and its allowable moisture levels follow the DIN 40040 Class F standard which means the unit can operate in relatively humid conditions but still must avoid direct exposure to condensation or water. The completed drive module weight is 16.6 kilograms which suggests a fairly compact, yet substantial construction and it is heavy enough to imply durable internal hardware but still manageable for installation. It uses a built-in fan system to expel heat via an attached heat sink and it can function with full capacity and performance at elevations up to 1000 meters and beyond this altitude, thinner air may affect cooling efficiency.
The Bosch built KDA 3.2-050-3-AQD-U1 spindle drive can consistently carry 35 amps of current without overheating or sustaining wear during and it can accept high-resolution digital position up to 16 bit data via a parallel interface which enables precise control, suitable for automated positioning systems or CNC setups. It maintains optimal functionality within +5 to +45 °C environmental conditions and it supports 1V peak-to-peak sine wave encoders which are commonly deployed for fine-grained position feedback in high-precision machinery.
Frequently Asked Questions about KDA 3.2-050-3-AQD-U1:
Q: How does the 16-bit parallel interface benefit motion control applications?
A: The 16-bit interface ensures high-resolution position commands, critical for accurate, real-time positioning. It reduces latency and increases precision in multi-axis motion systems.
Q: Why is forced cooling used in the Bosch KDA 3.2‑050‑3‑AQD‑U1 drive?
A: Forced-air cooling maintains thermal stability during high-load cycles. It ensures the drive operates reliably even under continuous or demanding conditions.
Q: What is the function of the 1V sinusoidal encoder input on KDA 3.2‑050‑3‑AQD‑U1?
A: This input supports fine-resolution feedback, improving axis positioning accuracy. It is ideal for high-precision applications like CNC machining and robotics.
Q: How does ±10V analog input improve speed control in this spindle drive?
A: It allows continuous, smooth adjustments to motor speed based on analog voltage changes. This provides better responsiveness and control in variable-speed operations.
Q: What happens if the KDA 3.2‑050‑3‑AQD‑U1 is used above 1000m elevation?
A: Cooling efficiency may decline due to reduced air density. Derating the load or improving ventilation is necessary to avoid thermal stress.
