KDA 3.1-100-3-AYI-U1
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The KDA 3.1-100-3-AYI-U1 spindle drive features a rated current of 100 A and operates on 230/400 V at 50/60 Hz. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives, it is air-cooled and designed for control cabinet mounting. This digital SERCOS drive weighs approximately 28 kilograms.
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Product Description:
The KDA 3.1-100-3-AYS-U1 drive utilizes forced cooling technology along with a heatsink blower to maintain temperature output in perpetual duty use cases. This Bosch Rexroth Indramat has specifically engineered this spindle drive.
To securely hold the electrical terminals, this KDA 3.1-100-3-AYS-U1 drive has a specified tightening torque requirement of 5 Nm for a secure and reliable connection. It is rated at a 100 A steady-state current rating and has the power needed for spindle loads under high-speed conditions. The blower of this motor draws its energy from an AC supply voltage of 115 V with an operational frequency range of 50 to 60 Hz. It operates with a temperature range of + 5 to + 45 °C when running in ambient conditions. This temperature range enables its installation in typical industrial environments without performance degradation. The enclosure of this drive meets humidity classification F according to DIN 40 040, thus ensuring suitability for use in applications that demand predefined humidity tolerance levels. Its maximum installation altitude of 1,000 meters above sea level ensures proper cooling operation and prevents efficiency loss in areas where air density reduces.
This drive features cutting-edge feedback interfaces, such as an auxiliary encoder input with synchronous input to support fine operational coordination. Furthermore, this drive offers incremental encoder output as an auxiliary interface to allow accurate motor speed and position feedback in machining operations. For speed control, the KDA 3.1-100-3-AYI-U1 drive accepts an analog command value of ±10 V to allow precise adjustments. Its installation specifications consist of a 1.7 kg mechanical mounting accessory that can be securely and stably positioned in machine assemblies. The KDA 3.1-100-3-AYI-U1 drive has a DC bus voltage of 300 V, which means that the motor is always supplied with stable voltage.
Frequently Asked Questions about KDA 3.1-100-3-AYI-U1:
Q: How does the forced cooling method benefit the KDA 3.1-100-3-AYI-U1?
A: It prevents overheating by using a blower to circulate air across the heatsink. This ensures consistent thermal stability during prolonged high-power operations.
Q: Why is the tightening torque of 5 Nm important in this spindle drive?
A: It ensures secure motor connections that prevent electrical faults under load. Stable torque application reduces risks of connection loosening during operation.
Q: How does the auxiliary encoder input enhance spindle performance in KDA 3.1-100-3-AYI-U1?
A: It allows synchronization with external feedback systems for accurate control. This ensures precision in speed regulation and positioning.
Q: What is the role of the incremental encoder output in this spindle drive?
A: It provides continuous motor position and speed feedback to controllers. This output supports closed-loop control in machining systems.
Q: Why is the analog ±10 V speed command valuable in spindle applications?
A: It delivers precise and adjustable spindle speed control. This supports smooth transitions across varying machining requirements.
