KDA 2.1-100-3-AYD-W1
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The Bosch Rexroth Indramat KDA 2.1-100-3-AYD-W1, part of the KDA Spindle Drives series, is air-cooled and features digital closed loop control. It operates at a rated output current of 100 Amps and supports a 3-axis system. The unit has an IP20 protection rating and a communication interface compatible with SERCOS.
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Product Description:
The Spindle Drive KDA 2.1-100-3-AYD-W1 is produced by Bosch Rexroth Indramat, and it accommodates a DC bus voltage of 300 V, providing sufficient power to operate the spindle motor under dynamic loads. This drive features forced cooling, attained through a specialized heatsink blower, which ensures internal temperature levels during prolonged operation cycles with a continuous power supply.
The heatsink blower of the KDA 2.1-100-3-AYD-W1 drive is powered by an AC supply source rated at 220V and a frequency of 50–60 Hz, guaranteeing consistent cooling. Its enclosure is completely sealed and meets DIN 40 050 specifications to shield the interior electronics from dust, humidity, and contamination due to external machinery. The permissible mounting orientation of this drive is vertical, which promotes natural airflow and correct internal alignment. Its grounding bolts should be at the top when mounted to provide proper electrical grounding and safety regulation. This drive’s rated current is 100 amperes, which provides high-performance torque output under continuous motor control through rapid acceleration or braking. This drive’s position command input is taken through a 16-bit digital parallel interface, providing high-resolution feedback for precise motion and positioning routines. This position input is taken through the 25-pin auxiliary X6 connector, which provides safe data transmission for coordinated spindle control and precise control.
This KDA 2.1-100-3-AYD-W1 spindle drive weighs 17.1 kilograms and is a compact but heavy-duty unit that is well suited for mounting within electrical enclosures where weight and space are restricted. This spindle drive is rated to operate under the highest ambient operating temperature of +55 °C to promote reliability and efficiency even in hot production environments. This drive conforms to the F humidity grade according to DIN 40 040, thus being appropriate for use in rooms with higher atmospheric moisture common in industrial production areas. This spindle drive is IP10-protected, which prevents exposure to dangerous parts and reduces solid object intrusion of more than 50mm in diameter.
Frequently Asked Questions about KDA 2.1-100-3-AYD-W1:
Q: How does the 16-bit digital position input improve spindle accuracy?
A: The 16-bit parallel interface allows high-resolution feedback, minimizing position error during spindle movement. It ensures consistent results in high-precision applications like CNC machining.
Q: Why does the KDA 2.1-100-3-AYD-W1 require vertical mounting only?
A: Vertical mounting ensures optimal internal cooling airflow and structural balance. This configuration also aligns grounding points correctly for safe electrical operation.
Q: How does the synchronous encoder input help during high-speed operations?
A: It provides real-time motor position updates, reducing lag during dynamic speed shifts. This is critical in systems requiring rapid acceleration and deceleration.
Q: What advantage does the 100A rated current offer in KDA 2.1-100-3-AYD-W1?
A: The high current rating supports heavy-load spindles without causing drive overheating. This enables sustained power delivery during continuous operation cycles.
Q: Why is forced cooling preferred over passive cooling in this spindle drive?
A: Forced cooling actively removes heat, preventing thermal buildup under high-speed operations. This allows the drive to operate efficiently without shutdowns or derating.