KDA 2.1-050-3-LP0-W1
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The KDA 2.1-050-3-LP0-W1 is a 13-kilogram, single-axis servo drive with an input voltage of AC 3 x 230/400V. Manufactured by Bosch Rexroth Indramat as part of their KDA Spindle Drives series, it features air cooling and supports SERCOS and analog network compatibility. The drive is IP10 rated.
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Product Description:
The KDA 2.1-050-3-LP0-W1 Main Spindle Drive is a panel mounted unit designed for control cabinets. It operates efficiently in environments with ambient temperatures from +5 °C to +45 °C.
The KDA 2.1-050-3-LP0-W1 main spindle drive unit is manufactured by Bosch Rexroth. It is designed to deliver a output current of 50 A that ensures consistent performance under prolonged load conditions. The unit is designed for continuous S1 duty cycle and supports a wide speed/torque range. At lower speeds, it provides constant torque while in the field weakening region it maintains constant power. The spindle drive is powered by a direct current (DC) bus system. The nominal DC bus voltage supplied to the drive is 300 volts DC (VDC) which is typically maintained by a rectifier or a DC link circuit in the power module. This voltage level is critical for the proper operation of the motor control electronics and is used to drive the power inverter stage within the spindle drive system. The speed command is processed via the digital SERCOS interface. However, no auxiliary interface is present. The integrated cooling system in this model relies on forced convection using a heatsink blower. This blower operates on an external AC supply of 220 VAC. The high stiffness and low drift ensure dynamic positioning performance especially for precision C axis tasks.
The KDA 2.1-050-3-LP0-W1 main spindle drive architecture optimizes dynamic motor behavior especially during acceleration and deceleration. The electromagnetic compatibility and regulatory standards are observed. It functions reliably up to an altitude of 1000 meters with a recommended storage temperature as low as -30 °C. The unit’s mounting is suitable for control cabinet integration via panel installation. This KDA series main spindle drive is designed for efficient thermal dissipation under continuous load.
Frequently Asked Questions about KDA 2.1-050-3-LP0-W1:
Q: How does the KDA 2.1-050-3-LP0-W1 main spindle drive maintain torque accuracy under varying speed conditions?
A: It ensures constant torque output at low speeds and constant power in the field weakening range. This balance allows optimized spindle behavior across high-precision machining tasks.
Q: What benefits does the SERCOS interface offer in the KDA 2.1-050-3-LP0-W1 drive for motion synchronization?
A: It processes speed commands digitally for deterministic communication. This enhances timing precision and coordination with other drives or control systems.
Q: Can the KDA 2.1-050-3-LP0-W1 main spindle drive support secondary motor feedback integration in multi-axis applications?
A: It includes an auxiliary encoder input for additional motor or spindle feedback. This improves control accuracy where dual-sensor synchronization is required.
Q: How does the thermal management system in the KDA 2.1-050-3-LP0-W1 enable continuous high-load performance?
A: The heatsink blower ensures forced air cooling during extended operation. It operates from an external 220 VAC supply to stabilize thermal conditions within the control cabinet.
Q: How does the KDA 2.1-050-3-LP0-W1 drive maintain control performance under dynamic load shifts?
A: It uses field-oriented control to regulate torque with minimal error during rapid transitions. High stiffness and low drift enable consistent accuracy in C-axis and spindle-intensive tasks.
