KDA 3.1-150-3-LQD-U1
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The KDA 3.1-150-3-LQD-U1 servo drive offers a rated output current of 150 amps, operates on a supply voltage of 3x230/400 V AC, features air cooling, and includes an integrated braking resistor. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it supports a SERCOS communication interface.
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Product Description:
The KDA 3.1-150-3-LQD-U1 Spindle Drive by Bosch Rexroth Indramat features a heatsink fan operated at 115V at 50-60Hz for efficient thermal management. This spindle drive delivers consistent performance in up to +55 °C ambient temperature, which is ideal for high-temperature work environments.
For mounting, the permitted mounting orientation for this spindle drive is vertical with the grounding bolts in the upward direction. This orientation ensures maximum heat dissipation and electrical safety. The mass of this spindle drive is 17.4 kg to give high structural support and prevent excessive vibration during spindle operation. This spindle drive also needs 1.6 A current consumption from a +24V source to drive its control and operating circuits effectively. The mechanical linkage between this spindle drive and motor is fastened with a fastening torque of 5 Nm for a secure interface under dynamic loads. For reliable storage and transportation temperature conditions, the KDA 3.1-150-3-LQD-U1 spindle drive can withstand a temperature range from -30 °C to +85 °C. This spindle drive is operated by a velocity control signal through SERCOS-Link to facilitate high-speed and synchronized communication with compatible control systems.
Apart from velocity control, the position precision of this drive is improved by an auxiliary port with a 16-bit parallel digital input for the position control signal. The maximum allowed installation altitude for the KDA 3.1-150-3-LQD-U1 spindle drive is 1,000 meters above sea level to meet performance requirements at different altitudes. This spindle drive maintains a constant current output of 90 A, which allows it to sustain continuous high-power spindle loads without impacting performance. Furthermore, its current draw for ±15V feedback sensing voltage is 160 mA, guaranteeing precise processing of feedback and monitoring signals from peripheral devices.
Frequently Asked Questions about KDA 3.1-150-3-LQD-U1:
Q: Why is a 16-bit parallel digital input used for position control?
A: A 16-bit input allows fine resolution for precise positioning in demanding automation tasks. It also ensures accurate feedback for smooth and consistent spindle movements.
Q: How does SERCOS-Link communication benefit the KDA 3.1-150-3-LQD-U1?
A: SERCOS-Link ensures high-speed data exchange with minimal latency for precise motion control. It enables synchronization between the drive and the control system for improved process accuracy.
Q: How does the 115V/50-60Hz heatsink fan power improve performance?
A: This power input ensures consistent fan operation, maintaining optimal thermal conditions. Stable cooling extends the drive’s lifespan and prevents performance degradation.
Q: What is the role of the 5 Nm fastening torque on the motor link?
A: It ensures a secure mechanical and electrical connection between the motor and the drive. Proper torque prevents slippage and maintains signal integrity.
Q: Why is ±15V sensing voltage current usage important in the KDA 3.1-150-3-LQD-U1?
A: It ensures accurate signal processing for feedback devices. This stability supports consistent spindle speed and torque control.
