KDA 3.1-150-3-LQ0-W1
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The Bosch Rexroth Indramat KDA 3.1-150-3-LQ0-W1 spindle drive, part of the KDA Spindle Drives series, is air-cooled and offers cabinet mounting. It features a rated current of 150 Amps, operates on 3 phases with a supply voltage of 3 x 400 V AC. The drive weighs approximately 32 kg and measures 330mm in width, 445mm in height, and 270mm in depth.
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Product Description:
The Bosch made KDA 3.1-150-3-LQ0-W1 Spindle Drive has an electrical protection category of IP 10 as per DIN 40 050 for protection against large solid objects. This drive is provided with an auxiliary encoder input that accepts 1V sinusoidal encoder signals for accurate control feedback and enhanced positioning accuracy.
This drive has a DC bus voltage of 300 V, providing efficient delivery of energy to the spindle motor for long-term performance under load. Having a 90 A continuous current rating, this drive offers the power output required for high-torque use and heavy-duty industrial machining without performance reduction. The measurement circuits take 160 mA from a ±15V measurement voltage, enabling integration with high-precision monitoring systems. The installation of this drive is allowed at up to altitudes of 1,000 meters above sea level, with reliable operation without altitude derating. The operational ambient temperature range of the KDA 3.1-150-3-LQ0-W1 drive is between +5 °C and +45 °C, supporting stability of performance under moderate climate-controlled conditions. For transport or storage, this drive can support a temperature range from -30 to +85 °C, safeguarding its internal components when shipped or stored in warehouses.
The tightening torque for this drive’s connection with the motor is set at 5 Nm to properly couple the spindle motor and the drive interface securely. The allowed mounting position of this spindle drive is vertical, with grounding bolts at the top for proper mechanical alignment and optimal cooling air flow. The KDA 3.1-150-3-LQ0-W1 spindle drive has an onboard dedicated cooling system complemented by a blower unit. This blower unit has a 4.2 kg weight, built to dissipate heat under full load conditions effectively. This blower necessitates an AC power source of 220 V at 50 to 60 Hz frequency to ensure steady air flow.
Frequently Asked Questions about KDA 3.1-150-3-LQ0-W1:
Q: How does the auxiliary encoder input benefit the KDA 3.1-150-3-LQ0-W1?
A: It allows precise spindle speed and position feedback for improved machining accuracy. This ensures smoother control in demanding industrial processes.
Q: Why is a 300 V DC bus voltage important in this spindle drive?
A: It provides efficient power delivery to the motor for stable torque output. This helps in maintaining consistent spindle performance during high-load tasks.
Q: How does the 90 A continuous current rating improve reliability?
A: It ensures the spindle drive can handle heavy-duty cycles without overheating. This supports long-term operation in production environments.
Q: Why does the KDA 3.1-150-3-LQ0-W1 require vertical mounting orientation?
A: Vertical mounting optimizes cooling airflow from the blower system. It also maintains proper alignment for internal components.
Q: How does IP 10 protection influence operational environments?
A: It protects against large object intrusion, ensuring internal parts remain undamaged. This makes it suitable for clean, controlled settings.
