VLM21E-ALNC-00
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The VLM21E-ALNC-00 is a Kollmorgen VLM series brushless servo motor designed for industrial automation applications. This compact motor offers a maximum speed of 6000 rpm and a rated speed of 3000 rpm. It delivers a torque of 0.48 Nm and a power output of 0.26 kW. With a weight of 1.4 kg and an inertia of 0.429 kg-cm², this motor is suitable for dynamic applications.
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Product Description:
Kollmorgen manufactures the VLM21E-ALNC-00. It is a brushless servo motor for industrial automation. Made by Kollmorgen, this motor is part of the VLM series. One key spec is the max speed of 6000 rpm. This high speed is for demanding applications that require fast motion. Along with that is the rated speed of 3000 rpm where the motor produces its rated power. The rated power of 0.14 kW at rated speed means the motor can run continuously under normal conditions. This is important for applications that have specific power requirements. The torque output is key to the motor’s ability to do work. The VLM21E-ALNC-00 has 0.48 Nm torque to drive mechanical loads. This torque is for applications that need lots of rotational force.
The max current draw of 2.99A is for the motor’s power consumption and is important for sizing the electrical supply. The motor has three pole pairs, which affects the motor’s speed and torque characteristics. The number of pole pairs affects the relationship between the electrical frequency and mechanical speed of the motor. Thermal characteristics play a big role in the motor’s performance and lifespan. The VLM21E-ALNC-00 has a thermal time constant of 7.5 minutes. This is the time it takes for the motor to reach around 63.2% of its final temperature change. A shorter thermal time constant means faster temperature change. The thermal resistance of 2.4 °C/W means how much the motor’s temperature rises for every watt of power dissipated as heat. A lower thermal resistance means better heat dissipation. These thermal specs are important to prevent overheating and ensure reliability.
The motor’s mechanical specs also matter. The VLM21E-ALNC-00 weighs 1.4 kg, which is important for overall system weight and mounting requirements. The inertia of 0.429 kg-cm² (including resolver feedback) is for acceleration and deceleration. Lower inertia means faster response time. The static friction of 0.008 N-m is the torque to initiate movement, and the viscous damping of 0.003 N-m/krpm is the resistance to motion proportional to speed. These affect the motor’s overall efficiency and control.
Frequently Asked Questions about VLM21E-ALNC-00:
Q: What is the maximum speed of the VLM21E-ALNC-00 motor?
A: This motor has a maximum speed of 6000 rpm, allowing it to operate efficiently in high-speed industrial environments while maintaining stability and performance.
Q: What is the rated speed and power output of this motor?
A: The motor operates at a rated speed of 3000 rpm and delivers a rated power of 0.14 kW at that speed, making it suitable for applications that require continuous and stable performance.
Q: What are the torque and current specifications of this motor?
A: The Kollmorgen VLM21E-ALNC-00 provides a torque output of 0.48 Nm and has a maximum current draw of 2.99A, ensuring reliable torque generation for demanding automation tasks.
Q: What are the motor's thermal characteristics?
A: This motor features a thermal time constant of 7.5 minutes and a thermal resistance of 2.4 °C/W, allowing it to dissipate heat efficiently and maintain performance in continuous operation.
Q: How does the motor's inertia affect its performance?
A: With an inertia of 0.429 kg-cm², the VLM21E-ALNC-00 ensures smooth acceleration and deceleration, making it ideal for applications requiring dynamic movement and precise control.
