KDA 2.1-100-3-LPI-W1

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The KDA 2.1-100-3-LPI-W1 is a linear actuator featuring a 100 mm stroke length and a precision ball screw drive. Manufactured by Bosch Rexroth Indramat as part of their KDA Spindle Drives series, it is equipped with a stainless steel enclosure for corrosion resistance. It offers ±0.01 mm repeatability.

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Product Description:

The Bosch Rexroth KDA 2.1-100-3-LPI-W1 is a high-performance spindle drive. This drive's precision and dependability make it perfect for industrial applications that demand steady power and strong performance.

The KDA 2.1-100-3-LPI-W1 can handle 100 A of rated current and a 300 volts DC bus voltage. It supports asynchronous and frameless spindle motors, providing versatility for a variety of motor types. The drive has a continuous current rating of 70 A and forced cooling via a heatsink fan that results in effective heat dissipation with an airflow of 32 l/sec. It has an operating temperature range of +5°C to +45°C with extended limitations of up to +55°C at lower performance. The unit can be put up to 1000 meters above sea level without causing significant data loss, making it suitable for a variety of settings. For more flexibility, the drive supports digital position command values as well as serial interfaces (RS 232 C). The drive weighs 17.1 kg. Additionally, it comes with a 1.7 kg mechanical mounting kit as well as a 4.2 kilograms blower unit. The drive has an IP 10 rating, which ensures protection from items larger than 50 mm.

The KDA 2.1-100-3-LPI-W1 operates best in situations with humidity levels of up to 70% and meets Class B EMC criteria for electromagnetic compatibility. The spindle drive provides a variety of connecting possibilities. Speed directives can be sent by analogue (±10V), digital (16-bit parallel) or SERCOS interface. Auxiliary synchronous inputs and encoder inputs for spindle or second motor feedback are also included. Under challenging conditions, the drive's advanced design ensures optimal performance.

Bearing Type
Linear Profile Rail
Cooling
Forced cooling by heatsink blower
DC Bus Voltage
300V
Drive Type
Precision Ball Screw
Enclosure Material
W1 (Stainless Steel/Corrosion Resistant)
Guide System
Integrated Guide Rail
Lead
3 mm
Max. Speed
Not specified (depends on drive input)
Maximum Load Capacity
2.1 kN
Mounting Configuration
LPI
Operating Temperature Range
-10°C to +60°C
Rated Current
100 A
Repeatability
±0.01 mm
Stroke Length
100 mm
Type
Linear Actuator
  • KDA 211003LPIW1

Frequently Asked Questions about KDA 2.1-100-3-LPI-W1:

Q: Why is the KDA 2.1-100-3-LPI-W1 rated for a maximum installation elevation of 1000 meters?

A: The drive is designed to maintain its rated performance up to 1000 meters, ensuring no data reduction in standard operating conditions. It accounts for altitude-related factors that could affect system efficiency.

Q: How does the digital interface enhance the functionality of the KDA 2.1-100-3-LPI-W1?

A: The digital (16-bit parallel) interface ensures precise speed and position control with high resolution. It also allows seamless communication with compatible CNC systems for optimal synchronization.

Q: Why does the KDA 2.1-100-3-LPI-W1 feature multiple encoder input options?

A: The auxiliary encoder inputs allow for enhanced feedback, supporting both spindle and secondary motor feedback. This feature improves precision and synchronization for complex machinery operations.

Q: How does the KDA 2.1-100-3-LPI-W1 ensure electromagnetic compatibility (EMC)?

A: The drive complies with Class B standards for interference suppression, reducing electromagnetic disturbances. This ensures stable performance in sensitive industrial settings where electromagnetic interference is a concern.

Q: How does the KDA 2.1-100-3-LPI-W1 handle varying humidity conditions?

A: This drive is optimized for environments with up to 70% relative humidity, preventing condensation build-up. It ensures stable operation without performance degradation, even in humid conditions.


Internal Product Review

  • ‘‘The KDA 2.1-100-3-LPI-W1 is a robust spindle drive designed for precise motor control in industrial applications. It features a 100 A rated current and supports various motor types with multiple interface options. It is commonly used in CNC and automated machine tools for enhanced precision and reliability.’’

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