KDA 2.1-100-3-DPS-W1

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The KDA 2.1-100-3-DPS-W1 is a servo drive with a continuous current of 100 A and internal air cooling. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives series, it operates on 3-phase 230/460 V AC input. This drive has an IP20 enclosure rating and weighs approximately 11 kg.

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Product Description:

The Rexroth Indramat KDA 2.1-100-3-DPS-W1 is an AC main spindle drive designed for precise motion and control applications. This AC main spindle drive is part of the KDA series, and the drive is made to work with both asynchronous and frameless spindle motors.

A fan on the heatsink that moves forced air and runs on 220 VAC cools the computer. The C-axis can be operated with a precision of up to 1/360,000 revolutions by adjusting the speed from 0.0005 rpm to the highest possible speed. The design is number 1 and is from the KDA product line's second run. An additional encoder input on the drive enables the spindle or second motor to provide feedback. The microprocessor-based control system uses high-resolution motor or spindle input to keep track of speed and position inside the machine. It is possible to use a current of 100 A with the KDA 2.1-100-3-DPS-W1 main spindle drive and a 300 V DC line voltage. The drive makes sure that power keeps going to the strong so that it can stay in place and be precise across a wide range of speeds.

It can be stored and moved between -30°C and +85°C. The DIN 40 040 ensures that the drive is in Class F for humidity. The AC main spindle drive is covered to IP10 according to DIN 40 050. The KDA 2.1-100-3-DPS-W1 AC spindle drive operates efficiently between 32F to 113F. The mounting meets the requirements of DIN 40 050. It makes sure that complicated manufacturing and robotics processes are accurate, stable, and work well together. The AC main spindle motor is used in robotics, automation, and medical technology for controlled linear movements.

Bus Voltage
300 V DC
Continuous Current
100 A
Cooling Method
Internal (Air Cooling)
Cooling Type
Forced Cooled by Heatsink Blower
DC Bus Voltage
300 V
Enclosure Protection
IP 20
Feedback Type
Resolver
Firmware
DPS
Input Voltage
3-phase, 230/460 V AC
Operating Temperature Range
0°C to +45°C
Rated Current
100 A
Rated Frequency
50/60 Hz
Speed Command Value
Digital 16-Bit Parallel
Type
Servo Drive
Weight
approx. 11 kg
  • KDA 211003DPSW1

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

Q: Why does KDA 2.1-100-3-DPS-W1 use a digital 16-bit parallel speed command value?

A: The digital 16-bit parallel speed command value provides accurate control signals. It ensures precise spindle operations. It allows stable synchronization with high-resolution feedback systems for improved machining accuracy and positioning reliability.

Q: Why does KDA 2.1-100-3-DPS-W1 have an auxiliary encoder input for spindle feedback?

A: The auxiliary encoder input enables direct spindle or motor feedback. It improves position control accuracy. It enhances resolution in C-axis operation. It ensures reliable synchronization for demanding machining operations.

Q: How does KDA 2.1-100-3-DPS-W1 achieve high-resolution C-axis operation?

A: The spindle drive achieves high-resolution C-axis control through feedback integration. It works at 0.0005 rpm increments. It delivers a resolution of 1/360,000 revolutions, allowing precise cutting and positioning.

Q: Why does KDA 2.1-100-3-DPS-W1 use forced cooling by heatsink blower?

A: Forced cooling prevents overheating under high loads. The heatsink blower uses a 220 VAC supply. It maintains stable drive operation. It ensures continuous duty without performance degradation. It increases product reliability.

Q: Does KDA 2.1-100-3-DPS-W1 provide compatibility with asynchronous and frameless spindle motors?

A: The drive supports both 2AD asynchronous motors and 1MB frameless spindle motors. This flexibility enhances system design. It ensures compatibility with different spindle requirements for advanced machining applications.


Internal Product Review

  • ‘‘The Rexroth Indramat KDA 2.1-100-3-DPS-W1 is a digital AC main spindle drive. The drive operates reliably within a temperature range of 0°C to +45°C. The storage and transport range is from -30°C to +85°C. The unit meets humidity classification Class F as per DIN 40 040. The drive is widely used in CNC machining for precise spindle control.’’

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