KDA 3.1-100-3-A0I-U1

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The KDA 3.1-100-3-A0I-U1 is a spindle drive manufactured by Bosch Rexroth Indramat. Part of the KDA Spindle Drives series, it is a single-axis drive that supports resolver feedback and operates with an analog interface for position and speed control. The drive weighs approximately 31 kg and has a protection rating of IP10.

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Product Description:

The Bosch Rexroth Indramat KDA 3.1-100-3-A0I-U1 is a powerful spindle drive that is part of the flexible KDA Spindle Drives series. This type can provide a rated output current of 100 amps and has resolver feedback for accurate motor control. The device is designed to be cooled by air and has an external blower motor to keep the temperature stable, which helps it perform reliably even when it's under a lot of stress. The KDA 3.1-100-3-A0I-U1 is built to last in tough industrial settings and weighs around 31 kilograms. The KDA 3.1 series is designed to work with Indramat's 2AD asynchronous motors and 1MB frameless spindle motors. It can handle a continuous output range at the motor shaft from 3 to 22 kW.

These drives are great for spindle drive applications because they are very rigid, can position things very accurately, and have a wide range of continuous speeds. This makes them perfect for CNC machines that need to place spindles and operate the C-axis. The built-in microcontroller controls, monitors, and diagnoses the digital drive by taking ultra-high-resolution rotor position data over the whole speed range. This lets users carefully tailor the speed control range from 0.0005 rpm to the highest rates, which helps the C-axis work at a resolution of up to 1/360,000th of a revolution.

The KDA 3.1-100-3-A0I-U1 has improved internal position control in addition to unmatched speed control. It does this by using high-resolution motor feedback or optional extra spindle feedback to improve precision. The spindle drive's modular architecture lets it work with alternative drive controllers, making it possible to customize the system in different ways tailored to a specific design philosophy.

Compatible Motors
MAC and 2AD series (select models)
Cooling Method
Air-cooled (with external blower motor)
cUR
Approved
Current Rating
100 A
Feedback Supported
Resolver
Input Voltage
3-phase, 230/460 V AC
Interface
Analog / Position/Speed control
Inverter Frequency
0–333 Hz
Number Of Axes
Single-axis
Operating Temperature Range
0–45°C (32–113°F)
Protection Rating
IP 10 (standard)
Rated Power Supply Frequency
50/60 Hz
Weight
approx. 31 kg
  • KDA 311003A0IU1

Frequently Asked Questions about KDA 3.1-100-3-A0I-U1:

Q: What is the current rating of the KDA 3.1-100-3-A0I-U1 spindle drive?

A: The spindle drive has a current rating of 100 A.

Q: What type of input voltage does this drive support?

A: It supports a 3-phase input voltage of 230/460 V AC.

Q: What is the rated power supply frequency for the KDA 3.1-100-3-A0I-U1?

A: The rated power supply frequency is 50/60 Hz.

Q: How many axes does the KDA 3.1-100-3-A0I-U1 control?

A: This model is a single-axis spindle drive.

Q: What type of cooling method is used in this spindle drive?

A: It uses air cooling with an external blower motor.


Internal Product Review

  • ‘‘The KDA 3.1-100-3-A0I-U1 spindle drive can handle 100 amps of current and works with resolver feedback. This is an air-cooled part of the KDA Spindle Drives from Bosch Rexroth Indramat. It has an external blower motor and weighs around 31 kilograms.’’

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