Key Specifications and Features
The Fanuc A06B‑0075‑B103 boasts a rigid steel housing and IP65 protection, ensuring durability against coolant spray and dust. Its core attributes include:
Rated Torque: 2.39 Nm continuous, 7.16 Nm peak
Speed: 3000 rpm nominal
Feedback Encoder: 20-bit optical absolute for sub‑micron positioning
Voltage & Drive Technology: Compatible with Fanuc αi/αiA series drives, supporting sinusoidal commutation and pulse‑width modulation
Thermal Class: F insulation for extended runtime under load
Shaft & Bearings: Hardened stainless steel shaft with dual angular contact bearings for smooth rotation
A06B-0075-B103
Brushless AC Servo Motor
Fanuc A06B-0075
In Stock. Contact to confirm current lead time and shipping schedule.
Required
Repair services available for this model.
A06B-0075-B103 is a Fanuc brushless AC servo motor designed for precision axis motion control in CNC machines and industrial automation systems.
It belongs to the Fanuc A06B-0075 servo motor series, which is commonly used in CNC machining centers, robotic automation systems, and automated manufacturing equipment.
The motor integrates a high-resolution absolute optical encoder, allowing the control system to retain position information even after power shutdown. This eliminates homing procedures and improves operational efficiency in CNC machines.
The compact design and low inertia rotor make the A06B-0075-B103 suitable for applications that require fast acceleration, accurate positioning, and repeatable motion control.
| Specification | Details |
|---|---|
| Part Number | A06B-0075-B103 |
| Motor Type | Brushless AC Servo Motor |
| Product Series | Fanuc A06B-0075 |
| Speed Class | 3000 rpm |
| Encoder Type | Absolute Optical Encoder |
| Drive Compatibility | Fanuc αi / αiA Servo Drives |
| Protection Rating | IP65 |
| Insulation Class | Class F |
The brushless AC servo motor design eliminates mechanical brushes and reduces wear, allowing longer service life and stable performance during continuous operation.
The motor uses a high-resolution absolute optical encoder, which continuously reports the shaft position to the CNC controller. Absolute encoders maintain position data even after power interruption.
A low inertia rotor improves acceleration response and reduces overshoot during axis positioning. This characteristic is important for high-speed CNC motion control.
The IP65 rated enclosure protects internal components from dust and coolant splashes commonly present in machining environments.
Class F insulation allows the motor to operate reliably under elevated temperatures typically found in industrial production facilities.
Servo motors convert electrical control signals into precise rotational movement.
In CNC systems:
The CNC controller sends a motion command to the servo amplifier.
The servo amplifier regulates electrical current to the motor.
The motor rotates the axis mechanism such as a ball screw.
The encoder sends position feedback to the controller.
This closed loop system allows CNC machines to maintain extremely accurate axis positioning and repeatability.
Used for feed axis control in vertical and horizontal machining centers where accurate positioning is required.
Provides motion control for feed axes and tool positioning in turning operations.
Servo motors control joint movement in robotic arms used for assembly, packaging, and pick-and-place automation.
Used in production lines requiring synchronized axis movement and repeatable positioning.
The A06B-0075-B103 servo motor is designed to operate with compatible Fanuc CNC systems and servo amplifiers.
Typical system compatibility includes:
Fanuc 30i CNC control systems
Fanuc 31i CNC control systems
Fanuc αi and αiA servo drives
Machine compatibility should always be verified based on the specific CNC configuration.
This motor requires a core exchange when purchased.
Customers receiving the replacement motor must return their existing motor core. Core exchange programs support component refurbishment and help maintain the supply of industrial spare parts.
Repair services are available for the A06B-0075-B103 servo motor.
Typical repair services may include:
encoder testing and calibration
bearing replacement
stator and rotor inspection
shaft alignment evaluation
electrical performance testing
Repairing an existing servo motor can extend operational life and reduce equipment maintenance costs.
The motor is commonly used in CNC machining centers, CNC lathes, and industrial robotic systems equipped with Fanuc servo drives.
This motor uses a high resolution absolute optical encoder, allowing the system to retain position information after power loss.
Yes. The IP65 rated enclosure protects the motor from dust ingress and coolant splashes typically found in manufacturing environments.
Yes. This model supports professional repair services including bearing replacement, encoder repair, and electrical diagnostics.
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