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FANUC A06B-0756-B100 AC spindle motor

The FANUC A06B-0756-B100 is a high-performance AC spindle motor designed for industrial CNC machine tools.

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FANUC A06B-0756-B100

FANUC A06B-0756-B100 Spindle Motor – Specifications, Features, and Applications

Overview

The FANUC A06B-0756-B100 is a high-performance AC spindle motor designed for industrial CNC machine tools. Belonging to the FANUC S-Series spindle motor family, this model is widely used in machining centers, CNC lathes, and milling machines that require reliable continuous-duty spindle performance.

This motor is known for its durability, high torque output, and stable operation during heavy cutting processes.


Key Specifications

Parameter Specification
Motor Type AC Spindle Motor (Model 12S / 6000 rpm class)
Continuous Output Approx. 11 kW @ 25 A
30-Minute Rating Approx. 7.5 kW @ 53 A
Speed Range 1500 – 6000 RPM
Mounting Flange mount with keyed shaft
Cooling Rear fan cooling
Feedback Spindle feedback compatible with FANUC drives
Weight Approx. 160 kg
CNC Compatibility FANUC Series 0-B, 0-C, 16, 18, 21 and similar

Main Features

High Power Output

The A06B-0756-B100 delivers strong spindle performance for medium to large CNC machines, enabling efficient metal cutting and long production cycles.

Continuous Industrial Duty

Designed for heavy manufacturing environments, the motor supports continuous operation with excellent thermal stability and long service life.

Reliable FANUC Integration

This spindle motor integrates seamlessly with FANUC digital spindle amplifiers and CNC control systems, ensuring stable communication and precise speed control.

Robust Mechanical Design

The flange-mounted structure, keyed shaft, and rear fan cooling system provide reliable installation and efficient heat dissipation.


Typical Applications

The A06B-0756-B100 spindle motor is commonly installed in:

  • Vertical Machining Centers (VMC)
  • Horizontal Machining Centers (HMC)
  • CNC Milling Machines
  • CNC Lathes
  • Industrial production lines
  • Retrofitted FANUC spindle systems

This motor is ideal for applications requiring high torque at medium and high spindle speeds.


Compatibility and Replacement Notes

When replacing or sourcing this motor, the following must be verified:

  1. Spindle amplifier model compatibility
  2. Feedback interface type
  3. Mechanical mounting dimensions
  4. Shaft configuration and cooling direction

Suffix variations typically indicate configuration differences rather than a different motor family.


Typical Market Availability

Because of the industrial nature of this product, the motor is usually supplied as:

  • Refurbished or exchange unit
  • Surplus industrial spare part
  • New replacement from specialized suppliers

Pricing varies depending on condition and warranty.


Related FANUC Spindle Motor Models

Commonly compared or cross-referenced models include:

  • A06B-0755-B100
  • A06B-0764-B100
  • Other S-Series spindle motors in similar power ranges

These models may offer similar mounting or power characteristics depending on machine requirements.


Summary

The FANUC A06B-0756-B100 is a reliable, high-power spindle motor designed for demanding CNC machining applications. With strong output, durable construction, and broad compatibility with FANUC systems, it remains a popular choice for machine maintenance, repair, and retrofit projects.

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