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FANUC A06B-0315-B033 Model 10S AC Servo Motor

  • Model: A06B-0315-B033 (Model 10S)
  • Brand: FANUC
  • Series: S-Series AC Servo Motor
  • Core Function: High-torque axis drive motor for CNC machine tools.
  • Product Type: AC Servo Motor
  • Key Specs: 12 Nm Stall Torque | 2000 RPM Max | Straight Shaft with Key & Brake
  • Condition: New Original / New Surplus
  • Inventory Status: Obsolete / End-of-Life (EOL) – Requires strategic safety buffer stocking.
Categories: , , , SKU: A06B-0315-B033 Brand:

Description

Key Technical Specifications

Parameter Specification
Full Part Number A06B-0315-B033
Motor Model Model 10S
Stall Torque 12 Nm (122 kgf-cm)
Stall Current 7.6 A
Nominal Voltage 150 V AC
Rated Speed 2000 RPM
Pole Count 8 Poles (3-Phase)
Feedback Unit Incremental Pulse Coder (2500 P/R or Alpha/S Coder)
Shaft Configuration Straight shaft with keyway
Holding Brake Integrated 24 VDC electromagnetic holding brake
Insulation Class Class F (Ambient rating 40°C)
Protection Rating IP65 (Standard oil seal installed)

Product Introduction & Supply Chain Strategy

The FANUC A06B-0315-B033 is a Model 10S S-Series AC servo motor engineered for heavy-duty CNC lathes, milling machines, and machining centers. Delivering 12 Nm of continuous stall torque at 2000 RPM, it provides high dynamic response and precision positional feedback for critical machine axes.

Procuring this motor as New Surplus offers significant Total Cost of Ownership (TCO) protection for legacy machine tools. Buying New Surplus eliminates the operational risks of failed insulation, degraded permanent magnets, or mechanical backlash often found in second-hand units. It guarantees factory-rated performance and prevents costly extended downtime on legacy production lines where OEM lead times are non-existent.

A06B-0315-B033

A06B-0315-B033

A06B-0315-B033

A06B-0315-B033

Installation & Configuration Guide

  • Stage 1: Pre-Installation (Prep & Safety) Disconnect and isolate all 3-phase high-voltage power lines feed to the servo amplifier using lock-out/tag-out procedures. Wear an ESD wristband while handling encoder connections. Document the current mechanical position of the machine axis, keyway orientation, and cable routing before removing the damaged unit.
  • Stage 2: Removal Support the motor housing to prevent axis drop on vertical applications. Unbolt the power and feedback MS-style military connectors from the terminal housing. Remove the motor mounting flange bolts and uncouple the motor shaft from the ballscrew coupling using a dedicated gear puller to avoid damaging the ballscrew bearings.
  • Stage 3: Installation (Clone & Seat) Clean the mounting flange and ensure the New Surplus A06B-0315-B033 shaft keyway aligns cleanly with the machine coupling. Slide the motor horizontally onto the pilot alignment shoulder without applying axial force to the rear encoder cap. Torque all four flange mounting bolts evenly to specification.
  • Stage 4: Power-On & Testing Reconnect the power lead connector, 24 VDC brake lines, and feedback pulse coder cable. Apply 24 VDC to verify the internal holding brake releases completely before enabling the servo drive. Perform a low-speed jog test to confirm axis direction, check for encoder alarm codes (e.g., FANUC 390/414 alarms), and verify smooth position tracking across the full stroke.

Firmware/Software Versions & Upgrade Notes

  • Feedback Compatibility Baseline: Ensure the pulse coder specification on the A06B-0315-B033 matches the control system parameters programmed in your FANUC 0-Mate, 15, 16, or 18 control series.
  • Parameter Alignment: Swapping motors with identical part numbers retains motor parameter tuning (VCMD gains, current loop settings). Changing encoder resolution types (e.g., switching from standard pulse coder to serial pulse coder) requires updating CNC drive parameters (such as Parameter 2000 series on FANUC 16/18 controls).
  • Modification Warning: Never decouple or disassemble the pulse coder housing on the rear of the motor. Misaligning the optical glass disc relative to the rotor magnetic pole position will cause runaway conditions or immediate drive overcurrent trips upon power-up.

Frequently Asked Questions (FAQ)

  • Q: Is this FANUC A06B-0315-B033 servo motor original brand new, or is it a rebuilt motor?

    A: This motor is 100% Brand New Surplus. It is not used, not pulled from a scrapped CNC machine, and not refurbished. It retains factory balance, original winding insulation integrity, and zero wear on the shaft or internal bearings.

  • Q: What is the risk of purchasing a refurbished or rewound FANUC servo motor instead of New Surplus?

    A: Refurbished or rewound motors frequently suffer from weakened permanent magnets caused by improper disassembly, degraded winding insulation, or misaligned encoders. A failed motor on an active production line can cost thousands of dollars per hour in lost throughput—far exceeding the marginal savings of buying a used part.

  • Q: Is the FANUC A06B-0315-B033 motor still in active OEM production?

    A: No, the FANUC S-Series motor lineup is an End-of-Life (EOL) legacy series. Stocking 1 unit as an on-site buffer stock is essential for facilities operating older CNC machinery to prevent weeks of downtime waiting for rare replacement parts.

  • Q: Does the include an integrated holding brake?

    A: Yes, the “-B033” suffix designates a shaft with a keyway and an integrated 24 VDC electromagnetic holding brake, designed specifically for vertical or Z-axis machine applications to prevent axis drop during power loss.

  • Q: What warranty is provided with this New Surplus FANUC motor?

    A: We cover this New Surplus unit with a comprehensive 1-year replacement warranty, giving your maintenance team complete confidence in its long-term reliability.