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| Place of Origin | JAPAN |
| Brand Name | FANUC |
| Certification | CE ROHS |
| Model Number | A06B-0276-B400 |
The Fanuc A06B-0276-B400 belongs to FANUC's αiF (Alpha iF) servo motor line — a higher-tier family compared to the β series, built to handle the torque demands of larger CNC machining centers, heavy-duty lathes, and multi-axis systems where axis loads are substantial and motion precision is non-negotiable.
The B400 suffix denotes a no-brake configuration, meaning this unit is typically deployed on horizontal axes where gravity-holding is not required. It pairs natively with FANUC's αi-series servo amplifiers and integrates cleanly with 30i, 31i, 32i, and 0i-F control systems — no parameter gymnastics, no signal adaptation hardware.
New unit. This listing refers specifically to a brand-new, factory-sealed A06B-0276-B400. No refurbishment, no re-marking. The serial number is traceable through FANUC's service system and the unit ships with original FANUC packaging.
The αiF line was designed for applications that push beyond what the β series can handle — larger frame motors, higher continuous torque output, and stronger resistance to the thermal stress that builds up during extended heavy-cut cycles. For anyone running large horizontal machining centers or multi-pallet systems around the clock, that margin matters.
The servo motor market has a known problem: refurbished and remarked units circulate widely, often listed without clear disclosure. On the outside they can look identical to a new motor. Inside, the encoder may have accumulated hours of wear, the winding insulation may have degraded from thermal cycling, and the bearings may be carrying micro-fatigue that doesn't show up until six months after installation.
This unit is new. That means full manufacturer warranty coverage, a clean encoder history, and bearings that have never been loaded. For production environments where an unexpected axis failure means hours of downtime and scrapped parts, the difference between new and "refurbished" is a calculation worth making.
The αiF series occupies a distinct segment: not a small auxiliary motor, and not a spindle motor. It's the right fit for high-demand feed axes on machines where cutting forces are substantial and positioning repeatability needs to hold across long production runs.
X, Y, Z axis feed on large HMCs with pallet changers and heavy workpieces
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