Heidenhain 1181312-03 (AK ERA 4480) Incremental Scanning Head

Technical Specifications & Overview

The Heidenhain 1181312-03 is an AK ERA 4480 series scanning head designed for modular, bearingless incremental angle encoder systems. Engineered to operate alongside compatible ERA 4000 series scale drums, this optical reader head provides precise angular measurement and high dynamic positioning response across high-speed rotary axes.

Key Technical Characteristics

• Manufacturer: Heidenhain

• Part Number / ID: 1181312-03

• Series / Model: AK ERA 4480

• Encoder Type: Scanning head for modular incremental angle encoders

• Grating Period: 40.000 µm

• Signal Output: 1 Vpp sinusoidal voltage signals (~1 Vpp)

• Cutoff Frequency (-3 dB): 1000.00 kHz

• Power Supply: 5 V DC ($\pm$10%)

• Degree of Protection: IP 40 (EN 60529)

• Operating Temperature: -10 °C to +70 °C

• Electrical Connection: 1.00 m PUR cable with 12-pin male M23 coupling (03S12)

Applications & Industrial Integration

Designed for wear-free, non-contact rotational position feedback, the Heidenhain 1181312-03 scanning head is widely integrated in high-accuracy machinery:

• CNC rotary tables and tilting axes

• Main spindles on machine tools and high-speed milling equipment

• Direct-drive rotary motors and torque motor feedback assemblies

• Automated high-precision indexing platforms

Commercial Assistance & Sourcing

At AtlanTech Drives, we provide high-level commercial guidance to streamline your industrial equipment procurement. Contact our sales specialists today to check warehouse stock availability, confirm delivery lead times, or request an immediate competitive quote.