Heidenhain

Heidenhain Automation Products
Dr. Johannes Heidenhain GmbH (Germany) is a global leader in precision measurement, motion control, and CNC automation, renowned for nanometer‑level accuracy, robust reliability, and seamless integration for high‑end machine tools, robotics, semiconductor manufacturing, and metrology. Its portfolio spans high‑precision encoders, CNC controls, digital readouts, touch probes, and automation software, forming a complete closed‑loop system for ultra‑precise positioning and intelligent machining.
Core Product Categories & Key Series
1. Precision Encoders (Linear, Rotary, Angle)
Heidenhain encoders are the industry benchmark for position feedback, with resolutions down to 1 nanometer and accuracies up to ±0.1 μm (linear) and ±0.2 arcseconds (angle).
Linear Encoders
LC/ML Series: Sealed linear encoders for machine tools; high accuracy, long service life, and EnDat 2.2/SSI interfaces.
LIC Series: Exposed linear encoders for high‑dynamic axes (e.g., semiconductor equipment).
Length Gauges (Metro/MT Series): Compact, high‑precision gauges for in‑process measurement and quality control.
Rotary Encoders
ERN/ECN/EQN Series: Incremental and absolute rotary encoders for motor feedback; up to 29‑bit absolute resolution (536 million counts/rev).
ECI/EQI Series: Inductive rotary encoders for harsh environments (IP67), ideal for robotics and mobile machinery.
Angle Encoders
RON/ROD/ERO Series: High‑precision angle encoders for rotary tables, spindles, and CMMs; certified for SIL 2/PL d safety applications.
2. CNC Control Systems (TNC Series)
Heidenhain’s TNC CNC controls are purpose‑built for high‑speed, high‑precision milling, turning, grinding, and multi‑axis machining.
TNC 7 / TNC 640
Flagship 5‑axis CNC with NURBS/spline interpolation, 1000+ block look‑ahead, and EtherCAT bus (≤62.5 μs cycle).
Integrated HSCI direct encoder interface; supports milling, turning, and grinding in one system.
Shop‑friendly touch UI, conversational programming, and Batch Process Manager for automated serial production.
TNC 620 / TNC 320
Mid‑range and compact controls for 3–5 axis machines; cost‑effective yet high‑performance.
TNC 128 / TNC 7 go
Entry‑level and training controls; intuitive operation for legacy machine retrofits.
3. Digital Readouts (DRO)
ND/DF Series: High‑performance digital readouts for manual machines, automation systems, and metrology.
Touchscreen, intuitive UI, and multi‑axis display; simplifies setup and measurement.
4. Touch Probes & Metrology Systems
TTM/TTN Series: In‑machine touch probes for workpiece setting, tool measurement, and on‑machine inspection.
Enables closed‑loop machining (measure → compensate → machine) without removing parts.
Visual Inspection Systems: Vision‑based sensors for non‑contact measurement and quality control.
5. Automation & Software Solutions
Heidenhain Automation Solution: Modular, universal system for tool and workpiece automation (pallet changers, robotic loading).
Intuitive operation via CNC control; no specialized training required.
StateMonitor: Real‑time machine monitoring, OEE analysis, and energy consumption tracking for the Digital Shop Floor.
OPC UA NC Server: Standardized interface for connecting CNC machines to ERP/MES systems for paperless production.
Automation Studio: Engineering software for encoder configuration, CNC programming, and system diagnostics.
6. Signal Converters & Interface Modules
AE/IF Series: Signal converters to adapt encoder signals (EnDat, SSI, 1Vpp) to PLC/CNC interfaces.
Safety Modules: SIL‑certified components for safe motion and position monitoring in collaborative robots and machinery.
Key Advantages
Unmatched Precision: Nanometer‑level measurement and control for ultra‑high‑accuracy applications.
Closed‑Loop Integration: Encoders, CNC, probes, and software work as one system for perfect process control.
Robust Reliability: Industrial‑grade design, long MTBF, and resistance to dust, vibration, and temperature extremes.
Future‑Proof Connectivity: Native EtherCAT, OPC UA, and EnDat interfaces for Industry 4.0 and IIoT.
Shop‑Friendly Usability: Intuitive touch controls, conversational programming, and minimal training required.
Global Support: Local engineering, service, and spare parts in 43 countries.
Typical Applications
Machine Tools: 5‑axis milling, turning, grinding, EDM, laser cutting, and additive manufacturing.
Semiconductor & Electronics: Wafer handling, lithography, and high‑precision assembly.
Robotics & Cobots: High‑accuracy positioning, collision detection, and dual‑encoder safety systems.
Metrology: Coordinate measuring machines (CMMs), precision rotary tables, and calibration equipment.
Automotive & Aerospace: High‑precision machining of engine, turbine, and structural components.
Medical Devices: Manufacturing of implants, surgical tools, and diagnostic equipment.

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