HEIDENHAIN TNC 320
CNC Control for Precision Contour Machining
HEIDENHAIN TNC 320 is a powerful and reliable CNC control designed for milling machines, drilling machines, and compact machining centres. It combines an intuitive user interface, convenient shop-floor programming, and practical functions that help operators perform machining operations safely and efficiently.
The TNC 320 adds significant value to any machine through advanced control functions, fast NC block processing, and comprehensive support for machining cycles.

Added Value for Your Machine
TNC 320 delivers reliable machine control and efficient execution of CNC programs.
The control supports:
- Up to 6 control loops, including up to 2 spindles
- Convenient programming in HEIDENHAIN Klartext or G-code
- Comprehensive machining and probing cycle packages
- NC block processing time of only 3 ms
- Analog drive control technology
These features make the TNC 320 an ideal solution for a wide range of CNC applications where precision, reliability, and ease of use are essential.
Realistic Machining Simulation
Detailed graphical simulations provide an accurate preview of the machining process before production begins.
Operators can verify program data, check machining sequences, and evaluate the expected surface quality before running the program on the machine. This helps reduce programming errors, improves process reliability, and shortens setup time.
Shop-Floor Programming
HEIDENHAIN controls are designed for practical workshop use. The TNC 320 allows operators to create and edit CNC programs directly at the machine.
The intuitive conversational interface, combined with clear graphical guidance, makes programming simple and efficient.
Programs can be written in HEIDENHAIN Klartext, providing excellent readability, or in G-code, giving users the flexibility to work with the programming method that best suits their experience and production requirements.
All Important Information at a Glance
During program execution, the TNC 320 continuously displays essential machining information.
Operators have immediate access to tool data, program status, machining cycles, and processing times. All information is presented in a clear and well-organized format, making it easier to monitor the machining process, react quickly to changing conditions, and work more safely.
A Reliable CNC Control for Modern Manufacturing
HEIDENHAIN TNC 320 is an excellent choice for manufacturers looking for a powerful, user-friendly, and reliable CNC control.
By combining intuitive programming, realistic simulation, comprehensive machining cycles, and dependable process monitoring, the TNC 320 helps increase productivity, improve machining quality, and maximize machine performance.