MILL-TURN Machining Module

Mill/turn centers are designed for efficient all-in-one machining in a single setup. With its MILL-TURN Machining module, hyperMILL® CAM software provides the perfect integration of milling and turning strategies in a single user interface.

Combined mill/turn centers are a very sophisticated type of CNC machine as they link two different types of machining technologies. The advantage is that the work­piece can be milled and turned on one machine and one setup. This means even highly complex work­pieces can be completely machined in a single setup. The combination of milling and turning is there­fore becoming more and more important in CNC programming.

All-in-one machining on the NC machine

Mill turning has enormous potential when it comes to manufacturing a particular range of parts. For example, when a typical milled part has a rotationally symmetrical outer contour, it is not necessary to clamp the part again on a second machine with credit to one-hit machining. The manufacturing time is reduced and greater precision is achieved. There­fore, in general, mill turning makes manufacturing processes more cost-efficient.

hyperMILL® MILL-TURN Machining

Turning with the mill-turn module in hyperMILL® CAM software: from Basic to Advanced

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Main and Counter Spindle Machining with Transfer Job

hyperMILL® now offers convenient programming for two-sided ma­chi­ning on machines* with a main and counter spindle. The machining jobs are simply programmed under the “Main Spindle” and “Counter Spindle” containers, and thereby assigned to the respective machining side. The component or bar material, with or with­out parting, is simply transferred with the new transfer job. NC output from the main side, opposite side, and component transfer are realized in one end-to-end NC program with a machine model and a post-processor.

*Type DMG MORI CTX machines are supported in release 2022.1 and up. More manufacturers and machine types will follow.

Turning and milling in a single CAM interface

The complexity of turning and milling places higher demands on NC programming. The CAM software must make it possible to work safely and efficiently.

MILL-TURN machining is fully integrated in hyperMILL® CAM software. The user can equally use mill/turn strategies as well as all 2.5D, 3D and 5‑axis milling strategies in a single user interface. Even demanding mill/turn tasks can be programed very conveniently in hyperMILL® using the MILL-TURN Machining module. This is due to all turning and milling strategies being freely combined with each another. This means that the NC programmer can be very flexible when choosing the best possible machining strategy.

Another advantage of the MILL-TURN Machining module is the fully integrated tool data­base, stock tracking, collision checking and post­processor in hyperMILL®. These features can be used jointly for all milling and turning operations.


Special B‑axis turning operations

Machines equiped with a b‑axis can profit from special designed turning strategies. Taking full advantage of this additional axes and the performance gain.


3‑axis Simultaneous Turning

hyperMILL® MILL-TURN Machining offers easy-to-program CAM stra­te­gies for simultaneous roughing and finishing.

More about 3-axis Simultaneous Turning

rollFEED® Turning

Together with Vandurit, OPEN MIND developed a CAM strategy that is perfectly aligned with the innovative rollfeed® turning process.

More about rollfeed®

High-Performance Turning

Intelligent algorithms calculate tool­paths that correspond to a tro­choi­dal shape. The individual paths are perfectly connected and the app­roach and retract movements are optimally harmonized. Optimized feeds provide maximum speed. Machining takes place in a uniform direction or in a zigzag pattern. The in­feed takes place in a linear or ramp-like movement. Depending on the machining case, the inserts are always utilized to the fullest.


  • No need to change the programming environment
  • Greater accuracy and reduced setup times
  • Simple tool management
  • Turning and milling in one NC program: A shared post­processor is used for the turning and milling operations
  • Collision safety across all cycles and for the entire component
  • Stock tracking across all operations: Stock tracking is also calculated for all turning and milling operations


  • A single programming environment for turning and milling tasks
  • A broad spectrum of available turning and milling strategies for flexible programming up to complex 5‑axis tasks
  • A shared tool database for turning, milling and drilling tools enables standardized tool management
  • A post­processor individually adapted to the machine, controller and range of parts generates the NC code for the turning and milling operations in one NC program
  • Simple tool definition: Define inserts via the ISO or ANSI code

More Videos: CAM software for Mill-Turn

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hyperMILL® MILL-TURN Machining: Turn-Mill Demo Part
hyperMILL® MILL-TURN Machining: High-Performance Turning Example
hyperMILL® MILL-TURN Machining: Aerospace – Engine Case
hyperMILL® MILL-TURN Machining: Turn-Mill Demo Part

This video shows the machining process of a turn-mill demo part machined in collaboration with CERATIZIT. It was machined on a DMG MORI CTX1250 including part transfer from main to sub spindle programmed with hyperMILL®’s new transfer job. This part in particular shows a whole lot of different operations from drilling, turning to 5-axis milling.

hyperMILL® MILL-TURN Machining: High-Performance Turning Example

In this video you can see an impressive HPC Turning demo part made in collaboration with CERATIZIT. It clearly shows how efficient and flexible it is. It can be used for OD turning, face turning, grooves of all sorts and ID turning. All this without any additional programming efforts.

hyperMILL® MILL-TURN Machining: Aerospace – Engine Case

This video shows the machining of an engine case for the aerospace industry on a Hermle C42 MT U dynamic. It was programmed using hyperMILL® MILL-TURN Machining strategies combined with high-performance strategies from the hyperMILL® MAXX Machining package such as High-Performance Turning and High-Performance Milling.

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