Latest Hwacheon’s Harmony Controller with Machine Works' Libraries

CNC software Machine Works simulation integrated into Hwacheon’s new Harmony Smart Controller

2025-12-02 Source: Machine Works 2 min Reading Time

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The latest version of Hwacheon’s Harmony controller features built-in Machine Works simulation libraries, providing expanded functionality for machining verification and process optimisation.

Machine Works CNC simulation and optimisation capabilities are now built into the latest version of Hwacheon’s Harmony control system.(Source: Machine Works) — Machine Works CNC simulation and optimisation capabilities are now built into the latest version of Hwacheon’s Harmony control system.
(Source: Machine Works)

Software companies Machine Works and Hwacheon have announced the integration of Machine Works’ CNC simulation and verification libraries into the latest version of Hwacheon’s Harmony smart controller, launched on 1 December 2025.

The new Harmony control features a clear 19-inch TFT LED touchscreen and has been developed with a focus on ease of use, aiming for a “smartphone” level user experience. Early reactions from operators have been positive, with feedback such as “you just know which buttons to push.”

Hwacheon has been developing its own control software since 2012, and while the revamped interface represents a major shift, the software foundation has been in use and refined for more than a decade. First introduced in the US in 2022, the Harmony series receives a significant upgrade with this latest version.

The controller includes conversational programming, work scheduling, probing support and toolpath optimisation, alongside a real-time collision avoidance system powered by Machine Works technology.

Two key applications, H-Simul and H-Opti, are included on the control. H-Simul provides simulation functions for 3-axis and 5-axis milling, as well as multi-turret mill-turn lathes and machining centres. The 5-axis module, H-Simul 5X, adds advanced features such as G-code-based simulation, automated material creation from CAD, fixture setup via external files, full machine collision checking using Machine Works’ sweep-based algorithms, and undercut/overcut detection.

H-Opti offers optimisation strategies including feed-rate adjustments, overload and underload compensation, rapid feed collision detection and correction, and undercut/overcut detection aimed at protecting tools and improving efficiency.

The new Harmony control is now standard on Hwacheon’s i2 multi-tasking machine and the M1-5AX 5-axis machining centre, with further machine models expected to adopt it.

“Hwacheon prides itself on delivering high quality, high accuracy products. After testing many systems we found the material removal and collision detection algorithms in the Machine Works libraries to be the most advanced available on the market. Their team of geometry experts are responsive, knowledgeable and available to help, and it has been a pleasure to work with them,” commented Daeyu Park, the Director of Hwacheon’s Software Research and Development centre.

Dr Fenqiang Lin, Managing Director of Machine Works, said: “Hwacheon’s new HMI looks really great. Hwacheon and MachineWorks have been working as partners for over a decade now. Machine Works is proud to support Hwacheon as it brings new and advanced innovations that will improve the competitiveness of their customer’s businesses.”

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Date: 08.12.2025

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