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  • Writer's pictureKevin Lim

CNC Turn Mill vs CNC Turning + CNC Milling: A Comparison

CNC Turning

Decoding the difference: CNC Turning and Turn Milling


CNC turning and turn milling are two versatile machining processes with distinct advantages and applications. CNC turning involves rotating a workpiece while a cutting tool removes material to create cylindrical parts. This process is ideal for producing symmetrical components like shafts, pins, and bushings with high precision and efficiency. On the other hand, turn milling combines turning and milling operations in a single setup, enabling the production of complex geometries and intricate features in one operation. By rotating the workpiece on multiple axes while simultaneously cutting with a milling tool, turn milling offers enhanced flexibility and productivity compared to traditional turning processes.


While CNC turning excels in producing simpler cylindrical parts with excellent surface finish and tight tolerances, turn milling expands the capabilities to create more complex components with features such as undercuts, contours, and bores. Turn milling eliminates the need for multiple setups and tool changes, reducing production time and improving accuracy. Additionally, turn milling enables efficient machining of asymmetrical parts and reduces the risk of errors associated with repositioning workpieces between operations. Both CNC turning and turn milling are valuable techniques in modern manufacturing, each offering unique benefits depending on the specific requirements of the project.


A Machinist’s Crossroads: Choosing between CNC Turn Milling vs CNC Turning + Milling


When faced with the decision between employing CNC turn milling or separate processes of CNC turning and CNC milling, several factors come into play, each influencing the ultimate choice. One of the primary considerations is production efficiency. CNC turn milling presents the advantage of consolidating multiple machining steps into a single operation, significantly reducing overall production time. This streamlining eliminates the need for additional setups, making it particularly appealing for intricate parts with complex geometries. By seamlessly combining turning and milling operations, CNC turn milling enables the machining of features that would otherwise require multiple setups and tool changes, ultimately enhancing efficiency and productivity.


Moreover, CNC turn milling offers advantages in terms of accuracy and consistency. By minimizing the risk of errors associated with repositioning workpieces between processes, CNC turn milling ensures a higher level of precision throughout the machining process. This is especially crucial for industries where tight tolerances are paramount. However, there are scenarios where employing separate processes of CNC turning and CNC milling may prove to be more advantageous. For simpler parts with symmetrical features, utilizing two distinct processes allows for optimized tooling and machining strategies tailored to each operation. This approach can result in better surface finish and efficiency for specific features, as the tools and techniques employed can be precisely tailored to the requirements of each process.


Additionally, separating CNC turning and milling operations may offer greater flexibility in terms of tool selection and machining parameters. This enhanced control allows for more precise customization, particularly concerning individual features of the part. However, it's important to note that this approach may require more extensive setup and handling, potentially increasing production time and costs for certain projects. Ultimately, the choice between CNC turn milling and employing separate processes hinges on a careful consideration of factors such as part complexity, production volume, and the desired balance between efficiency and precision.


Working with NVT can help navigate this decision-making process and ensure the optimal approach is chosen for each unique machining project.


 CNC Milling Singapore

Choose the Right Method for Your Project


Our expertise in a diverse range of precision machining processes enables us to select and integrate the best cutting-edge processes in the market to deliver the best results for your projects. With a clientele that includes major multinational corporations like Panasonic, SMC Pneumatics,Barnes Aerospace, and many others, our proven track record attests to our capabilities in handling diverse and complex projects.


Leveraging our cumulative experience and bolstered by strong in-house design, fabrication, and assembly teams, we are well-equipped to assist you in bringing your products to market swiftly and within budget. Trust NVT to be your partner in achieving precision and efficiency in your manufacturing endeavors.


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