In modern manufacturing, custom CNC metal parts demand high precision, complex geometries, and fast turnaround. The combination of turning and milling integrated machining (also known as mill-turn or multi-tasking) has become the gold standard for producing intricate components from metals like aluminum, steel, titanium, and brass. This article explores the benefits, working principles, and why you should choose integrated CNC machining for your next project.

Modern CNC mill-turn machine center

What Is Turning and Milling Integrated Machining?

Traditionally, CNC turning produces cylindrical parts (shafts, bushings, rings) by rotating the workpiece against a fixed cutting tool. CNC milling uses rotating multi-point tools to create flats, slots, holes, and 3D contours on stationary parts. Integrated machining combines both operations in a single machine — often equipped with a C-axis on the main spindle, live tooling, and a Y-axis for off-center milling. This allows you to machine a complete part in one setup, eliminating handling errors and reducing lead times.

Key Benefits of Integrated Turning and Milling

    ◆ Higher accuracy: Single setup eliminates multiple clamping errors. Achieve ±0.005 mm tolerance on complex custom CNC metal parts.

    ◆ Faster delivery: Reduce setup time by up to 70% compared to separate turning and milling operations.

    ◆ Complex geometries: Create parts with axial and radial features, polygonal profiles, and helical interpolation in one cycle.

    ◆ Cost efficiency: Lower labor, tooling, and inventory costs. No need to outsource secondary operations.

Typical Applications

Integrated machining is widely used in:

    ◆ Aerospace – hydraulic fittings, turbine shafts

    ◆ Medical – bone screws, surgical instruments

    ◆ Automotive – transmission shafts, valve bodies

    ◆ Robotics – custom joints, sensor housings

Why Choose Our Custom CNC Services?

We specialize in turning and milling integrated machining for low-volume prototyping and mass production. Our in-house machines (Dual-spindle with live tooling) support parts up to Ø300 mm and lengths of 1500 mm. Materials include 6061 Al, 303/304 SS, 4140 alloy steel, brass, and titanium.

Quality assurance: Every batch undergoes CMM inspection. We provide ISO 9001:2015 certification upon request.

Explore our service pages: Custom CNC Parts.

How to Get a Quote?

Upload your CAD file (STEP, IGES, or SolidWorks) via our online form. Typically, you receive a quote within 24 hours with DFM feedback.