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CNC Turning Part

What is the CNC Turning?

CNC Turning is a precision machining process controlled by computer numerical control (CNC) technology, primarily used to produce rotationally symmetric cylindrical or conical parts. Its key characteristics include:

  • Rotating Workpiece: The material (e.g., metal bar stock) is clamped in a spindle (chuck or center) and rotated at high speed.

  • Tool Movement: Stationary or movable cutting tools feed along the axial (X-axis) or radial (Z-axis) direction of the workpiece, removing material to achieve the desired shape.

  • Typical Equipment: CNC lathes (e.g., horizontal/vertical lathes), turning-milling centers.

Common Machining Features:

  • External/internal turning, facing, grooving, threading, knurling, taper machining, etc.
CNC Turning

Why order the CNC Turning Part from us?

  • High-quality insurance. All part be fully inspected in each stage of the process. The inspection report will be provided with everything correct and accurate.
  • Mature technology with precision equipment. Our parts will perfectly suit your needs and can be assembled immediately without fitting.
  • Fastest delivery time, as soon as 15 days tooling +3 days delivery for the whole set of mold parts.
CNC Turning Part

Advantages of CNC Turning

High Precision & Consistency

  • Achieves tolerances as tight as ±0.005mm, ideal for precision shafts, sleeves, and similar parts.

  • Ensures repeatability in mass production (CNC programs guarantee consistency).

High Efficiency

  • Higher material removal rates for rotational parts (e.g., shafts, flanges) compared to milling, making it ideal for large batches.
  • Combines multiple operations (e.g., turning + drilling + tapping) to reduce setup changes.

Cost-Effectiveness

  • High material utilization (direct machining from bar stock minimizes waste).

  • Lower equipment costs and energy consumption compared to multi-axis milling.

Versatility

  • With live tooling or turn-mill machines, non-rotational features (e.g., slots, holes) can be integrated.

Superior Surface Finish

  • Fine turning achieves mirror-like finishes (Ra ≤ 0.4μm), reducing post-polishing needs.

Wide Material Compatibility

  • Metals (aluminum, steel, titanium, copper), plastics (PEEK, nylon), and even some ceramics can be machined.
CNC turning machining

Frequently Asked Questions!

What Materials are suitable for CNC Turning?

Common materials include aluminum alloy, stainless steel, carbon steel, brass, titanium alloy, nylon, and PEEK. Special materials (like ceramics or composites) require evaluation of their machinability based on specific properties.

What Precision Can be Achieved with CNC Turning Parts?

Standard precision is typically ±0.01mm, while high-precision turning can achieve ±0.005mm. Surface roughness generally ranges from Ra 0.4μm (mirror finish) to Ra 3.2μm, depending on process requirements.

Can thin-walled or Complex Rotational Parts be Machined?

Yes, but process optimization is required (such as staged machining, special fixtures, or adjusted cutting parameters) to prevent deformation. Ultra-thin walls (e.g., <1mm thickness) require separate evaluation.