4th axis machining services utilize CNC mills equipped with a rotational axis (typically the A-axis) to machine four sides of a part in a single setup. This process boosts efficiency and accuracy for complex, multi-sided, or cylindrical components, minimizing manual re-fixturing. It is ideal for continuous contouring or indexed, multi-angle machining.
Key Capabilities and Benefits
- Reduced Setups: By rotating the part, multiple faces can be machined without removing the workpiece, improving accuracy and reducing production time.
- Complex Geometries: Enables helical cutting, radial slots, gear teeth, and specialized cylindrical shapes.
- Precision Indexing: Offers high-precision angular positioning for features that require tight tolerances.
- Continuous Machining: Allows for smooth, curved contours, making it superior to 3-axis for complex, non-planar surfaces.