CNC Turning & Turn-Mill Machining

LAIRUN provides CNC turning and turn-mill machining for shafts, sleeves, bushings, pins, flanges, connectors and other rotational components. Depending on the part design, turning operations can be combined with milling, drilling, grooving and threading to produce more features in a coordinated setup and reduce unnecessary part transfers between machines.
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PROCESS SCOPE

What Our Turning Capability Covers

Turning is used where the main geometry is generated around a rotational axis. For parts that also include flats, cross holes, slots or off-axis features, turn-mill machining can combine rotational and prismatic features within the same production route.

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CNC Turning

External and internal diameter machining, facing, shoulders, tapers and stepped profiles for rotational components.

OD / ID Machining

Control of related external and internal diameters for sleeves, bushings, housings and other fit-related components.

Grooving & Threading

External and internal grooves, undercuts and threads produced according to drawing requirements and applicable thread standards.

Turn-Mill Machining

Turning combined with live-tool milling or drilling for parts that require flats, cross holes, slots, bolt patterns or other non-rotational features.

TYPICAL FEATURES & PARTS

Typical Turned Features and Components

CNC turning is commonly used for parts in which diameter relationships, shoulders, bores and axial features are critical. Typical work includes:

 

  • Shafts, pins and stepped cylindrical parts
  • Sleeves, bushings and spacers
  • Flanges, rings and connectors
  • External and internal diameters
  • Bores, counterbores and internal steps
  • Grooves, reliefs and undercuts
  • External and internal threads
  • Tapers, shoulders and controlled-length faces
  • Cross holes, flats and milled features on turn-mill parts
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PROCESS CONTRO

What We Control During Turning

Rotational components often depend on how multiple diameters and faces relate to a common axis. The machining plan therefore focuses on workholding, datum selection and completion of critical features in stable setups.

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Concentricity & Runout Relationships

Where several diameters or faces must relate to the same axis, the setup and machining sequence are planned to keep those features referenced as consistently as possible.

Workholding & Part Deformation

Clamping method and force are selected according to wall thickness, length and geometry, particularly for sleeves, thin-wall parts and components that can distort under chuck pressure.

OD / ID Feature Relationships

External diameters, internal bores, shoulders and end faces are sequenced to support the dimensional and geometric relationships specified on the drawing.

Turning-to-Milling Alignment

For turn-mill parts, the relationship between rotational features and cross holes, flats, slots or milled faces is considered when choosing the setup and machining sequence.

CAPABILITY DATA

Capability Snapshot

Capability Item

Details

Maximum Turning Diameter

Ø500mm

Maximum Turning Length

1100mm

Bar Capacity

Ø100mm

Turn-Mill Capability

Confirm live tooling / C-axis / Y-axis capability as applicable. Do not imply a machine configuration you do not have.

Typical Tolerance

±0.003mm

Production Range

Prototype, low-volume and production quantities

Need a Turned Part With Additional Milled Features?

Send the part drawing, 3D model, material, quantity and critical diameter or runout requirements. We can review whether conventional CNC turning or a turn-mill route is the better fit for the part.

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