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CNC milling machining service
CNC Turning Services

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What is CNC Turning?

CNC Turning is a precision machining process where the workpiece rotates while a cutting tool removes material to create cylindrical parts.

It is widely used for producing shafts, bushings, fasteners, and other round components.

At Starway, we provide custom CNC turning services in China, delivering high-precision CNC turned parts for global industries.

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Types of CNC Turning Technologies
TechnologyDescriptionTypical Tolerance (Realistic)Best For
2-Axis CNC TurningBasic OD/ID turning, facing, threading on X/Z axes.Typical: 卤0.025 mm; 卤0.01 mm achievable on critical diameters.Shafts, pins, bushings, fasteners
Multi-Axis Turning with Live ToolingCombines turning with driven milling/drilling.Typical: 卤0.01 mm on diameters; 卤0.025 mm on milled features.Parts with cross-holes, flats, hex features
Swiss-Type TurningSliding-headstock lathe for long, slender parts with high concentricity.Typical: 卤0.005 mm; 卤0.002 mm achievable on micro features.Medical screws, electronic pins, micro shafts
Mill-Turn (Turning + Milling)Adds full milling capability to turning centers.Typical: 卤0.01 mm.Complex shafts requiring milling/drilling in single setup
High-Productivity / Multi-Spindle TurningMulti-spindle CNC lathes for very high throughput.Typical: 卤0.025 mm.Mass production of standardized turned components
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How Does CNC Turning Work?

CNC Turning uses a lathe machine where the material rotates at high speed, and a cutting tool shapes it into the desired form.

Typical Process: CAD Design & Engineering Review.
CAM Programming.
CNC Turning (lathe machining).
Inspection (CMM / gauges).
Finishing & Delivery.

This process ensures high efficiency, consistency, and precision for cylindrical components.

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CNC Milling vs CNC Turning vs CNC Grinding Comparison
ParameterCNC MillingCNC TurningCNC Grinding
Process TypeSubtractive cutting via rotating tool against stationary workpiece.Subtractive cutting via stationary tool against rotating workpiece.Abrasive material removal using bonded grinding wheels.
Typical Tolerance卤0.025鈥撀0.05 mm; 卤0.01 mm achievable on critical features.卤0.025鈥撀0.05 mm; 卤0.005鈥撀0.01 mm on Swiss-type / precision turning.卤0.002鈥撀0.01 mm (precision grinding); 卤0.001 mm on jig grinding.
Surface Roughness Ra1.6鈥3.2 渭m typical; 0.8 渭m with finishing pass.1.6鈥3.2 渭m typical; 0.8 渭m with finishing pass.0.2鈥0.8 渭m typical; 0.05 渭m achievable on superfinishing.
Starway Equipment RangeX 1500 脳 Y 800 脳 Z 700 mm (machine dependent).Max turning 桅 up to ~500 mm; bed length up to ~1500 mm.Limited precision travel; please request specs per project.
Workpiece ShapePrismatic / 3D / cavities.Cylindrical / shafts / discs.Cylindrical / flat / form-ground profiles.
MaterialsSteel, aluminum, brass, copper, plastics, composites.Steel, aluminum, brass, copper, plastics.Hardened steel, tool steel, ceramic, carbide, hard plastics.
Best ApplicationsBrackets, housings, molds, slots, threads.Shafts, bushings, fittings, pins.Bearing journals, gauges, precision shafts, mold cores.
Material Removal RateHighHighLow (designed for precision, not bulk)
AdvantagesFlexible geometry, wide material range.High efficiency for rotational parts.Best-in-class accuracy and surface finish.
LimitationsSurface finish below grinding.Limited to rotational geometries.Low MRR, longer cycle, higher cost per feature.
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CNC Turning Materials

Stainless Steel

Stainless steels are widely used in CNC machining due to their excellent corrosion resistance and strength.

Carbon Steel/ Alloy Steel

Carbon and alloy steels offer high strength and durability for mechanical components, shafts, and industrial parts.

Aluminum

Aluminum alloys are lightweight, corrosion-resistant, and easy to machine. They are commonly finished with anodizing or coating to enhance surface durability.

Titanium

Titanium and other high-strength alloys provide exceptional strength-to-weight ratios and corrosion resistance.

Plastic

Engineering plastics such as POM (Delrin), Nylon, and ABS are easy to machine and lightweight.

Copper & Brass

Copper and brass are ductile and offer good thermal and electrical conductivity. They are often used in electrical components

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Advantages of Starway CNC Turning Services At Starway, we combine advanced CNC Turning technology with full-service manufacturing capabilities to deliver high-quality, cost-effective custom metal parts.
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