Custom CNC Turning Services

We provide comprehensive CNC turning services, delivering precision components from rapid prototypes to high-volume production runs, with tolerances up to ±0.01 mm and lead times as fast as 24 hours.

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Reliable CNC Turning Services Provider from China

Robotika is a trusted CNC turning services manufacturer in China. Our facility is equipped with advanced CNC turning centers and multi-axis machines, enabling us to deliver rapid prototypes and high-volume production with tight tolerances up to ±0.01 mm. We go beyond machining by offering professional engineering support, including DFM (Design for Manufacturability) analysis, to help clients optimize designs, reduce production risks, and lower costs. Our quality control team inspects every part using advanced measuring equipment to ensure accuracy, surface finish, and dimensional consistency—making us a dependable partner for both functional end-use parts and aesthetic prototypes.

With over a decade of manufacturing experience, Robotika produces more than 100,000 precision-turned components annually, supplying industries such as automotive, aerospace, electronics, medical devices, and industrial machinery worldwide. We work with companies of all sizes, from startups to global manufacturers, delivering stable supply, competitive lead times, and outstanding service.

Our CNC Turning Services Capabilities

Robotika offers professional CNC turning services utilizing advanced CNC lathes and multi-axis turning centers, supported by automatic bar feeders and gantry loaders for efficient high-volume production. Our expertise in high-speed cutting with constant surface speed control ensures superior surface finishes and dimensional stability, while carbide and coated cutting tools allow us to process a wide range of materials, including aluminum, stainless steel, brass, copper, titanium, and engineering plastics such as POM, PEEK, and PTFE.To meet diverse industry requirements, we provide a variety of surface finishing options for CNC-turned parts, including anodizing, powder coating, sandblasting, polishing, electroplating, and passivation. Our operations achieve tolerances as tight as ±0.01 mm for metals and ±0.02 mm for plastics, verified by rigorous quality control processes using advanced CMMs and optical measuring systems.

CNC Turning Capabilities

Maximum Build Size

Typically, these items measure up to 500 mm in diameter and 1500 mm in length, although larger sizes can be handled with specialized equipment.

Supported Materials

Capable of machining aluminum, stainless steel, brass, copper, carbon steel, and engineering plastics (POM, ABS, Nylon, PEEK, etc.), meeting various industrial and custom production needs.

Machining Accuracy

Standard tolerance controlled within ±0.01mm, ensuring high precision for mechanical components, electronic parts, and industrial applications.

Surface Finishing Options

Supports anodizing, polishing, sandblasting, powder coating, electroplating, laser engraving, and more for enhanced durability and aesthetics.

Delivery Time

Standard CNC machining lead time is 5-7 days, with expedited service available for urgent projects.

Our Latest CNC Turning Products We have Manufactured

CNC Turning Tolerance

Part Type	Tolerance Range
Aluminum	±0.02 mm (±0.0008 in)
Stainless Steel	±0.02 mm (±0.0008 in)
Brass / Copper	±0.015 mm (±0.0006 in)
Titanium	±0.025 mm (±0.001 in)
Engineering Plastics	±0.05 mm (±0.002 in)
General Commercial Parts	±0.05 mm (±0.002 in)

CNC Turning Materials

Aluminum alloys

Aluminum alloys are ideal for CNC turning due to their excellent machinability, high strength-to-weight ratio, and corrosion resistance. They enable fast, precise machining with tight tolerances and smooth finishes. In CNC turning, aluminum alloys are widely used for automotive components, aerospace fittings, electronic housings, and machinery parts—for example, engine brackets, aircraft connectors, and heat sink housings.

Lead Time: As fast as 3 days.
Finishes: Raw, anodized, bead blasted, polished.

Stainless steel

Stainless steel is well-suited for CNC turning due to its high strength, corrosion resistance, and ability to maintain dimensional stability under machining stress. It delivers excellent durability and wear resistance, making it ideal for precision parts in demanding environments. Typical applications include medical instrument shafts, automotive bushings, aerospace fasteners, and food-grade fittings where hygiene, strength, and longevity are critical.

Lead Time: As fast as 3 days
Finishes: Raw, polished, passivated, bead blasted

Carbon steel

Carbon steel is well-suited for CNC turning due to its high strength, toughness, and excellent machinability, making it ideal for durable, load-bearing components. In CNC turning, carbon steel is commonly used for shafts, gears, fasteners, and machine parts—for example, drive shafts, threaded rods, and couplings—where strength and wear resistance are critical.

Lead Time: As fast as 3 days.
Finishes: Raw, black oxide, zinc plated, polished.

Brass

Brass is an excellent choice for CNC turning due to its superior machinability, corrosion resistance, and attractive finish, allowing for precise and efficient production. In CNC turning, brass is widely used for fittings, valves, decorative hardware, and electronic components—for example, plumbing connectors, electrical terminals, and precision bushings—where accuracy and appearance are equally important.

Lead Time: As fast as 3 days.
Finishes: Raw, polished, nickel plated, chrome plated.

Copper

Copper is ideal for CNC turning due to its excellent thermal and electrical conductivity, corrosion resistance, and good machinability. In CNC turning, copper is widely used for electrical contacts, heat exchangers, plumbing parts, and industrial fittings—for example, bus bars, heat sink components, and threaded connectors—where conductivity and precision are critical.

Lead Time: As fast as 3 days.
Finishes: Raw, polished, nickel plated, tin plated.

Titanium Alloys

Titanium alloys are highly suitable for CNC turning due to their exceptional strength-to-weight ratio, corrosion resistance, and biocompatibility. In CNC turning, they are widely used for aerospace components, medical implants, automotive performance parts, and marine hardware—for example, aircraft fasteners, bone screws, and racing engine valves—where strength and durability are essential.

Lead Time: As fast as 5 days.
Finishes: Raw, polished, bead blasted, anodized.

ABS

ABS (Acrylonitrile-Butadiene-Styrene) is ideal for CNC turning due to its toughness, impact resistance, and ease of machining at low temperatures. It allows for precise shaping and smooth finishes, making it suitable for automotive knobs, electronic housings, appliance handles, and prototype parts—for example, gear covers, switch housings, and instrument bezels.

Mill Lead Time: Up to 3 days.
Color: Black, neutral matte finish.

POM

POM (Polyoxymethylene) is ideal for CNC turning due to its low friction, high wear resistance, and excellent dimensional stability. It machines easily into precise components with smooth surfaces, making it suitable for gears, bushings, pulleys, and automotive fuel system parts—for example, precision rollers, valve seats, and fastening components.

Mill Lead Time: Up to 3 days.
Color: Black, white, natural finish.

Nylon

Nylon is ideal for CNC turning due to its high strength, wear resistance, and excellent impact absorption, while remaining lightweight and easy to machine. It is widely used for bushings, pulleys, gears, and sealing components—for example, bearing sleeves, timing pulleys, and valve seats—where durability and low friction are essential.

Mill Lead Time: Up to 3 days.
Color: Natural, black, white.

PVC

PVC (Polyvinyl Chloride) is ideal for CNC turning due to its excellent chemical resistance, low moisture absorption, and ease of machining. It is commonly used for pipe fittings, valve components, insulation parts, and chemical equipment—for example, threaded connectors, flange adapters, and protective covers—where durability and corrosion resistance are required.

Mill Lead Time: Up to 3 days.
Color: Gray, white, natural finish.

HDPE

HDPE (High-Density Polyethylene) is ideal for CNC turning due to its excellent impact resistance, low moisture absorption, and chemical durability. It machines smoothly into lightweight, tough parts, making it suitable for water system components, food processing equipment, and protective housings—for example, pipe fittings, cutting boards, and tank caps.

Mill Lead Time: Up to 3 days.
Color: Natural, black, white.

PEEK

PEEK (Polyether Ether Ketone) is ideal for CNC turning due to its exceptional strength, high-temperature resistance up to 260°C, and excellent chemical stability. It is widely used for aerospace components, medical implants, and semiconductor parts—for example, aircraft bushings, surgical instrument handles, and wafer processing fixtures—where precision and durability are critical.

Mill Lead Time: Up to 3 days.
Color: Black, neutral matte finish.

PTFE (Teflon)

PTFE (Polytetrafluoroethylene) is ideal for CNC turning due to its outstanding chemical resistance, extremely low friction, and excellent thermal stability. It is commonly used for seals, gaskets, insulators, and chemical handling parts—for example, valve seats, bearing pads, and electrical insulation components—where non-stick properties and durability are essential.

Mill Lead Time: Up to 3 days.
Color: White, matte finish.

PPS

PPS (Polyphenylene Sulfide) is ideal for CNC turning due to its excellent dimensional stability, high heat resistance, and strong chemical resistance. It is widely used for precision mechanical parts, electrical components, and automotive applications—for example, pump housings, connector insulators, and valve components—where stability under harsh conditions is required.

Mill Lead Time: Up to 3 days.
Color: Black, natural matte finish.

PVDF

PEEK (Polyether Ether Ketone) is ideal for CNC turning due to its exceptional strength, high heat resistance up to 260°C, and excellent chemical stability. It is widely used for aerospace parts, medical implants, and semiconductor components—for example, aircraft bushings, bone screws, and wafer handling fixtures—where precision and durability are critical.

Mill Lead Time: Up to 3 days.
Color: Black, neutral matte finish.

Ultem

Ultem (Polyetherimide, PEI) is ideal for CNC turning due to its high strength, heat resistance up to 170°C, and excellent electrical insulation properties. It is commonly used for aerospace components, medical devices, and electronic housings—for example, aircraft brackets, surgical instrument parts, and high-voltage insulators—where durability and dimensional stability are essential.

Mill Lead Time: Up to 3 days.
Color: Amber, natural matte finish.

Finishing Options for CNC Turning

Name	Description	Colors	Can Be Applied with
Anodizing (Type II & III)	Electrochemical process that forms a protective oxide layer on aluminum.	Matte or glossy finish, colored or clear.	Aluminum alloys, aluminum CNC turned components
Powder Coating	Provides a durable, uniform coating that protects against wear, chemicals, and environmental factors.	Smooth or textured coating in various colors.	Aluminum, steel, stainless steel parts for machinery, consumer goods, automotive components.
Electroplating (Nickel, Chrome, Zinc, Gold)	Deposits a thin metal layer onto the surface of a part using electrical current.	Bright, reflective metallic finish.	Steel shafts, brass fittings, decorative trim, electrical contacts.
Polishing	Mechanical or chemical process to smooth surfaces to a high gloss.	Glossy, mirror-like finish.	Stainless steel decorative parts, brass components, precision instruments.
Bead Blasting / Sandblasting	Uses abrasive media to create a uniform matte surface.	Matte, satin finish.	Aluminum enclosures, stainless steel covers, titanium parts.
Passivation	Chemical treatment that removes free iron from stainless steel surfaces.	Natural metallic finish.	Stainless steel CNC turned parts, medical devices, food processing equipment.
Black Oxide	Chemical conversion coating for steel and stainless steel.	Matte black finish.	Fasteners, tools, machine parts.
Vapor Polishing	Melts the outer surface of transparent plastics using vaporized solvents.	Clear, glossy transparent finish.	Polycarbonate lenses, acrylic display covers, optical components.
Painting / Spray Coating	Applies liquid paint for protection and color.	Glossy, matte, or textured finish.	Consumer products, automotive panels, machinery covers.