Custom CNC Turning Services

Precision Lathe Machining for High-Quality Metal and Plastic Parts

NAITE TECH provides high-precision CNC turning services for both metal and plastic components, offering rapid prototyping and full-scale production with tight tolerances.

Equipped with advanced multi-axis CNC lathes and intelligent inspection systems, we deliver dimensionally accurate and consistent parts that meet the highest global standards.
From complex shafts and bushings to threaded fittings and housings, we provide complete custom turning solutions designed for performance and reliability.

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What Is CNC Turning and How Does It Work?

CNC turning is a subtractive manufacturing process in which a cutting tool removes material from a rotating workpiece to create precise cylindrical or conical parts such as shafts, pins, spacers, and bushings. Performed on a CNC (Computer Numerical Control) lathe, the process automates tool movement with high repeatability, ensuring exceptional dimensional accuracy and surface finish while reducing manual errors and production time.

In operation, the raw material—typically a bar or rod—is clamped into a rotating spindle, while the cutting tool moves along multiple axes (usually X and Z) to shape the desired geometry. Modern multi-axis CNC lathes are equipped with live tooling that enables drilling, tapping, and milling within a single setup, minimizing part handling and boosting overall precision and efficiency.

NAITE TECH CNC Turning Capabilities

At NAITE TECH, we combine advanced machinery, skilled engineers, and digital production systems to deliver precision turning parts from prototype to mass production.
Our turning centers support complex geometries, tight tolerances, and high-speed production for metals and engineering plastics alike.

Capability

Description

Max Length

500mm (20 in)

Tolerance

±0.005mm achievable

Supported Axes

2-axis, 3-axis, Live Tooling (Mill-Turn)

Production Volume

_{Prototype to low & medium batch}

Inspection

CMM, optical, and surface measurement

Materials

Metals & Plastics

Our production lines feature leading CNC lathe brands such as Mazak, Haas, and Fanuc, ensuring reliability and stability across every project.

Why Choose NAITE TECH for CNC Turning

At NAITE TECH, we deliver precision, reliability, and efficiency in every CNC turning project. Whether you need prototypes, small batches, or mass production, our comprehensive capabilities and engineering expertise ensure your parts meet the highest standards.

Advanced CNC Equipment

We operate a wide range of CNC turning machines, including 2-axis, 3-axis, multi-axis, live tooling, and Swiss-style lathes, enabling complex geometries, deep bores, fine threads, and tight tolerance parts. Our state-of-the-art machinery ensures consistent quality, even for intricate components.

Wide Material Compatibility

From metals (aluminum, stainless steel, steel, brass, copper, titanium) to plastics and engineering plastics (ABS, POM, PEEK, PPSU, PEI), we handle diverse materials with precision. This versatility allows us to meet the requirements of industries like automotive, robotics, medical devices, electronics, and aerospace.

High-Precision & Tight Tolerances

Our CNC turning processes support tolerances as tight as ±0.005–0.01mm, with full GD&T capabilities (roundness, cylindricity, concentricity). We combine advanced measurement tools, including CMM, projectors, and micrometers, to ensure every part conforms to your specifications.

Expert Engineering Support

Our team of experienced engineers provides one-on-one technical guidance, assisting with design optimization, material selection, and manufacturability. We help prevent common manufacturing issues such as thin walls, deep holes, or deflection in long shafts, saving you time and cost.

Scalable Production Capacity

From a single prototype to high-volume production, our facilities can scale to your needs without compromising quality or delivery speed. We optimize production flow for efficiency, reducing lead times and costs.

Rigorous Quality Assurance

NAITE TECH maintains a robust quality management system, including ISO9001 certification, first article inspection (FAI), in-process inspection, and final inspection with 100% critical dimension checks. Detailed inspection reports (COC / Inspection Report) ensure full traceability.

Fast Turnaround & Reliable Supply Chain

We understand time is critical. Our efficient production planning, reliable supply chain, and responsive customer service ensure your CNC turned parts are delivered on time, every time.

Proven Track Record Across Industries

With years of experience supplying automotive, aerospace, medical, robotics, and electronics industries, NAITE TECH has built a reputation for precision, reliability, and customer satisfaction. Your parts are in expert hands from design to delivery.

Choosing NAITE TECH for CNC turning means choosing a trusted partner who combines advanced equipment, material versatility, expert engineering, rigorous quality control, and reliable delivery. We transform your ideas into precision parts with confidence and efficiency.

CNC Turning Solutions for Every Industry

NAITE TECH provides high-precision CNC turning solutions engineered to meet the performance, reliability, and scalability requirements of a wide range of industries. Our turning capabilities support everything from simple shafts and bushings to mission-critical components with tight tolerances, complex geometries, and demanding surface finish requirements.

Industry

Typical CNC Turning Parts

Aerospace & Defense

Precision shafts, pins, fasteners, housings, threaded parts, and structural components with aerospace-grade tolerances and materials.

Automotive & Transportation

High-strength steel parts, engine connectors, sensor housings, bushings, couplings, and rotating components for powertrains and vehicle systems.

Medical & Healthcare

Surgical-grade stainless steel and titanium components, including implants, instrument handles, bone screws, and precision micro-turned parts.

Robotics & Automation

_{Custom motor shafts, couplers, brackets, pulleys, and hardware for robot joints, actuators, and automation assemblies.}

Electronics & Instrumentation

Precision connectors, threaded inserts, miniature housings, and brass/copper contacts for high-performance electronic devices.

Industrial Machinery & Equipment

Wear-resistant components, rollers, spindles, valves, and mechanical parts for heavy-duty industrial systems.

With advanced CNC lathes, Swiss-type turning centers, multi-axis turning-milling machines, and automated quality inspection systems, we deliver consistent accuracy and repeatability for both low-volume prototypes and high-volume production runs.

Industry Recognition

NAITE TECH has been recognized among the top CNC turning manufacturers in China for its ability to deliver high-precision turned and turn-mill components with consistent quality and scalable production capacity.

Our CNC turning services support a wide range of materials, tight tolerances, and complex geometries, making us a trusted manufacturing partner for customers seeking reliable CNC turning solutions from prototype to volume production.

What Makes Our Turning Solutions Stand Out

Support for a wide range of metals: aluminum, stainless steel, steel alloys, brass, copper, titanium.
Capability to machine micro-details and thin-wall structures
Stable quality in both prototypes and mass production
Responsive engineering support for manufacturability optimization
Reliable lead times and strict quality control at every stage
Whether you need a single precision prototype or tens of thousands of turned components, NAITE TECH ensures consistent quality, dimensional accuracy, and dependable delivery for all industries and project scales.

Each industry presents unique challenges — tight deadlines, complex tolerances, or specialized materials.
Our expertise ensures that no matter your design, NAITE TECH delivers precision parts that perform and last.

NAITE TECH CNC Turning Materials

At NAITE TECH, Gain access to quality surface finishing for custom CNC turning parts to remove aesthetic flaws and improve the appearance of your products. We also provide rigid protection and additional resistance and strength to your parts through superior surface finishes.

Metals

Aluminum

Aluminum

Lightweight, corrosion-resistant, and easy to machine, aluminum is ideal for precision CNC parts that require strength, efficiency, and tight tolerances.

Common Grades:
· 6061 / 6061-T6

· 7075 / 7075-T6

· 2024 · 5052

· 5083 · 6063

· 6082

· ADC12 (A380)

Key Advantages:
· Excellent machinability

· Cost-efficient

· Tight tolerances supported

Typical Lead Time:
~5 business days

Learn more about CNC machining capabilities for Aluminum.
Stainless Steel

Stainless Steel

Known for its strength and corrosion resistance, stainless steel is widely used for CNC components that must perform reliably in demanding environments.

Common Grades:
·304

· 316L

· 303

· 17-4PH

Key Advantages:
· Corrosion-resistant

· High strength

· Dimensional stability

Typical Lead Time:
~7 business days
Brass

Brass

Brass offers excellent machinability and a clean surface finish, making it well suited for precision fittings, connectors, and aesthetic components.

Common Grades:
· C360

· C260

· C280

Key Advantages:
· Superior machinability

· Good conductivity

· Smooth surface finish

Typical Lead Time:
~5 business days
Carbon Steel

Carbon Steel

Carbon steel provides high strength and cost efficiency, making it a practical choice for structural and mechanical CNC machined parts.

Common Grades:
· 1018

· 1020

· 1045

· A36

Key Advantages:
· High strength

· Cost-effective

· Widely used

Typical Lead Time:
~7 business days
Copper

Copper

With outstanding electrical and thermal conductivity, copper is ideal for CNC machining of electrical components and heat-transfer parts.

Common Grades:
· C110

· C101

· C102

Key Advantages:
· Excellent conductivity

· Thermal efficiency

· High purity options

Typical Lead Time:
~7 business days
Bronze

Bronze

Bronze combines wear resistance with low friction, making it a preferred material for bearings, bushings, and moving mechanical components.

Common Grades:
· C932

· C954

· C836

Key Advantages:
· Wear-resistant

· Low friction

· Corrosion-resistant

Typical Lead Time:
~7 business days
Iron

Iron

Iron offers high rigidity and vibration damping, commonly used for heavy-duty industrial components and structural CNC applications.

Common Grades:
· Cast Iron

· Ductile Iron

Key Advantages:
· High rigidity

· Vibration damping

· Suitable for heavy parts

Typical Lead Time:
~7–10 business days
Steel

Steel

Steel is a versatile CNC machining material that delivers strength, durability, and flexibility across a wide range of industrial applications.

Common Grades:
· 4140

· 4130

· Mild Steel

· Tool Steel

Key Advantages:
· High strength

· Versatile use

· Reliable performance

Typical Lead Time:
~7 business days
Magnesium Alloy

Magnesium Alloy

Extremely lightweight and highly machinable, magnesium alloys are ideal for CNC parts where weight reduction is a critical requirement.

Common Grades:
· AZ31

· AZ91

Key Advantages:
· Ultra-lightweight

· Excellent machinability

· High strength-to-weight ratio

Typical Lead Time:
~7 business days
Titanium Alloy

Titanium Alloy

Titanium alloys deliver exceptional strength-to-weight performance and corrosion resistance for high-demand, precision CNC applications.

Common Grades:
· Ti-6Al-4V (Grade 5)

· Grade 2

Key Advantages:
· High strength-to-weight

· Corrosion-resistant

· Aerospace-grade performance

Typical Lead Time:
~10 business days

Plastics

ABS

ABS

ABS is a versatile thermoplastic with excellent impact resistance and dimensional stability, suitable for functional prototypes and industrial components.

Common Grades:
· Standard ABS

· ABS-M30

· ABS+

Key Advantages:
· Impact-resistant

· Good machinability

· Cost-efficient

Typical Lead Time:
~5 business days
PMMA (Acrylic)

PMMA (Acrylic)

PMMA offers high optical clarity, excellent surface finish, and UV resistance, ideal for transparent parts and display applications.

Common Grades:
· Cast PMMA

· Extruded PMMA

Key Advantages:
· Transparent

· Scratch-resistant

· UV-stable

Typical Lead Time:
~5 business days
PC (Polycarbonate)

PC (Polycarbonate）

PC is a strong, transparent engineering plastic with high impact resistance and heat resistance, ideal for durable functional prototypes.

Common Grades:
· Standard PC

· PC-ABS blend

Key Advantages:
· High strength

· Transparent

· Heat-resistant

Typical Lead Time:
~5 business days
POM (Acetal)

POM (Acetal)

POM provides excellent dimensional stability, low friction, and wear resistance, making it ideal for gears, bearings, and precision mechanical parts.

Common Grades:
· Delrin® 500

· Acetal Copolymer

Key Advantages:
· Low friction

· Wear-resistant

· High dimensional stability

Typical Lead Time:
~5 business days
PE (Polyethylene)

PE (Polyethylene）

PE is lightweight, chemically resistant, and easy to machine, suitable for containers, insulation parts, and general prototypes.

Common Grades:
· HDPE

· LDPE

· UHMWPE

Key Advantages:
· Chemical-resistant

· Lightweight

· Easy to machine

Typical Lead Time:
~5 business days
Nylon (PA)

Nylon (PA)

Nylon is a strong, flexible engineering plastic with excellent wear resistance, ideal for functional parts like gears, bushings, and mechanical components.

Common Grades:
· PA6

· PA66

· Glass-filled PA

Key Advantages:
· Wear-resistant

· Strong

· Low friction

Typical Lead Time:
~5 business days
PEEK

PEEK

PEEK is a high-performance polymer with excellent thermal stability, chemical resistance, and mechanical strength for demanding applications.

Common Grades:
· Unfilled PEEK

· Carbon-filled PEEK

· Glass-filled PEEK

Key Advantages:
· High-temperature resistant

· Chemically resistant

· High strength

Typical Lead Time:
~7 business days
PTFE (Teflon)

PTFE (Teflon)

PTFE provides exceptional chemical resistance, low friction, and non-stick properties, ideal for seals, gaskets, and sliding components.

Common Grades:
· Virgin PTFE

· Filled PTFE

Key Advantages:
· Non-stick

· Chemically resistant

· Low friction

Typical Lead Time:
~5 business days
PET

PET

PET is a strong, dimensionally stable plastic with good chemical resistance, commonly used for structural parts and containers.

Common Grades:
· Standard PET

· PETG

Key Advantages:
· Strong

· Chemically resistant

· Dimensionally stable

Typical Lead Time:
~5 business days
PP (Polypropylene)

PP (Polypropylene)

PP is a lightweight, chemically resistant plastic suitable for functional parts, packaging prototypes, and fluid handling components.

Common Grades:
· Homopolymer PP

· Copolymer PP

Key Advantages:
· Lightweight

· Chemical-resistant

· Easy to machine

Typical Lead Time:
~5 business days
PPS (Polyphenylene Sulfide)

PPS (Polyphenylene Sulfide)

PPS is a high-performance engineering plastic with excellent chemical and heat resistance, ideal for industrial and electronic applications.

Common Grades:
· Standard PPS

· Glass-filled PPS

Key Advantages:
· Heat-resistant

· Chemically resistant

· High dimensional stability

Typical Lead Time:
~7 business days
PVC

PVC

PVC is a cost-effective plastic with good chemical resistance and electrical insulation properties, used for enclosures, tubing, and protective components.

Common Grades:
· Rigid PVC

· Flexible PVC

Key Advantages:
· Chemical-resistant

· Electrically insulating

· Cost-effective

Typical Lead Time:
~5 business days
PEI

PEI

PEI is a high-performance thermoplastic with excellent mechanical strength, thermal resistance, and dimensional stability for engineering applications.

Common Grades:
· Standard PEI

· Glass-filled PEI

Key Advantages:
· High strength

· Heat-resistant

· Dimensionally stable

Typical Lead Time:
~7 business days
FR4 / G-10

FR4 / G-10

FR4 and G-10 are fiberglass-reinforced epoxy laminates, ideal for PCB substrates and structural components requiring electrical insulation.

Common Grades:
· FR4

· G-10 standard

Key Advantages:
· Electrically insulating

· High rigidity

· Heat-resistant

Typical Lead Time:
~7 business days
Carbon Fiber (CF)

Carbon Fiber (CF)

Carbon fiber reinforced plastics offer exceptional stiffness-to-weight ratio and high strength for aerospace, automotive, and industrial prototypes.

Common Grades:
· CF-PA

· CF-PET

· CF-PPS

Key Advantages:
· Lightweight

· High strength

· Stiffness

Typical Lead Time:
~7 business days
Bakelite

Bakelite

Bakelite is a thermosetting plastic with excellent electrical insulation, dimensional stability, and heat resistance, suitable for electrical and mechanical parts.

Common Grades:
· Standard Bakelite

· Filled Bakelite

Key Advantages:
· Heat-resistant

· Electrically insulating

· Dimensionally stable

Typical Lead Time:
~7 business days
PPSU (Polyphenylsulfone)

PPSU (Polyphenylsulfone)

PPSU is a high-performance plastic with excellent impact resistance, thermal stability, and chemical resistance, ideal for medical and industrial applications.

Common Grades:
· Standard PPSU

· Glass-filled PPSU

Key Advantages:
· Impact-resistant

· Heat-resistant

· Chemically resistant

Typical Lead Time:
~7 business days
PU (Polyurethane)

PU (Polyurethane)

PU is a flexible, durable plastic suitable for prototyping parts that require elasticity, abrasion resistance, or cushioning.

Common Grades:
· Rigid PU

· Flexible PU

· Cast PU

Key Advantages:
· Elastic

· Wear-resistant

· Durable

Typical Lead Time:
~5 business days
HIPS (High Impact Polystyrene)

HIPS (High Impact Polystyrene)

HIPS is a lightweight, cost-effective plastic with good impact resistance and machinability, ideal for prototypes and consumer products.

Common Grades:
· Standard HIPS

· ABS-HIPS blends

Key Advantages:
· Impact-resistant

· Cost-efficient

· Easy to machine

Typical Lead Time:
~5 business days

Every material is carefully selected from certified suppliers to ensure durability, consistency, and machinability.

View All Materials

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NAITE TECH Turning Surface Finishes

Surface finishing enhances appearance, corrosion resistance, and functionality.
At NAITE TECH, we offer more than 20 post-processing options to meet aesthetic or performance requirements.

As-Machined

Machined surface without further treatment, retaining tool marks; surface roughness approximately Ra 3.2 μm.

Polishing

Removes minor protrusions and scratches through mechanical or electrochemical methods to achieve a smooth or mirror-like surface.

Sandblasting

Uses high-speed abrasive blasting (e.g., quartz sand, steel grit) to remove oxidation layers, burrs, and other contaminants, resulting in a uniform matte or rough surface.

Anodizing

Electrochemical treatment of aluminum and its alloys to form a dense oxide film, enhancing corrosion and wear resistance; can be colored.

Electroplating

Deposits metal coatings (e.g., gold, nickel, chrome, zinc) on the surface through electrolysis to enhance corrosion resistance, hardness, and appearance.

Heat Treatment

Includes annealing, quenching, tempering, etc., altering the internal structure of metals through heating and cooling to improve hardness, strength, and wear resistance.

Painting

Applies paint to the surface to form a protective film, preventing corrosion and providing desired color and gloss.

Powder Coating

Electrostatic application of dry powder coating followed by heating to cure, forming a durable and hard coating.

Satin Finish

Achieves a uniform matte effect through mechanical polishing or sandblasting, reducing reflectivity.

Brushing

Creates uniform linear textures on the surface using abrasive brushes or belts, providing a decorative finish

Tumbling

Places parts and abrasives in a tumbler to remove burrs and improve surface smoothness through friction.

Bead Blasting

High-pressure blasting with non-metallic abrasives like glass or ceramic beads to create a fine matte finish.

Shot Peening

Bombards the surface with steel shots at high speed to induce compressive stress layers, enhancing fatigue strength and crack resistance.

Electrophoretic Painting

Immerses parts in a charged paint solution, using an electric field to uniformly deposit paint, forming a dense coating.

Electroless Plating

Deposits metal coatings (commonly nickel, copper) on surfaces through chemical reactions without external current.

Grinding

Uses grinding wheels or similar tools for precise cutting, achieving high dimensional accuracy and surface finish.

Honing

Employs honing stones to improve roundness, straightness, and surface finish of holes.

Lapping

Introduces abrasive slurry between the workpiece and a lapping tool, achieving ultra-precise surface finishes through relative motion..

Flame Polishing

Rapidly heats plastic surfaces with a flame, causing them to melt slightly and self-level, removing minor burrs.

Vapor Polishing

Exposes plastic surfaces to chemical solvent vapors, melting the surface layer to self-level and smooth imperfections.

Explore Surface Finishes

Tolerances & Design Guidelines for CNC Turning

Precision is at the heart of every turning project.
At NAITE TECH, our standard tolerance for CNC turning is ±0.05mm, while precision components can reach ±0.005mm, depending on material and geometry.
We work closely with clients during the DFM (Design for Manufacturability) stage to ensure designs are optimized for both performance and cost efficiency.

Design Feature

Recommended Specification

Minimum Wall Thickness

≥ 0.5mm

Maximum Part Diameter

≤ 300mm

Maximum Length

≤ 500mm

Internal Radii

_{Use fillets ≥ 0.25mm}

Threads

Use standard metric/inch threads

Tolerances

Specify only where critical

Surface Finish

Ra 1.6μm typical, Ra 0.4μm achievable

Traditional CNC Turning vs. Swiss-Type Machining

Category

CNC Turning

Swiss CNC Turning

Best For

≤ 300mm

Small, slender, high-precision components

Typical Part Size

Ø5–300 mm; length < 300 mm

Precision Level

High

Ultra-high (ideal for micro-precision)

Tolerance Capability

±0.01–0.02 mm

±0.005–0.01 mm

Rigidity During Machining

Lower for long/thin parts (risk of deflection)

Excellent — guide bushing supports material directly

Surface Finish Quality

Good

Superior (consistent micro-finish)

Tool Configuration

Limited live tooling (depending on machine)

Multi-tool + live-tooling system (simultaneous operations)

Machining Efficiency

High

Very high — multiple tools cutting at once

Suitable Geometries

Threads, grooves, standard turning features

Micro-features, complex small components, Swiss-specific features

Ideal Applications

Automotive, machinery, general industrial parts

Medical devices, electronics, aerospace components, watchmaking

Best Volume Range

Prototypes → Medium production

Small → Mass production (lights-out automation)

Material Waste

Standard

Very low waste

Production Speed

Fast

Extremely fast (optimized for mass production)

Cost Efficiency

Lower machine cost; suitable for medium complexity

Best for small precision parts and large-volume runs

Automation Level

Moderate

High (bar feeders, continuous production)

Applications of CNC Turning

Our CNC turning services are widely applied in the manufacturing of precision rotational components where dimensional accuracy, concentricity, and surface consistency are critical. NAITE TECH supports customers across multiple industries, delivering CNC turned parts from rapid prototyping to stable volume production.

We specialize in machining shafts, bushings, sleeves, threaded components, connectors, and precision cylindrical parts using aluminum, stainless steel, brass, titanium, and engineering plastics—meeting both functional and assembly requirements.

Automotive Components

Typical CNC Turned Parts

Transmission and drive shafts

Engine bushings and spacers

Threaded fasteners and fittings

Sensor housings and connectors

Why CNC Turning

High concentricity and repeatability for rotating parts

Stable dimensional control for batch production

Cost-effective for aluminum, steel, and brass

components

Procurement Advantages

Flexible order quantities

Secondary operations (drilling, tapping, surface finishing) supported

Aerospace & Aviation

Typical CNC Turned Parts

Hydraulic fittings

Actuator components

Structural fasteners

Precision sleeves

Why CNC Turning

Tight tolerances and excellent roundness

Consistent surface finish for sealing applications

Suitable for aluminum and stainless steel alloys

Quality & Compliance

First Article Inspection (FAI)

Full dimensional inspection reports available

Medical & Healthcare Devices

Typical CNC Turned Parts

Medical connectors

Instrument shafts

Precision sleeves

Threaded fittings

Why CNC Turning

High accuracy for functional assemblies

Smooth surface finishes to meet hygiene requirements

Compatible with stainless steel and engineering plastics

Quality Support

Material traceability

Cosmetic and dimensional inspections upon request

Industrial Machinery & Equipment

Typical CNC Turned Parts

Drive shafts and rollers

Bushings and couplings

Sleeves and collars

Why CNC Turning

Robust machining for load-bearing components

Stable repeatability for long-term supply programs

Suitable for custom geometries and mid-volume production

Value for Buyers

Engineering support for manufacturability (DFM)

Consistent quality for repeat orders

Electronics & Electrical Components

Typical CNC Turned Parts

Electrical connectors and contact pins

Threaded housings

Shielding components

Why CNC Turning

High precision for tight assemblies

Excellent surface quality for conductive materials

Ideal for brass, copper, and aluminum alloys

Added Capabilities

Surface finishing (anodizing, electroplating)

Deburring and cosmetic inspection

Robotics & Automation

Typical CNC Turned Parts

Precision shafts and spacers

Coupling components

Motion control parts

Why CNC Turning

Tight tolerances for mechanical alignment

Excellent concentricity and repeatability

Suitable for both prototyping and small-batch production

Engineering Benefits

Design feedback to reduce deformation on slender parts

Multi-material compatibility

Each part we manufacture undergoes complete dimensional and surface testing to ensure reliability under real-world conditions.

Quality Assurance at NAITE TECH

At NAITE TECH, quality is at the core of everything we do. Our CNC turning services adhere to the highest industry standards to ensure that every part we produce meets your exact specifications. We combine advanced equipment, rigorous inspection procedures, and certified quality management systems to guarantee precision, reliability, and traceability.

Incoming Material Inspection

Before production begins, all incoming materials undergo a rigorous verification process. This includes checking material certificates (RoHS, REACH, MSDS), validating grade and specification, as well as performing surface inspection and dimensional sampling. Only materials that fully meet mechanical, chemical, and quality requirements are approved for production.
In-Process Quality Control (IPQC)

During machining, our IPQC team performs scheduled inspections at critical stages, monitoring dimensions, tool wear, surface quality, and machining stability. Any deviation is immediately addressed to prevent downstream defects. This ensures consistency and accuracy throughout the entire manufacturing cycle.
First Article Inspection (FAI)

For every new order, new setup, or design change, a full FAI is carried out. This includes verifying all dimensions, tolerances, hole positions, threads, assemblies, and special requirements. The project moves to mass production only after the FAI is approved by both the QA team and project engineer.
Full Dimensional Inspection

Parts with tight tolerances or critical features undergo full dimensional inspection. Using CMM, micrometers, height gauges, pin gauges, thread gauges, and optical measurement equipment, we verify every measurement point to ensure unmatched accuracy and repeatability.
Surface & Cosmetic Inspection

Each part is visually and physically inspected to ensure the surface meets both functional and cosmetic standards. We check for scratches, dents, burrs, oxidation, uneven anodizing, coating defects, sharp edges, and any imperfections that may affect assembly or appearance.
Final Quality Verification

Before packaging and shipment, all finished parts undergo a final verification process. This includes dimensional re-checks, cosmetic inspection, functional fit tests, and confirmation of special customer requirements. Only parts that fully meet the specifications are approved for dispatch.
Complete Inspection Reports

NAITE TECH provides complete documentation for full transparency and traceability. Available reports include: full dimensional inspection reports, COC, material certification, FAI reports, process inspection sheets, and surface treatment documentation. These records ensure compliance and support customer quality audits.

Incoming Material Inspection
In-Process Quality Control (IPQC)
First Article Inspection (FAI)
Full Dimensional Inspection
Surface & Cosmetic Inspection
Final Quality Verification
Complete Inspection Reports

Choosing NAITE TECH for CNC turning means choosing a partner committed to excellence, with certified quality systems, rigorous inspections, full material traceability, and detailed documentation, ensuring every part meets your exact requirements.

Precision CNC Turning FAQs

1. What is CNC turning and how does it work?

CNC turning is a precision machining process where the workpiece rotates while a cutting tool removes material to create cylindrical or rotational parts. CNC lathes use computer-controlled movements along the X and Z axes, allowing for high accuracy, repeatability, and efficient production of shafts, bushings, sleeves, and threaded components.
2. What types of parts are best suited for CNC turning?

CNC turning is ideal for rotational and cylindrical components, including shafts, bushings, spacers, collars, pins, threaded fittings, connectors, and precision sleeves. Parts requiring high concentricity, roundness, or smooth surface finishes are especially well-suited for CNC turning.
3. What materials can be used for CNC turning?

Common CNC turning materials include aluminum alloys, stainless steel, carbon steel, brass, copper, titanium, and engineering plastics such as POM, Nylon, and PEEK. Material selection depends on strength, corrosion resistance, machinability, and end-use requirements.
4. What tolerances can CNC turning achieve?

Standard CNC turning tolerances are typically ±0.01 mm, while tighter tolerances of ±0.005 mm or better can be achieved depending on part geometry, material, and machining method. Critical features such as diameters, concentricity, and roundness can be tightly controlled with advanced inspection.
5. What surface finishes are available for CNC turned parts?

CNC turned parts can be delivered as-machined or with secondary surface finishes, including polishing, anodizing, electroplating, black oxide, sandblasting, and brushed finishes. Surface finish options depend on material type and functional or cosmetic requirements.
6. What is the typical lead time for CNC turning services?

Lead times for CNC turning vary based on part complexity, quantity, and material availability. Prototypes can often be delivered within 3–7 business days, while production orders typically range from 1–3 weeks. Expedited options may be available upon request.
7. What is the minimum and maximum order quantity for CNC turning?

CNC turning supports both low-volume prototyping and medium- to high-volume production. There is no strict minimum order quantity, and production runs can scale from single prototypes to thousands of parts with consistent quality.
8. Can CNC turning parts include secondary operations?

Yes. CNC turning can be combined with secondary operations such as drilling, tapping, milling (via live tooling), deburring, surface finishing, and CNC milling for more complex features. This reduces additional setups and improves overall accuracy.
9. How is quality ensured for CNC turning parts?

Quality assurance includes incoming material inspection, first article inspection (FAI), in-process quality control, and final dimensional inspection. Advanced measuring tools such as CMMs, micrometers, and optical comparators are used to verify critical dimensions. Inspection reports are available upon request.
10. How do I get a quote for CNC turning services?

To receive a CNC turning quote, simply upload your CAD files (STEP, STP, or SolidWorks formats are preferred) and specify material, quantity, tolerance, and surface finish requirements. Our engineering team reviews each project and provides a fast, accurate quotation.

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Custom CNC Turning Services

Precision Lathe Machining for High-Quality Metal and Plastic Parts

What Is CNC Turning and How Does It Work?

NAITE TECH CNC Turning Capabilities

Why Choose NAITE TECH for CNC Turning

Advanced CNC Equipment

Wide Material Compatibility

High-Precision & Tight Tolerances

Expert Engineering Support

Scalable Production Capacity

Rigorous Quality Assurance

Fast Turnaround & Reliable Supply Chain

Proven Track Record Across Industries

CNC Turning Solutions for Every Industry

Industry Recognition

What Makes Our Turning Solutions Stand Out

NAITE TECH CNC Turning Materials

Metals

Aluminum

Stainless Steel

Brass

Carbon Steel

Copper

Bronze

Iron

Steel

Magnesium Alloy

Titanium Alloy

Plastics

ABS

PMMA (Acrylic)

PC (Polycarbonate）

POM (Acetal)

PE (Polyethylene）

Nylon (PA)

PEEK

PTFE (Teflon)

PET

PP (Polypropylene)

PPS (Polyphenylene Sulfide)

PVC

PEI

FR4 / G-10

Carbon Fiber (CF)

Bakelite

PPSU (Polyphenylsulfone)

PU (Polyurethane)

HIPS (High Impact Polystyrene)

NAITE TECH Turning Surface Finishes

As-Machined

Polishing

Sandblasting

Anodizing

Electroplating

Heat Treatment

Painting

Powder Coating

Satin Finish

Brushing

Tumbling

Bead Blasting

Shot Peening

Electrophoretic Painting

Electroless Plating

Grinding

Honing

Lapping

Flame Polishing

Vapor Polishing

Tolerances & Design Guidelines for CNC Turning

Traditional CNC Turning vs. Swiss-Type Machining

Applications of CNC Turning

Automotive Components

Aerospace & Aviation

Medical & Healthcare Devices

Industrial Machinery & Equipment

Electronics & Electrical Components

Robotics & Automation

Quality Assurance at NAITE TECH

Incoming Material Inspection