CNC Turning
TDX provides professional CNC turning service for prototype development and mass production. We process rotary workpieces including shafts, worms and spherical parts, and support threading and cylindrical precision machining.
●Capable of manufacturing rotary parts with complex geometries
●Multiple surface finishing options: polishing, anodizing, etc.
●Processable materials: aluminum, steel, stainless steel, brass, titanium
●Fast turnaround: prototypes available within 24 hours
●Certified quality system: ISO9001
CNC Turning Capabilities
Standard CNC Turning
Application: Suited for high-speed machining of rotary cylindrical components, including shafts, bushings and cylindrical housings. It also handles heavy workpieces like flanges, discs and wheel parts. Max Machining Range: Horizontal & vertical CNC lathes support various medium and large rotary workpieces.
Multi-Axis CNC Turning
Application: Perfect for intricate components that need turning plus secondary milling operations, finished within one clamping setup. Max Machining Range: Diameter: up to Ø400 mm Length: up to 800 mm
Mill-Turn Machining
Application: Combines turning and milling in one machine. Suitable for high-complexity parts with both rotary profiles and flat prismatic features. Max Machining Range: Diameter: up to Ø350 mm Length: up to 600 mm
Swiss-Type Turning
Application: Optimized for tiny, high-precision small-diameter parts, widely adopted for medical hardware, electronic connectors and aerospace miniature components. Max Machining Range: Diameter: typically up to Ø32 mm Length: up to 200 mm
Advantages of CNC Turning
CNC turning comes with multiple manufacturing merits, making it a great option for enterprises to manufacture high-precision rotary components with balanced speed and cost control.
Efficiency in Producing Symmetrical Parts
CNC turning efficiently fabricates symmetrical cylindrical components including shafts, pins and bushings. Automatic workpiece rotation enables continuous cutting with minimal manual intervention, accelerating mass production of uniformly shaped parts.
Cost-Effectiveness for Large Batches
Automated tool change and workpiece handling lower labor input and human errors. CNC lathes can operate continuously, delivering prominent cost advantages for medium and large batch production of rotary parts.
Precision and Consistent Quality
Taidexing CNC turning reaches tight tolerances down to ±0.008 mm. Stable dimensional accuracy is maintained throughout production to ensure all finished components comply with your drawing specifications.
Excellent Surface Performance
The turning process generates fine base surface texture. Combined with polishing, anodizing and other post-treatments, components can achieve ideal surface roughness for assembly and appearance requirements.
Wide Range of Machinable Materials
We carry out turning work on aluminum, stainless steel, brass, titanium and various engineering plastics. Custom cutting parameters are adopted for different materials to guarantee stable machining quality.
Flexible Production Support
We support prototype orders, small trial batches and mass production. Whether simple sleeves or complex mill-turn composite rotary parts, we can provide customized machining solutions based on your designs.
Materials Used in CNC Machining
Taidexing processes a full portfolio of industrial metals, engineering plastics and composite materials for precision CNC machining. Each material offers unique mechanical properties to fit demanding working conditions. Our engineers can recommend optimal material selection based on your product design and application scenarios.
Product Showcase
Die-cast product parts
Automated Non-Standard Parts
X-ray Intelligent Inspection Equipment Parts
CNC Turning Tolerances
TDX achieves high precision for rotary components via CNC turning. Our strict dimensional control satisfies automotive, automation, medical, electronics and other precision manufacturing sectors.
| Feature | Standard Tolerance | Tightest Tolerance |
| Linear Dimensions | ±0.02 mm to ±0.125 mm | ±0.005 mm |
| Rotational Symmetry | ±0.05 mm | ±0.003 mm |
| Diameter (turning operations) | ±0.015 mm | ±0.005 mm |
| Straightness | ±0.02 mm to ±0.08 mm | ±0.002 mm |
| Roundness | ±0.012 mm | ±0.0015 mm |
| Parallelism | ±0.015 mm | ±0.003 mm |
| Roughness | Ra 3.2 μm to Ra 1.6 μm | Ra 0.4 μm |
| Threading (External/Internal) | ±0.02 mm to ±0.1 mm | ±0.008 mm |
| Geometric Tolerances (ISO 2768) | Depends on part size and geometry | Custom per drawing |
Ultra-precision requirements require extra finishing operations. Please mark all tolerance standards clearly on your engineering drawings.
Industries Served by CNC Turning
Taidexing CNC turning delivers high-precision rotational parts with tight tolerances, excellent surface finish, and scalable workflows — from rapid prototyping to production volumes — across advanced engineering industries.
Aluminum Alloys
Stainless Steel
Carbon & Alloy Steel
Copper & Brass
Titanium Alloys
Engineering Plastics
High-temperature Alloys
Specialty Materials
Aluminum Alloys
Common Grades： 6061-T6, 7075-T6, 5052, 2024
Key Applications: Equipment housings, heat sinks, structural brackets, automation frames Benefits:
• Supports anodizing, sandblasting and various surface finishes
• Low density for lightweight structural designs
• Stable precision for prototype & mass production
Stainless Steel
Common Grades： 304, 316L, 17-4PH
Key Applications: Medical components, fluid valves, fixture parts, food-grade structures Benefits:
• Superior corrosion resistance
• Available for passivation, electro-polishing treatment
• Maintains stability under harsh working conditions
Carbon & Alloy Steel
Common Grades： 45# Steel, 4140 Alloy Steel, S136
Key Applications: Transmission shafts, gear parts, mold inserts, heavy-load fixtures Benefits:
• Supports quenching, tempering and other heat treatment
• Excellent tensile strength for heavy-load scenarios
Copper & Brass
Common Grades： C11000 Pure Copper, H59 Brass, C36000
Key Applications: Conductive terminals, heat conduction modules, threaded fittings Benefits:
• Excellent ductility and chip removal performance
• Plating and polishing available for enhanced surface performance
Titanium Alloys
Common Grades： Ti-6Al-4V
Key Applications: Medical equipment, aerospace components, precision marine parts
Benefits:
• Low density & high strength-to-weight ratio
• Outstanding resistance to chemical corrosion
Engineering Plastics
Common Grades： PEEK, POM, PA66, PTFE, PET
Key Applications: Insulation components, wear-resistant bushings, non-magnetic structural parts
Benefits:
• Light weight, corrosion-free and self-lubricating
• No surface rust, suitable for low-friction assembly
High-temperature Alloys
Common Grades： Inconel 718, Hastelloy
Key Applications: Energy equipment, high-temperature sensor structural parts
Benefits:
• Resists deformation and oxidation under extreme heat
• Reliable long service life under high-temperature working conditions
Specialty Materials
Common Options： Industrial Ceramic, Composite Materials
Key Applications: Semiconductor fixtures, special insulation components
Benefits:
• Customized processing for special working conditions
• Unique insulation, wear or high-temperature properties
Surface Finishing Options
Surface finish is vital for CNC-turned parts’ functionality and aesthetics. Different finishes, like smooth polish or rough texture, improve performance and durability. Common surface finishing options in CNC turning include descriptions and typical applications.
| Finishing Option | Process Description | Typical Applications / Benefits |
| Standard CNC Turning Finish | Basic turning process that leaves a smooth surface with some tool marks. | Ideal for parts that do not require a highly polished finish. Used for functional parts such as shafts, brackets, and bushings. |
| Polishing | A mechanical process using abrasive compounds to achieve a high-gloss finish. | Used in applications requiring aesthetic appeal, such as medical devices, decorative components, and consumer products. |
| Anodizing | An electrochemical process that increases the thickness of the natural oxide layer on the surface of aluminum. | Common in aerospace, automotive, and electronics for corrosion resistance, durability, and aesthetic appeal. |
| Electroplating | A process that uses an electric current to deposit a layer of metal (e.g., nickel, chrome) onto the part surface. | Often used for corrosion resistance, wear resistance, or appearance. Common in automotive and electronic industries. |
| Bead Blasting | A blasting process that uses fine beads to create a uniform matte or textured finish. | Frequently used in applications where a non-reflective finish is required, such as medical devices, aerospace components, and consumer products. |
| Sandblasting | A surface preparation technique using sand particles at high pressure to clean or texture a surface. | Ideal for creating rough textures on parts for better adhesion or appearance. Used in industries like automotive, furniture, and decorative metal works. |
| Heat Treatment | A process of heating and cooling metals to alter their physical properties. Can improve surface hardness. | Used for parts requiring increased hardness, strength, and wear resistance, such as gears, shafts, and cutting tools. |
| Coating (Powder Coating, PVD) | Application of a thin, protective coating to enhance durability and aesthetic properties. | Used to protect parts from corrosion and wear while providing a durable, high-quality finish. Common in automotive, electronics, and aerospace. |
ISO Certified Quality You Can Trust
We are committed to upholding the highest industry standards. To ensure quality and excellence, we have proactively obtained renowned certifications from trusted organizations.
Why Choose Taidexing
Taidexing is your reliable supplier for precision CNC turning. We integrate advanced lathe equipment, rigorous quality inspection and flexible order support for rotary machined parts.
Advanced CNC Turning Equipment
We adopt multi-axis CNC lathes to fabricate complex rotary workpieces. Services cover prototype and batch production, supporting turning, grooving, threading and compound machining.
Strict Precision & Concentricity Control
Taidexing CNC turning guarantees outstanding dimensional accuracy and concentricity. We comply with ISO 2768 standards and accept custom drawing tolerances to maintain consistent batch quality.
Wide Selection of Machinable Materials
We machine various raw materials with optimized cutting parameters. Metals: Aluminum, Stainless Steel, Brass, Titanium, Carbon Steel Plastics: PEEK, POM, Nylon, ABS, PTFE
Complete In-house Quality Inspection
All finished rotary parts are inspected with precision measuring tools. Every dimension is verified against drawings to effectively reduce defective rates.
Flexible Orders & Fast Lead Time
We support small prototype orders and medium mass production. Optimized production schedule shortens lead time to accelerate your product iteration.
One-stop Surface Finishing Service
We provide integrated post-processing: polishing, anodizing, sandblasting, passivation and laser marking, delivering finished parts ready for assembly.
CNC Turning Resources & Guide
Titanium CNC Machining Explained: Why It’s Difficult and How to Machine It Right
2026-07-15
Precision CNC Turning: Process, Applications, and Supplier Selection Guide
2026-07-15
2026-07-15
CNC Turned Aluminum Parts: What Engineers Should Check Before Production
2026-07-15
FAQs
What precision can you achieve for CNC turned rotary parts?
Our standard dimensional tolerance is ±0.125 mm. With fine turning, we can reach tight tolerance up to ±0.005 mm. Custom tolerance requirements marked on drawings are acceptable.
What kinds of parts fit CNC turning processing?
CNC turning is ideal for rotary components: shafts, sleeves, pins, studs, rollers, threaded fittings and spherical parts. Complex non-rotary profiles are recommended for CNC milling.
Can you provide surface finishing for turned parts?
Yes. We offer polishing, anodizing, sandblasting, passivation, coating and laser marking to meet anti-corrosion and appearance requirements.
Do you accept small prototype orders for CNC turning?
Yes. Taidexing supports single prototype, small-batch trial orders and medium-volume mass production.
What documents do I need to submit for quotation?
Please send 3D files (STEP/IGES preferred) and 2D drawings with tolerances. Attach material, quantity and surface treatment requirements for an accurate quotation.
How to Work With US
Upload Design
Submit your 3D drawings, processes, materials, quantities and other technical requirements.
DFM Analysis and Quotation
We will analyze the manufacturing feasibility based on your design and requirements and provide a report and quotation within hours.
Order Confirmation
Issue a purchase order or make a payment after DFM and quotation confirmation.
Parts Shipping
We will update you on the progress during the production and send it out after quality check, as soon as 3 days.
Contact Information
Email: liu.ji@cq-taidexing.com
Address: No. 2 Xishan Road, Biquan Subdistrict, Bishan District, Chongqing City
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