Fenva Precision
Fenva Precision
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    • Home
    • Capabilities
      • CNC Milling
      • CNC Turning
      • Surface Treatments
      • Other Capabilities
    • Quality
      • Quality Assurance
      • Material Traceability
      • IP Protection
    • Industries
      • Robotics & Automation
      • Aerospace & Drones
      • Medical & Laboratory
      • Automotive & EV Component
      • Consumer Products
      • Industrial Machinery
    • Process
      • Ordering Process
      • Engineering Support
      • Materials Guide
    • About
      • About Fenva
      • Equipment
      • Facility
      • Locations
      • Gallery
Get a Quote
  • Home
  • Capabilities
    • CNC Milling
    • CNC Turning
    • Surface Treatments
    • Other Capabilities
  • Quality
    • Quality Assurance
    • Material Traceability
    • IP Protection
  • Industries
    • Robotics & Automation
    • Aerospace & Drones
    • Medical & Laboratory
    • Automotive & EV Component
    • Consumer Products
    • Industrial Machinery
  • Process
    • Ordering Process
    • Engineering Support
    • Materials Guide
  • About
    • About Fenva
    • Equipment
    • Facility
    • Locations
    • Gallery
Get a Quote
Precision Turned Parts from Prototype to Production

CNC Turning Service

Source custom parts with our CNC turning services. We offer no minimum order quantity, ISO 9001 & IATF 16949 certified quality, traceable materials, and confidential manufacturing. 

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Precision CNC turning of aluminum shaft on lathe – Fenva Precision China

What is CNC turning?

CNC turning is a machining process where a computer-controlled lathe rotates the workpiece while a cutting tool removes material to create precise round features - think of it as shaping a spinning part with a computer-guided cutting tool. 

Turning VS. Milling

CNC turning

CNC turning

  • Rotating workpiece, stationary cutting tool
  • Best for round and axis-symmetric parts
  • Faster material removal rate, lower unit cost

CNC milling

CNC turning

  • Stationary workpiece, rotating cutting tool
  • Best for complex and non-round geometries
  • Greater design flexibility


Milling + Turning

Milling + Turning

Combined CNC milling and turning for complex parts – Fenva Precision China

  • Turning performed first to quickly remove material and create the basic round geometry
  • Milling added afterward to machine flats, holes, and other complex features
  • Combines efficiency of turning with flexibility of milling for lower overall unit cost and shorter machining time

Explore CNC Milling

Swiss Turning

Swiss turning is designed for small-diameter, high-precision round parts. A guide bushing supports the material close to the cutting area, reducing deflection and ensuring excellent accuracy and repeatability, especially for long, slender components and large-volume production.


Suitable for: small-diameter shafts, pins, fasteners, medical and electronic components, and other high-volume precision round parts. 

Maximum part size for our machines

CNC Turning Center

Swiss Machining Center

Swiss Machining Center

Max. part diameter: 

 500 mm

Max. part length: 

 580 mm

Max. swing over the carriage:

 500 mm

Max. spindle through-hole: 

 Φ62 

View Our Equipment

Swiss Machining Center

Swiss Machining Center

Swiss Machining Center

Max. bar capacity:

  Ø32 mm / Ø42 mm
Max. turning diameter:

 Ø125 mm
Max. turning length:

 320 mm

Available materials for CNC turning

Custom CNC machined metal parts for high strength and tight tolerance applications

Metals

Metals are best suited for applications that require high strength, durability, heat resistance, tight tolerances, and long service life. 

Browse Metal Materials
CNC machining of lightweight plastic components for prototypes and small batch

Plastics

Plastics are suitable for applications that require lightweight components, corrosion resistance, electrical insulation, and cost efficiency 

Browse Plastic Materials
Batch-controlled CNC parts with full material traceability and quality documentation

Material Traceability

Fenva Precision is committed to full material traceability by sourcing raw materials exclusively from reputable and verifiable suppliers. All materials are documented and traceable throughout the production process, ensuring consistency, compliance, and confidence in part quality. 

View Traceability Process

CNC turning surface finishes

Improve your part’s performance by selecting high-quality surface finishes that enhance the roughness, hardness, chemical resistance and cosmetic features of your finished component. 

Explore Surface Finishes

We have high standards for CNC turning

Custom CNC machining in a controlled workshop for stable quality and repeatability

Fenva manufacture your custom parts according to strict manufacturing standards and ensure all parts and processes adhere to our ISO 9001 and IATF 16949 certified quality management systems. 


  • Multiple surface finishing options available to enhance function and appearance
  • 100% on-site inspection performed according to documented quality procedures
  • Inspection reports and quality documentation available upon request for full compliance and confidence

View Our Certifications
ISO 2768 CNC turning tolerance chart for precision custom parts

CNC turning tolerances

Fenva follow ISO 2768-m standards for CNC machining by default. Please clearly indicate any tighter tolerances required on your technical drawings. 

View Our Quality Process
CNC turning design guidelines for wall thickness, holes, and small features

CNC turning design guidelines

Check the recommended and technically feasible values for the most common features encountered in CNC machined parts.


See How We Optimize for Manufacturability

 

Our Commitment to IP Protection

 Fenva Precision treats your intellectual property with strict confidentiality. Customer drawings and technical data are securely managed and used only for manufacturing. NDAs are available upon request.

See How We Protect Your Designs

Collaboration Process and Timeline

RFQ & File Submission

Customers submit RFQs with technical drawings, 3D files, quantities, material, and surface treatment requirements. All files are handled under strict confidentiality. 

Quotation & Lead Time Confirmation (1 day)

A detailed quotation is issued, including pricing, lead time, material specification, and inspection standards. Any assumptions or clarifications are clearly stated. 

Engineering Review (1-3 days)

Our engineering team reviews manufacturability, tolerances, materials, and critical features. Where needed, we provide design-for-manufacturing (DFM) feedback to optimize cost, lead time, and quality. 

Order Confirmation & Production Planning (2-5 days)

Upon order confirmation, materials are sourced from verified suppliers with full traceability, and production is scheduled according to the approved specifications. 

Manufacturing & In-Process Inspection (2-60 days)

Parts are machined using appropriate 3-axis, 4-axis, 5-axis, or 3+2 processes. In-process inspections are performed to ensure dimensional and process compliance. 

Final Inspection & Quality Documentation (1 day)

Finished parts undergo final inspection based on drawing requirements. Inspection reports and additional quality documentation are available upon request. 

Packaging & Delivery

Parts are securely packaged and shipped according to agreed logistics terms, ensuring safe delivery and part integrity. 

Post-Delivery Support

Fenva provides ongoing support for feedback, repeat orders, design updates, and long-term production collaboration. 

Learn About the Ordering Process

Ready to start your CNC turning project?

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