CNC Precision Machining


CNC Precision Machining Services


Ningbo Fuerd is a professional manufacturer specializing in high-precision CNC machining services in China. We support automotive, agricultural, medical, industrial automation, new energy equipment, and aerospace industries. With strict ±0.005 mm tolerance control and advanced multi-axis machining facilities, we deliver stable, high-accuracy custom machined parts for both rapid prototyping and high-volume mass production.

Comprehensive CNC Machining Capabilities

  • 3-axis, 4-axis, and simultaneous 5-axis CNC milling
  • CNC turning and mill-turn multi-tasking machining
  • Complex curved surface, deep cavity, and irregular part processing
  • High-speed spindles (up to 40,000 RPM) with automatic laser tool setting
  • Precision plate, hardware processing, and rapid prototyping
  • Integrated secondary precision finishing for cast blanks
Ningbo Fuerd CNC machining workshop

Advanced 5-Axis CNC Machining


Our Haas VMC 5-axis machining centers support full simultaneous linkage with dual A/B rotary axes and real-time online error compensation. Multi-angle surfaces, angled hole patterns, and complex deep cavities are completed in a single setup clamping—eliminating cumulative positioning errors from repeated clamping, reducing tool marks, and ensuring micron-level precision for mission-critical components.

Haas 5-axis CNC machining center
5-Axis Machining Center
Haas 4-axis pallet exchange machining center
4-Axis Pallet Exchange Center
High-speed precision CNC milling operation
High-Speed Precision Machining

Integrated Casting & Post-Machining Finishing


From Raw Cast Blanks to Direct Assembly

Casting workpieces commonly contain technical challenges such as uneven machining allowance, surface oxide layers, residual burrs, and casting deformation. Ningbo Fuerd provides fully integrated in-house manufacturing—covering low-pressure casting, gravity casting, and 6061 die-casting blanks.

By applying stress-relief pretreatment, specialized anti-vibration tooling, and customized cutting parameters on stable 4-axis and 5-axis setups, we correct original forming errors and turn raw casting blanks into high-precision, ready-to-assemble components.

  • Precision surface milling, contour correction, and finish boring
  • Multi-axis thread tapping, deep-hole drilling, and slotting
  • Complex curved-surface smoothing and thorough deburring
  • Trimming, parting line correction, and tolerance calibration
CNC precision machining on casting blank

Machinable Materials & Surface Finishing


Machinable Metal Materials

We process a wide range of engineering metals customized to part geometry, tolerances, batch volume, and demanding industrial environments:

  • Aluminum Alloys: 6061-T6, 7075, 5052, A356, A380, and casting alloys
  • Stainless Steel & Carbon Steel: 304, 316, 17-4PH, 1018, 1045, 4140
  • Brass & Copper: C3604, H59, H62, bronze
  • Titanium Alloys: Ti-6Al-4V (Grade 5) and commercial titanium

Complete Surface Finishing Services

We provide comprehensive secondary surface treatments to meet rigorous anti-corrosion, wear-resistance, and cosmetic requirements:

  • Anodizing: Hard, clear, or color anodizing to boost corrosion protection
  • Chrome Plating: Wear-resistant, ultra-hard, and mirror-like finishes
  • Zinc Plating: Cost-effective anti-rust protection for steel components
  • Custom Coatings: Electroless nickel plating, powder coating, and passivation

Quality Inspection, Testing & Export Delivery


Every component undergoes strict full-process quality assurance—from in-house blank preparation and multi-axis CNC machining to submerged pressure air-leak testing and 100% CMM dimensional inspection. High-standard custom protective packaging ensures finished parts arrive damage-free and ready for immediate production line assembly.

In-house tooling and casting blanks
In-House Tooling & Blanks
Finished CNC machined casting parts
Finished Machined Parts
Air leak testing for casting parts
Pressure Air Leak Testing
Zeiss CMM coordinate inspection of casting parts
Gravity Casting Part Inspection
Anti-collision protective packaging for CNC parts
Custom Protective Packaging
Finished batch export wooden crate packaging
Batch Export Wooden Delivery

CNC Machining FAQs


Q1. What machining tolerances can Ningbo Fuerd support?

Our standard precision capability reaches ±0.005 mm (or ±0.005”) depending on feature geometry, material selection, and process setups. Critical fits and dimensional features are verified using our online compensation systems and Zeiss CMM inspection.

Q2. Can you machine low-pressure and gravity casting blanks?

Yes. Casting post-machining is our core specialty. We handle uneven machining allowances, gate trimming, precision surface milling, coordinate boring, thread tapping, and deep cavity finishing for low-pressure, gravity, and die-casting aluminum/zinc blanks.

Q3. What information is required to get a prompt quotation?

Please provide a 2D drawing (PDF/DWG with tolerances) and 3D CAD model (STEP/IGS), order volume, material grade, required heat treatment, surface finish, and working environment conditions.

Q4. Do you support both prototyping and mass production?

Yes, we support flexible production schemes ranging from single prototype development and low-volume custom machining to automated, pallet-exchanged mass production orders.

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