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5-Axis CNC Machining Services
✓ 24-Hour Quotation After Complete File Review
✓ Prototypes and Low-Volume Orders Supported
✓ Tolerances as Tight as ±0.01 mm Where Design Allows
Why Choose Fengnuo for 5-Axis CNC Machining?
Prototype & Low-Volume Support
We support one-off prototypes and low-volume production, helping customers validate complex designs before moving to larger production runs.
Fewer Setups, Better Accuracy
By machining multiple sides in fewer setups, 5-axis CNC machining helps reduce repositioning errors and improve dimensional consistency.
Engineering Review Before Machining
Our engineers review geometry, material, tolerance, fixturing, and surface finish requirements before production to reduce machining risks.
CNC Milling Materials
CNC Milling Materials
Aluminum Alloy
Carbon steel
Copper
Titanium
Stainless Steel
Magnesium
POM
ABS
Nylon (PA)
Polycarbonate (PC)
HDPE/UHMWPE
PMMA (Acrylic)
PTFE (Teflon™)
PVC (Polyvinyl Chloride)
PEEK (Polyether Ether Ketone)
Aluminum Alloy
Aluminum alloys are lightweight, corrosion-resistant, and easy to machine, making them suitable for precision parts, enclosures, fixtures, and structural components. Common grades include 6061-T6, 7075-T6/T651, 2024-T351, 5052-H32, 5083-H111, and 6063-T5/T6.
Carbon steel
Steel offers high strength, durability, and wear resistance, making it suitable for structural parts, fixtures, shafts, gears, tooling, and other mechanical components. Common grades include 1018, 1045, 4140, 4340, A36, D2, and H13.
Copper
Copper provides excellent electrical and thermal conductivity, along with good corrosion resistance and formability, making it suitable for electrical components, heat sinks, connectors, electrodes, and precision parts. Common grades include C110, C101, C145, and C17200.
Titanium
Titanium offers an excellent strength-to-weight ratio, corrosion resistance, and biocompatibility, making it suitable for aerospace components, medical devices, automotive parts, and high-performance mechanical applications. Common grades include Grade 2, Grade 5 (Ti-6Al-4V), Grade 7, and Grade 9 (Ti-3Al-2.5V).
Stainless Steel
Stainless steel offers high strength, excellent corrosion resistance, and good durability, making it suitable for medical devices, food-processing equipment, industrial components, enclosures, and precision mechanical parts. Common grades include 303, 304, 316, and 17-4 PH.
Magnesium
Magnesium is a lightweight metal with excellent machinability and a high strength-to-weight ratio, making it ideal for CNC machining, rapid prototyping, and low-volume production of aerospace components, automotive parts, electronic housings, and precision lightweight components. Common grades include AZ31, AZ61, AZ80, and ZK60.
POM
POM offers high strength, low friction, excellent wear resistance, and good dimensional stability, making it suitable for CNC machining of gears, bushings, bearings, rollers, fixtures, and other precision plastic parts. Common grades include POM-H, POM-C, Delrin 150, and Delrin 500.
ABS
ABS is a cost-effective engineering plastic with good impact resistance, toughness, and machinability, making it suitable for CNC machining of functional prototypes, housings, covers, brackets, and low-volume production parts. Common grades include general-purpose ABS, flame-retardant ABS, electroplating-grade ABS, and ABS-ESD.
Nylon (PA)
Nylon offers high strength, good impact resistance, low friction, and excellent wear resistance, making it suitable for CNC machining of gears, bushings, rollers, bearings, structural components, and other durable precision plastic parts. Common grades include PA6, PA66, PA12, and glass-filled nylon.
Polycarbonate (PC)
Polycarbonate offers excellent impact resistance, optical clarity, dimensional stability, and heat resistance, making it suitable for CNC machining of protective covers, transparent housings, lenses, inspection windows, and functional prototypes. Common grades include clear PC, black PC, flame-retardant PC, and glass-filled PC.
HDPE/UHMWPE
HDPE and UHMWPE offer excellent chemical resistance, low moisture absorption, low friction, and good impact and wear resistance, making them suitable for CNC machining of wear strips, guide rails, liners, bearings, rollers, and other durable industrial plastic parts. Common grades include HDPE, PE500, PE1000, and antistatic UHMWPE.
PMMA (Acrylic)
PMMA offers excellent optical clarity, good surface finish, and dimensional stability, making it suitable for CNC machining of transparent covers, display panels, lenses, light guides, inspection windows, and custom prototypes. Common grades include clear acrylic, cast acrylic, extruded acrylic, and impact-modified acrylic.
PTFE (Teflon™)
PTFE offers exceptional chemical resistance, high-temperature performance, low friction, and excellent electrical insulation, making it suitable for CNC machining of seals, gaskets, insulators, valve components, bushings, and chemical-processing parts. Common grades include virgin PTFE, glass-filled PTFE, carbon-filled PTFE, and bronze-filled PTFE.
PVC (Polyvinyl Chloride)
PVC offers good chemical resistance, electrical insulation, flame-retardant properties, and cost-effective machinability, making it suitable for CNC machining of fluid-handling components, electrical insulators, equipment housings, valve parts, and chemical-processing components. Common grades include rigid PVC (PVC-U), CPVC, clear PVC, and flame-retardant PVC.
PEEK (Polyether Ether Ketone)
PEEK is a high-performance engineering plastic with excellent heat resistance, mechanical strength, chemical resistance, and dimensional stability, making it suitable for CNC machining of precision components used in aerospace, medical, semiconductor, oil and gas, and other demanding industrial applications. Common grades include unfilled PEEK, glass-filled PEEK, carbon-filled PEEK, and bearing-grade PEEK.
CNC Milling Surface Finishes
Nickel Plating
Adds corrosion and wear resistance with a smooth, metallic appearance, maintaining high dimensional accuracy for precision applications.
E-Coating (Electrophoretic Coating)
Electrostatically applied for even coverage, E-Coating provides excellent corrosion protection and consistent finishes across complex geometries.
Anodizing
Applied to aluminum parts, anodizing is one of the most widely used surface finishes for CNC milled parts, significantly increasing corrosion resistance, surface hardness, and overall durability. This process offers a wide range of color and texture options while maintaining tight machining tolerances, making it ideal for precision CNC machining applications in aerospace, electronics, medical devices, and industrial equipment.
Painted Finish
Spray painting and powder coating add color, corrosion protection, and a consistent appearance. Powder coating offers superior wear resistance and durability, making it ideal for production parts.
Sandblasting & Bead Blasting
Sandblasting uses abrasive particles to create a textured finish, while bead blasting applies fine glass beads for a smooth, uniform matte appearance. Both processes eliminate imperfections and prepare surfaces for coatings.
Sanding & Polishing
Removes tool marks and rough areas, delivering smooth, glossy surfaces while maintaining dimensional accuracy. Perfect for customer-facing parts and high-end prototypes.
As Machined Finish
Milled parts come directly from the machine with visible tool marks and a slightly rough surface. Ideal for functional prototypes or internal components where precision is critical, offering fast turnaround and cost savings.
CNC Milling Surface Finishes
Nickel Plating
Nickel Plating
E-Coating (Electrophoretic Coating)
E-Coating (Electrophoretic Coating)
Anodizing
Anodizing
Painted Finish
Painted Finish
Sandblasting & Bead Blasting
Sandblasting & Bead Blasting
Sanding & Polishing
Sanding & Polishing
As Machined Finish
As Machined Finish
Design Guidelines
Feature | Guideline |
|---|---|
Minimum Hole Diameter | ≥ 0.8 mm recommended; smaller holes can be reviewed case by case |
Minimum Slot Width | ≥ 1.0 mm recommended; narrow or deep slots require engineering review |
Minimum Wall Thickness | Metals: ≥ 0.8 mm; Plastics: ≥ 1.0–1.5 mm depending on geometry |
Internal Corners | Add internal radii whenever possible; larger radii allow stronger tools and better surface finish |
Deep Pockets | Keep pocket depth within 4× tool diameter where possible; use larger corner radii for better tool access |
Multi-Angle Features | 5-axis machining supports angled holes, curved surfaces, undercuts, and features on multiple sides |
Tight Tolerances | Apply tight tolerances only to critical features; ±0.01 mm is possible where design, material, and process allow |
Material Suggestions | Aluminum 6061/7075, Stainless Steel, Titanium, Brass, Copper, PEEK, POM, Nylon |
Need Precision Parts with Reliable Quality?
Send us your drawings and project requirements. Our team will review your project and provide manufacturing support with responsive communication.
Contact Us
WhatsApp：+86 18998063689
E-mail : jake@gdfengnuo.com
Add : Room 305-307 Building 3 Huakexinbochuang Park Dalingshan Town Dongguan City Guangdong Province
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