Aerospace industry
CNC machining plays a critical role in the aerospace industry by delivering high-precision, lightweight, and reliable components for aircraft, satellites, UAVs, and space systems. With tight tolerances, aerospace-grade materials, and strict quality standards, CNC machining enables rapid prototyping and stable production of complex aerospace parts.
Overview:
Material: Aluminum alloy (6061, 7075, 7050), stainless steel (304, 316, 17-4PH), titanium alloy (Ti-6Al-4V), magnesium alloy, aerospace engineering plastics such as PEEK, PTFE, POM, Ultem, Nylon.
Application: Aircraft Structural Parts, Aerospace Brackets & Fittings, Engine Components, UAV & Drone Parts, Avionics Housings, Flight Control Components, Prototype & Qualification Parts.
Tolerance: ±0.05 mm ~ ±0.005 mm
MOQ: 1–500 PCs
Sample delivery: 2–5 days
Price: 30–500 USD/PCs
Why CNC Machining Is Essential for Aerospace Manufacturing
High Precision & Repeatability
CNC machining ensures dimensional accuracy down to ±0.005 mm, meeting the stringent requirements of aerospace parts.
Compatible with Aerospace-Grade Materials
Titanium, aluminum, stainless steel, Inconel, and engineering plastics like PEEK and PTFE meet high-temperature, high-strength needs.
Complex Geometries Achievable
5-axis machining allows production of aerodynamic profiles, turbine shapes, lightweight structures, and multi-surface components.
Superior Mechanical Performance
Machined parts support excellent strength-to-weight ratios, vibration resistance, and high fatigue resistance—critical for flight safety.
Aerospace Components Manufactured by CNC Machining
Structural Components
Brackets
Mounting blocks
Support arms
Frames
Engine & Propulsion Parts
Turbine housings
Impellers
Engine casings
Heat-resistant components（Inconel）
Interior & Cabin System Parts
Aluminum seat structures
Custom housings
Control panel components
Landing Gear & Mechanical Assemblies
Bushings
Shafts
Custom steel components
Avionics & Electronics Parts
Heat sinks
CNC-machined enclosures
Connector blocks
Drone & UAV Components
Lightweight aluminum parts
Carbon-fiber fixture interfaces
Camera mounts
Aerospace-Grade Materials for CNC Machining
Aluminum Alloys (6061-T6, 7075-T6, 2024)
Lightweight, high strength
Excellent machinability
Ideal for aircraft structural parts
Titanium Alloys (Ti-6Al-4V)
Exceptional strength-to-weight ratio
High corrosion & heat resistance
Used for engine, airframe, and critical load-bearing parts
Stainless Steel (304/316/17-4PH)
High durability and fatigue resistance
Suitable for mechanical assemblies and high-stress components
Inconel / Nickel Alloys
Extreme heat resistance
Suitable for turbine and propulsion parts
Engineering Plastics (PEEK, PTFE, PPSU)
Lightweight
Chemically and thermally resistant
Ideal for insulation, aerospace brackets, and covers
Materials for Aerospace Manufacturing
Metal cnc material type:
Aluminum
It features low density and a hard texture, yet the material itself is relatively pliable. Highly corrosion-resistant, it is widely utilized in the fields of aerospace, biomimetic skeletal structures, and automotive component manufacturing.
Color : Silver.
Types : Aluminum 6061、7075、2024、5052、6063 and MIC-6.
Surface finish : Polishing, Brushing, Sandblasting, Chrome Plating, Anodizing, Electroplating, Powder Coating, Laser Etching.
Delivery time : 1-5 days.
Stainless steel
Corrosion-resistant, smooth, and easy to clean, used in kitchen, medical, construction, and automotive parts.
Color : Silver.
Types : Stainless steel 304/316/201/202/430/444/410/420/440c/2205/2507/17-4ph/17-7ph.
Surface finish : Polishing, Brushing, Sandblasting, Electroplating, Spraying, PVD (Physical Vapor Deposition), Passivation, Pickling, Coloring.
Delivery time : 2-5 days.
Copper
Possesses electrical conductivity, tensile ductility, and antimicrobial properties, primarily used for processing into crafts, decorative items, and medical equipment.
Color :Orange,yellow.
Types : copper H59/H62/Hpb59-1/C36000/HAI77-2/HSN62-1/HPb/HMn/HAl/HSn/HNi.
Surface finish : Passivation, Electroplating, Chemical Plating, Shot Peening, Sandblasting, Chemical Film Treatment, Polishing, Bright Cleaning.
Delivery time : 1-5 days.
Bronze
Bronze is a corrosion-resistant copper alloy with good fluidity and varying color by composition. It’s used for parts like bearings, gears, and marine components.
Color : gold/brown.
Types : Tin bronze, aluminum bronze, beryllium bronze, silicon bronze, manganese bronze.
Surface finish : Sandblasting, polishing, knurling, grinding, passivation, chemical film coating, impregnation coloring, brush/spray coloring, electroplating, anodizing, powder coating, brushing.
Delivery time : 1-5 days.
Steel
Iron-based alloy with Cr, Ni, and Mn, offering adjustable properties via heat treatment. Used for bolts, shafts, gears, cutting tools, and engine components.
Color : Silver .
Types : Steel S20C,S45C,S50C,SK85,SK95,40Cr,4140,4130,H13,D2,W1,A2,D2,M2,SKD11,ASP-23,S136.
Surface finish :Sandblasting, Mirror Finish, PVD Coating, Brushed Finish, Spray Coating, Electroplating.
Delivery time : 1-5 days
Magnesium
Lightweight and possesses low hardness, excellent thermal conductivity, and causes minimal tool wear. Its strength surpasses that of aluminum alloys and steel, and its damping capacity—1.5 times that of aluminum—enables it to effectively absorb vibrations and noise. Suited for use in aerospace and automotive components.
Color : Silver.
Types : Magnesium alloy AZ91D/AM60B/AM50A/AS41B/ZK60/MB8/AZ31/WE43/ZE41/LA141/LZ91.
Surface finish : Chemical conversion coating, anodizing, nickel plating, electroplating, composite coating, spray painting, powder coating, electrophoretic coating.
Delivery time : 1-5 days.
Plastic cnc material type:
ABS
Color : Beige,black.
Types : General-purpose, flame-retardant, heat-resistant, high-impact-resistant, transparent (MBS), filled modified, alloyed, functionalized ABS.
Surface finish :Spray coating, electroplating, screen printing, laser engraving, hot stamping, vacuum coating, transfer printing, sandblasting.
Delivery time : 1-5 days.
PVC
PVC is a robust, dense material characterized by excellent tensile strength and moderate elongation. Due to its resistance to chemical corrosion and aging, it is an ideal choice for corrosive environments.
Color : White,Beige,black.
Types : Rigid PVC and Flexible PVC.
Surface finish : Painting and plating, polishing, sanding
Delivery time : 1-5 days.
POM
Color : white,black,blue,yellow,etc.
Types : POM-H, POM-C.
Surface finish : Polishing, sandblasting, chemical polishing, laser polishing, anodizing/painting.
Delivery time : 1-5 days.
PTFE
PTFE offers ultra-low friction, strong chemical resistance, and excellent insulation, ideal for seals, gaskets, and bushings.
Color : White, natural, black, filled or custom-colored.
Types : Virgin PTFE，Glass-filled PTFE，Carbon-filled PTFE，Bronze-filled PTFE，Modified PTFE
Surface finish : Machining finish, polishing, texturing, coating, engraving, anti-static treatment.
Delivery time : 1-5 days.
PMMA
Color : clear,white,black,colored.
Types : General-purpose / Impact-resistant / Heat-resistant / Pearlescent.
Surface finish : Polishing, enhanced coating, sandblasting for texture, printing for coloring, anti-scratch and anti-fingerprint treatments.
Delivery time : 1-5 days.
PC
High-performance thermoplastic with excellent toughness, rigidity, and insulation—lightweight and ideal for CNC-machined electronic components.
Color : white or black.
Types : General Machinable/Flame Retardant/Reinforced/Blended PC.
Surface finish : Polishing, Hardening, Spraying, Laser Engraving, Electroplating, Hot Stamping.
Delivery time : 1-5 days.
FR4
FR4 is a glass-fiber epoxy laminate with high strength, excellent insulation, and stable performance. It’s widely used for structural and insulating parts like spacers, brackets, and mounting plates.
Color : Yellow, green, black, white, natural
Types : Standard FR4 / High-Tg FR4 / Halogen-free FR4
Surface finish : Machining finish, polishing, sandblasting, coating, painting, laser marking
Delivery time : 1–5 days
PA
Color : Colored.
Types : PA6, PA66, PA6T, PA9T.
Surface finish :Mechanical grinding, acid/alkali etching, hydrolysis technology, coating.
Delivery time : 1-5 days.
PE
Color : black,white,colored.
Types : LDPE, HDPE, UHMWPE, PEX, PEX-A, PEX-B.
Surface finish :Polishing, sandblasting, coating, etching.
Delivery time : 1-5 days.
PEEK
PEEK is a high-strength, high-temperature engineering plastic with low friction and excellent chemical resistance. It is widely used in aerospace components, high-heat parts, and medical devices.
Color : Beige,black.
Types : CF-PEEK, GF-PEEK, PEEK with carbon black/ceramic/PTFE/graphite fillers.
Surface finish :Sandblasting, polishing, metal coating, polymer coating.
Delivery time : 1-5 days.
PP
PP is a semi-crystalline thermoplastic with good flow, requiring temperature control during CNC machining. It’s widely used for containers, connectors, and structural parts.
Color : black,white,colored.
Types : PP-H, PP-B, PP-R, HIPP.
Surface finish :Polishing, Sandblasting, Coating.
Delivery time : 1-5 days.
HDPE
Color : black,white.
Types : HI-HDPE, UV-HDPE, UHMWPE, Carbon Black-Filled HDPE.
Surface finish :Polishing, Sandblasting, Coating.
Delivery time : 1-5 days.
HIPS
HIPS is a rubber-modified thermoplastic with high impact resistance, easy processing, and low cost. It is widely used in housings, packaging, automotive interiors, and lightweight structural applications.
Color : black.
Types : Impact-resistant HIPS, Brominated flame-retardant HIPS, Glass-fiber reinforced HIPS.
Surface finish :Polishing ，Sandblasting ，Coating.
Delivery time : 1-5 days.
Surface finish for CNC machining parts
Over the past 15 years, we have selected and briefly outlined more than 10 surface finished for various precision machined parts.
Machined finish
The prototype processed by the machine tool retains traces of tool machining.
Anodizing
Polish
Sand blasting
Uses high-pressure abrasives to create a clean, rough, matte surface finish.
Brushed finish
Powder coating
Uses electrostatic and heat curing to form a dense layer, improving corrosion resistance on parts.
Electroplating finish
Deposits a metal layer to improve corrosion and wear resistance.
Black oxidize
Forms a low-cost, anti-reflective coating on metal surfaces via simple chemical oxidation.
Alodine
Forms a corrosion-resistant coating via chemical conversion, improving adhesion and conductivity.
Heat treatment
Aerospace CNC Machining Capabilities
5-Axis CNC Machining
Ideal for turbine blades, aerodynamic structures, and complex shapes
Minimize setups for higher precision
CNC Milling (3-axis / 4-axis)
Accurate, efficient production of aluminum and titanium components
CNC Turning & Turn-Mill Machining
Cylindrical parts: bushings, rings, shafts
Rapid Prototyping & Small Batch Production
Quick turnaround ideal for R&D and engineering testing
Full Inspection & Quality Control
CMM measurement
First Article Inspection (FAI)
Material certificate (EN10204 3.1)
FAQ of Aerospace industries
What tolerances do aerospace CNC parts require?
Typically ±0.005–0.02 mm, depending on part complexity and functional requirements.
Do aerospace CNC projects need special certifications?
Yes. Common documents include FAI, material certificates, and full inspection reports.
Can CNC machining handle titanium or Inconel for aerospace?
Yes. CNC machining is ideal for titanium, Inconel, 17-4PH, and other aerospace alloys.
Is CNC machining suitable for lightweight aerospace parts?
Yes. It supports thin walls, pocketing, and high-strength lightweight materials like 7075 and PEEK.
