Let's talk about the unsung heroes of modern manufacturing - precision CNC machined parts. Whether you're building drones, medical devices, or high-performance engines, understanding CNC machining for aluminum and stainless steel can make or break your project.


Why CNC Machining?
CNC (Computer Numerical Control) machining is like having a robotic master craftsman that never gets tired. Here's why it dominates precision part manufacturing:
✔ Accuracy to 0.005mm - That's about 1/5 the width of human hair
✔ Repeatability - First part to thousandth part identical
✔ Material flexibility - From soft aluminum to tough stainless steel
✔ Complex geometries - No design too intricate
Real-World Applications You'd Recognize
- Aerospace: Aircraft fittings, drone components
- Medical: Surgical instruments, implant housings
- Automotive: Fuel injectors, turbocharger parts
- Robotics: Joints, actuators, sensor mounts
Aluminum vs. Stainless Steel: Choosing Your Fighter
1.Aluminum CNC Parts
Best when you need:
- Lightweight components (about 1/3 the weight of steel)
- Excellent heat dissipation
- Good strength-to-weight ratio
- Easier machining (faster, cheaper)
Popular Grades:
- 6061: General purpose, good weldability
- 7075: Aerospace-grade, super strong
- 2024: High fatigue resistance
2.Stainless Steel CNC Parts
Best when you need:
- Corrosion resistance (perfect for medical/marine use)
- Extreme durability
- High temperature performance
- That premium metallic look
Popular Grades:
- 304: Most common, food-safe
- 316: Medical/surgical grade
- 17-4 PH: Heat-treatable, ultra-strong
CNC Lathe Parts: The Round Stuff
When your design involves cylinders, discs, or anything rotational, CNC lathes shine:
✔ Faster production than milling for symmetrical parts
✔ Better surface finish on curved surfaces
✔ Tighter tolerances for diameters
Typical Lathe Parts:
- Shafts and bushings
- Nozzles and fittings
- Fasteners and connectors
- Pulleys and gears
Surface Finishes That Add Value
Bare machined parts often need extra love:
- Bead blasting: Uniform matte finish
- Anodizing (aluminum): Color + protection
- Electropolishing (stainless): Mirror finish
- Powder coating: Durable color options
Surface Finishes That Add Value
Bare machined parts often need extra love:
- Bead blasting: Uniform matte finish
- Anodizing (aluminum): Color + protection
- Electropolishing (stainless): Mirror finish
- Powder coating: Durable color options
Final Thought
Precision CNC machining is like having a superpower for turning ideas into reality. Whether you need one prototype or 10,000 production parts, understanding the process helps you get better results faster.
| CNC Turning, CNC Milling, Laser Cutting, Bending, Spining, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding,3D Printing,Rapid Prototype,Moulds etc. |
| Aluminum: 2000 series, 6000 series, 7075, 5052, etc. |
Stainlesss steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc. |
Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc. |
Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper |
Titanium: Grade F1-F5 |
Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. |
| Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickl/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc. |
| ±0.002 ~ ±0.005mm |
| Min Ra 0.1~3.2 |
CERTIFICATE | ISO9001:2015,AS9100D,ISO13485:2016,ISO45001:2018,IATF16949:2016,ISO14001:2015,ROSH,CE etc. |





FAQ
1. Are you a manufacturer or a trading company?
We are a factory located in Shenzhen, China, with 20 years of rich experience,
covering 6000 square meters. Complete facilities, including 3D quality inspection equipment, ERP system and 40 machines. If necessary, we can provide you with material certificates, sample quality inspection and other reports.
2. How to get a quote?
Detailed drawings (PDF/STEP/IGS/DWG...), including quality, delivery date, materials, quality, quantity, surface treatment and other information.
3. Can I get a quotation without drawings?
Can your engineering team draw for my creativity? Of course, we are also glad to receive your samples, pictures or detailed size drafts for accurate quotation.
4. Can you provide samples before mass production?
Of course, the sample fee is necessary. If possible, it will be returned during mass production.
5. What is the delivery date?
Generally, the sample lasts for 1-2 weeks and the batch production lasts for 3-4 weeks.
6. How do you control quality?
(1) Material Inspection - Check material surfaces and approximate dimensions.
(2) First inspection of production - ensure
critical dimensions in mass production.
(3) Sampling inspection - check the quality before delivery to the warehouse.
(4) Preshipment inspection - 100% inspection by QC assistant before shipment.
7. After sales service team
If you have any problems after receiving the product, you can provide feedback through voice call, video conference, email, etc. within one month. Our team will provide you with solutions within a week.