So you need a custom metal part. Maybe it's a prototype for a new product, a replacement for a broken component, or a precision piece for your latest project. You keep hearing terms like "CNC turning," "machining," and "precision service," but what does it all actually mean? And more importantly, how do you get exactly what you need without the headache?
CNC Machining 101: It's Not as Complicated as It Sounds
Think of CNC (Computer Numerical Control) machining as a super-precise robotic sculptor. You give it a digital blueprint (a CAD file), and it uses cutting tools to carve your part out of a solid block of metal or plastic. It's perfect for creating strong, functional parts with tight tolerances.
The two main types you'll hear about are:
- CNC Milling: A spinning cutting tool moves around a stationary block. Best for complex shapes, brackets, and parts with lots of features.
- CNC Turning: The block of material spins, and a stationary cutting tool shapes it. Ideal for anything round—shafts, bolts, spacers, and connectors.
Picking Your Metal: Aluminum vs. Stainless Steel
This is the classic choice. Each has its superpower.
Choose Aluminum (like 6061 or 7075) if:
- You need it light: Perfect for drones, robotics, and handheld devices.
- You need it fast: It machines quicker, which can mean lower cost.
- You want to anodize it: You can add any color (think vibrant blue, red, or gold) for looks and extra corrosion resistance.
Choose Stainless Steel (like 304 or 316) if:
- You need brute strength: It can take a beating and handle high stress.
- Corrosion is enemy #1: Essential for medical tools, food processing, and marine environments.
- You need a clean, professional look: Polished stainless just looks indestructible.
What Does "Precision Service" Really Mean?
We're talking about holding dimensions within ±0.005 inches (0.127 mm) or even tighter. That's thinner than a human hair.
Why does this matter?
- Parts fit together perfectly, without forced assembly or wobble.
- Your product performs reliably, every single time.
- You avoid costly rework and delays down the line.
| | 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.
