Dongguan Yexin Intelligent Technology Co., Ltd.
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CNC Mill Parts Aluminum Milling CNC Machining Anodized Custom 6061 CNC Milling
Machined Service Parts Components
Custom CNC machining is a widely adopted subtractive manufacturing technology renowned for its
excellence in crafting bespoke metal and plastic components tailored for both prototyping and
production needs.
By harnessing CAD (computer-aided design) modeling software in conjunction with G-code, CNC
milling and CNC turning machines proficiently remove material from solid workpieces with exceptional
precision and speed.
CNC machines are adept at producing durable parts characterized by stringent tolerances and a
diverse range of outstanding material properties, both mechanical and chemical in nature.
Our bespoke CNC machining service is ideally suited for singular projects and medium-volume
production runs, capitalizing on automation and a high degree of reproducibility.
Product Details
The cost of materials in CNC machining can fluctuate significantly due to the extensive array of
available options.
Each material carries its unique price tag, and the inherent physical properties of each material
play a substantial role in determining machining costs.
| Common Metal Materials for CNC Machining | |
| Metal Material | Properties |
| Aluminum | 2024: Good fatigue resistance and strength; excellent toughness at moderate to high strength levels; improved fracture toughness |
| 6061: Excellent machinability, low cost, and versatility | |
| 7075: High strength, hardness, low weight, and heat tolerance | |
| Stainless steel | Excellent machinability and outstanding uniformity; good workability and weldability, high ductility and formability |
| Steel Alloy | Mix of chromium, molybdenum, and manganese yields toughness, good torsional and fatigue strength |
| Brass | Versatile and highly attractive copper/zinc alloy with warm yellow color accommodates severe forming/drawing |
| Copper | High ductility and high electrical and thermal conductivity; develops attractive blue-green surface patina over time |
| Titanium | Excellent strength to weight ratio, used in aerospace, automotive, and medical industries |
| Steel Mild Low Carbon | High machinability and weldability, high stiffness; good mechanical properties, machinability, and weldability at low cost |
| Surface Finishes | ||
| Name | Applicable to | Machining marks |
| As machined | Metals, Plastics | Visible, light surface scratches |
| Smooth machining | ||
| Fine machining | Metals | Slightly visible |
| Polishing | Metals | Removed on primary surfaces |
| Bead blasting | Metals | Removed for non-cosmetic, removed on primary surfaces for cosmetic |
| Brushing | Metals | |
| Anodizing Type II | Aluminum | |
| Anodizing Type III | Aluminum | Visible under anodizing |
| Black oxide | Copper, Stainless steel, Alloy steel, Tool steel, Mild steel | Visible |
| Powder coating | Metals | Removed |
| Brushed + electropolishing | Stainless steel | Removed on Primary surfaces |
CNC Machining Applications
CNC machining is widely used throughout the aerospace, medical, automotive industries for its ability
to rapidly manufacture precise parts in production-grade materials.
Typical CNC parts, include:
1. Housings and enclosures
2. Brackets
3. Fixtures for manufacturing
4. Gears and bearings
5. Internal mechanical components
6. Medical instrumentation
Company Profile
How does CNC machining work?
CNC machining is a subtractive manufacturing process, meaning it achieves its final product by
removing material.
It involves tasks like drilling holes, creating slots and pathways, and shaping metal stock into different
forms with varying dimensions and designs.
Unlike additive manufacturing, which builds up materials layer by layer, CNC machining subtracts
material to create shapes.
It also differs from injection molding, where material is injected into a mold to form a specific shape.
CNC machining is highly versatile and compatible with a wide range of materials, including metals,
plastics, wood, glass, foam, and composites.
This versatility has made CNC machining a popular choice in various industries, offering efficient and
precise fabrication for designers and engineers.
How does CNC machining differ from conventional machining?
Conventional machining relies on skilled machinists who manually operate machines to shape or
remove metal based on provided engineering drawings or blueprints.
They use various tools such as wheels, dials, switches, cutting tools made of different materials like
hardened steel, carbide, and industrial diamond, and measuring instruments to ensure accurate
dimensions.
CNC machining serves the same purpose as conventional machining, including metal cutting, drilling,
milling, grinding, and more.
However, CNC machines differ significantly as they are computer numerically controlled, eliminating the
need for manual operation by machinists.
CNC machining is automated and follows instructions generated by programmers through code.
It maintains precision consistently from the first cut to the 500th and beyond.
This technology is widely used in digital manufacturing and is adaptable for modifications and
different materials.
CNC machining is known for its exceptional precision and has largely replaced conventional machining in
manufacturing, fabrication, and industrial production, although conventional machining is still used to
some extent.
It relies on mathematical coordinates, particularly Cartesian coordinates in multiple dimensions,
using axes and coordinates defined by engineers in digital product designs.
The computer reads these coordinates to automate cutting, drilling, and other operations according to
the product's digital design.