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Address: Hengjiao Industry Zone, Hengjiao Village, Shijie Town, Dongguan, Guangdong, China
Contact name:Hafrey
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6061 Aluminum CNC Lathe Turning Parts Custom Aluminum Material Anodizing
Parts CNC Machining Service Parts Suppliers
CNC machining offers excellent accuracy and repeatability.
Both milling and turning can produce parts with very tight tolerances, which makes CNC ideal for
high-end applications such as in the aerospace, aviation and automotive industries.
Most materials used in CNC machining have excellent and fully-isotropic physical properties and
are suitable for most engineering applications.
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
Advantages of CNC Machining
CNC machining, a subtractive manufacturing process, offers numerous
advantages for both
prototypes and production components.
1. Precision and Consistency
2. Tight Tolerances
3. High-Quality Materials
4. Rapid Turnaround, as quick as 1 day
5. Cost-Efficiency at Larger Quantities
6. Extensive Post-Processing Options for Enhanced Aesthetics and
Material Properties
How Can I Lower the Cost of My Machined Components?
Costs associated with CNC machining can be categorized into
machining time, start-up expenses,
material expenditures, and feature-related costs. To effectively reduce overall costs, it is essential
to comprehend the influence of these factors on the final expense.
1. One of the most effective means to minimize machining time is through the strategic design of
features that can be machined swiftly.
This entails making choices such as opting for appropriate radii for internal corners, reducing cavity
depth, increasing wall thicknesses, limiting thread lengths, and designing holes with standard
dimensions.
2. To curb material costs, thoughtful consideration should be given to the size of the initial blank
required and the cost-effectiveness and machinability of the base material. Softer alloys, for instance,
tend to be faster to machine.
3. Start-up costs can be mitigated by minimizing the number of part rotations or repositioning steps
needed to complete the component.
This can be achieved by dividing complex geometries into multiple parts that can be subsequently
assembled.
4. In terms of feature costs, it is prudent to employ tolerances only when absolutely necessary,
eliminate all text and lettering, and steer clear of multiple surface finishes whenever possible.
These measures collectively contribute to cost reduction in CNC machining projects.
