Custom CNC Parts Anodized Turning Milling Parts Aluminium CNC Parts
CNC machining, standing for Computer Numerical Control machining, is a subtractive
manufacturing process utilized to fabricate parts by selectively removing material from a workpiece
or workpiece stock.
Precise control over the machine's movements is achieved through preprogrammed software and
codes. The scope of CNC machining encompasses various machinery types, including turning mills,
lathes, grinders, and plasma-cutting machines.
Product Details
| 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
1. Aerospace: Precision and reliability are non-negotiable in aerospace applications.
CNC machining is crucial for producing intricate and accurate components for aircraft and
spacecraft, meeting the demanding standards of the industry.
2. Automotive: The automotive sector relies heavily on CNC machining for the fabrication
of precision parts, contributing to the efficiency, performance, and safety of vehicles.
3. Aviation: Similar to aerospace, the aviation industry benefits from CNC machining's precision
in crafting components that adhere to strict quality and safety regulations for optimal aircraft
performance.
4. Transportation: Beyond air and land, the transportation industry, encompassing rail and
maritime sectors, integrates CNC machining for the production of robust and precise components
that endure challenging operational conditions.
These industries showcase the versatility of CNC machining, where its capabilities are harnessed to
meet the stringent demands of manufacturing in sectors where precision, durability, and quality are
of utmost importance.
Company Profile
FAQ's
1. How much do CNC machining materials cost?
There are a ton of materials available for CNC machining, which means the cost varies quite a
bit between materials. Every material comes with a different price tag, and the physical properties
of each material influences the overall cost of machining.
Aluminum 6061 is the most economical option if you’re opting to produce metal parts.
ABS is the cheapest option. And in terms of how ease of machining affects the cost, stainless
steel is a good example. It’s much harder than aluminum and therefore more difficult to machine,
increasing the total cost.
2. What are your tolerances for machined parts?
For machined parts, our tolerances typically adhere to +.005”/- .005” local tolerances across most
metal geometries and +/- 0.010" for plastics. It's important to note that these tolerances may vary
for large parts, especially concerning flatness after heat treatment.
For an "As Milled" finish, a minimum surface finish of 125 is maintained for CNC parts.
Fabricated parts come with a 0.010” dimensional tolerance and a 1° angular tolerance.
Tapped holes not explicitly designated as features in the CAD model may be machined to the
diameters specified.
Additionally, no surface treatments, such as anodizing, bead blasting, iriditing, powder coating, etc.,
will be applied unless expressly paid for and acknowledged.
3. How does you ensure the quality of my parts?
Upon confirmation of your order, a comprehensive Design for Manufacturing (DFM) review is
conducted to identify any potential issues that could impact the quality of your parts.
All incoming materials undergo thorough inspection and verification using a suite of testing equipment.
Final inspection reports are generated before shipment. Additionally, we offer real-time sharing of
inspection data, fostering collaboration to address any quality concerns that may arise during production.
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