Dongguan Yexin Intelligent Technology Co., Ltd.
Precision in Every Part, Excellence in Every Detail
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OEM Custom Precision Metal Parts Milling Turning Service Brass CNC Machining
Service Copper CNC Machining Parts Stainless Steel Aluminum CNC Parts
CNC machining is a subtractive manufacturing process employed to produce parts by removing
material from a workpiece or stock material.
It utilizes preprogrammed software and codes to control the movement of the machine's
equipment. CNC machining encompasses various types of machinery, including milling
machines, lathes, grinders, and plasma-cutting machines.
Product Details
CNC machining encompasses a wide range of materials, with three main categories: plastics,
soft metals, and hard metals.
These materials are versatile and suitable for various machining applications.
Examples of materials used in CNC machining include aluminum, bronze, copper, ceramics,
plywood, various types of steel, stone, wood, and zinc, among others.
Certain materials, such as aluminum and mild steel, are favored by machinists due to their
ease of workability and excellent properties, making them industry standards for many applications.
| Common Materials for CNC Machining | |
| 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 | |
| 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 |
| 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 |
| Steel Mild Low Carbon | High machinability and weldability, high stiffness; good mechanical properties, machinability, and weldability at low cost |
| Titanium | Excellent strength to weight ratio, used in aerospace, automotive, and medical industries |
| ABS | Excellent impact resistance, good mechanical properties, susceptible to solvents |
| Nylon | Excellent mechanical properties, high toughness, poor moisture resistance |
| POM | High stiffness, excellent thermal & electrical properties, relatively brittle |
Post-processing and surface finishes for CNC machining
CNC-machined parts as they emerge from the machine often exhibit visible tool marks,
a feature that may not align with your specific part requirements.
Fortunately, there exists a multitude of post-processing techniques aimed at enhancing the
surface appearance and elevating attributes such as wear resistance, corrosion resistance,
and chemical resistance.
Methods like anodizing, bead blasting, and powder coating present viable options for refining
the final presentation of your custom parts, allowing you to achieve the desired surface
quality and performance characteristics.
| 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 |
Application of CNC Parts
CNC machining stands as a prevalent subtractive manufacturing method, with a vast array of
industries relying heavily on its capabilities.
Prominent sectors that extensively employ CNC machining encompass aerospace, automotive,
aviation, transportation, and various critical domains.
For instance, the aerospace industry demands the utmost precision in crafting airplane components
to guarantee flawless functionality and adherence to design specifications.
Company Profile
FAQ's
1. Benefits of CNC Machining
CNC machining, as a subtractive manufacturing method, offers numerous advantages for both
prototypes and production components.
1. Precision and Consistency
2. Strict Tolerances
3. Use of Production-Grade Materials
4. Rapid Turnaround for Parts in as Little as 1 Day
5. Cost Savings per Unit with Increased Quantities
6. Comprehensive Post-Processing for Enhanced Aesthetics and Material Characteristics
2. What are you shipping terms?
Our shipping terms are as follows:
1. Standard Orders: For rapid prototyping and regular production orders, our standard shipping
term is Ex Works (EXW).
Under EXW terms, once the goods leave our premises, the customer assumes responsibility for
shipping, customs clearance, and any associated fees.
2. Express Shipments: In the case of express shipments, we utilize Delivered Duty Unpaid (DDU)
terms.
With DDU terms, the client is responsible for paying any import duty or taxes when the goods arrive
at their designated destination.
These terms ensure clarity and transparency regarding shipping responsibilities and costs.
Please note that shipping terms may vary depending on the nature of your order and any specific
arrangements made during the ordering process.
It's essential to review and confirm shipping terms with us when placing your order to avoid any
misunderstandings.
3. What if I am not completely satisfied with the parts I receive?
Our commitment to your satisfaction is paramount. We stand behind the quality of our materials
and workmanship, adhering to the terms outlined in your initial order and the information you
have provided.
If, for any reason, you are not completely satisfied with the parts you receive, we have a
transparent process in place to address your concerns.
Our Guarantee Process:
1. Dispute Resolution: If you have any disputes or concerns regarding the quality of our products,
we encourage you to reach out to our management team.
2. Good Faith Resolution: Our management team will handle your concerns in good faith, with the
aim of providing you with a resolution that ensures your complete satisfaction.
3. Continuous Improvement: We are committed to ongoing improvement and value your feedback.
Your input helps us enhance our processes and services to better meet your expectations.
Our business thrives on earning your trust and confidence in our ability to not only meet but exceed
your reasonable expectations.
Your satisfaction is our priority, and we are dedicated to ensuring a positive experience with our
products and services.