Dongguan Yexin Intelligent Technology Co., Ltd.
Precision in Every Part, Excellence in Every Detail
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Custom CNC Machining Parts Components Suppliers Parts CNC Precision Machining Parts
CNC machining, which stands for Computer Numerical Control machining, involves the automated
removal of material from raw stock based on computer-generated instructions.
This versatile process can be applied to nearly any material, ranging from expanded polyurethane
foam to nickel superalloys. Common applications of CNC machining include the fabrication of parts
for various industries, ornamental furniture, and the production of turbine blades.
The cost associated with CNC machining is heavily influenced by factors such as required precision,
surface quality, quantity, material composition, and the overall complexity of the part.
Product Details
CNC machining materials are generally grouped into three primary categories: plastics, soft metals,
and hard metals. This classification includes materials such as aluminum, bronze, copper, ceramics,
plywood, steel, stone, wood, zinc, and various others.
Preference is often given to materials that are considered easy to work with and possess
advantageous properties compared to alternative options.
| 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 | |
| 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 |
| Titanium | Excellent strength to weight ratio, used in aerospace, automotive, and medical industries |
| Copper | High ductility and high electrical and thermal conductivity; develops attractive blue-green surface patina over time |
| 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 |
CNC Machining Tolerances
Tolerances are not standardized across all processes and materials.
The final tolerances on your part depend on various factors, such as part size, design complexity,
the number and size of features, materials used, surface finish, and the manufacturing process
employed.
Once your order is confirmed, we conduct a Design for Manufacturing review to identify areas that
may need modification for better manufacturability.
It's helpful if you can specify which areas in your design have critical tolerances that must be met
and which can be adjusted, if necessary, to optimize production time and cost.
| CNC Milling Tolerances | ||
| Limits for nominal size | Plastics | Metals |
| 0.5mm* to 3mm | ±0.1mm | ±0.05mm |
| Over 3mm to 6mm | ±0.1mm | ±0.05mm |
| Over 6mm to 30mm | ±0.2mm | ±0.10mm |
| Over 30mm to 120mm | ±0.3mm | ±0.15mm |
| Over 120mm to 400mm | ±0.5mm | ±0.20mm |
| Over 400mm to 1000mm | ±0.8mm | ±0.30mm |
| Over 1000mm to 2000mm | ±1.2mm | ±0.50mm |
| Over 2000mm to 4000mm | ±2.0mm | |
| *Please clearly indicate tolerances for nominal sizes, below 0.5mm on your technical drawing. | ||
Specialist industries
The applications of CNC machining are virtually limitless, offering a myriad of possibilities across
various industries. One notable application is in the woodworking sector, where CNC machines
streamline the production of wooden furniture, saving time and reducing costs.
Complex geometries that would traditionally require a skilled woodworker can now be achieved
efficiently through CNC machining. In lettering and engraving systems, CNC technology is utilized
for marking patterns or text onto surfaces, serving both artistic and serialized part needs.
The electrical industry benefits from CNC machining for tasks such as creating component mounting
holes in printed circuit boards and machining heat sinks for heat-generating electrical components.
Precision equipment for the pharmaceutical industry, including metering pumps, ingredient-dispensing
nozzles, and packaging components, is also manufactured using CNC machines.
Even in the fast-moving consumer goods sector, CNC machining plays a vital role in producing custom
material-handling machinery for the food and beverage industry, as well as contributing to the
fabrication of injection-molded plastic molds used in food packaging.
Company Profile
FAQ's
1. Quality Assurance
Customer trust is a cornerstone of our values, and we are dedicated to upholding it through
the implementation of established quality management principles. Our focus is on enhancing
customer satisfaction and perpetually improving our performance and capabilities.
With a wealth of experience spanning decades, we have consistently met stringent regulations
and maintained PPAP compliance, particularly in the automotive, aerospace, and medical device
industries. These industries serve as benchmarks for the high standards we apply to all the
products we manufacture.
2. What industries do you typically work in? Who are your typical customers?
Virtually no industry is unfamiliar to us! Our customers hail from various sectors, encompassing
heavy equipment manufacturing, general commercial enterprises, and entities in industrial,
transportation, medical, and consumer realms, among others.
While our clientele spans the globe, reaching the United States, Europe, and beyond, they all share
a common need for impeccably machined parts, adhering to specifications, delivered promptly,
and meeting budgetary considerations.
3. How does compare to other suppliers on price?
Unlike Chinese suppliers who often compete on price, We chooses a different approach. While our
prices may not be the lowest, we prioritize delivering the highest levels of quality, rapid response,
and professional results, setting us apart in the market.