CNC Machining: An Overview
CNC stands for Computer Numerical Control, a manufacturing process that uses computerized controls and tools to precisely remove layers of material from an existing stock piece (the blank) to create a fully custom-designed component.
CNC machining is highly versatile and capable of working with various materials, including metals, plastics, woods, glass, foam, and composites. This flexibility makes it one of the most widely used manufacturing processes, including at KingStar Mold. Industries like telecommunications particularly benefit from CNC machining due to the high tolerances it provides compared to other methods.
Four Stages of CNC Machining
Model Design
This is the initial stock model upon which the product will be designed. Typically created using CAD (Computer-Aided Design) software, this digital model provides the foundation for the manufacturing process. The design instructions are then fed into the manufacturing line.
Conversion
In this stage, the computer-aided design (CAD) is converted into machine-readable code, allowing the CNC machine to accurately produce the custom-designed part based on the provided specifications.
Machine Preparation
Before the CNC program can be executed, the machine must be properly prepared. This includes installing the necessary components, such as spindles, drill bits, and end mills, and ensuring all accessories are in place for optimal performance.
Execution
With everything set, the machine executes the program, using the tools to precisely manufacture the product in accordance with the design specifications fed into the system.
CNC Machining Service From Your Reliable Injection Molding Company
Precision CNC Machining for Plastic and Metal Components
At KingStar Mold, we provide tailored CNC machining solutions designed to meet the unique needs of your project. Our expertise includes 3, 4, and 5-axis CNC machining, CNC turning, and high-precision machining, working with a wide variety of materials such as engineering-grade plastics, aluminum, stainless steel, bronze, and titanium. We can handle parts up to 80″ x 48″ x 24″ and deliver tight tolerances as small as 0.005″ for even the most intricate designs.
Metals
Plastics
Composites
Advantages of KingStar Mold’s CNC Machining
Rapid Turnaround
We begin work on orders as soon as they arrive. Using the latest technologies and state-of-the-art machines, we can produce high-quality products and parts within the first 24 hours after receiving client approval.
Custom Finishes
We meticulously follow client specifications to produce parts with flawless precision. Whether crafting parts from solid metal or plastic, we ensure every detail is exactly as requested, with no room for error.
Scalability
Scalability is one of our core strengths. We can scale any part to the size you require without compromising on quality or functionality. Simply provide the instructions, and we’ll deliver on time.
Material Selection
We use only the finest raw materials, ensuring that every product that leaves our assembly line is durable, strong, and of the highest quality. Certified materials are at the heart of our manufacturing processes, ensuring reliability and longevity.
Precision Engineering
Our CNC machining services are built on precision engineering, ensuring every part is manufactured to exact specifications. With our advanced equipment, we achieve tight tolerances and deliver components with unmatched accuracy.
Cost Efficiency
We offer competitive pricing without sacrificing quality. By optimizing the machining process and minimizing waste, we provide cost-effective solutions that meet your budget while maintaining high standards of craftsmanship.
CNC Machining Tolerances and Capabilities
At KingStar Mold, we provide CNC milling and turning services with impressive tolerance levels of ±0.001″ for metals and ±0.002″ for plastics and composites. For projects that require even stricter tolerances, we are capable of meeting those specifications as well.
Our advanced CNC milling machines are capable of producing large parts up to 80″ x 48″ x 24″, while our precision lathes can handle parts up to 60″ in length and 32″ in diameter. We also specialize in machining standard thread sizes, tapped holes, and custom thread configurations. With our in-house post-processing and finishing capabilities, we ensure a seamless process that takes your part from concept to completion with precision and efficiency.
Our Satisfied Clients
Materials that Could Be Used in CNC Machining
CNC machining is a highly versatile process capable of working with a broad range of materials, making it ideal for producing complex, precise parts across various industries. Materials can be classified into metals, plastics, composites, and others, each offering unique properties for different applications. Metals such as aluminum, stainless steel, titanium, and brass are commonly used for their strength and durability, while plastics like POM, acrylic, and nylon provide flexibility and lightweight solutions. Composites combine multiple materials to achieve enhanced performance characteristics, and other materials like ceramics can also be machined for specialized uses. CNC machining ensures that these materials are shaped, cut, and milled to exact specifications, meeting tight tolerances for any project.
Comparison Between Different CNC Machining Materials
| Material | Density (g/cm³) | Yield Strength (MPa) | Hardness (HB) | Machinability | Tensile Strength (MPa) | Applications |
|---|---|---|---|---|---|---|
| Aluminum 6061 | 2.70 | 275 | 95 | High | 310 | Aerospace, automotive, structural components |
| Stainless Steel 304 | 7.93 | 215 | 150 | Medium | 520 | Food processing, medical devices, marine equipment |
| Titanium Ti-6Al-4V | 4.43 | 880 | 330 | Low | 900 | Aerospace, medical implants, high-performance parts |
| Brass (C36000) | 8.49 | 150 | 65 | High | 345 | Plumbing, electrical connectors, decorative parts |
| Carbon Steel (1045) | 7.85 | 350 | 120 | Medium | 570 | Machinery parts, shafts, automotive components |
| POM (Acetal) | 1.41 | 55 | 70 | High | 65 | Precision gears, bearings, automotive parts |
| Nylon 6 | 1.15 | 50 | 80 | Medium | 75 | Mechanical parts, automotive, electrical insulation |
| Aluminum 2024 | 2.78 | 325 | 120 | High | 470 | Aircraft structures, military, aerospace components |
| Copper (C11000) | 8.92 | 70 | 40 | Medium | 210 | Electrical wiring, heat exchangers, electronics |
| Acrylic (PMMA) | 1.19 | 90 | 20 | High | 70 | Optical lenses, signage, automotive lighting |
| Magnesium AZ31 | 1.78 | 150 | 60 | Medium | 230 | Aerospace, automotive, military, electronics |
| Tool Steel (A2) | 7.85 | 450 | 450 | Low | 780 | Cutting tools, dies, molds |
Available Surface Treatment Choice For You
Anodizing
Hotstamping
Laser Engraving
Pad Printing
Sand Blasting
Electroplating
Spraying
PVD
CNC Machining Applications
CNC machining has a wide range of applications in both commercial and domestic settings. Some of the key applications include:
Injection Mold Building
This process involves using an insert to shape an object by injecting molten material into it while it’s still hot. Once the material solidifies, the final product is formed. Injection molding is commonly used for producing automotive parts, storage containers, furniture, and mechanical parts for machines, among many other products.
Rapid Prototyping
Prototyping is the creation of experimental models to solve specific problems. Traditionally time-consuming, rapid prototyping is now possible thanks to advanced technologies and machines. This process is widely applied in creating car parts and home appliance components in large quantities.
Surface Finishing
CNC machining is also used to enhance the appearance of a product by transforming a flat surface into a smooth, polished finish. This is particularly useful in industries such as automotive, home appliances, and other consumer products where aesthetics are important.
Yes, we specialize in producing custom parts based on your specific designs and requirements, whether it’s for prototypes or high-volume production.
We serve industries such as automotive, medical, electronics, aerospace, and consumer goods, providing precision parts for a variety of applications.
Our CNC machining services offer tolerances as tight as ±0.001″ for metals and ±0.002″ for plastics and composites, with the ability to achieve even tighter tolerances if required.
We provide CNC milling, CNC turning, and precision machining services with high tolerances for both metal and plastic components.
We can machine a variety of materials, including aluminum, stainless steel, titanium, plastics like ABS, POM, and PMMA, and more, to meet your specific requirements.
CNC machining is a manufacturing process where a computer controls machine tools to precisely cut, shape, and finish materials, including metals, plastics, and composites.
You can request a quote by providing your project details, including material, design specifications, and quantity, through our website or by contacting our sales team directly.
Yes, we have the capabilities and expertise to handle even the most complex CNC machining projects, including intricate designs and tight tolerances.
Yes, at KingStar Mold, we provide CNC machining for both low-volume and high-volume production runs, catering to small batches as well as large-scale manufacturing.
We conduct rigorous quality control checks at every stage, from design to production, to ensure each part meets the required specifications and tolerances.
We can machine parts up to 80″ x 48″ x 24″ in size using our CNC milling machines, and parts up to 60″ in length and 32″ in diameter using our CNC lathes.
Lead times depend on the complexity and quantity of the parts. Typically, we deliver parts within 2 to 6 weeks after design approval.
