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Precision Steel Parts Manufacturing: A Comprehensive Guide to OEM CNC Machining

In today's fast-paced and technologically advanced world, the demand for precision and high-quality components is at an all-time high. One industry that has risen to meet this challenge is the OEM CNC machining steel parts factory. In this comprehensive guide, we will explore the ins and outs of this fascinating sector, delving into the processes, techniques, and applications of CNC machining for steel parts.

The Art of CNC Machining

CNC (Computer Numerical Control) machining is a manufacturing process in which pre-programmed computer software dictates the movement of factory tools and machinery. This highly automated method allows for the production of intricate and precise components that would otherwise be impossible or extremely time-consuming to create manually.

Why Steel?

Steel is a popular choice of material for CNC machining due to its strength, durability, and versatility. It can be easily machined into various shapes and sizes, making it suitable for a wide range of applications. Additionally, steel is an affordable option compared to other metals like aluminum and titanium, making it a cost-effective choice for many industries.

The OEM CNC Machining Steel Parts Factory Process

The process of CNC machining steel parts involves several stages, from design to production. Let's take a closer look at each step in the process.

Design and Prototyping

The first step in the process is designing the part using CAD (Computer-Aided Design) software. This allows engineers to create a digital 3D model of the component, which can be easily modified if necessary. Once the design is finalized, a prototype can be produced using CNC machines. This prototype serves as a physical representation of the final product, allowing for any necessary adjustments before mass production begins.

Material Selection

As mentioned earlier, steel is a popular choice for CNC machining due to its many advantages. However, there are several types of steel available, each with its own unique properties and applications. Some common types of steel used in CNC machining include:

Carbon Steel: Known for its high strength and durability, carbon steel is an excellent choice for structural components and general-purpose applications.

Stainless Steel: With its high corrosion resistance and excellent machinability, stainless steel is ideal for parts exposed to harsh environments or requiring a clean, polished finish.

Tool Steel: This type of steel is specifically designed for use in cutting, shaping, and forming other materials, making it perfect for manufacturing tools and dies.

Machining Techniques

There are various CNC machining techniques used in the production of steel parts, including:

Milling: This process involves the use of a rotating cutting tool, called a mill, to remove material from the workpiece. Milling can produce a variety of shapes and features, including slots, pockets, and contours.

Turning: In this process, the workpiece is rotated while a stationary cutting tool removes material, creating cylindrical or conical shapes. Turning is commonly used for producing shafts, rods, and other round components.

Drilling: Drilling involves the use of a rotating cutting tool, called a drill, to create holes in the workpiece. This process is often used in conjunction with other machining techniques to create features like threaded holes or recesses.

Grinding: This technique uses an abrasive wheel to remove material from the workpiece, resulting in a smooth, polished surface. Grinding is often used as a finishing operation to improve the appearance and dimensional accuracy of the part.

Quality Control and Inspection

To ensure the highest quality and accuracy of CNC machined steel parts, rigorous quality control and inspection processes are employed throughout the manufacturing process. This includes:

In-process inspection: During production, machinists and quality control personnel closely monitor the machining process to ensure that the part meets the specified tolerances and dimensions.

Final inspection: Once the part is complete, it undergoes a thorough inspection to verify that it meets all design requirements and specifications. This may involve the use of measuring instruments, such as calipers, micrometers, and coordinate measuring machines (CMMs), as well as visual inspection for surface finish and appearance.

Applications of CNC Machined Steel Parts

The versatility and precision of CNC machining make it an ideal choice for a wide range of industries and applications, including:

Automotive: CNC machined steel parts are used in various automotive components, such as engine blocks, transmission housings, and suspension systems.

Aerospace: The aerospace industry relies on CNC machining for the production of critical components like landing gear, engine mounts, and structural elements.

Medical: Precision CNC machined steel parts are essential in the manufacturing of surgical instruments, implants, and diagnostic equipment.

Energy: The oil and gas, renewable energy, and nuclear power industries all rely on CNC machined steel parts for components like valves, pumps, and turbine blades.

In summary, the OEM CNC machining steel parts factory plays a crucial role in the production of high-quality, precision components for a wide range of industries. By leveraging the latest technology and techniques, these factories can meet the ever-increasing demand for reliable, cost-effective, and innovative solutions. As the world continues to evolve and advance, there is no doubt that CNC machining will remain at the forefront of manufacturing excellence.

oem cnc machining steel parts factory

Asianstar: Professional CNC Machining Supplier

From year of 2005, Asianstar Company establish the CNC Machining Factory in Guangdong Province, China.
We mostly provide CNC Turning, Milling, Drilling, Grinding, and Multi Machining processes service on various materials.
With the Belief of becoming a key supplier in the supply-chain of Precision Components, we strictly control our product quality, keep high precision on our components production, buildup the whole-process QC System and submit the satisfaction for every order.
By long term development, we have buildup partnership with world-wide clients, supporting our partners in Designing, Optimizing, Producing and Testing on each type of components.


CNC Turning Service

CNC Turning Service

Our CNC Turning Service provides different sizes of roll shape work-pieces, the diameter range is from 0.5mm to 480mm, reaching tolerance +/-0.003mm.

CNC Milling Service

CNC Milling Service

Our milling machines and CNC centers are able to produce complicated structure part, five-axis devices produce multi-sides at one-time jag which bring high precision result

Sheet Metal Fabrication

Sheet Metal Fabrication

Our Sheet Metal Fabrication provides slicing, punching, bending, welding, painting and assembling for set products, unique tooling for each project to raise production efficiency

Aluminum Extrusion

Aluminum Extrusion

Our Aluminum Extrusion brings clients various shapes of aluminum parts, high efficiency for mass quantity, our precision extrusion mold control tolerance within 0.01mm

Forging Service

Forging Service

For some steel serious products, we apply Forging Service to make out their outer shape and them use CNC devices to start drilling, forming, rolling, cutting, etc.

Finishing Service

Finishing Service

Our Surface Finishing Service uses chemical or electro post-treatments after machining tasks are finished, normally includes Oxide, Anodizing, Passivation, E-Plating, Painting,etc.


CNC Brass Machining


CNC Machining Brass material is used for wide range components, we support clients to produce a variety of parts such as gears, locks, electronics, pipe fittings, etc.

CNC Copper Machining


CNC Machining Copper material is soft and easy to machining on different shape of components. We mostly produce copper components for electric devices by machining and stamping

CNC Aluminum Machining


CNC Machining Aluminum materials is one of our most used materials. We support clients to turning, drilling or milling on aluminum material from size 0.5mm to 470mm

CNC Stainless Steel Machining

Stainless Steel

CNC Machining Stainless Steel are common material for wide range components, we produce Stainless Steel turning parts, milling parts, high smoothness components, etc.

CNC Titanium Machining


CNC Machining Titanium material brings components superb features, we use titanium to produce high precision work-piece for clients from aircraft, aerospace, medical devices

CNC Plastic Machining


Our CNC Machining Plastic materials includes ABS, HDPE, LDPE, Nylon, POM, Peek, Polycarbonate, etc. We produce them in high precision and high smoothness.


Experienced Skills

Asianstar have long term experience in CNC machining service and built up skillful team servicing clients from designing to product

High Quality

Asianstar QC system controls the production following internal quality protocol, which make sure every procedure are working under quality demands

High Efficiency

Asianstar abundant facilities allows multiple machining process, we can support clients in rapid sampling/prototyping and quick order lead-time

Competitive Price

Asianstar has enough in-house facilities for all machining processes, so we can choose the best machining solutions to make the production cost lowest


  • Q1.Do you support ODM/OEM?

    Yes, we support ODM/OEM, we provide custom-made service for clients or even support clients on designing or improving

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