• ascnc@asianstarcnc.com

Mastering the Art of CNC Plastic Machining: A Comprehensive Guide for Suppliers

The world of manufacturing has come a long way since the days of manual labor and assembly lines. One of the most significant advancements in recent years has been the widespread adoption of Computer Numerical Control (CNC) technology. CNC machines have revolutionized the way we produce parts and components, offering unparalleled precision, speed, and efficiency. In this comprehensive guide, we will explore the ins and outs of CNC plastic machining and provide valuable insights for suppliers looking to improve their operations and stay ahead of the competition.

The Basics of CNC Plastic Machining

CNC plastic machining is a process that involves the use of computer-controlled machines to shape and manipulate plastic materials. These machines are programmed to follow a specific set of instructions, allowing them to create intricate and complex parts with minimal human intervention. This technology has proven particularly useful for manufacturing industries, as it allows for the production of high-quality, consistent components at a fraction of the time and cost associated with traditional methods.

Types of CNC Plastic Machining Processes

There are several different types of CNC plastic machining processes, each with its own unique set of advantages and applications. Some of the most common processes include:

1. CNC Milling:This process involves the use of a rotating cutting tool to remove material from a plastic workpiece. The cutting tool moves in multiple directions, allowing for the creation of complex shapes and features.

2. CNC Turning:In this process, the plastic workpiece is rotated while a stationary cutting tool removes material. This is ideal for creating cylindrical or round parts, such as gears, shafts, and bushings.

3. CNC Routing:This process is similar to milling but is typically used for larger workpieces and softer materials. A rotating cutting tool moves along the surface of the plastic, cutting away material to create the desired shape.

4. CNC Laser Cutting:This process uses a high-powered laser to cut through plastic materials, resulting in clean, precise edges and intricate designs.

5. CNC Waterjet Cutting:Waterjet cutting involves the use of a high-pressure stream of water mixed with abrasive particles to cut through plastic materials. This process is ideal for cutting thick or hard plastics without generating excessive heat.

Choosing the Right Plastic Material for CNC Machining

The success of a CNC plastic machining project largely depends on selecting the appropriate material for the job. There are numerous types of plastic materials available, each with its own unique properties and characteristics. Some of the most popular plastics for CNC machining include:

Acrylic:Known for its transparency and durability, acrylic is often used for signage, displays, and other applications where aesthetics are important.

Delrin:This engineering plastic is known for its excellent dimensional stability, low friction, and resistance to wear. It is commonly used for gears, bearings, and other mechanical components.

Nylon:With its high strength and resistance to wear, nylon is an ideal material for parts that will be subjected to heavy loads and friction.

Polycarbonate:This material offers excellent impact resistance and transparency, making it popular for applications such as protective shields and enclosures.

Polyethylene:This versatile plastic is known for its low cost, ease of machining, and resistance to chemicals. It is commonly used for packaging, containers, and other general-purpose applications.

Tips for Successful CNC Plastic Machining

To ensure the success of your CNC plastic machining project, consider the following tips:

1. Design for manufacturability:When designing parts for CNC machining, it's essential to consider the limitations and capabilities of the process. This includes factors such as tolerances, material thickness, and feature sizes. By designing with manufacturability in mind, you can avoid potential issues and reduce the need for costly redesigns.

2. Choose the right cutting tools:The type of cutting tool used can have a significant impact on the quality and efficiency of your CNC plastic machining project. Selecting the appropriate tool for your material and process will help ensure clean, accurate cuts and minimize the risk of damage to your workpiece.

3. Optimize cutting parameters:Factors such as cutting speed, feed rate, and depth of cut can all influence the success of your CNC plastic machining project. Adjusting these parameters to suit your specific material and process can help improve efficiency, reduce tool wear, and achieve better surface finishes.

4. Use proper workholding techniques:Securing your plastic workpiece properly is essential for accurate and consistent CNC machining. This may involve the use of clamps, vises, or custom fixtures designed specifically for your part.

5. Implement quality control measures:Regular inspection and measurement of your machined parts can help ensure that they meet the required specifications and tolerances. This may involve the use of tools such as calipers, micrometers, and coordinate measuring machines (CMMs).

In summary, CNC plastic machining is a versatile and efficient method for producing high-quality, complex parts for a wide range of industries. By understanding the various processes, materials, and best practices involved, suppliers can leverage this technology to stay competitive and meet the ever-evolving demands of their customers.

cnc plastic machining supplier

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

  • Q2.Do You Have Stock
  • Q3.What Is Your Production Capacity?
  • Q4.Where Is Your Factory?
  • Q5.Can You Provide Samples?
  • Q6.How About Your After-sales Service?
Get The Best Quotes Now