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Home > Blog > Application and Advantages of CNC Machining Plastic Parts

Application and Advantages of CNC Machining Plastic Parts

2024-09-25 16:29:16

In the modern manufacturing industry, CNC (computer numerical control) processing technology has become a key process for producing plastic parts, especially in high-demand fields such as automobiles, electronics, and medical care. CNC processing of plastic parts has shown strong application potential and advantages. As a professional CNC processing supplier, Jeasnn has rich experience in the field of customized plastic parts and provides customers with precise and efficient processing services.


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Plastic parts are widely used in many Industries due to their light weight, high strength and cost-effectiveness. Through CNC processing, Jeasnn can manufacture complex parts to meet various industrial needs.


Automotive industry: In automobile manufacturing, many parts need to be lightweight and durable. CNC processing can accurately manufacture complex parts such as plastic body interiors and dashboard components.

Electronic industry: Electronic equipment has extremely high requirements for the precision of parts. CNC processing can produce complex plastic brackets, housings and connectors to ensure the stability and safety of the equipment.

Medical industry: Medical equipment has more stringent requirements for Materials and must achieve a high degree of cleanliness and biocompatibility. CNC processing can produce customized plastic medical device parts, such as surgical tools, customized implants, etc.

Aerospace: In the aerospace industry, lightweight and heat-resistant plastic parts can reduce the weight of equipment while improving the fuel efficiency and performance of aircraft.


These application areas show the diversity and flexibility of CNC machined plastic parts, and its position in the manufacturing industry cannot be underestimated.


Compared with other machining methods, CNC machined plastic parts have many advantages.


High precision: CNC Machining is known for its high precision, and can produce plastic parts with dimensional accuracy down to the micron level, ensuring that the parts fit seamlessly with other components. This is particularly critical in the medical and electronics industries, which require extremely high precision.

Flexibility and diversity: CNC machines can handle a variety of plastic materials, complex geometries and different thickness requirements. This means that they can be customized according to customer needs, whether it is prototyping or mass production, and can respond quickly.

Fast production speed: Compared with traditional injection molding, CNC Machining does not require molds, which greatly shortens delivery time, especially for prototyping and small-volume production projects.

High cost-effectiveness: For small-volume production, CNC machining does not require mold costs, which greatly reduces production costs. Especially when the order volume is not large, CNC machining becomes a more economical choice.


Jeasnn's CNC machining service supports customization of a variety of plastic materials, and customers can choose the right material according to the specific application.


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ABS: This material is strong and durable, has good impact resistance, and is widely used in automotive and electronic parts.

POM (Pyrotechnics): This material has excellent wear resistance and is often used to make mechanical parts such as gears and pulleys.

Nylon: Nylon has good elasticity and heat resistance, and is suitable for the production of parts that require high strength and tensile resistance.

PMMA (Acrylic): It has good transparency and weather resistance and is often used to make optical parts or decorative housings.

PEEK: This high-performance engineering plastic has excellent heat resistance and chemical resistance, and is suitable for high-end applications in aerospace and medical equipment.


Different materials have their own advantages and limitations. Jeasnn can provide appropriate material selection recommendations based on the specific needs and application scenarios of customers to ensure that the parts can achieve optimal performance in specific environments.


Although CNC machining plastic parts has many advantages, there are also certain challenges in actual operation.


Thermal sensitivity issues: Many plastic materials are prone to deformation due to frictional heat during processing, so cutting speed and cooling need to be strictly controlled during processing to avoid material damage.

Surface quality: Plastic materials are difficult to surface treat, especially when high finish is required, and additional polishing or spraying may be required to achieve the customer's surface smoothness requirements.

Elastic deformation: Some soft plastic materials are prone to elastic deformation during processing, so high-precision fixtures and process control are required to ensure processing accuracy.


Compared with other manufacturing processes, CNC machining has obvious advantages in many cases.


Compared with injection molding: Injection molding is suitable for large-scale production, but mold costs are expensive and design changes are difficult. CNC machining does not require molds, is suitable for small-scale production, and can flexibly respond to frequent design changes, greatly reducing upfront costs.

Compared with 3D printing: 3D printing is often used for rapid prototyping, but material strength and surface finish are limited. CNC machining can provide higher material selection, precision and better surface treatment effects, and is suitable for projects with higher quality and appearance requirements.

Compared with laser cutting: laser cutting is mainly used for plane processing, while CNC processing supports three-dimensional processing and is suitable for manufacturing complex geometries and multifunctional parts.


Jeasnn provides highly customized CNC processing services, which can flexibly adjust the size, material and shape of parts according to the specific needs of customers. Whether it is complex prototype design or large-scale standard parts production, Jeasnn can ensure that every part meets customer expectations through efficient production processes and strict quality control.


CNC processing of plastic parts has become an indispensable processing method in modern manufacturing due to its advantages such as high precision, strong flexibility and diversified material selection. As a professional CNC processing supplier, Jeasnn can provide customers with one-stop customized services to meet the diverse needs from prototype design to mass production. Through continuous innovation and technological upgrading, Jeasnn is committed to providing high-quality plastic parts processing solutions to customers around the world.

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