Custom CNC Nylon Plastic CNC Machining Parts

Qualify Evaluation Report

For each order we receive, we can provide a list of quality inspection reports according to your processing requirements.

Inspection  report
Full dimension report
Material Test Report

Certificate

As an experienced manufacturer of on-demand CNC machined parts, has obtained the following certifications.

ISO 9001:2015

IATF 16949:2015

ROHS Directive

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Why is nylon used for CNC machining parts?

Nylon is a popular material for CNC machining because of its excellent strength, durability, and versatility. It offers high impact resistance, low friction, and good wear resistance, making it suitable for various mechanical applications. Nylon is also lightweight, chemically resistant, and has a good ability to absorb vibrations, which is essential for parts subjected to wear and tear.

What are the advantages of using CNC machining for nylon plastic parts?

CNC machining allows for high precision and repeatability when manufacturing nylon plastic parts. It can produce complex shapes, tight tolerances, and smooth finishes with minimal tooling requirements. Additionally, CNC machines can handle both large and small production runs, making it suitable for both prototyping and full-scale production of nylon components.

What are the different grades of nylon used in CNC machining?

The most common grades of nylon used in CNC machining are:

Nylon 6: Offers excellent strength, toughness, and resistance to wear and tear.

Nylon 66: Known for its higher strength, heat resistance, and chemical stability.

Nylon 6/12: Offers lower moisture absorption and better dimensional stability.

Filled Nylon: Typically filled with glass or other materials to improve mechanical properties like stiffness and wear resistance.

How does moisture affect nylon plastic CNC machined parts?

Nylon is hygroscopic, meaning it absorbs moisture from the air, which can affect its dimensions and mechanical properties. Excess moisture absorption can lead to dimensional instability, reduced strength, and potential warping during machining. It’s essential to properly dry nylon before machining and, if possible, to store it in a controlled environment to minimize moisture-related issues.

What are the key benefits of using nylon plastic for mechanical components?

Nylon offers low friction, which makes it an excellent choice for applications requiring reduced wear, such as gears, bearings, and bushings. It’s also highly resistant to abrasion, chemicals, and solvents. Moreover, nylon is lightweight, reducing the overall weight of the part without sacrificing performance. It also offers good electrical insulating properties and can operate in a wide temperature range.

What machining processes are used for nylon plastic parts?

CNC machining processes used for nylon parts include:

CNC Milling: For creating complex geometries and precise cuts.

CNC Turning: For cylindrical components like shafts or rods.

CNC Routing: For cutting larger flat parts or sheets of nylon.

CNC Drilling: To make accurate holes or slots.

CNC Tapping: For creating threads in nylon parts.

Can nylon plastic parts be custom-colored?

Yes, nylon plastic can be colored using dyes or pigments during the manufacturing process, such as through injection molding or direct color mixing. However, for CNC machining, it’s more common to machine parts from pre-colored nylon or to apply a surface coating, like painting or anodizing, to achieve the desired color.

What is the maximum size of a part that can be CNC machined from nylon?

The size of the part that can be CNC machined from nylon depends on the size of the CNC machine and the material stock being used. For standard CNC machines, parts up to several feet in length and width can be machined. For large-scale parts, specialized equipment like a CNC router may be required to accommodate larger sheets or blocks of nylon.

What surface finishes are available for CNC machined nylon parts?

Common surface finishes for CNC machined nylon parts include:

Smooth Finish: Achieved by fine machining techniques or post-machining processes like sanding and polishing.

Textured Finish: Applied through specific machining techniques or by adding a texture pattern during the CNC process.

Painted/Coated: To improve appearance or add extra protection against wear and environmental factors.

Laser Etching: For adding logos, patterns, or text directly onto the part.

How durable are CNC machined nylon parts compared to other plastics?

CNC machined nylon parts are known for their high strength, toughness, and wear resistance compared to other plastics like PVC, ABS, and polystyrene. Nylon has a higher tensile strength and better resistance to friction, making it suitable for applications where parts undergo heavy wear and require high durability. However, its moisture sensitivity and susceptibility to UV degradation should be considered when selecting nylon for outdoor applications.

What are the most common applications for CNC machined nylon parts?

CNC machined nylon parts are commonly used in various industries, including:

Automotive: For parts like bushings, bearings, gears, and brackets.

Aerospace: For lightweight and durable components like spacers, seals, and mounts.

Electronics: For connectors, housings, and insulation parts.

Medical Devices: For surgical instruments, casings, and other specialized components.

Consumer Goods: For components like handles, knobs, and appliance parts.

What factors influence the cost of CNC machining nylon parts?

The cost of CNC machining nylon parts can vary depending on:

Material Type: Different grades of nylon have varying costs.

Part Complexity: More intricate designs with tight tolerances and detailed features require longer machining times.

Production Volume: Larger production runs tend to reduce the cost per part due to economies of scale.

Post-Processing: Additional processes such as finishing, coating, or assembly can add to the overall cost.

Can CNC-machined nylon parts be used in high-temperature applications?

Nylon can withstand temperatures up to around 180°F (82°C), depending on the grade. However, for applications involving higher temperatures, reinforced nylons or alternative materials, such as PEEK or polyimide, may be necessary. For moderate temperature applications, nylon parts perform well without significant degradation.

Is it necessary to dry nylon before CNC machining?

Yes, drying is often necessary because nylon absorbs moisture from the air, which can affect its machining characteristics. Moisture in the nylon can lead to dimensional changes and a rougher finish during machining. It is recommended to dry the nylon material in an oven or vacuum dryer to achieve optimal machining results.

What are the environmental impacts of CNC machining nylon plastic parts?

CNC machining of nylon plastic parts is relatively environmentally friendly compared to some other manufacturing processes. However, like any plastic, nylon can contribute to plastic waste if not properly disposed of or recycled. Many CNC shops use sustainable practices like recycling plastic scrap and using eco-friendly lubricants and coolants during machining.