CNC Plastic Machining
Your Professional CNC Plastic Machining Supplier
MID is a company to help customers increase more marketing opportunities by assisting them to develop innovative machining processed provide precision CNC machining and sheet metal processing manufacturer for high-mix, high-complexity, high-flexibility and Low-volume production etc. They analysis the physical properties of different raw materials and production processes, and then provides the best solution to our valuable customers.
Why Choose Us
R&D Capability
We provide complete automation equipment solutions from designs, manufactures and installs.
Team of Experts
We are a highly qualified team of production, quality and engineering, we deeply understand the requirements of high-end customers, and so do all of our employees.
On-Time Delivery
Our commitment extends to ensuring the punctual delivery, cost-efficiency, and unparalleled customer service for all your products, reflecting our unwavering dedication to your satisfaction.
Quality Assurance
Our project engineers with good project management training, PMP certification and IATF16949 auditor qualifications. In order to achieve flexible lean production and zero defect, we developed a specialized in-house QES (quality execution system), which follows the concept of traceability management of AS9100.
Advantages of CNC Plastic Machining
Precision And Accuracy
One of the most significant advantages of plastic CNC machining is its precision. CNC machines can produce parts with tight tolerances and fine details that might be difficult or impossible to achieve with manual machining or other manufacturing processes.
Versatility In Design
CNC machining allows for the creation of complex shapes and intricate designs that are often required in modern plastic components. This versatility gives designers and engineers the freedom to create parts without the limitations of other manufacturing methods.
High-Quality Surface Finish
CNC machines can achieve excellent surface finishes on plastic parts, which is particularly important for visible components or those that require a smooth surface for functional reasons.
Speed And Efficiency
With CNC machining, once the initial setup is complete, parts can be produced relatively quickly. This efficiency is especially beneficial for medium to high-volume production runs.
Consistency
CNC machining provides consistency across parts, which is crucial for maintaining quality in large production runs. Each part will match the original design specifications precisely, ensuring uniformity in the final product.
CNC Plastic Machining Material Properties
|
Plastic Material |
Description |
|
ABS |
Low-cost engineering grade plastic. Easy to machine and offers dimensional stability. |
|
ABS-Flame Retardant |
Flame retardant benefits with slightly lower tensile strength and heat deflection than standard ABS |
|
Acetal 20% Glass Filled / Delrin 570 |
20% glass-filled fiber with high stiffness and excellent performance at elevated temperatures |
|
Acetal Copolymer |
High strength and stiffness. Low moisture absorption |
|
Acetal Homopolymer / Delrin 150 |
High tensile strength, creep resistance, and overall toughness |
|
Acetal Static Dissipative / Tecaform SD |
Excellent bearing and wear properties. Good for components that will undergo friction or fluid flow contact |
|
CPVC |
High heat and corrosion resistant. Self extinguishing and flame spread of less than 20 |
|
HDPE |
Impact resistant, tensile strength, and chemical and corrosion resistant |
|
LDPE |
More flexible than HDPE. Easy to machine and offers chemical and corrosion resistance. |
|
Nylon 6 |
Excellent bearing and wear properties. Good overall mechanical properties |
|
Nylon 6/6 |
Outstanding wear resistance and frictional properties. Poor dimensional stability |
|
Nylon 6/6 30% Glass Filled |
High heat deflection combined with superior wear and abrasion resistance. |
|
Polycarbonate (PC) |
Natural transparency with high impact strength |
|
Polycarbonate (PC) 20% Glass Filled |
Higher tensile and and temperature properties than unfilled PC |
|
PEEK |
Good material option when thermal, chemical, and combustion properties are required |
|
PEI / Ultem 1000 |
Translucent amber in color. |
|
PEI 30% Glass Filled / Ultem 2300 |
High heat resistance and retains tensile properties at elevated temperatures |
|
PET |
Excellent wear resistance, high flexural modulus, and is a good electrical insulator |
|
PMMA / Acrylic |
Rigid thermoplastic with UV stability and transparency |
|
Polypropylene Copolymer |
Versatile, all-purpose thermoplastic that is easy to machine and low cost. More pliable than homopolymer |
|
PP Homopolymer |
High strength-to-weight ratio and good performance in thermoforming and corrosive environments |
|
PPE+PS / Noryl 265 |
Exceptional dimensional stability. Good choice for housings due to insulating properties and flame resistance |
|
PPSU / Radel R 5500 |
Excellent hydrolytic stability and toughness. Good thermal stability and flame retardent |
|
PS (HIPS) / Polystyrene |
Good prototyping material due to low cost. Offers impact resistance |
|
PSU / Polysulfone |
Transparent plastic with chemical and high temperature resistance. Can operate in an autoclave environment |
|
PTFE / Teflon |
Excellent chemical resistance and unmatched coefficient of friction |
|
PVC |
Best choice for chemical resistance. Relatively low cost material as well |
|
UHMW |
No moisture absorption and self lubricating. Retains physical properties down to -30℃ |
CNC Plastic Machining Post-Processing Options
Sanding and Polishing
After CNC machining, plastic parts may have rough edges, visible tool marks, or burrs. Sanding deburrs the part, smooths the surface, and removes imperfections. Different grits of sandpaper, from coarse to fine, are progressively used to achieve the desired finish.
Bead Blasting
This process uses fine beads (usually glass, plastic, or ceramic) propelled at high pressure to create a uniform, matte surface finish on CNC plastic parts. It smooths surfaces, deburrs parts, improves grip, and enhances aesthetics.
Vapour Polishing
Vapour polishing is a polishing technique that improves surface roughness and enhances clarity. The part is exposed to a solvent vapour, such as acetone, that slightly melts the part’s outermost surface, smoothing the surface and removing any machining marks.
Annealing
Annealing is a heat treatment process that relieves internal stresses in the CNC plastic part that may have built up during CNC machining. Stress relief is particularly important for load-bearing or stressed parts, as it reduces the likelihood of cracking, warping, or dimensional instability during use.
Colouring and Coating
Plastics are usually dyed in specific colours during production to create coloured-through workpieces. However, machined CNC plastic parts, especially white ones, can be painted or dyed to improve appearance, change colour, or provide additional protection. Surface preparation (such as priming or sanding) is often required to improve bonding.
Marking and Texturing
Marking and texturing encompass various techniques to add visual features to CNC plastic parts. After CNC machining, machinists can add logos, labels, serial numbers, barcodes, or graphics to plastic parts using silk-screening, pad printing, and Laser etching.
Plating and Metallisation
CNC plastic parts can undergo plating to improve functionality or aesthetics using plating materials and techniques such as electroless nickel plating, chrome plating, and gold plating.
Post-Machining Manufacturing
Post-machining manufacturing involves processes that are not part of the machining process but are required to create the finished product. These processes usually involve assembly or the addition of features. Assembly techniques include adhesive bonding, fitting, welding, screwing, and many others, while additional features include thread tapping, inserts, and heat forming.
Applications of CNC Plastic Machining
Aerospace And Defense
CNC Plastic Machining is widely used in the aerospace and defense industries for components that require high strength-to-weight ratios and resistance to various environmental conditions.
Medical Devices
The medical industry benefits from the precision and cleanliness of CNC-machined plastic parts, which are often used in surgical instruments, diagnostic equipment, and implants.
Automotive
From interior components to under-the-hood electronics, CNC machining serves the automotive industry by producing durable, high-quality plastic parts that can withstand the rigors of daily use.
Consumer Electronics
The consumer electronics industry relies on CNC machining for the production of enclosures, buttons, and other components that require a high level of detail and a quality surface finish.
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Once you accept our quote, begin working with our team to make your ideas a reality
We deliver your custom parts directly to your doorstep.
FAQ
Mid (Dongguan) Intelligent Manufacturing Co., Ltd. is one of the leading cnc plastic machining manufacturers and suppliers in China. We warmly welcome you to buy cnc plastic machining for sale here from our factory. All customized products are with high quality and competitive price. Contact us for quotation and free sample.
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