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Ultimate Guide to CNC Machines
Ultimate Guide to Surface Finish
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Top Acrylic (PMMA) CNC Machining Manufacturers in China

Custom Acrylic (PMMA) CNC Machining from China

China’s ETCN offers custom acrylic (poly (methyl methacrylate)) and CNC machining services. This company specializes in precision machining of acrylic materials to meet your specific design requirements. They pride themselves on the quality of their work, and pay great attention to detail.

 Save at least 50% on average

Custom Acrylic (PMMA) CNC Machining from China
  • machining icon

    Capabilities of Acrylic (PMMA) CNC Machining Service

Acrylic’s use in CNC machining guarantees accurate cutting, low-cost production, and flexibility in finishing. This material is lightweight and can resist UV rays, making it suitable for many sectors, including health care and sign-making industries. However, one should also take into account that acrylic’s brittle nature may lead to sharp edges while maintaining high precision.

Capabilities of Acrylic (PMMA) CNC Machining Service
  • ICON -Descriptions


Try out the benefits of the acrylic CNC parts:

– They are lightweight and can last longer.

– They have high machinability.

– They are translucent.

Commonly used for:

– Light pipes

– Lenses

– Light shades

– Optical fibers

– Signs

  • Characteristics - icon


Price: $$$$$

Lead Time: < 7 days

Wall thickness: 0.75mm

Tolerances: ±0.005mm

Max part size: 200 x 80 x 100 cm

Acrylic CNC Machining: Precision Manufacturing of PMMA Components with a Focus on Quality Display

Acrylic (PMMA) CNC Machining: Available Material for Precision Machining

Polymethyl methacrylate (PMMA) or acrylic is an adaptable material that is extensively used in computerized numerical control (CNC) machining. This material became popular because of its outstanding optical clarity, impact strength, among other mechanical properties, and ease of processing. The reliability and precision provided by Acrylic CNC machining make it one of the most suitable materials for different applications.

PMMA (Acrylic)

Acrylic glass, or PMMA, is a long-lasting see-through plastic that is often used instead of glass. In order to make it even clearer, you should undergo a careful process of polishing.

Acrylic (PMMA) Material Properties for CNC Machining

Tensile StrengthElongation at BreakTensile ModulusFlexural StrengthHardness, Rockwell
Test MethodASTM D638ASTM D638ASTM D638ASTM D790ASTM D785
Machined Arylic8,038 psi2.70%350,000 - 500,000 psi12,000 psiM80 - M100

Top Surface Finishes for Acrylic CNC Machining (PMMA)

Best Surface Coatings for Acrylic CNC Machining (PMMA): Discover different ways of finishing, including super-smooth polish, non-glossy smoothness, or rough surfaces that will greatly improve the looks as well as the utility of your acrylic machined components. Each coating type has its own features, which may enhance the general excellence and attractiveness of the end products.

Aluminum Anodizing parts
Anodizing, a prevalent surface treatment method, is extensively employed to improve the longevity of mechanical, aircraft, and automotive parts. It enhances wear resistance, thwarts corrosion, and fortifies surfaces, culminating in heightened toughness and a matte appearance. This technique allows for anodizing in a variety of hues like clear, black, grey, red, blue, or gold.
Bead Blasting
Bead Blasting

Bead blasting, a refined technique, creates smooth surfaces with a chic matte finish, perfect for boosting visual appeal. It works well with materials such as ABS plastic, aluminum, brass, stainless steel, and steel. Additionally, when paired with other surface treatments, bead blasting can significantly elevate the overall aesthetic charm.

Powder Coating
Powder Coating

Powder coating is a solvent-free process where dry powder is electrostatically applied and then cured using heat or UV light. It is offered in aluminum, stainless steel, and steel, in black or any RAL code/Pantone number, with choices for gloss or semi-gloss finishes.


Electroplating is extensively utilized across industries like automotive to meet functional, aesthetic, and anti-corrosion requirements. Chrome-plating steel components is especially popular for attaining a refined, lustrous appearance. Commonly chosen materials for a sleek finish comprise aluminum, steel, and stainless steel.


Delve into the art of perfecting surfaces to a brilliant, seamless sheen. While some choose manual buffing, others turn to chemicals for a stunning mirror-like gleam. Yet, materials differ in their reflective properties. Various methods can be utilized to achieve a lustrous polish on aluminum, brass, stainless steel, and standard steel.

Brushing parts

Surface brushing is a precise treatment method that intricately enhances various materials such as ABS, aluminum, brass, stainless steel, and steel. By employing abrasive belts, this technique imparts a satin finish, enriching the visual appeal of objects and elevating their aesthetic charm.

Acrylic is a flexible material appreciated for its toughness and transparency. This guide book clarifies the process of machining acrylic, which will enable both professionals and enthusiasts to achieve accuracy and aesthetic appeal in their projects. Just follow our instructions step by step for perfect results with a touch of magic!
why choose ETCN
  • machining icon

    Why choose ETCN's Acrylic (PMMA) CNC Machining

1. Exactness: ETCN’s CNC Machining guarantees accurate results by using highly developed technology.

2. Long Lasting: Acrylic (PMMA) material is long lasting and can be used for machined parts.

3. Flexibility: Complex designs and shapes are made possible during the CNC machining process.

4. Beauty: Acrylic (PMMA) makes products look sleek and modern.

5. Time-Saving: Apart from ensuring quality, ETCN’s CNC Machining service saves time and cuts down costs in the production process.

Related services

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Get a fast quote today for Acrylic (PMMA) CNC Machining services

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Frequently Asked Questions

If you want to know more about Acrylic (PMMA) CNC Machining

Q: What is PMMA and why is it commonly used in CNC machining?

A: Polymethyl methacrylate (PMMA), also called acrylic, is a thermoplastic that’s clear. It is also one of the most common materials used in CNC machining because of its optical clarity, UV stability, and high surface hardness when compared with other plastics. Being see-through and easy to work with makes it suitable for many applications such as lenses or screens.

Q: What are some benefits of using acrylic for CNC machining over other manufacturing methods?

A: Acrylic has many advantages over different types of manufacturing processes like 3D printing or injection molding. Some of these include tighter tolerances being achievable, better surface finish quality, and the ability to make complex shapes easily. Furthermore, CNC machined PMMA retains transparency which may be required for certain applications where clarity is vital.

Q: Can you use acrylic in both CNC milling and turning?

A: Yes, acrylic can be utilized in either process – CNC milling as well as turning. Complex shapes with surface contours are best made through milling while turning produces cylindrical parts with good finishes on them. Both methods work effectively when machining PMMA because it is an easily machinable material thus enabling production accuracy for acrylic components.

Q: In what ways does the selection of cutting tools affect the outcome when working on PMMA using CNC machines?

A: The choice of a cutting tool greatly affects how well one works on PMMA during their time at the machine shop floor; this statement could not have been more true! Using inappropriate tools may cause chips and cracks since polymethyl methacrylate tends to be quite brittle sometimes. You need sharp instruments that operate at high speeds so that you get smooth finishes tooled onto your surfaces; but wait there’s more! Tools designed specifically for plastics should be employed because they don’t produce much heat thus preventing melting while cutting through it.

Q: What are a few hints for bettering the surface finish during CNC machining acrylics?

A: There are some tricks to getting a good surface finish when you machine acrylic using a CNC. One of them is to use plastic-cutting tools that are very sharp; another is keeping temperatures down by controlling feed rates and cutting speeds, or applying coolants or air blasts so the area around where you’re cutting stays cool. You can also do things after you take your part off the machine, like flame-polishing it to melt any roughness away.

Q: Is it possible to achieve transparency in machined acrylic parts akin to cast or extruded acrylic sheets?

A: Yes, you can make machined acrylic parts that are just as transparent as cast or extruded sheets. You have to control the machining process really well so there aren’t any scratches on your part – which means tool selection and everything else needs to be perfect. But even then you might still want to buff it out afterwards, maybe with flame polishing.

Q: Can CNC machines work on different kinds of acrylite? How do these variants compare mechanically?

A: There are two main types of acrylic that get used in CNC work – cast and extruded. Mechanical properties vary between them due largely in part because one requires an additional step during its creation process while another does not; such differences include improved chemical resistance (cast), better surface finishes (cast), easier machinability (cast) which makes this material ideal for certain applications where optics need high quality light transmission but at low cost too such as lenses etcetera.. However there’s also tradeoffs associated with each type since cast versions may crack more easily if they’re worked too hard whereas extruded ones should be handled gentler since they’re softer than their counterparts.

Q: In terms of CNC machining, does PMMA differ greatly from polycarbonate?

A: When it comes down to CNC machining, PMMA and polycarbonate are two different materials. From the optical clarity point of view, PMMA is better because it has higher transparency but also UV resistance, so you can use this material in places where there’s direct sunlight exposure, etcetera. Moreover, it’s much easier to achieve a smooth surface finish with PMMA while working on machines like CNCs than any other type of plastic; literally all one needs to do is polish them up after taking them off from the machine either by hand or flame method to works just as well. On the contrary, polycarbonates offer more impact strength along with toughness even at elevated temperatures, making them ideal for various applications such as safety glasses, among others.

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