Explore Machining Kits at Aero Dynamic Machining Inc. Specializing in Acrylic Machining.
Explore Machining Kits at Aero Dynamic Machining Inc. Specializing in Acrylic Machining.
Whether you're a hobbyist exploring machining kits, an aerospace manufacturer working with Aerodynamic Machining Inc., or an industrial designer needing acrylic machining services

What is Acrylic or PMMA?
Acrylic, also known as polymethyl methacrylate (PMMA), is a versatile plastic material widely used in CNC machining due to its exceptional properties. PMMA's optical clarity, light transmission, and UV resistance make it a popular choice for a wide range of applications, from signage and displays to lenses and lighting fixtures.
Common applications for acrylic CNC parts:
- Light pipes
- Lenses
- Light shades
- Optical fibers
- Signs
Processing | CNC Turning, CNC Milling, Laser Cutting, Bending, Spinning, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding | |||
Materials | Aluminum: 2000 series, 6000 series, 7075, 5052, etc. | |||
Stainless steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc. | ||||
Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc. | ||||
Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper | ||||
Titanium: Grade F1-F5 | ||||
Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. | ||||
Surface Treatment | Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickel/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc. | |||
Tolerance | ±0.002 ~ ±0.005mm | |||
Surface Roughness | Min Ra 0.1~3.2 | |||
4.Quick proofing, short delivery time, usually is 3-15 days
CNC Machined Acrylic (PMMA) Material Properties
| Tensile Strength | Elongation at Break | Tensile Modulus | Flexural Strength | Hardness, Rockwell | |
|---|---|---|---|---|---|
| Test Method | ASTM D638 | ASTM D638 | ASTM D638 | ASTM D790 | ASTM D785 |
| Machined Arylic | 8,038 psi | 2.7% | 350,000 - 500,000 psi | 12,000 psi | M80 - M100 |
CNC Milling of Acrylic
CNC milling is a highly adaptable process, ideal for acrylic fabrication, capable of producing intricate details and smooth surfaces. This process involves using rotary cutting tools to remove acrylic material, allowing for the creation of complex three-dimensional shapes.
Technical Suitability of Acrylic: The non-contact nature of CNC milling minimizes the risk of cracking or melting the acrylic, which can occur with less precise machining methods. Control over the milling speed, feed rate, and cutting depth allows for adjustments to the acrylic's performance, ensuring high-quality surface finishes and reducing the need for post-processing.
Applications: From prototype development to the production of finished parts, CNC milling serves a wide range of industries, including automotive, aerospace, and medical devices. This versatility is especially beneficial for creating components with strict tolerances or complex designs, such as automotive lamp lenses, transparent covers for medical equipment, and decorative items.

Conclusion: Choosing the Right Machining Solution
From affordable machining kits for beginners to the aerospace-grade services of Aerodynamic Machining Inc. and specialized acrylic machining capabilities, today's manufacturing landscape offers solutions for every need and budget. By understanding these options' strengths and applications, you can make informed decisions that align with your project requirements.



























