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CNC Machining for Aerospace
The extremely high level of precision needed within the aerospace industry makes CNC machining a suitable manufacturing process for the sector. This article provides you with a complete guide to aerospace machining and its importance.
Choose from 50+ metals and plastics for your project.
CNC Machining eBook
If you want to produce high-quality machined parts with a sleek appearance, it’s essential to consider some critical factors related to CNC machining. Here, we’ve gathered some basic information and important considerations to help you achieve the desired results.
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PMMA, also known as acrylic, is a transparent thermoplastic. One of the most widely used plastics in the world, PMMA demonstrates good chemical stability, mechanical properties and weather resistance. The material is also easy to process and to dye. Because of its transparency, PMMA is often used as an alternative to glass and is popular in the interior design, construction and chemical industries. It is also regularly used in advertising to fabricate signage, lightboxes and billboards.
Information of PMMA
Features
Info
Color
Optically clear, opaque
Process
CNC machining, injection molding
Tolerance
With drawing: as low as +/- 0.005 mm No drawing: ISO 2768 medium
Applications
Tanks, panels, and optical applications
Price
$
Material Properties
Tensile Strength
Elongation at Break
Hardness
Density
Maximum Temp
PMMA (Acrylic)
8,000 PSI
6%
Rockwell M95
1.19 g/㎤ 0.043 lbs / cu. in.
170° F
Surface Finishes for Your Choosing
Name
Description
Materials
Color
Texture
Link
Bead Blasting
Bead blasting results in parts with a smooth surface with a matte texture. Used mainly for visual applications and can be followed by other surface treatments.
Ranging from Ra 0.8~Ra0.1, polishing processes use an abrasive material to rub the part’s surface to make the shine more less shiny, depending on your requirements.
Painting involves spraying a layer of paint onto the surface of the part. Colors can be matched to a Pantone color number of the customer’s choosing, while finishes range from matte to gloss to metallic.