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Read case studyProcesses
Lead Time
Colors
Tolerance
Price
Applications
Acrylic is a scratch-resistant plastic, available optically clear or opaque. It is often used for tanks, panels, and optical applications. It can be somewhat brittle in thin walled areas, so it is not recommended for delicate or complex geometries.
This plastic is also known as PMMA, an abbreviation of its full chemical name, polymethyl methacrylate, as well as by the trade names Plexiglas and Lucite.
Tensile Strength
Elongation at Break
Hardness
Density
Maximum Temp
McMaster Part Number
Acrylic is transparent or opaque (black, white, and a variety of colors) in its unfinished state. Clear acrylic will take on more of a frosted translucent appearance when machined, though can be smoothed again to an optically clear state using various finishing methods.
Min Wall Thickness
Min End Mill Size
Min Drill Size
Max Part Size
Undercuts
Radii : Depth
Cost Saving Tip
To reduce costs, limit the number of part setups, the number of inspection dimensions or tight tolerances, and deep pockets with small radii.
Can CNC cut acrylic?
Yes, acrylic is a common material used in CNC machining. Acrylic is a scratch-resistant plastic, which in thin-walled areas can be fairly brittle. For this reason it isn’t ideal for parts that require delicate or complex shapes.
What are some CNC acrylic cutting tips?
These five tips will help you avoid difficulties and maintain a smooth cut when using CNC to cut acrylic:
What are common uses for acrylic in CNC?
Acrylic is transparent and is frequently used as a lightweight substitute for glass or for light pipes. Other uses include plastic parts such as car lights, light tubes, tanks, panels and optical applications.
What is the cutting speed for acrylic?
At least 18,000 RPMs is the recommended speed for cutting acrylic. Although higher speeds are possible, you may need to adjust your feedrate to prevent the material from melting from the heat. This also depends on the diameter of the tool being used.
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