Impact-resistant acrylic, copolymerized with impact modifiers, has a drop ball impact strength several times that of ordinary cast plates
Impact-resistant acrylic is the impact-resistant grade of PMMA (acrylic). Impact-modified PMMA has a toughness close to that of PC and a light transmittance close to that of ordinary acrylic. It is suitable for explosion-proof Windows and large signboards.
Impact-resistant acrylic, copolymerized with impact modifiers, has a drop ball impact strength several times that of ordinary cast plates, while maintaining over 90% light transmission.
Impact-resistant acrylic grades are often used in the following fields and scenarios. Our CNC processing services can provide customized parts for these industries.
Impact-resistant acrylic demonstrates the following core advantages in CNC machining and terminal applications.
The following are the key process points when processing impact-resistant acrylic grades to ensure the quality of parts and processing efficiency.
Select sharp single-edge or double-edge carbide tools with large relief angles, positive rake angles, and polished cutting edges. The fiberglass/carbon fiber-filled grades need to be equipped with wear-resistant coated blades.
High-speed, medium-low feed, and small-depth layer-by-layer cutting are carried out. The cutting temperature must be strictly controlled below the material's softening point to prevent melting and tool sticking.
Give priority to compressed air or cold air cooling; Most plastics are not suitable for coolant (as it can easily induce stress cracking), and only atomization lubrication should be used when necessary.
Low clamping force in combination with soft claws or vacuum suction cups prevents deformation and indentation of thin-walled parts. Pay attention to the state adjustment of moisture-absorbing materials (such as nylon) before processing.
The coefficient of thermal expansion of plastics is large, and CMM needs to be measured in a constant temperature environment. Focus on internal stress, surface quality and dimensional stability.
Besides Impact-resistant acrylic, PMMA (Acrylic) offers several other grades with different characteristics. Click to view details.
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