Acrylic (PMMA) Injection Molding
Acrylic plastic molding delivers crystal-clear, durable parts with excellent optical properties. Whether for lighting, displays, or automotive components, our precision molding ensures high-quality results for your applications.
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Erye Offer Acrylic Injection Molding Service Specific to Your Needs!
Acrylic (PMMA) injection molding is ideal for producing transparent, impact-resistant parts with excellent weatherability. From optical lenses to display panels, our advanced Acrylic molding capabilities ensure clarity and precision. With a deep understanding of acrylic’s unique properties, we optimize every stage of production to achieve flawless results.
- Precision Molding: Tight tolerances for high-clarity, distortion-free parts
- Large-Scale Production: High-volume capabilities with consistent quality
- Custom Surface Finishes: Glossy, matte, and textured options available
- UV & Impact Resistance Enhancement: Optimized molding for durability
- Assembly & Secondary Processing: Bonding, coating, and finishing solutions
Injection Molded Acrylic Design Guide
Injection molding PMMA (Acrylic) Part design must account for PMMA's properties, particularly its transparency and flow limitations.
| Item | Description |
|---|---|
| Rib Design | Ribs should be about 60% of wall thickness to enhance part strength, with a slight draft angle to allow easy removal from the mold. |
| Boss Design | Design bosses with a diameter 2-3 times the screw diameter and a wall thickness 60% of the main wall to prevent sink marks, considering PMMA's shrinkage rate of 0.2-1%. |
| Snap-Fit Design | Use short, wide snap-fit cantilevers with generous radii, as PMMA's elongation at break is generally between 2-5%. |
| Hole Design | Maintain a minimum distance of 1.5 times the hole diameter from the edge to prevent cracking, given PMMA's notched impact strength varies between 10-20 J/m. |
| Wall Thickness Transitions | Use a 3:1 transition ratio to minimize stress concentrations, as abrupt changes affect PMMA's uniform cooling and shrinkage. |
| Tolerance | Commercial tolerances are 0.1 to 0.325 mm for parts under 160 mm, while fine tolerances (0.045 to 0.145 mm) suit smaller parts (≤100 mm). |
| Assembly Considerations | Design features for assembly, accounting for PMMA's thermal expansion and potential for stress cracking during joining. |
Injection Molded Arcylic Advantages
Acrylic (PMMA) molding offers several distinct advantages, primarily related to its optical clarity and aesthetic properties.
Injection Molding Acrylic Applications
Automotive Industry
- Tail light lenses
- Headlight lenses
- Instrument panel covers
- Interior light diffusers
- Navigation screen covers
Consumer Electronics
- Display screens
- LED light diffusers
- Light guides
- Touch panel overlays
- Optical lenses
Medical & Healthcare
- Diagnostic device housings
- Medical instrument lenses
- Fluid connectors
- Surgical light diffusers
- Incubator covers
Lighting Industry
- LED light covers
- Diffuser panels
- Streetlight lenses
