CNC Machining in PMMA Material
At Jiangzhi, we specialize in custom CNC machining of acrylic components with high clarity, smooth finishes, and dimensional accuracy. Whether it’s a single prototype or a batch of custom CNC acrylic parts, we deliver consistent results every time.
Our PMMA CNC machining services are ideal for industries like: Electronics (displays, light guides, indicator panels), Medical (transparent enclosures, diagnostic covers), Retail & Display (POS displays, signage, covers), Consumer Products (light fixtures, decorative panels). We ensure every CNC acrylic part meets your expectations in terms of both function and appearance.
PMMA CNC Machining Capabilities & Options
The following CNC PMMA machining capabilities options are provided as a general reference and can be customized according to part requirements.
| Parameter | Recommended Range |
|---|---|
| Max Part Size | 1000×600×300 mm |
| Color Options | Clear / Transparent colors / Custom colors |
| Surface Finishes | Polished / Flame polished / As-machined / Painted |
| Tolerances | ±0.05–0.10 mm |
| Cost | ⭐⭐⭐☆☆ |
CNC Machining Acrylic Plastic
| Tensile Strength, Yield (MPa) | Elongation at Break | Hardness | Impact Strength | Heat Deflection | Heat Deflection Temperature | Melting Point |
|---|---|---|---|---|---|---|
| 48–76Mpa | 2–10% | M95–100 | 16–21J/m | 95℃ | 95–100°C | No distinct melting point (Tg ≈ 105°C) |
- The above parameters represent the baseline performance of the materials. Actual application should be dynamically optimized based on specific working conditions.
Related Process
Advantages & Disadvantages of Acrylic CNC Machining
When evaluating CNC PMMA machining for your application, weighing both the advantages and challenges of CNC acrylic plastic machining helps you make more informed, cost-effective decisions.
Advantages
- Exceptional clarity – ideal for transparent or semi-transparent components
- Excellent aesthetics – compatible with polishing and engraving
- Good dimensional accuracy – holds tight tolerances for display or fitment
- UV resistance – suitable for indoor and outdoor applications
Disadvantages
- Brittle nature – more prone to cracking than polycarbonate or ABS
- Lower impact resistance – not suitable for high-stress environments
- Edge chipping – requires precise CNC technique and tooling
- Heat sensitivity – PMMA may melt or deform under high-speed machining if not carefully controlled
PMMA CNC Parts Surface Treatment
Mechanical polishing or flame/chemical polishing can produce a high-gloss, transparent surface, enhancing optical clarity and aesthetic appeal. Polished surfaces are prone to scratches and fingerprints, so careful handling and protective packaging are required.
Sanding or light sandblasting can create a frosted or matte finish, reducing glare and hiding minor machining marks. This is often used for diffuser panels or decorative surfaces where transparency is less critical.
PMMA can be joined using compatible adhesives or solvent welding for structural assemblies or display constructions. Proper technique avoids clouding or cracking near the joint.
PMMA can be painted or coated for color or protection. UV-resistant coatings or anti-scratch coatings can improve durability. Masking is recommended for polished areas to maintain transparency.
Jiangzhi PMMA CNC Parts are Guaranteed
Yes. Acrylic is easy to machine and produces parts with excellent clarity and fine detail. It’s ideal for optical or display-related components.
Absolutely. CNC acrylic engraving offers clean, precise results for logos, symbols, or text. It’s great for both aesthetic and functional labeling.
CNC offers higher dimensional accuracy and clean edges for thicker parts, while laser cutting can leave slightly melted edges. CNC is better for complex 3D geometries.
With proper toolpath strategy and feeds/speeds, PMMA machining can minimize the risk of cracking or chipping. We use specialized tools to maintain edge quality.
We can machine from thin sheets (1mm) to thick acrylic blocks (up to 100mm or more), depending on your application.
Yes, we can provide an initial estimate. However, for precise pricing on CNC machining acrylic, we’ll need a CAD file or drawing.
