PMMA (Acrylic) CNC Machining Service
Get high-precision PMMA (Acrylic) CNC machined parts with excellent clarity, strength, and surface quality. Our advanced machining capabilities deliver accurate prototypes and production components with smooth finishes, complex geometries, and reliable performance for various industries.
PMMA (Acrylic) in CNC Machining
PMMA (Polymethyl Methacrylate), also known as acrylic, is a transparent thermoplastic widely used in CNC machining due to its excellent optical clarity, lightweight properties, and weather resistance. It offers a smooth surface finish and good dimensional stability, making it suitable for precision components that require both functionality and visual appeal.
| Available PMMA Grades | PMMA Black, PMMA Transparent, PMMA White |
| السعر | $ |
| المهلة الزمنية | أقل من 10 أيام |
| سُمك الجدار | Minimum 0.8 mm |
| التفاوتات المسموح بها | ±0.125 مم (±0.005 بوصة) |
| الحد الأقصى لحجم الجزء | 200 × 80 × 100 سم |
PMMA CNC Machining Materials
Machined Acrylic (PMMA) Properties
PMMA (Acrylic) is a transparent engineering thermoplastic known for its excellent optical clarity, weather resistance, and smooth surface finish. Its balanced properties make it suitable for CNC machined parts that require both visual appeal and reliable performance.
Advantages and Limitations of PMMA (Acrylic) CNC Machining
PMMA (Acrylic) CNC machining provides excellent optical clarity, lightweight performance, and weather resistance, making it suitable for many precision applications. However, it also has some limitations that should be considered during material selection.
- Excellent Optical Clarity:
PMMA offers outstanding transparency, making it ideal for clear covers, lenses, display components, and optical parts. - Lightweight Material:
Acrylic is lighter than glass while providing similar visual clarity, making parts easier to handle and integrate into assemblies. - Good Weather Resistance:
PMMA performs well against UV exposure and outdoor conditions, helping maintain appearance and performance over time. - Versatile Applications:
CNC machined acrylic parts are used in industries such as automotive, medical, electronics, lighting, and consumer products. - Easy Machinability:
PMMA can be CNC machined with high precision to create complex designs and achieve smooth surface finishes.
- Brittle Material:
Although durable, PMMA can crack or chip under heavy impact or excessive mechanical stress. - Scratch Sensitivity:
Acrylic surfaces can scratch easily, so careful handling and finishing are required to maintain appearance. - Thermal Expansion:
PMMA expands and contracts with temperature changes, which may affect dimensional stability in high-temperature environments.
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بدءًا من النماذج الأولية السريعة وصولاً إلى الإنتاج القابل للتوسع، تقدم شركة Tuowei Precision خدمات تصنيع موثوقة باستخدام الحاسب الآلي (CNC) تتسم بالدقة والاتساق في كل خطوة. ابدأ مشروعك اليوم.
- مهارات هندسية راسخة.
- دعم المشاريع العالمية
- حلول CNC المتقدمة
- المشاركة في إنشاء المنتجات.
- قدرة إنتاج قابلة للتوسيع.
- جميع التحميلات آمنة وسرية
التفاوتات المسموح بها في التصنيع باستخدام الحاسب الآلي
تعمل ماكينات التحكم الرقمي بنظام التحكم الرقمي لدينا بتفاوتات تفاوتات دقيقة تفي بمعايير الصناعة، مما يضمن دقة كل جزء بدقة متناسقة وملائمة تمامًا مع المكونات الأخرى.
| نوع الميزة | التسامح النموذجي |
|---|---|
| التسامح العام للأبعاد العامة | ±0.025 مم (±0.001 بوصة) |
| تحمّل عالي الدقة | ±0.005 مم (±0.0002 بوصة) |
| قطر الحفرة (مثقوبة) | ±0.05 مم (±0.002 بوصة) |
| قطر الفتحة (معاد تثبيته/مملول) | ±0.01 مم (±0.0004 بوصة) |
| قطر العمود (المشغول بالخراطة) | ±0.01 مم (±0.0004 بوصة) |
| التسطيح | 0.02 مم لكل 100 مم |
| التوازي | ± 0.02 مم |
| التعامد | ± 0.02 مم |
| خشونة السطح (Ra) | 1.6–3.2 ميكرومتر (63–125 ميكرون بوصة) |
| التسامح الموضعي | ± 0.01 مم إلى ± 0.02 مم |
| تفاوت اللولب (القطع) | 6H / 6g (ISO) أو الفئة 2A/2B (ANSI) |
| الحد الأدنى لحجم الميزة | 0.5 ملم (0.020 بوصة) |
| التكرار | ±0.005 مم (±0.0002 بوصة) |
PMMA (Acrylic) CNC Machining FAQs
What speed is optimal for CNC machining acrylic?
The ideal CNC machining speed for acrylic depends on the part design, thickness, tooling, and required finish. Using higher spindle speeds with proper feed rates helps achieve smooth cuts while reducing the risk of cracking, melting, or chipping.
Which CNC tool is most effective for cutting acrylic?
Carbide and diamond-coated cutting tools are commonly used for acrylic CNC machining. These tools provide clean cuts, improve surface quality, and help reduce chipping during the machining process.
Is PMMA (Polymethyl Methacrylate) durable?
Yes, PMMA offers good durability along with excellent UV and weather resistance. It is suitable for indoor and outdoor applications where long-term clarity and stable performance are required.
Are CNC routers capable of cutting acrylic?
Yes, CNC routers can effectively machine acrylic when the correct tools and machining parameters are used. Proper cutting speed, feed rate, and tooling selection help achieve accurate parts with smooth finishes.
Is acrylic suitable for CNC machining?
Yes, acrylic is highly suitable for CNC machining due to its excellent transparency, lightweight properties, and ability to achieve precise details. It is commonly used for prototypes, optical components, displays, covers, and custom parts.