Polycarbonate (PC) CNC Machining Service

Get high-quality Polycarbonate (PC) CNC machined parts with excellent precision, strength, and durability. Our custom PC machining solutions deliver reliable performance, tight tolerances, and superior finishes for a wide range of industrial applications.

Transparent CNC machined polycarbonate enclosure with drilled mounting holes and threaded ports, polished clear

Polycarbonate (PC) in CNC Machining

Polycarbonate (PC) is a high-performance engineering thermoplastic known for its excellent impact resistance, transparency, strength, and dimensional stability. Its combination of toughness and lightweight properties makes it a reliable choice for CNC machining applications that require durable and precise components.

Available BrassPC Black, PC Transparent, PC White, PC Yellowish White, PC+GF30 Black
السعر$
المهلة الزمنيةأقل من 10 أيام
سُمك الجدارMinimum 0.8 mm
التفاوتات المسموح بها±0.125 مم (±0.005 بوصة)
الحد الأقصى لحجم الجزء1200 × 500 × 150 mm
Two transparent CNC machined polycarbonate blocks with central bores and threaded inserts, polished clear

PC CNC Machining Materials

Machined Polycarbonate (PC) Properties

Polycarbonate (PC) is a strong and transparent engineering thermoplastic widely used in CNC machining. Its excellent impact resistance, toughness, and dimensional stability make it suitable for producing reliable parts for demanding applications.

حد الانصياع (ميغا باسكال)
60–70
Heat Deflection Tem (°C)
140–150
الاستطالة عند الكسر (%)
100–150
الصلابة (برينل)
75–80
Temperature (°C)
147

Advantages and Limitations of PC CNC Machining

Polycarbonate (PC) is a popular material for CNC machining because of its excellent strength, impact resistance, transparency, and dimensional stability. However, it also has some limitations that should be considered when selecting it for a project.

المزايا
  • High Impact Resistance:
    Polycarbonate offers exceptional toughness and can withstand strong impacts without cracking, making it suitable for protective and safety-critical components.
  • Optical Transparency:
    Its clear appearance allows manufacturers to create transparent parts used in covers, windows, lenses, and viewing panels.
  • Lightweight and Strong:
    PC provides high strength while maintaining a low weight, helping reduce the overall weight of assemblies without compromising durability.
  • Excellent Dimensional Stability:
    The material maintains its shape and dimensions under different operating conditions, ensuring consistent part performance.
  • Good Heat Resistance:
    Polycarbonate can handle elevated temperatures better than many other plastics, making it suitable for demanding applications.
  • Easy Machinability:
    PC can be CNC machined into precise shapes and complex designs while achieving good surface finishes.
القيود
  • Prone to Scratching:
    Polycarbonate surfaces can scratch easily, which may affect appearance and optical clarity without proper finishing or protective coatings.
  • Limited UV Resistance:
    Long-term exposure to UV light can cause yellowing, surface degradation, and reduced material performance.
  • Chemical Sensitivity:
    Certain chemicals and solvents can damage polycarbonate parts, limiting their use in harsh chemical environments.
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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 الميزةالتسامح 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)
التسطيح0.02 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 الميزة0.5 ملم (0.020 بوصة)
التكرار±0.005 مم (±0.0002 بوصة)

Polycarbonate (PC) CNC Machining FAQs

Vapor polishing smooths the surface of polycarbonate parts by using a controlled vapor treatment that reduces surface imperfections. This process improves clarity, enhances gloss, and creates a cleaner finish for transparent components.

Yes, polycarbonate is suitable for many optical applications due to its excellent transparency and impact resistance. Additional finishing processes, such as polishing, can further improve surface clarity for lenses, covers, and viewing components.

CNC machining can produce polycarbonate parts in various sizes and complex geometries. Larger or highly detailed designs may require careful planning to maintain accuracy, prevent stress, and achieve the required tolerances.

Polycarbonate offers higher impact resistance and better toughness, while acrylic provides greater scratch resistance and optical clarity. The right choice depends on whether the application requires durability, transparency, or surface appearance.

Polycarbonate can yellow when exposed to prolonged UV radiation. UV-resistant coatings or protective finishes can help reduce discoloration and improve long-term outdoor performance.