This beverage dispensing machine PCBA addresses the unique requirements of food-grade automation, combining robust performance with hygiene-compliant design. . 4-katman FR4 PCB (Tg≥150°C, 1.6mm kalınlığı) ensures mechanical stability and signal integrity, while the multi-layer architecture separates power and signal domains to prevent interference in liquid control systems.
- Yazdır Yapıştır:
- Stencil printing of food-grade compatible solder paste (lead-free SAC305) ±%5 hacim doğruluğu ile 0402 components.
- SPI (Lehim macun muayenesi):
- 3D optical verification of paste deposition to prevent bridging or insufficient solder in food-contact areas.
- Seçmek & Bileşenleri Yerleştir:
- Yüksek hassasiyetli yerleştirme (±30μm) SMT bileşenlerinin, including microcontrollers, solenoid drivers, and moisture-resistant sensors.
- Yeniden Akış Lehimleme:
- Azot destekli yeniden akış (zirve 260°C) to ensure void-free joints on ENIG surfaces, critical for corrosion resistance.
- AOI (Otomatik Optik İnceleme):
- Post-reflow inspection for solder joint defects, component misalignment, and contamination risks.
- Tht (Delikten teknoloji):
- Insertion of through-hole connectors and relays for high-current liquid valve control.
- Dalga lehimleme:
- Kurşunsuz dalga lehimleme (250-260°C) with nitrogen, ensuring reliable connections for power-intensive components.
- El Lehimleme:
- Precision manual soldering for food-grade connectors and temperature-sensitive sensors.
- Toplantı:
- Integration of waterproof enclosures, anti-microbial coatings, and food-safe gaskets.
- OG Testi (Fonksiyonel Test):
- Custom testing for liquid flow control, temperature regulation, and dispenser logic.
- KG Denetimi:
- IPC-A-610 Sınıfına göre son denetim 2 and food industry standards (Örn., NSF/ANSI 61).
- SPI: Ensures solder paste consistency to prevent metal migration in food-contact zones.
- AOI: taramalar 100% of joints for defects that could lead to contamination or system failure.
- Fai (İlk Ürün Kontrolü): Comprehensive evaluation including material certification for food compatibility.
- Röntgen Muayenesi: Verifies hidden solder joints in BGA components for long-term reliability.
- İşlev testi: Simulates dispensing cycles, temperature fluctuations, and moisture exposure.
- PCB İmalatı:
- 4-layer FR4 with 1.6mm thickness, 1OZ bakır, and ENIG finish, designed for moisture resistance.
- Bileşenlerin Dış Kaynak Kullanımı:
- Sourcing of food-grade certified components (Örn., IP67 connectors, NSF-listed sensors).
- SMT&THT Entegrasyonu:
- Mixed technology assembly supporting solenoid drivers, flow meters, and touchscreen interfaces.
- Test & Sertifikasyon:
- Compliance with NSF/ANSI 61 (drinking water systems), ROHS, ve ISO 9001:2015.
- Commercial Coffee Machines: PCBA for espresso systems, milk frothers, and temperature control.
- Soda Vending Machines: Controls for carbonation, syrup mixing, and dispensing valves.
- Beverage Brewing Equipment: PCBA for craft beer dispensers, cold brew systems, and tap management.
- Water Dispensers: Filters, heaters, and UV sterilization control modules.
