Hozirgi vaqtda keng tarqalgan yamoqli LED chiroq boncuklari mavjud. Katta temir payvandlash: 1. Lehimlash temirining harorat talablari 300 S dan oshmaydi; 2. Payvandlash vaqti 3 soniyadan kam; 3. Payvandlash joyi kolloiddan 2 mm dan ortiq bo'lishi kerak. Yuqori payvandlash: 1. Payvandlash paytida harorat talablari 260 S dan oshmaydi; 2. Payvandlash vaqti 5 soniyadan kam; 3. Namlangan payvandlashning joylashuvi kolloiddan 2 mm dan ortiq bo'lishi kerak. Yuqorida yamoq LED chiroq boncuklarının payvandlash usuliga kirish. Tushunyapsizmi?
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