Gubar ƙarfe ne mai nauyi mai guba. Yawan shan gubar da jikin dan adam ke yi na iya haifar da guba, kuma karancin shan gubar na iya shafar hankalin mutum, tsarin juyayi da tsarin haihuwa. Masana'antar hada-hadar lantarki ta duniya tana cinye kusan tan 60,000 na siyar a kowace shekara, kuma har yanzu tana ƙaruwa kowace shekara. Tushen masana'antu mai ɗauke da gishirin gubar da aka samar da wannan yana lalata muhalli sosai. Don haka, rage amfani da gubar ya zama abin jan hankali a duniya.
1. Me yasa ake amfani da nitrogen don gabatar da gubar -tsari kyauta
Gubar - Kyauta ta gabatar da sabbin buƙatu da yawa don siyarwar sake kwarara da sauran kayan aiki, musamman waɗanda suka haɗa da: mafi girman ƙarfin dumama, kwanciyar hankali na thermal ƙarƙashin babu-nauyi da yanayin lodi, kayan da suka dace da babban-aiki na zafin jiki, insulation mai kyau na thermal, ingantaccen daidaituwar yanayin zafi, ƙarancin nitrogen- iyawar hujja, sassaucin yanayin zafin jiki, da dai sauransu. da kaucewa da rage lahani na samfurori yayin aikin walda.
3. Lead{1}Haɗin lantarki kyauta yana da abubuwan buƙatu masu zuwa don nitrogen
1. Lokacin amfani da manna mai zafi mai girma - ko ƙananan - m, ƙananan -aiki (ba-tsabta, ƙananan- saura) manna solder;
2. Lokacin siyar da kayan haɗin haɗaɗɗen haɗin kai masu tsada, ƙananan ƙa'idodi{1} ƙarami, masu kyau{2} kayan aikin pitch, juye guntu, da abubuwan da ba za a iya gyara su ba;
3. Lokacin soldering mahara kwamitin taro tafiyar matakai ko mahara reflows na PCBs tare da OPS coatings.