Me ke sa mahaɗin ya jure zafi?

Musamman, juriyar zafi ya dogara ne akan waɗannan girma uku:

1. Kayan rufin gida (roba)
Wannan shine "kwarangwal" na mahaɗin, wanda ke da alhakin gyara tashoshin da rufin. Yawancin lokaci ana auna juriyar zafi ta hanyar Ma'aunin Zafin Dangantaka (RTI), wanda ke wakiltar zafin da aikin kayan ke raguwa da kashi 50% a cikin awanni 100,000. Zaɓin kayan da ke da ƙimar RTI mai girma shine mabuɗin juriya ga tsufa na dogon lokaci na zafi.

Kayan filastik masu yawan zafin jiki sun haɗa da:
LCP (Liquid Crystal Polymer): Yana bayar da mafi kyawun aiki gabaɗaya, tare da juriyar zafin jiki na 290°C - 320°C, wanda galibi ana amfani da shi a cikin abubuwan SMT ko yanayin motoci masu zafi sosai.
PPS (Polyphenylene Sulfide): Babban tauri da kwanciyar hankali na girma, tare da yanayin zafi mai narkewa na kimanin 260°C.
Nailan mai yawan zafin jiki (kamar PA6T, PA46): Yana daidaita tauri da juriyar zafi, tare da juriyar zafin jiki na kimanin 260°C - 300°C.
PBT (Polybutylene Terephthalate): Juriyar zafi ta yau da kullun, tare da juriyar zafin jiki na kimanin 230°C, wanda aka saba amfani da shi a cikin na'urorin lantarki na yau da kullun.

2. Kayan Tashar Karfe (Kayan Hadin Tagulla)
Wannan shine "jijiyar" mahaɗin, wanda ke da alhakin gudanar da wutar lantarki. A yanayin zafi mai yawa, ƙarfe na yau da kullun suna da saurin sassauta damuwa, wanda zai iya haifar da raguwar sassaucin hulɗa, yana haifar da katsewar sigina ko ƙaruwar juriya. Saboda haka, yana da mahimmanci a zaɓi ƙarfe na tagulla waɗanda ke da ƙarfi wajen jure wa sassauta damuwa.
Beryllium Copper: Kyakkyawan sassauci, juriyar gajiya da juriyar zafi idan aka kwatanta da tagulla, wanda hakan ya sa ya zama zaɓi mafi kyau don amfani da shi a yanayin zafi mai faɗi da aminci.
Tagulla ta Phosphor: Ta fi tagulla ƙarfi, tana da ikon kiyaye sassauci na tsawon lokaci, wanda aka fi amfani da shi a yanayi inda zafin aiki yake ƙasa da 300°F (kimanin 149°C).

3. Tsarin Tsarin Gudanar da Zafi na Gabaɗaya
Wannan shine "tsarin kula da zafin jiki" na mahaɗin. Zafin Joule da wutar lantarki ke samarwa shine babban tushen tashin zafin ciki, kuma kyakkyawan tsari zai iya kawar da zafin yadda ya kamata, yana hana zafin ciki ya yi yawa.
Babban tsarin tazara: Ƙara tazara tsakanin tashoshi yana taimakawa wajen wargaza zafi ta hanyar amfani da iska.
Tsarin watsa zafi: Wasu masu haɗa motoci masu ƙarfi ko sabbin masu amfani da makamashi suna amfani da murfin ƙarfe ko wurin nutsewa na zafi, suna amfani da hanyar sadarwa da kuma hanyar convection don ɗaukar zafi.

Juriyar zafi na mahaɗin yana faruwa ne sakamakon haɗakar tasirin kayan aiki da tsari:
Roba shine tushe: yana ƙayyade matsakaicin zafin jiki na muhalli wanda mahaɗin zai iya jurewa (misali, ko zai iya jure wa solder mai yawan zafin jiki).
Karfe shine ginshiƙin: yana ƙayyade ko mahaɗin zai iya kiyaye haɗin roba mai inganci a ƙarƙashin yanayin wutar lantarki mai zafi mai tsanani na tsawon lokaci.
Tsarin yana da mahimmanci: yana ƙayyade yawan tarin zafi na ciki, wanda a ƙarshe yana shafar ainihin zafin aiki.