Muzviitiko zvakawanda, chinhu chikuru chinokanganisa hupenyu hwesoldering ironmuromo ndiyo tembiricha yekudziya.
Kusati kwaitwa zviri pamutemo mirau yeRoHS (zvirambidzo pazvinhu zvine njodzi) musi waChikunguru 1, 2006, lead in solder wire inobvumidzwa.Mushure meizvozvo, kushandiswa kwemutobvu (uye zvinhu zvine hukama) kunorambidzwa kunze kwezvinotevera midziyo uye maitiro: midziyo yekurapa, yekutarisa uye yekuona midziyo, yekuyeresa midziyo nemidziyo kunyanya muminda yemauto neyemuchadenga zvinosanganisira ma sensors emotokari (automotive control system uye zvigadzirwa zveairbag. ), indasitiri yekufambisa njanji, nezvimwe.
Iyo yakajairika lead alloy tin waya inoratidzirwa neinonyungudika inosvika 180 madhigirii.Nzvimbo inonyungudika yewaya yakajairwa isina alloy tin inosvika madhigirii mazana maviri nemakumi maviri.Kusiyana kwekushisa kwe40 degrees kunoreva kuti kuitira kuti upedze zvinogutsasolderpamwe chete panguva imwe chete, tinoda kuwedzera kutonhora kwechiteshi chekutengesa (kana nguva yekutengesa ichiwedzerwa, zviri nyore kukuvadza zvikamu uye bhodhi rePCB).Kuwedzera kwekushisa kunoderedza hupenyu hwesevhisi yesimbi yekunyungudutsa uye kuwedzera iyo oxidation phenomenon.
Iyi inotevera nhamba inoratidza mhedzisiro yekuwedzera tembiricha pahupenyu hwebasa re soldering iron tip.Kutora 350 madhigirii seyereferensi kukosha, kana tembiricha ichiwedzera kubva pa50 madhigirii kusvika 400 madhigirii, hupenyu hwesevhisi yesimbi yekunyungudutsa huchaderedzwa nehafu.Kuwedzera tembiricha yebasa reiyo solder iron tip inoreva kuti hupenyu hwebasa reiyo solder iron tip inoderedzwa.
Kazhinji, tembiricha yekutengesa ye lead-isina solder alloy inokurudzirwa kuita 350 ℃.Nekudaro, semuenzaniso, nekuti saizi ye01005 mount mudziyo idiki kwazvo, tinokurudzira 300-degree soldering process.
Kukosha kwekururama
Iwe unofanirwa kutarisa kupisa kwekushanda kwechiteshi chekutengesa nguva dzose, izvo zvisingagoni kungowedzera hupenyu hwebasa resimbi yesimbi, asiwo kudzivirira kupisa kwakanyanya kana kuderera kwekushisa kwekutengesa paunenge uchitengesa zvigadzirwa.
Ose ari maviri anogona kukonzera matambudziko panguva ye soldering:
·Tembiricha yakawandisa: vazhinji vakadzidziswa maopareta vanozofunga kuti zvakakosha kuwedzera tembiricha yekubatira kuti igadzirise dambudziko kana vaona kuti solder haigone kunyungudika nekukurumidza.Nekudaro, kuwedzera tembiricha kuchaita kuti tembiricha munzvimbo yekudziya iwedzere zvakanyanya, izvo zvinozotungamira mukurwiswa kwepadhi, yakanyanya kupisa tembiricha, kukuvadza substrate uye majoini ekutengesa nemhando yakaipisisa.Panguva imwecheteyo, ichawedzera oxidation yesimbi yekunyungudutsa uye kukonzera kukanganisa kune soldering iron tip.
·Kunyanya kudzikira kupisa tembiricha kunogona kutungamira kune yakarebesa kugara nguva mukusodha uye zvakanyanya kutamisa kupisa.Izvi zvichakanganisa simba rekugadzira uye hutano hwemajoini anotonhora solder.
Naizvozvo, kuyerwa kwetembiricha kwakakosha kwakakosha kuwana tembiricha yekugadzirira soldering.
Nguva yekutumira: Kubvumbi-18-2022