Yuav ua li cas kom tswj tau zoo thiab txuas ntxiv lub neej ntawm lub taub hau hlau
Tom qab siv cov hlau lead-dawb soldering, lub neej ntawm soldering hlau taub yuav luv heev! Yuav ua li cas kom tswj tau cov hlau taub hau thiab txuas nws lub neej?
Cov qauv ntawm cov lus qhia dav dav feem ntau yog ua los ntawm tooj liab rau sab hauv, thiab yog plated nrog hlau (hlau plating) sab nraud. Lub hauv ntej kawg ntawm cov hlau plating txheej yog plated nrog tin (tin plating), thiab tom qab kawg yog plated nrog anti-oxidation chromium. Txij li cov tin thiab hlau yog ob qho tib si reactive hlau, lawv tuaj yeem yooj yim sib xyaw ua cov hlau sib xyaw, tshwj xeeb tshaj yog nyob rau qhov kub thiab txias. Ntxiv mus, cov flux siv thaum lub sij hawm vuam (tshwj xeeb tshaj yog cov nquag nquag ib qho) kuj yog ib qho catalyst uas ua rau lawv cov tshuaj tiv thaiv los tsim cov hlau sib xyaw.
Thaum siv lub taub hau ntawm lub taub hau thawj zaug, kho qhov kub ntawm 250 degree, tom qab ntawd ntxuav lub taub hau, thiab ntxiv ib txheej ntawm cov tin tshiab rau kev tiv thaiv. Thaum ua haujlwm soldering, ntxuav lub qub tin ntawm lub taub hau ua ntej, ces solder, thiab ces muab tso tseg. Rov qab mus rau qhov chaw muag khoom thiab rov ua cov haujlwm saum toj no thaum rov ua dua.
Cov khoom siv hauv paus ntawm lub taub hau yog ua los ntawm cov khoom siv tooj liab nrog cov khoom siv hluav taws xob zoo, thiab qhov saum npoo yog electroplated nrog hlau, tin thiab lwm yam khoom. Txij li thaum cov hlau taub hau oxidizes sai heev thaum ua hauj lwm ntawm qhov kub thiab txias, cov yeeb nkab steel yog ntxiv rau hauv lub raj tooj liab kom qeeb oxidation tus nqi. Thaum siv ib txwm, cov oxides hauv cov yeeb nkab steel yuav tsum tau muab ntxuav kom huv si raws sijhawm. Txoj kev tshwj xeeb yog tshem tawm cov hlau nplaum tom qab ua tiav txhua hnub (lossis ob peb hnub) thiab maj mam khob lub taub hau thiab hauv qab kom khob tawm cov oxides. Qhov no tuaj yeem tiv thaiv tag nrho Lub taub hau ntawm cov hlau yog sintered ntawm cov tub ntxhais cua sov.
Daim txhuam cev ntxuav yuav tsum tsis txhob muaj dej ntau dhau, thiab cov dej ntau dhau yuav tsum tau nyem tawm. Tsuas yog nyob rau hauv txoj kev no tuaj yeem ua rau lub taub hau hlau tau txais txiaj ntsig zoo. Kev siv daim txhuam cev tsis ntub dej yuav ua rau lub taub hau ntawm cov hlau tsis huv thiab ua rau nws tsis tuaj yeem tin.
Sim siv qhov kub thiab txias soldering. Yog hais tias qhov kub ntawm cov hlau taub hau tshaj 470 degrees, nws oxidation tus nqi yuav yog ob zaug ntawm 380 degrees.
Tsis txhob so lub taub hau ntawm lub taub hau kom huv si nrog ib daim txhuam cev ntxuav thiab muab tso rau hauv qhov muag muag. Nco ntsoov khaws cov hlau taub hau tinted kom tiv thaiv oxidation. Tua lub zog thaum tsis siv sijhawm ntev.
Thaum vuam, sim kom tsis txhob siv cov tin rau tib qhov chaw ntawm lub taub hau hlau kom tsis txhob muaj kev xeb hauv zos cuam tshuam rau kev siv tag nrho cov hlau taub hau. Thaum vuam, tsis txhob siv ntau lub zog, txwv tsis pub lub taub hau hlau yuav puas thiab deformed.
