Dab tsi yog cov txheej txheem soldering ntawm hluav taws xob soldering hlau?
1. Xyuas seb cov hlau nplaum puas yog av zoo ua ntej siv.
2. Ua ntej soldering, ua tib zoo saib seb lub zog ntawm cov hlau soldering puas haum rau qhov taw tes.
3. Ntxuav lub taub hau nrog ib daim txhuam cev thiab muab nws nrog tin.
4. Ntxuav cov khoom uas yuav tsum tau soldered, phaj lawv nrog tin, thiab ces solder lawv. Qhov kub thaum lub sij hawm soldering yuav tsum tsis txhob siab dhau thiab lub sij hawm yuav tsum tsis txhob ntev heev.
5. Ua tib zoo saib xyuas cov permeability ntawm cov pob qij txha, qhov sib nrug ntawm cov ntsiab lus, thiab kev sib koom ua ke ntawm rosin thiab solder paste.
6. Tom qab vuam, koj yuav tsum xyuas seb cov welded qhov chaw puas ploj, ploj, tsis raug, lossis luv luv.
soldering hlau
1. Hom thiab lub hwj chim ntawm cov khoom siv uas nquag siv
Feem ntau siv cov hlau soldering tau muab faib ua ob hom: hom cua sov sab hauv thiab sab nraud cua sov hom. Lub taub hau ntawm ib qho khoom siv hluav taws xob hauv tsev yog sab nraum cov cua sov hlau. Hom soldering hlau no heats sai sai thiab yog lub teeb yuag. Lub taub hau ntawm sab nraud rhuab soldering hlau yog ntxig rau hauv cov cua sov hlau. Txawm hais tias nws heats qeeb, nws kuj muaj zog.
Cov hlau soldering yog rhuab ncaj qha nrog 220V AC zog. Lub hwj chim qaum thiab lub casing yuav tsum tau insulated, thiab qhov kev tiv thaiv ntawm lub hwj chim qaum thiab lub casing yuav tsum siab tshaj 200M ohms.
Cov neeg nyiam siv hluav taws xob feem ntau siv 30W, 35W, 40W, 45W, thiab 50W soldering irons. Ib tug muaj zog soldering hlau muaj ib tug me me cua sov hlau kuj. Ohm txoj cai muab cov qauv: R=U/I=U/I*U/U=U^2/P
2. Kev ceev faj thaum siv cov hlau soldering
(1) Cov hlau uas tau muag tshiab yuav tsum tau dipped rau hauv ib txheej ntawm cov tin ua ntej siv (lub hwj chim ntawm cov hlau soldering, thiab tom qab ntawd siv lub tin bar ze rau lub ntsis thaum cov hlau soldering yog rhuab mus rau ib theem). Yog hais tias cov hlau soldering tau siv ntev heev, lub hau ntawm cov hlau soldering yuav tsum tau ua ntaub ntawv nws ci ntsa iab, ces tig rau hluav taws xob kom sov nws, thiab dilute lub soldering hlau taub hauv me ntsis rosin. Thaum cov rosin haus luam yeeb, thov cov tin, kom lub ntsej muag ntawm cov hlau taub hau yog thawj plated nrog ib txheej ntawm tin.
(2) Qhov kub ntawm cov hluav taws xob soldering hlau nce mus txog 250 degrees Celsius tom qab nws tau siv. Nws yuav tsum tau muab tso rau ntawm cov hlau soldering thaum tsis siv. Txawm li cas los xij, thaum tsis siv lub sijhawm ntev, cov khoom siv hluav taws xob yuav tsum raug txiav tawm kom tsis txhob cuam tshuam cov hlau nplaum ntawm qhov "hlawv" (oxidized) los ntawm qhov kub thiab txias. Nws yog ib qho tsim nyog los tiv thaiv cov hlau los ntawm kev kub hnyiab lwm yam, tshwj xeeb tshaj yog cov hlua hluav taws xob. Yog tias cov txheej txheej rwb thaiv tsev raug kub hnyiab los ntawm cov hlau soldering yam tsis tau saib xyuas, nws yuav yooj yim ua rau muaj kev nyab xeeb.
(3) Tsis txhob ntaus cov hlau soldering nyuaj kom tsis txhob tawg cov cua sov los yog cov hlau lead hauv cov hlau soldering thiab ua rau lub cev tsis zoo.
(4) Tom qab cov hlau nplaum tau siv rau ib lub sijhawm, tej zaum yuav muaj cov nplais nyob rau ntawm lub taub hau ntawm cov hlau. Peb tuaj yeem maj mam so nws nrog daim ntaub ntub dej thaum lub hlau soldering yog rhuab. Yog tias muaj cov pits lossis oxide blocks, siv cov ntaub ntawv zoo los kho lawv lossis hloov lub taub hau hlau ncaj qha.
