Vuam Hlau Hlau Vuam Tswv Yim thiab Vuam Accessories
Manual welding txheej txheem:
1. Kev tshuaj xyuas ua ntej ua haujlwm
(1) Ntxig cov hlau nplaum rau hauv lub qhov (socket) uas tau teev tseg 3-5 feeb ua ntej vuam, thiab xyuas seb cov hlau puas kub. Yog tias nws tsis kub, ua ntej xyuas seb lub qhov (socket) puas yog ntsaws rau hauv zoo. Yog tias nws txuas rau, yog tias nws tseem tsis kub, hu rau tus thawj coj tam sim ntawd. Tshaj tawm, tsis txhob muab cov hlau sib cais ntawm qhov xav tau, cia nyob ib leeg kov lub taub hau hlau ncaj qha nrog koj txhais tes.
(2) Cov lus qhia soldering uas yog oxidized, tsis sib xws los yog muaj hooks yuav tsum tau hloov:
1) tuaj yeem ua kom muaj txiaj ntsig zoo thaum tshav kub kub;
2) xyuas kom zoo ntawm cov khoom yuav tsum tau welded. Yog hais tias ib tug tshiab soldering hlau taub yog hloov, cov xim tu yuav tsum tau muab tshem tawm tom qab rhuab thiab tin nkawm yuav tsum tau thov tam sim ntawd. Lub soldering hlau yuav tsum tau ntxuav ua ntej soldering. Yog tias cov hlau tsis siv ntau tshaj 5 feeb, lub hwj chim yuav tsum muab tua. Daim txhuam cev yuav tsum tau ntxuav. Cov sponges qias neeg uas muaj cov khoom siv hlau los yog cov ntaub txhuam hniav uas muaj cov tshuaj sulfur yuav ua rau cov hlau nplaum hlau puas.
3) Xyuas seb lub sponge desoldering puas muaj dej thiab huv. Yog tias tsis muaj dej, thov ntxiv cov dej uas tsim nyog (tus nqi tsim nyog txhais tau tias cov dej ntws tawm thaum daim txhuam cev yog nias rau ib nrab ntawm nws cov tuab tuab. Cov haujlwm tshwj xeeb yog: tom qab cov av noo xav tau yog tias daim txhuam cev ntub tag, Tuav nws. nyob rau hauv xib-teg ntawm koj txhais tes thiab kaw koj cov ntiv tes lawm). Daim txhuam cev yuav tsum tau ntxuav. Cov sponges qias neeg uas muaj cov khoom hlau los yog cov ntaub txhuam hniav uas muaj cov tshuaj sulfur yuav ua rau lub taub hau hlau ua kom puas.
4) Txawm hais tias tib neeg lub cev thiab cov hlau soldering muaj kev ntseeg siab, thiab seb tib neeg lub cev hnav lub nplhaib electrostatic.
2. Vuam cov kauj ruam
Cov kauj ruam ua haujlwm tshwj xeeb ntawm cov hlau vuam tuaj yeem muab faib ua tsib kauj ruam, hu ua tsib kauj ruam engineering. Yuav kom tau txais kev vuam zoo, koj yuav tsum ua raws li tsib txoj haujlwm raws li qhia hauv daim duab.
Soldering raws li cov kauj ruam saum toj no yog ib qho ntawm cov yuam sij kom tau txais kev sib koom tes zoo. Nyob rau hauv qhov tseeb ntau lawm, ib qho ntawm feem ntau ua txhaum ntawm kev khiav hauj lwm cov txheej txheem yog hais tias lub soldering hlau ntsis tsis hu rau lub soldered ib feem, tab sis ua ntej hu rau lub solder hlau. Lub molten solder drips ntawm qhov soldered uas tseem tsis tau preheated. Qhov no tuaj yeem yooj yim ua rau tsis muaj tseeb ntawm cov pob qij txha, yog li cov lus qhia ntawm cov hlau yuav tsum nyob rau hauv kev sib cuag nrog cov khoom yuav tsum tau welded. Preheating qhov chaw yuav tsum tau welded yog ib qho tseem ceeb txhais tau tias los tiv thaiv tsis tseeb soldering.
3. Vuam qhov tseem ceeb
(1) Txoj kev sib cuag ntawm lub taub hau hlau thiab ob qhov chaw yuav tsum tau welded
Kev sib cuag txoj hauj lwm: Lub taub hau hlau yuav tsum tau hu rau ob qhov chaw yuav tsum tau welded (xws li cov ceg thiab cov ntaub qhwv) tib lub sijhawm. Cov hlau soldering feem ntau yog tilted ntawm 45 degrees thiab yuav tsum tsis txhob sib cuag nrog tsuas yog ib qho ntawm cov khoom yuav tsum tau welded. Thaum lub tshav kub muaj peev xwm ntawm ob qhov chaw yuav tsum tau welded txawv heev, lub qaij lub kaum sab xis ntawm lub soldering hlau yuav tsum tau kho kom haum. Qhov me me qhov qaij lub kaum sab xis ntawm cov hlau soldering thiab vuam nto, qhov loj dua ntawm qhov chaw sib txuas ntawm qhov yuav tsum tau welded thiab cov hlau soldering nrog lub peev xwm loj dua, thiab qhov muaj zog dua qhov muaj peev xwm ua kom sov. Piv txwv li, lub inclination lub kaum sab xis yog hais txog 30 degrees thaum vuam LCDs, thiab lub inclination lub kaum sab xis thaum vuam microphones, motors, hais lus, thiab lwm yam yuav ua tau li 40 degrees. Ob qhov chaw yuav tsum tau welded tuaj yeem ncav cuag qhov kub thiab txias tib lub sijhawm, uas yog suav tias yog qhov zoo tshaj plaws cua sov lub xeev.
Kev sib cuag siab: Thaum lub taub hau hlau yog nyob rau hauv kev sib cuag nrog lub workpiece yuav tsum tau welded, me ntsis siab yuav tsum tau thov. Lub zog ntawm thermal conduction yog proportional rau tus nqi ntawm lub siab thov, tab sis lub hauv paus ntsiab lus yog kom tsis txhob ua kev puas tsuaj rau saum npoo ntawm lub workpiece yuav tsum tau welded.
(2) Muab txoj kev vuam hlau
Cov khoom siv vuam hlau yuav tsum tswj peb lub ntsiab lus tseem ceeb, uas yog lub sijhawm muab khoom, qhov chaw thiab qhov ntau.
Lub sij hawm muab khoom: Nyob rau hauv txoj cai, lub solder hlau yog muab tam sim ntawd thaum qhov kub ntawm lub workpiece yuav tsum tau welded mus txog lub melting kub ntawm lub solder.
Qhov chaw muab khoom: yuav tsum nyob nruab nrab ntawm cov hlau soldering thiab cov khoom yuav tsum tau soldered thiab ze li ntawm cov ntaub so ntswg li sai tau.
Kev muab khoom ntau: Nws yuav tsum nyob ntawm qhov loj ntawm qhov yuav tsum tau welded thiab lub ncoo. Tom qab lub solder npog lub ncoo, lub solder yuav tsum siab tshaj 1/3 ntawm txoj kab uas hla ntawm lub ncoo.
(3) Lub sijhawm vuam thiab qhov kub thiab txias
A. Qhov kub thiab txias yog txiav txim los ntawm kev siv tiag tiag. Nws yog qhov tsim nyog rau solder lub tin taw tes rau 4 vib nas this, thiab qhov siab tshaj plaws yuav tsum tsis pub tshaj 8 vib nas this. Saib xyuas lub taub hau ntawm lub taub hau ntawm lub sijhawm. Thaum nws hloov ntshav, qhov kub thiab txias tau teeb tsa siab dhau lawm.
B. Rau cov khoom siv hluav taws xob ncaj qha ncaj qha, teeb tsa qhov ntsuas kub ntawm cov hlau taub hau rau (350 ~ 370 degrees); rau saum npoo mount cov ntaub ntawv (SMC), teem qhov tseeb kub ntawm lub soldering hlau taub rau (330 ~ 350 degrees)
C. Cov ntaub ntawv tshwj xeeb yuav tsum tau teeb tsa tshwj xeeb ntawm cov hlau soldering kub. FPC, LCD connectors, thiab lwm yam yuav tsum tau siv nyiaj-muaj tin hlau, thiab qhov kub thiab txias yog feem ntau ntawm 290 degrees thiab 310 degrees.
D. Thaum welding loj tivthaiv pins, qhov kub thiab txias yuav tsum tsis txhob ntau tshaj 380 degrees, tab sis lub zog ntawm cov hlau soldering yuav nce.
