Hnav Cov Khaub Ncaws Zoo Li Qub Thiab Cov Khau Lawm Cov Khoom Uas Yuav Tsum Thaum Lub Tuam Rooj Vaj Huam Sib Luag

Mar 08, 2019 Tso lus

Cov khoom hluav taws xob raug muab tso rau hauv txhua lub hauv paus ntawm tib neeg lub neej, txawm nws yog peb lub xov tooj ntawm tes, cov computers, los yog TV thiab cov kev ua si uas peb saib xyuas rau kev lom zem; thiab qee qhov khoom siv zoo tshaj plaws peb xav kawm thiab sim ua cov khoom hluav taws xob. . Nws tuaj yeem hais tias cov khoom hluav taws xob tau ua kom yooj yim rau peb lub neej thiab ua haujlwm. Thiab ua li cas cov hluav taws xob cov khoom raug tsim los ntawm cov khoom me me, cov tshooj no yuav qhia cov txheej txheem tsim ntawm cov khoom siv hluav taws xob.

Lub rooj sib txoos thiab kab laug sab hauv kev sib sau los ua ke Kev sib dhos thiab sib tshooj ntawm cov ntawv cog lus sab nrauv Kev sib dhos thiab sib tshooj ntawm cov ntawv cog lus sab nrauv Kev sib koom tes thiab siv cov khoom siv hluav taws xob nyob ntawm cov qauv siv hluav taws xob, sib dhos. Cov khoom siv hluav taws xob feem ntau siv cov ntawv cog lus Circuit Court. Cheebtsam xws li resistors, capacitors, transistors, thiab circuits integrated yog siv rau ntawm lub rooj tsavxwm uas tau luam tawm raws li cov qauv tsim ua ntej tsim los ua ib feem ntawm cov khoom siv nrog tej yam hluav taws xob. 1.1.1.1. Cov ntawv cog lus luam tawm ntawm lub rooj laj kab txiav luam tawm ntawm lub rooj laj kab txiav daim ntawv sau qhia txog Circuit Board board circuit board, lus Askiv hu ua PCB (luam tawm Circuit Board) los yog PWB (luam daim txiag), yog ib qho tseem ceeb hauv tshuab, hu ua lub rooj sib tham "luam tawm" vim hais tias nws yog tsim los ntawm kev luam ntawv.

Cov ntawv cog lus Circuit Court tau muab faib ua cov ntawv ntim ib lub voj voos, ib lub voj voos khawm ntawm ob lub hau, thiab muaj ntau lub voj voos uas muaj ntawv tso tawm.

Qhov kev vaj huam sib luag yog tsim los ntawm ib lub substrate, ib lub xaim, ib lub ncoo thiab ib txoj kab laug sab. Lub vaj huam sib luag muaj tsuas muaj ib sab ntawm cov tooj ci, ib sab yog ib qho av, thiab sab nraud yog ib qho chaw tivthaiv, thiab tsuas yog siv rau cov khoom siv hluav taws xob tsawg. Lub vaj huam sib luag muaj ob tog sib xyaw nrog cov ntawv xov tooj ntawm ob sab, thiab daim ntawv thov tseem kim heev. Kev tsim kho ntawm cov cuab yeej siv hluav taws xob yuav tsum muaj kev sib koom ua ke thiab kev sib dhos, thiab kev siv ntau lub voj voog uas muaj daim ntawv cog lus yuav tsum tau mus txuas kev sib txuas lus nyuaj.

Cov khaub ncaws hnav zoo li qub thiab cov khau tiv thaiv tiv thaiv kev ruaj ntseg yuav tsum tau hnav thaum lub rooj sib txoos ntawm cov ntawv ntaws ntawm daim ntawv cog lus kom tiv thaiv tau hluav taws xob.

(1) Lub ntau yam khoom yuav tsum rov tuaj kuaj xyuas dua thiab npaj ua ntej raws li cov qauv kev sib tham ntawm cov khoom sib dhos. Cov khaub ncaws hnav zoo li qub thiab cov khau los tiv thaiv zoo li qub yuav tsum tau hnav thaum ua haujlwm. Cov khoom siv tsis raug cai yuav tsis siv.

(2) Txhawb lub tswv yim kom ua tau raws li txoj cai ntawm lub rooj tsavxwm. Cov ntsiab lus ntawm daim tawv nqaij yuav tsum tau ua raws li cov hauv qab no: tag nrho cov khoom ua rau yus yuav tsum tsis txhob raug nyom ntawm lub hauv paus, feem ntau yuav tsum yog ntau dua 1.5 hli. Vim hais tias ntawm kev tsim cov txheej txheem, cov hauv paus hniav yog yooj yim tawg; cov khoom nruab nrog ua ke yuav ua tau rau ntawm cov ces kaum, tab sis cov khoom sib dhos los ntawm lub tshuab yuav tsum tsis txhob nyom, thiab lub vojvoog ntawm lub nraub qaum yuav tsum loj tshaj 1 mus rau 2 npaug ntawm lub taub ntawm lub koob; Qhov kev tivthaiv ntsib nrog cov cim raug muab tso rau hauv txoj haujlwm yooj yim.

(3) Muab cov khoom txeem tso rau hauv pawg thawj coj saib xyuas. Cov kev cai yuav tsum muaj raws li nram no: kev tuav pov hwm thiab kev siv phom, cov cheebtsam uas yuavtsum tau kho kom zoo, xws li cov cua kub, cov hlua, cov khoom siv, thiab lwm yam ntawm lub hwjchim, thiab ces cov khoom yuav tsum tau siv thiab ua kom ruaj. Coj cov khaub ncaws hnav zoo li qub thiab cov khau los tiv thaiv kev ruaj ntseg thaum thawm hnub. Tsis txhob kov cov khoom ntim thiab cov ntawv ci ntawm daim ntawv luam tawm ncaj qha ntawm tes. Yog tias cov khoom siv tsis zoo tuaj yob thiab cov laug, cov khoom uas muaj qis dua yuav tsum muab tso ua ntej. Tom qab kev txhim kho cov khoom ua ke, cov khoom tseem ceeb tseem ceeb yuav tsum tau muab tso rau hauv lub pob kawg nkaus, thiab lub tshav kub lub dab, cov khib nyiab, daim duab, thiab lwm yam yuav tsum tau muab tso rau txoj hlua.

(4) Kev Tshawb Xyuas: Xyuas kom meej tias cov txheej txheem uas nyob hauv yog nyob rau hauv txoj hauj lwm kom yog thiab ua raws li cov kev cai.

Coj cov khaub ncaws hnav zoo li qub thiab cov khau tiv thaiv los tiv thaiv kom tsis txhob muaj hluav taws xob thaum siv cov laug thaij

Hauv qhov khoom loj hauv cov khoom hluav taws xob, cov kab laug sab ntawm cov ntawv luam tawm ntawm sab nraud yog qhov yoj yoj yawm suab thiab lub tsho qub.

(1) Cov kab hlau yoj ua ywj tho txhais tau hais tias lub plhaub taum plawv (hmoov txhuas txhuas) yog txau rau hauv ib lub ncov ci los ntawm tus tsim los ntawm lub tshuab fais fab lossis lub tshuab hluav taws xob electromagnetic, los yog yuav tsim los ntawm nitrogen mus rau hauv lub pas dej ua ke kom ua Cov ntawv sau ua ke nrog cov cheebtsam yog siv rau cov laug cejtshauj ntawm cov cheebtsam thiab kev sib txuas ntawm cov khoom ua haujlwm thiab cov khoom sib txuas ntawm cov ntawv sau.

Yoj ci tau zoo mas yog ua los ntawm tshuab yawm tshuab yawm suab. Nws yog cov tswj kev kaw lus, kev sib kis kab mob, lub tshuab ua kom zoo, lub tshuab ua ntses, lub tshuab da dej thiab cua txias cua txias.

(2) Dip welding Dip welding yog muab faib rau hauv kev tuav phau ntawv txhais lus thiab kev siv lub laub tawm. Kev tuav lub duav taub yog ib txoj hau kev uas muaj cov neeg ua hauj lwm muaj kev sib kho, clamps ib daim txiag sau ua ke nrog cov khoom txuam nrog, thiab muab nws tso rau hauv ib lub dab da dej ntawm lub qhov muag. Nws muaj peev xwm ua tiav ntau cov pob zeb qaum kev sib txuas ntawm pawg thawj coj saib xyuas ntawm ib lub sijhawm. Vuam. Tsis siv neeg txhais tau tias yog cov tshuab raj tshuab tsis zoo. Thaum lub rooj sib txuas ntawm daim ntawv luam tawm yuav tsum tau muab pov tseg nrog cov khoom xa tuaj rau hauv lub chaw nres tsheb, lub tshuab ci lub tsho loj tuaj, thiab cov khoom siv thiab luam tawm ntawm cov laug hauv plhaub taub hau. Tom qab lub sijhawm txaus, lub pas dej da dej muaj qis dua, muab tshem tawm ntawm lub kauj ruam, thiab txias rau ib qho laug khawm kom tiav lub khob. Vim tias qhov kev sib kis ntawm lub rooj sib txuas lus ntawm daim ntawv sib txuas, thaum lub sij hawm nyob hauv lub pas dej da dej, qhov sib txeeb ntawm cov hlau lead thiab lub kav hlau ciav hlau tshem tawm ntawm cov cua thiab cov pa roj volatilization roj thiab ua rau cov nyhuv ntxhe.

Tsis tas li ntawd, cov txheej txheem kev siv cov txheej txheem kuj yog ib qho tseem ceeb ntawm kev tsim khoom siv hluav taws xob. Kev siv vuam yog yuav tsum muaj nyob rau hauv cov khoom me me thiab cov khoom siv ntawm cov khoom siv vuam khoom. Lub cuab tam tseem ceeb rau tes txhais tau tias yog cov kav hlau, uas yog raws li lub hauv paus ntsiab lus uas tam sim no yog tsim los ntawm cov cua kub. Cov hluav taws xob tshuab hluav taws xob tsuas yog muaj ob hom hluav taws xob hluav taws xob thiab hluav taws xob kub txhua qhov hluav taws xob. Ordinary fais fab soldering irons muaj sab hauv tshav kub thiab sab nraud kub hom. Cov hluav taws xob fais fab tuag yog tsuas tsim rau lub sij hawm twg cov vuam tseev kom muaj tsis siab. Lub zog yog feem ntau 20-50W. Qhov tshav kub-generating tivthaiv ntawm cov hluav taws kub hom tshuab taws txhim kho yog nyob rau hauv cov kav hlau thiab cov cua kub tawm ntawm sab hauv ntawm lub kav hlau phaj, yog li nws yog hu ua cov hluav taws kub hauv tshuab taws. Nws muaj cov yam ntxwv ntawm kev kub ceev hluav taws xob, thermal efficiency ntawm 85-90% los yog ntau tshaj, me me, lub cev nyhav thiab tsawg zog. Ib qho tseem ceeb ntawm cov hluav taws xob kub qhov cub hluav taws xob kub yog tias nws muaj qhov ntsuas kub, qhov twg ua rau cov cua txias thiab cov ntsuas huab cua hloov tau siv rau cov laug cam, xws li lub xov tooj txawb ntawm lub xov tooj.

Cov kev qhia siv welding yog raws li nram no:

1 Npaj rau vuam. Ntxuav tej plua plav thiab roj rau ntawm qhov chaw vuam siv, ntxig rau cov khoom, thiab txuas cov xov hlau rau cov terminals los npaj rau qhov vuam.

2 kub vuam. Kov cov kab hlau uas muaj cov kav hlau yau nrog me me ntawm cov kab laug sab mus rau lub tshuab tiv thaiv ob peb feeb. Yog tias koj xav tshem cov khoom ntawm cov ntawv luam tawm, tom qab ntxeev qhov kub, maj mam rub lub tshuab nrog koj txhais tes los yog tus pas ntsuas seb puas yuav tshem tau.

3 Ntxuav qhov vuam ntom. Yog hais tias muaj ntau lub tsho ntev hauv qhov chaw laug, koj tuaj yeem tshem tawm cov kav hlau ntawm lub kav hlau yau (yuav tsum tsis txhob hlawv cov tawv nqaij los yog hauv lub rooj tsav xwm hauv lub luam tawm!), Tom qab ntawd siv lub tshuab fwj cua "to dip" . Yog hais tias lub khob sib dhos me heev thiab tsis du, koj siv tau cov hlau taws txhawm rau "snap" ib co looj txhawm rau kho lub pob zeb sib tshooj.

4 Xyuas cov pob yas qej txha. Saib seb cov yas dhos pob txha sib ti ua ke, ci iab, ruaj khov, thiab muaj cov pob zeb sib txuas nrog cov cheebtsam ncig.