Yuav ua li cas rau solder chips? Soldering hlau rau cov khoom siv hauv xov tooj cua: qhov twg xaiv?

Cov txheej txheem:

Yuav ua li cas rau solder chips? Soldering hlau rau cov khoom siv hauv xov tooj cua: qhov twg xaiv?
Yuav ua li cas rau solder chips? Soldering hlau rau cov khoom siv hauv xov tooj cua: qhov twg xaiv?

Video: Yuav ua li cas rau solder chips? Soldering hlau rau cov khoom siv hauv xov tooj cua: qhov twg xaiv?

Video: Yuav ua li cas rau solder chips? Soldering hlau rau cov khoom siv hauv xov tooj cua: qhov twg xaiv?
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Cov kws tshaj lij xov tooj cua tsis paub siv sijhawm qee zaum ntsib teeb meem ntawm kev hloov cov chips ntawm lub rooj tsav xwm luam tawm. Ua raws li cov txheej txheem yooj yim ntawm kev rhuav tshem cov khoom siv hauv xov tooj cua, feem ntau muaj kev sib txuas ntawm cov ntaub qhwv los yog kev puas tsuaj rau cov khoom siv tau vim yog overheating ntawm nws rooj plaub. Qhov teeb meem no tshwm sim vim qhov yuav tsum tau ua kom sov ntau ntawm ob txhais ceg tib lub sijhawm lossis tshem tawm solder los ntawm kev sib cuag ib qho los ntawm ib qho, uas ua rau lawv tawg.

Yog li ntawd, rau qhov zoo tshaj plaws dismantling, koj yuav tsum kawm kom zoo cov lus nug ntawm yuav ua li cas solder microcircuits, nrog rau cov hlau soldering xaiv kom tshem tawm cov khoom siv hauv xov tooj cua los ntawm lub rooj tsavxwm luam tawm.

txoj hauv kev los rhuav tshem cov chips

Ua ntej koj pib soldering microcircuits, koj yuav tsum txiav txim siab seb hom ntawm cov ntaub ntawv twg yog siv rau hauv ib rooj plaub. Txawm hais tias muaj ntau yam khoom siv hauv xov tooj cua, muaj ob lub ntsiab ntawm mounting microcircuits ntawm lub rooj tsavxwm luam tawm:

  • chip ob txhais ceg tau muab tso rau hauv qhov tshwj xeeb ntawm lub rooj tsavxwm;
  • nto mounting muab rau lub xub ntiag ntawm cov ntaub so ntswg ntawm lub rooj tsavxwm, uas ob txhais ceg ntawm lub xov tooj cua tivthaiv yog soldered.

Muaj ntau ntau yam cuab yeej siv uas tuaj yeem ua kom yooj yim cov txheej txheem tshem tawm nti:

  • ua kom sov ntawm qhov sib txuas ntawm lub xov tooj ntawm tes nrog rau txhais ceg ntawm lub xov tooj cua tivthaiv nrog ib lub hlau soldering;
  • dismantling lub nti siv cov hlau braid ntawm ib coaxial cable;
  • siv lub tshuab nqus tsev tshwj xeeb uas pab tshem tawm solder ntawm qhov chaw ntawm soldering;
  • siv koob kho mob rau kev rhuav tshem;
  • soldering cov nti siv cov hlau ua cov hlau kub;
  • siv cov khoom sib xyaw tshwj xeeb nrog qhov qis qis (Rose lossis Wood alloy).

Kev xaiv ntawm txoj kev rhuav tshem feem ntau yog nyob ntawm qhov kev paub ntawm cov yam ntxwv ntawm microcircuit (cua sov kub, hom rooj plaub), nrog rau cov kev txawj ntse ntawm xov tooj cua amateur.

Dismantling nrog ib tug soldering hlau

Unsoldering ib nti nrog cov pa roj carbon monoxide yog suav tias yog ib txoj haujlwm nyuaj. Ib tus kws paub txog xov tooj cua amateur tuaj yeem ua haujlwm zoo li no yam tsis muaj kev puas tsuaj rau cov neeg sib cuag ntawm lub rooj tsavxwm luam tawm thiab ib qho kev pabcuam.

Lub ntsiab lus ntawm txoj kev yog hloov pauv cov molten solder ntawm ob txhais ceg ntawm microcircuit. Nyob rau tib lub sijhawm, nws yog ib qho tseem ceeb uas lub taub hau ntawm cov hlau yog wetted nrog kua rosin (flux) txhua zaus, thiab tom qab ntawd cov khoom seem raug tshem tawm los ntawm kev so ntawm cov ntaub ntub dej.

Soldering lub chip nrog ib tug soldering hlau
Soldering lub chip nrog ib tug soldering hlau

Ua tiav ntawm kev tshem tawm nti yog ua tom qab tshem tawm cov khoom siv. Ua li no, ib feem yog hooked los ntawm sab ntawm lub rooj tsavxwm thiab sib cais, tom qab ib tug me ntsis warm-up ntawm kev sib cuag.qhov chaw. Lub zog yuav tsum tsis saib xyuas kom tsis txhob ua rau kev sib cuag lem.

Copper Braid Application

Ua ntej soldering microcircuits nyob rau hauv txoj kev no, nws yog ib qho tsim nyog yuav tau ua ntau yam kev npaj ua haujlwm. Txhawm rau ua qhov no, ua tib zoo tshem tawm cov ntaub thaiv npog los ntawm ib qho me me ntawm coaxial cable.

Tom ntej koj xav tau:

  • ntxuav thiab tin lub taub hau;
  • moisten ib daim ntawm tooj liab npo nrog flux;
  • xa cov braid rau cov neeg sib cuag ntawm microcircuit;
  • ua kom sov lub tshuaj tiv thaiv nrog cov hlau soldering, thaum lub solder yuav impregnate lub braid thiab tso ob txhais ceg ntawm lub xov tooj cua tivthaiv.
Kev siv braid rau dismantling
Kev siv braid rau dismantling

Cov braid yog cov khoom cua kub zoo, uas txo qhov muaj peev xwm ntawm overheating ntawm qhov chaw soldering. Nyob rau hauv lub network faib, koj tuaj yeem yuav ib qho npaj txhij-ua braid impregnated nrog rosin. Tab sis vim yog tus nqi ntau thiab siv cov khoom siv ntau, rau kev ua haujlwm ib zaug nws yog qhov zoo dua los ua nws tus kheej.

Tshwj xeeb braid rau desoldering
Tshwj xeeb braid rau desoldering

Siv lub nqus tshwj xeeb

Nqus nqus tsev vacuum ua kom yooj yim rau cov txheej txheem ntawm dismantling microcircuits, thiab tseem yog ib qho tseem ceeb heev cov cuab yeej rau soldering xov tooj cua Cheebtsam, zoo tshem tawm tshaj solder ntawm lub hlws ris.

Soldering lub xov tooj cua tivthaiv nrog suction
Soldering lub xov tooj cua tivthaiv nrog suction

Kev lag luam suction muaj cov hauv qab no:

  • tsev nrog lub tshuab nqus tsev;
  • tshav kub resistant spout;
  • ua haujlwm piston;
  • rov qab caij nplooj ntoos hlav.

Ua ntejtxhawm rau ua kom lub microcircuit, qhov nqus yuav tsum tau coj mus rau hauv txoj haujlwm ua haujlwm. Ua li no, nias lub piston thiab kho nws nrog lub ntsuas phoo.

Dismantling thev naus laus zis yog raws li hauv qab no:

  1. Cua cov hlau nplaum rau qhov zoo tshaj qhov kub.
  2. Tshuaj rau cov xov tooj ntawm cov xov tooj cua tiv tauj.
  3. Nias lub tshuab nqus tsev rau qhov sib txuas.
  4. Nias lub khawm tso tawm. Nyob rau hauv rooj plaub no, lub tshuab nqus tsev yog tsim nyob rau hauv lub hwj vim lub zog ntawm lub piston, thiab cov molten tin yog nqus mus rau hauv lub ntaus ntawv.
Dismantling lub microcircuit los ntawm lub tshuab nqus tsev vacuum
Dismantling lub microcircuit los ntawm lub tshuab nqus tsev vacuum

Thaum ua haujlwm ntau, lub tshuab nqus tsev yuav tsum tau ntxuav ib ntus.

Yuav ua haujlwm ib zaug, nqus tau nws tus kheej. Ua li no, nws yog ib qhov tsim nyog los tshem tawm lub piston los ntawm ib lub syringe kho mob yooj yim thiab ntxig rau lub caij nplooj ntoos hlav rau lub zog rov qab. Ib lub raj hlau ntawm ib txoj kab uas tsim nyog yuav tsum tau muab tso rau ntawm lub spout ntawm lub cuab yeej. Lub cuab yeej npaj tau.

Dismantling chip with a needle

Ntau zaus, cov kws tshaj lij xov tooj cua siv rab koob los ntawm lub koob txhaj tshuaj rau cov khoom siv microcircuits. Qhov txoj kab uas hla ntawm rab koob yog xaiv kom nws muab tso rau hauv lub qhov ntawm lub rooj tsavxwm, thiab cov ceg ntawm ib feem mus rau hauv nws. Tom qab khaws cov koob zoo li no, koj yuav tsum tau zom tawm qhov oblique txiav ntawm lub taub nrog cov ntaub ntawv rab koob mus rau lub kaum sab xis.

Muab rab koob rau ntawm ceg ntawm microcircuit, nws yog ib qho tsim nyog los ua kom sov qhov chaw sib cuag ntawm lub rooj tsavxwm nrog cov hlau soldering. Tom qab ntawd, thaum lub solder nyob rau hauv ib lub xeev molten, tig lub koob nrog maj mam txav thiab tso rau hauv lub qhov. Raws li qhov tshwm sim ntawm xws li kev ua, ceg ntawm ib feem yogcais tawm ntawm lub rooj tsavxwm. Tom ntej no, tib txoj haujlwm yog ua nrog ob txhais ceg ntawm microcircuit.

Tsis tas li, cov cuab yeej tshwj xeeb hauv Hoobkas tuaj yeem siv los ntxuav cov neeg sib cuag.

Industrial dismantling cuab yeej
Industrial dismantling cuab yeej

Soldering microcircuits nrog lub phaj

Qhov muaj ob peb txhais ceg ntawm microcircuit nyuaj rau cov txheej txheem ntawm ib txhij desoldering lawv los ntawm lub rooj tsavxwm. Yog li ntawd, cov kws tshaj lij hauv xov tooj cua feem ntau siv cov hlau tshwj xeeb kub ua cov nozzles kom sov ob peb tus neeg sib cuag ib zaug.

Cov txheej txheem ntawm kev rhuav tshem zoo li yooj yim. Ib lub phaj tshwj xeeb lossis rab chais hniav yooj yim yog siv ib txhij rau ob peb tus neeg. Cov hniav yog ces rhuab mus rau lub melting kub ntawm lub solder. Txij li thaj chaw cua sov tau nce, koj yuav tsum siv 40 W soldering hlau.

Thaum lub sijhawm cua sov ntawm lub tshav kub ua cov phaj, nws raug nquahu kom viav vias microcircuit me ntsis kom yooj yim cov txheej txheem ntawm kev tso ob txhais ceg ntawm solder. Tom qab tshem tawm ib kab ntawm kev sib cuag, lub phaj hloov mus rau lwm kab ntawm ob txhais ceg thiab ib qho kev ua haujlwm zoo sib xws tau ua kom txog thaum ib feem yog dawb huv ntawm lub rooj tsavxwm.

Siv tshwj xeeb alloys rau dismantling

Qhov txawv feature ntawm Rose lossis Ntoo alloys yog lawv qhov qis melting point. Yog li, Rose alloy muaj qhov melting point yuav luag ob zaug qis dua tin, txog 100 ℃. Cov cuab yeej ntawm cov khoom no tso cai rau nws siv tau zoo hauv cov txheej txheem ntawm kev tshem tawm cov xov tooj cua me me thiab microcircuits.

Lub tshuab siv tshuab muaj nyob rau hauv kev siv cov granules alloy raukev sib cuag, tom qab uas cheeb tsam no yog rhuab nrog ib tug soldering hlau. Ua tsaug rau cov alloy, lub solder melts tusyees ntawm qhov kub thiab txias. Nws tsuas yog ua tib zoo rub ib feem nrog tweezers.

Ntoo cov hlau muaj qhov qis qis qis (65-72 ℃), tab sis nws muaj cov tshuaj lom cadmium, uas txwv tsis pub siv hauv tsev.

Nws yog ib qho tsim nyog yuav tsum nco ntsoov tias tus pib siv xov tooj cua pib, ua ntej pib nrog kev rhuav tshem ntawm microcircuits, yuav tsum txiav txim siab seb cov hlau twg xaiv rau cov khoom siv hauv xov tooj cua. Qhov no yuav ua rau koj ua tiav txoj haujlwm zoo dua thiab ua tau zoo dua.

Tsim cov hlau nplaum

Ib tug hlau nplaum rau kev ua haujlwm tas mus li yuav tsum yog lub teeb hauv qhov hnyav, vim tias lub cuab yeej hnyav nrawm nrawm nrawm ntawm lub xov tooj cua amateur, vim nws qhov kev txav mus los ua tsis raug.

Tus qauv, cov hlau nplaum muaj cov hauv qab no:

  1. Tus kov ntawm lub cuab yeej tuaj yeem yog yas lossis ntoo. Cov tes tuav yas tuaj yeem ua kom sov heev, yog li lawv tau siv rau hauv cov khoom siv hluav taws xob tsawg. Cov cuab yeej muaj zog feem ntau yog nruab nrog cov tuav ntoo.
  2. Cov khoom cua sov ua los ntawm nichrome muaj cov mica, nyob rau sab saum toj ntawm cov kauv yog qhov txhab. Yog tias cov hlau hlawv tawm, ces nws nyuaj heev los hloov nws tus kheej. Ib tug soldering hlau nrog lub rhaub ceramic tsis muaj qhov tsis zoo no, tab sis yog ib qho khoom tawg yooj yim heev. Yog tias koj tsis txhob tso cov cuab yeej, cov ceramic yuav kav ntev heev.
  3. Lub taub hau hlau yog qhov chaw ua haujlwm tseem ceeb. Lub sting feem ntau yog ua los ntawm tooj liab. Yog hais tias tus sting burns, tsimnws ntxuav nrog ib cov ntaub ntawv nrog ib tug nplua notch. Muaj cov hlau nplaum uas hloov tau lub nozzles.
Soldering hlau nrog interchangeable nozzles
Soldering hlau nrog interchangeable nozzles

Kev faib cov hlau nplaum los ntawm lub zog

Lub zog ntawm cov hlau nplaum yog nws cov yam ntxwv tseem ceeb, uas cuam tshuam rau kev ua haujlwm zoo. Cov cua kub kub ntawm cov lus qhia ncaj qha nyob ntawm tus nqi ntawm qhov ntsuas no.

Los ntawm lub zog, cov hlau nplaum tuaj yeem muab faib ua pawg hauv qab no:

  1. Soldering irons txog 10 W yog siv los ua haujlwm nrog cov khoom nyias nyias thiab cov khoom siv hauv xov tooj cua me me.
  2. Soldering qhov chaw ntawm cov ntawv luam tawm yog qhov zoo tshaj plaws nrog cov hlau nplaum uas muaj zog ntawm 15-30 W.
  3. 40-60W soldering hlau feem ntau yog siv rau hauv tsev.
  4. Cov xaim hluav taws xob ntawm qhov loj hla ntu txuas nrog cov khoom siv nrog lub zog ntawm 80-100 watts.
  5. 200W soldering hlau yog tsim los rau cov qauv hlau uas siv cov kua qaub.

Muaj ntau txoj hauv kev los solder microcircuits los ntawm lub rooj tsav xwm luam tawm, uas muaj lawv tus kheej qhov zoo thiab qhov tsis zoo. Txoj kev twg los siv rau hauv ib qho xwm txheej tshwj xeeb yuav tsum tau txiav txim siab los ntawm xov tooj cua amateur nws tus kheej, raws li nws cov kev paub dhau los thiab kev muaj peev xwm ntawm cov cuab yeej siv.

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