Cov hlau nplaum yog suav tias yog ib qho ntawm cov cuab yeej siv tshaj plaws uas tuaj yeem pom hauv tsev ntawm txhua tus tswv. Nws tsis yog tsim nyog los ua tus kws tshaj lij thiab cov kws tshaj lij. Tab sis txhua tus neeg sawv cev ntawm kev sib deev muaj zog yuav tsum muaj kev paub dav dav. Kev tawg ntawm cov xov hlau hauv cov khoom siv hluav taws xob, kev sib cuag hauv lub qhov (socket), lub mloog pob ntseg, kho lub rooj tsav xwm hauv Circuit Court yog qhov tshwm sim tsis tu ncua, ntsib tus neeg xav kawm paub yuav ua li cas rau solder.
Yuav ua li cas yog cov hlau nplaum?
Qhov no yog qhov tshwj xeeb 15W rau 40W cua sov emitting fixture, txaus rau solder xov hlau, boards thiab microcircuits. Muaj cov hlau nplaum, lub zog ntawm qhov ntau dua. Lawv yog npaj rau lub teeb soldering - rau soldering phem txuas xov hlau ntawm tuab txoj kab uas hla los yog rau soldering XLR connectors. Kev ua haujlwm ntawm cov cua sov hauv cov hlau nplaum yog ua los ntawm nichrome hlau, uas yog qhov txhab ntawm lub raj uas muaj "sting" - qhov chaw ua haujlwm ntawm lub cuab yeej. Lub taub yog ib tug pas nrig tooj liab uas yog cua sov los ntawm nichrome hlau.
Cov hlau nplaum siv tooj liab vim tias cov hlau no muaj cov thermal conductivity siab. Lub tshav kub muab rau cov hlau yog vim hluav taws xob tam sim no. Cov khoom siv hlau soldering muaj ib qho insulator, uas yog mica. Rau kev nyab xeeb vim li cas, nws tiv thaiv cov xov hlau los ntawm kev sib cuag nrog lub raj hlau thiab cov hlau soldering casing.
Yuav ua li cas xaiv hlau?
Kawm kom raug solder kom raug yog ib qho yooj yim, tab sis nrog cov cuab yeej xaiv zoo. Ntawm cov ntau yam ntawm cov cuab yeej no, tus tswv pib pib uas txiav txim siab los kho cov khoom siv hauv chaw ua haujlwm yuav tsum xaiv cov acoustic soldering hlau, uas yog me me thiab muaj kev ua haujlwm zoo. Nws muaj peev xwm tsis tshua muaj cua sov, uas yog qhov tsim nyog rau kev ua haujlwm zoo hauv kev sib dhos chip. Nws yog qhov zoo dua rau tus tswv tshiab los xaiv lub cuab yeej uas nws lub zog tsis tshaj 40 watts. Nws yog ib qho tseem ceeb uas cov hlau soldering kuj tsis muaj zog tshaj 15 W, vim hais tias lub hwj chim nyob rau hauv xws li ib yam khoom yuav tsis txaus txawm mus cuag tej yam yooj yim chaw ua hauj lwm cov khoom nyob ntawm tej. Nws yog qhov zoo dua los yuav ib lub cuab yeej nrog peb-txoj kev grounding plug. Nws lub xub ntiag yuav tiv thaiv kom tsis txhob muaj hluav taws xob tawg thaum lub sijhawm txav ntawm hluav taws xob mus rau lub raj hlau.
Industrial soldering hlau yog tsim rau txuas calibration xov hlau, chassis thiab stained iav ua hauj lwm.
Qhov twg zoo dua?
Ua haujlwm ntawm cov hlau nplaum, nyob ntawm qhov loj, muaj ob hom:
- Regular 0.5cm inch;
- me me nrog txoj kab uas hla ntawm 0.2cm,siv rau soldering nyias hlau thiab tooj liab qhov chaw.
Ua haujlwm ntawm cov hlau nplaum tuaj yeem ua rau hauv daim ntawv ntawm rab koob, lub khob hliav qab thiab spatula. Daim ntawv tom kawg yog qhov ntau tshaj plaws, vim nws ua rau nws muaj peev xwm rub tau qhov xav tau ntawm solder. Tsis tas li ntawd, rau qhov yooj yim ntawm soldering, lub ntsis tuaj yeem ncaj los yog nkhaus.
Yuav ua li cas yog lub hauv paus ntsiab lus ntawm soldering?
Cov txheej txheem soldering yog txuas ob lub ntsiab lus hlau siv peb (lub solder). Nyob rau hauv cov ntaub ntawv no, lub melting kub ntawm cov khoom yuav tsum tau siab tshaj li ntawm peb lub ntsiab, uas, nyob rau hauv lub molten lub xeev, nkag mus rau hauv lub qhov khoob ntawm cov khoom yuav tsum tau koom nrog, raws li zoo raws li nyob rau hauv lawv cov qauv, muab ib tug ntau ntawm cov khoom. mechanical kev twb kev txuas. Nyob rau tib lub sijhawm, kev sib cuag hluav taws xob tau pom ntawm cov khoom sib txuas.
Koj xav tau dabtsi rau haujlwm?
Cov txheej txheem soldering tsis nyuaj. Cov lus nug ntawm yuav ua li cas kawm kom solder los ntawm kos yog yooj yim daws. Ua li no, nws txaus kom tau txais cov khoom tsim nyog thiab, ua raws li cov lus qhia, pib kev cob qhia.
Kuv tuaj yeem kawm tau qhov twg?
Koj tuaj yeem cob qhia hauv tsev los ntawm kev siv cov khoom siv hluav taws xob zoo sib xws. Qhov tseem ceeb yog ua raws li cov lus qhia kev nyab xeeb.
Tej zaum yuav xav tau:
- soldering hlau (raws li cov kws tshaj lij, lub cuab yeej 20-40 W yuav txaus los ua haujlwm nrog cov xaim me me hauv hluav taws xob thiab xov tooj cua engineering);
- pliers;
- riam;
- txiab;
- set ntawm koob cov ntaub ntawv;
- sandpaper;
- daim kab xev;
- rosin;
- kub.
Lo lus nug "yuav ua li cas kawm rau solder" yuav raug daws tom qab ob peb qhov kev cob qhia. Tus pib yuav tau txais kev ntseeg siab thiab kev paub. Cov lus qhia ib kauj ruam dhau los rau kev soldering tuaj yeem pab nws hauv qhov no.
pib qhov twg?
- Npaj lub sting. Txhawm rau ua qhov no, siv cov ntaub ntawv pliers thiab koob, koj yuav tsum tau ntxuav qhov ua haujlwm ntawm cov hlau soldering. Lub sting yuav tsum muaj lub kaum sab xis ntawm 30-45 degrees. Nyob rau hauv cov kev tshwm sim hais tias lub ntsis yog puas, nws yuav tsum tau sharpened dua, muab qhov tsim nyog cov duab. Tom qab ntawd, lub taub yog tinned - lub rhuab soldering hlau yuav tsum tau dipped ua ntej nyob rau hauv rosin, thiab ces nyob rau hauv solder.
- Nws yog qhov tsim nyog rau kev nyab xeeb vim li cas los npaj ib txheej rau cov hlau nplaum. Qhov no yog vim lub fact tias cov cuab yeej yog rhuab mus rau ib tug kub ntawm ntau tshaj 300 degrees thiab ua hauj lwm nyob rau hauv high hluav taws xob voltage. Nws yog ib qho tseem ceeb kom optimize koj qhov chaw ua hauj lwm thaum lub sij hawm ua hauj lwm ntawm cov hlau soldering. Nws yog ntshaw kom siv ib daim ntawm textolite los yog plywood los ua ib lub hauv ob sab phlu. Tseem xav tau cov tais tshwj xeeb rau solder thiab rosin.
- Tshuaj ntxuav qhov chaw ntawm cov hlau txuas hauv qab lub tshuab. Ua li no, koj xav tau cov ntawv xuab zeb, hnyav lossis cov kua qaub. Nws yog ib qho tseem ceeb uas qhov chaw yuav tsum tau soldered tsis muaj roj, roj thiab lwm yam kab mob.
Ua haujlwm sequence
Yuav ua li cas kawm yuav ua li cas rau solder kom raug, nws yuav paub meej yog tias koj ua raws li cov lus qhia ib ntus. Yuav tsum tau:
- Nruab cov hlau nplaum ntawm qhov muag thiab tig nws.
- Dip in rosin. Qhov no yogua 5-7 feeb tom qab txuas rau lub qhov hluav taws xob. Lub hom phiaj ntawm cov txheej txheem no yog txhawm rau txheeb xyuas qhov kub thiab txias ntawm lub hau thiab tshem tawm cov nplai. Cov hlau soldering yog suav tias yog npaj rau kev siv yog tias rosin boils thiab melts. Yog hais tias nws tsuas yog softens, ces lub sting tsis rhuab txaus. Thaum lub soldering hlau overheats, rosin hisses thiab splatters. Hauv qhov no, lub cuab yeej yuav tsum txias me ntsis.
- Tinning nto. Molten solder npog cov pob qij txha ntawm cov khoom hlau.
- Nias lub tinned nto ua ke. Nyob rau hauv qhov chaw uas lawv tau ua ke nrog ib tug soldering hlau, thov ib tug tshiab ib feem ntawm solder. Cov khoom yuav tsum tau nias kom txog rau thaum lub solder txias thiab hardened.
Siv solder
Kev ua tiav zoo tuaj yeem ua tiav nrog kev xaiv cov khoom tsim nyog - cov hlau nplaum thiab cov hlau lead. Feem ntau cov solder yog POS-40 thiab POS-60. Lawv yog cov yam ntxwv los ntawm qhov tsis tshua muaj melting point (183 degrees) thiab yog siv nyob rau hauv feem ntau soldering ua hauj lwm los mus txuas steel ntsiab. Cov txheej txheem no yog nyob rau hauv daim ntawv ntawm ib tug hlau nrog ib txoj kab uas hla ntawm 2.5 hli, uas yog heev yooj yim rau kev ua hauj lwm nrog microcircuits.
Rau cov khoom siv txhuas, nws raug nquahu kom yuav ib qho tshwj xeeb aluminium solder. Thaum lub sijhawm ua haujlwm, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias, thaum rhuab, tin-lead compounds emit gases uas tsim kev puas tsuaj rau tib neeg. Yog li ntawd, ua hauj lwm nrog lawv yog pom zoo kom nqa tawm nyob rau hauv ib tug zoo-ventilated cheeb tsam nrogsiv lub tshuab ua pa tshwj xeeb, hnab looj tes thiab tsom iav.
Yuav kawm li cas rau cov hlau nplaum?
Yog li, yuav ua li cas txuas cov xov hlau? Kev ua haujlwm ib ntus yog tus qauv rau txhua hom kev sib txuas. Qhov txuas kawg ntawm cov xov hlau yog tinned. Tab sis rau txhim khu kev qha fastening, nws yog pom zoo kom nruj nreem twist lawv ua ke. Thaum lub sij hawm tus txheej txheem, lub ntsis ntawm lub soldering hlau yog qhia nrog ib tug tes mus rau lub junctions, thiab cov solder hlau yog nkag mus rau qhov chaw no nrog rau lwm yam.
Twisting wires tsis tau nyob rau qee kis. Tom qab ntawd qhov kawg ntawm cov xov hlau uas yuav tsum tau txuas nrog yuav tsum tau muab tso rau tib lub sijhawm thiab nyem nrog cov pliers. Kev ua haujlwm yog ua tiav nrog ib txhais tes, qhov thib ob yog coj lub taub hau ntawm cov hlau soldering nrog solder mus rau qhov sib txuas. Tuav qhov kawg ntawm cov hlau yuav tsum tau ua tom qab lub taub hau ntawm cov hlau soldering raug tshem tawm ntawm qhov chaw soldering.
Qee zaum yuav tsum tau txuas qhov kawg ntawm ib lub xaim mus rau nruab nrab ntawm lwm qhov. Twisting nyob rau hauv cov ntaub ntawv no yog ua los ntawm wrapping kawg ntawm cov hlau nyob ib ncig ntawm lwm yam uas nws txuas.
Nws yuav tsum nco ntsoov tias lub pob tw cov xov hlau tsis tuaj yeem ua tau, vim nws txoj kev ntseeg tau nyob ntawm lub zog ntawm cov khoom siv sib txuas.
Cov lus nug ntawm yuav ua li cas kawm yuav ua li cas solder xov tooj yog ib qho tseem ceeb ntawm cov neeg siv Internet. Tau paub txog cov txheej txheem ntawm kev sib txuas thiab kev sib txuas, cov kws ua haujlwm tau txais lub sijhawm los ntawm nws tus kheej, tsis muaj kev pabcuam los ntawm cov kws tshaj lij, ua ntau yam haujlwm hauv qab no:
- khoom siv cua sov tsis sib haum;
- hluav taws xob guitar qaum txuas ntxiv;
- txuas usb cable rau tus kav hlau txais xov, thiab lwm yam.
Qhov cua sov yog dab tsi?
Thaum sib txuas cov xov hlau, cov kws tshaj lij pom zoo kom siv cov cua kub tshwj xeeb shrink tubing. Lawv txoj kab uas hla yuav tsum yog ob npaug ntawm cov hlau. Lub raj yog muab tso rau ntawm ib kawg ntawm cov hlau. Tom qab nws cov mechanical coupling nrog lwm cov hlau thiab soldering, lub tshav kub ntsws yog dragged mus rau qhov chaw ntawm lawv cov kev twb kev txuas. Nws yuav tsum tau positioned kom 1 cm nyob rau hauv txhua txhua kawg ntawm lub seam. Lub tshav kub yuav tsum sib npaug zos thiab ua kom sov cov hlau txuas. Raws li qhov tshwm sim ntawm qhov kub thiab txias, lub raj yog kaw, muab kev ruaj ntseg rwb thaiv tsev hauv cheeb tsam kev sib txuas, nrog rau cov khoom siv hluav taws xob muaj zog.
Yuav kawm li cas rau cov laug cam?
Ua ntej pib ua haujlwm nyuaj, piv txwv li, ua haujlwm nrog cov diode strips, cov kws tshaj lij pom zoo kom cov neeg ua haujlwm tshiab tau txais cov pob nyiaj pheej yig. Tom qab kev cob qhia rau lawv thiab paub txog cov txheej txheem soldering txheej txheem, tom qab ib ntus tus pib yuav kawm yuav ua li cas rau solder microcircuits.
hom kev sib txuas no muaj cov kauj ruam ua tiav:
- Npaj. Ua ntej pib ua haujlwm, koj yuav tsum xyuas kom muaj kev sib txuas kom ruaj khov thiab txo qhov kev tiv thaiv. Txhawm rau ua qhov no, qhov saum npoo yuav tsum tau ntxuav kom huv si ntawm roj thiab hmoov av. Rau degreasing, koj tuaj yeem siv daim ntaub soap thiab dej soapy. Acetone yog siv thaum koj xav tau polish qhov chaw ntawm lub voj voog kom ci. Methyl hydrate raug pom zoo ua cov kuab tshuaj nyab xeeb dua. Nws tsuas zoo li acetone, tab sismuaj ntxhiab tsw tsw tsw.
- Qhov chaw ntawm qhov chaw ntawm lub rooj tsavxwm. Ua ntej koj kawm yuav ua li cas rau solder ib lub voj voog, koj yuav tsum paub qhov chaw ntawm tag nrho nws cov ntsiab lus. Nyob rau hauv thawj qhov chaw, lub tiaj tiaj yog raug rau soldering. Qhov no yog ib tug resistor thiab varistor. Tom qab ntawd mus rau lub capacitor, transistor, transformer, microphone thiab potentiometer. Cov kab ke no lav qhov kev nyab xeeb ntawm qhov kub thiab txias ntawm lub rooj tsavxwm.
- Cua sov qhov sib koom ua ke los txhim kho cov thermal conductivity ntawm cov hlau. Lub taub ntawm cov hlau soldering yuav tsum tau leaned tiv thaiv cov khoom ntawm lub voj voog rau ob peb feeb. Nws yog ib qho tseem ceeb kom tsis txhob overheating. Cov npuas tshwm rau saum npoo yuav ua tim khawv rau nws. Nyob rau hauv cov ntaub ntawv no, lub soldering hlau yuav tsum tau muab tshem tawm los ntawm lub soldering cheeb tsam.
- Thov siv lub tshuab. Nws tau ua tiav kom txog thaum qhov siab me ntsis tshwm ntawm daim duab.
- Kev rho tawm ntau dua. Nws yog nqa tawm tom qab hardening thiab txias ntawm lub solder. Nws raug nquahu kom tsis txhob maj, tab sis cia lub voj voog kom txias rau ib ntus. Qhov no yog qhov tseem ceeb vim tias koj tuaj yeem rhuav tshem cov kev sib txuas tau ua, thiab cov haujlwm yuav tsum tau ua dua.
Txhua tus txiv neej yuav tsum kawm paub yuav ua li cas rau solder circuits. Qhov no yuav ua rau nws tuaj yeem kho plugs, modems, thiab lwm yam nrog koj tus kheej tes.
Soldering raws li cov txheej txheem tsis txwv rau kev ua haujlwm nrog cov xov tooj tooj liab thiab microcircuits. Tau paub txog lub peev xwm los siv cov hlau nplaum ntawm cov xov hlau, koj tuaj yeem mus rau tom ntej, kev ua haujlwm nyuaj dua siv ntau yam solders thiab ntau yam hlau.
