Yuav ua li cas yuav ua rau ib tug soldering hlau nrog lawv ob txhais tes. Qhob soldering: tswvyim

Ib lub cuab tam xws li ib tug soldering hlau yog indispensable rau xov tooj cua amateurs, tab sis deb ntawm lub tshuab hluav taws xob cov khoom thiab yam ntawm cov neeg tsis xav txog nws tsim nyog, thawj tshaj plaws. Tej zaum kuj muaj tej yam teeb meem uas yuav tau kho tsuas nrog kev pab los ntawm qhov cuab tam, thiab yog hais tias tsis yog, yuav ua li cas? Yog hais tias qhov teeb meem yog ib tug-off, muaj yog tsis muaj yuav tsum tau mus rau qhov ze lub khw thiab yuav ib qho kim cov khoom. Koj muaj peev xwm muab tso rau hauv ib lub me ntsis kev rau siab thiab nrog rau cov kev pab los ntawm tej yam yooj yim Cheebtsam yuav sib sau ua ke ib qhob soldering. Muaj ntau ntau cov kev xaiv rau lub rooj sib txoos ntawm no ntaus ntawv - ib tug zoo rau tej lawv.

Tus ntaus ntawv yog ib tug resistor

Qhov no yog ib tug yooj yim heev tab sis tsis tshua txhim khu kev qha ntaus ntawv. Tom tsev, nws yuav siv tau nyob rau hauv ntau txoj kev. Nyob rau hauv lub tsim thiab lub hwj chim lawv yuav soldering microelectronics kom txog rau thaum phau ntawv sau. Loj ntaus ntawv tso cai txawm lub solder lauj kaub los yog lwm yam loj yam khoom. Xav txog yuav ua li cas yuav ua rau ib tug soldering hlau nrog lawv ob txhais tes.

Scheme nthuav vim hais tias resistor, tus uas tsim nyog hwj chim yog siv raws li ib tug rhaub. Nws yuav ua tau PE los yog xaws. Powered rhaub los ntawm lub tsev network. Cov kuj extinguishing cia yuav daws tau ntau yam kev pab raws qib rau lub scale.

Peb ua suav

Ua ntej xa mus rau lub rooj sib txoos, nws yog tsim nyog los ua ib co lus teb. Yog li ntawd, rau qhov siv thiab ua cov pab kiag li lawm nrog cua kub lub ntsiab ntawm lub resistors yog txaus yuav tsum nco ntsoov Ohm txoj cai los ntawm lub tsev kawm ntawv physics kawm thiab lub hwj chim mis.

Piv txwv li, koj muaj ib tug haum yam khoom hom PEVZO nominal tus nqi ntawm 100 ohms. Koj sau nyob rau nws puag los tsim ib lub cuab tam rau siv nyob rau hauv tsev neeg hluav taws xob tes hauj lwm. Los ntawm kev siv daim ntawv no koj tau yooj yim xam tsis. Yog li, thaum ib tug tam sim no ntawm 2.2 Ib qhob soldering yuav haus 484 watts ntawm lub hwj chim. Hais tias yog ib tug ntau. Yog li ntawd, siv lub damping kuj ntawm lub ntsiab tsim nyog los txo tam sim no plaub lub sij hawm. Tom qab no daim duab yuav txo tau rau 0,55 A. Tus voltage rau no resistor yog nyob rau hauv lub chav 55 V, thiab ib lub tsev network - 220 V nominal damping kuj yuav tsum tau 300 ohms. Lub capacitor yog haum rau voltages mus txog rau 300 V. Nws muaj peev xwm yuav tsum yog 10 microfarads li lub caij.

Soldering hlau 220: los ua ke

Raws li tus pas nrig yog pom zoo, tej haum loj ntawm liab tooj liab pas nrig. Nws yuav tsum tau nyob rau hauv lub resistor bore nrog lub me tshaj tau kis. Thaum assembling nws yog tsim nyog los sau ib silicate nplaum.

Tej zaum ib tug me ntsis ntawm cov kua nplaum thiab paug rau tej yam ntawm tshav kub, tab sis nws yuav dampen lub system ntawm lub web thiab cov cua kub kauj. Qhov no yuav tiv thaiv tau tej hub puag resistor tau tej kab nrib pleb.

Lwm nplaum txheej tiv thaiv los ntawm backlash nyob rau hauv no tseem ceeb heev qhov chaw. Hlau cores yuav rho outwardly los ntawm cov lus qhib nyob rau hauv lub raj-pas nrig. Qhov no tswvyim yuav pab koj to taub yuav ua li cas ua lub soldering txhim khu kev qha, npaum thiab pheej yig, thiab muaj kev nyab xeeb.

Yuav kom tsis txhob muaj teeb meem, nws yog zoo dua ntxiv dag zog rau rwb thaiv tsev nyob qhov twg cov nyob ntawm tej yog kev cob cog rua rau lub rhaub. Rau no haum asbestos xov, thiab lub tes tsho ntawm tej hub lub cev. Tsis tas li ntawd, koj yuav thov tau cov elastic roj hmab nyob rau kis twg lub hwj huam qaum nkag mus rau hauv kov.

Hais tias yog heev yooj yim mus ua soldering los ntawm txhais tes. Nws thickness yuav txawv. Ua li no, koj cia li xav mus hloov cov capacitor nyob rau hauv lub Circuit Court.

Mini Soldering Hlau

Qhov no yog lwm yooj yim tswvyim. Xws li ib tug lub cuab tam yuav ua hauj lwm nrog ntau pab kiag li lawm los yog miniaturized qhov chaw. Nrog nws, koj muaj peev xwm rho thiab solder mloog xov tooj cua thiab microcontrollers yooj yim. Ntaub ntawv rau cov creation ntawm cov khoom no yog nyob rau hauv txhua tus tswv. Koj yuav kawm tau li cas yuav ua rau ib tug soldering hlau, ces nws yuav tau yooj yim yuav tau koom ua ke los ntawm nkag muaj nyob rau ntaub. Fais fab yog muab los ntawm domestic transformer - haum cov neeg ua los ntawm tej qub TV cheb. Raws li siv nyiaj daim 1.5 hli tooj liab hlau. Length ntawm 30 mm yog tsuas tso rau hauv lub caij cua kub.

Peb tsim raj-puag

Nws yuav tsis cia li yuav lub handset thiab lub hauv paus ntawm lub caij cua kub. Nws muaj peev xwm yuav dov tooj liab ci. Ces nws yog them nrog ib tug nyias txheej ntawm tshwj xeeb hluav taws xob insulating muaj pes tsawg leeg. Muaj pes tsawg leeg ntawm no yog tseem heev yooj yim thiab yooj yim rau ua. Suffice nws los mus sib tov talc thiab calcium silicate kua nplaum, grease lub raj thiab qhuav nws nyob rau hauv cov roj.

ua rhaub

Yuav kom peb soldering, tau nrog nws tus kheej txhais tes, yuav txaus txaus siab rau lawv muaj nuj nqi, nws yog tsim nyog los poob ib tug rhaub rau nws. Koj ua qhov no yuav tsum tau ib daim ntawm nichrome hlau. Yuav kom daws tau qhov teeb meem peb coj 350 hli khoom thickness ntawm 0.2 hli thiab lub qhov txhab nyob rau hauv ib tug npaj raj. Thaum koj poob lub hlau, muab lub coils heev ze rau txhua lwm yam. Tsis txhob hnov qab mus rau tawm lub xaus ntawm lub ncaj-cov lus xaus. Tom qab winding lub kauv txhuam nrog ib tug sib tov ntawm talc thiab kua nplaum thiab cia kom qhuav mus ua kom tiav ci.

tiav tej yaam num

Qhov thib peb kauj ruam yog ntxiv rwb thaiv tsev thiab installation ntawm lub rhaub nyob rau hauv ib tug tin lub cev.

Qhov no ua hauj lwm yuav tsum tau ua zoo zoo heev. Qhov xaus ntawm lub Nichrome hlau, uas los ntawm peb lub rhaub yuav tsum tau kho nrog ib tug insulating cov ntaub ntawv uas. Nyob rau hauv tas li ntawd, tus tua sib tov tag nrho cov kab noj hniav uas yuav tshwm sim los ntawm ib tug tsis muaj tseeb.

Cov hauj txheej txheem ntawm manufacturing lub twj paj nruag muab kev tiv thaiv pin rhaub kub-resistant insulating cov ntaub ntawv thiab rub lub qaum los ntawm cov lus qhib nyob rau hauv lub kov ntawm lub soldering hlau. Ntswj kom nruj qhov xaus ntawm lub hwj huam mov nyob ntawm tej rau cov terminals ntawm lub rhaub, ces tag nrho cov tib zoo insulate.

Nws tseem mus pob rau hauv lub caij cua kub nyob rau hauv ib tug tsev nyob ntawm daim ntawv hlau, thiab ces ntseeg nkaws muab tso rau hauv qhov chaw.

Tam sim no koj muaj peev xwm siv cov khoom no. Yog hais tias koj tau ua txhua yam kom raug, koj tau ib tug zoo soldering hlau nrog lawv ob txhais tes ua ke. Nrog nws, koj muaj peev xwm solder ntau nthuav schemes.

Lub tej yam me me tsim ntawm tus resistors tsis hlau

Qhov cuab yeej no yog zoo tagnrho rau cov me chaw ua hauj lwm. Vim nws yog heev yooj yim mus solder txawv chips, SMD-qhov chaw. Khoom tswvyim yog yooj yim, nrog rau cov los ua ke yuav tsis muaj tej teeb meem.

Peb yuav tsum tau ib tug mlt hom resistor 8 rau 12 ohms. Lub hwj chim dissipation yuav tsum 0.75 watts. Tsis tas li ntawd xaiv ib tug haum tsev nyob ntawm lub automatic cwj mem, tooj liab hlau ntawm lub 1 hli, ib daim ntawm steel hlau 0.75 hli tuab daim PCB, nrog ib tug thermally conductive rwb thaiv tsev.

Ua ntej sau cov soldering hlau nrog lawv txhais tes, ntxuav tawm cov xim muaj hlau nrog ib tug resistor lub cev.

Qhov no yog yooj yim ua nrog ib tug riam los yog ib tug ua kua nrog acetone. Tam sim no koj yuav xyuam xim txiav tawm ib tug ntawm cov kev xaus ntawm lub resistor. Qhov twg txiav tau tua, tho ib lub qhov, thiab ces kho nws Countersink. Muaj yuav tsum mounted plev.

Thaum pib ntawm lub qhov txoj kab uas hla tej zaum yuav tsum yog 1 hli. Tom qab nws kho mob Countersink plev yuav tsum tsis txhob kov lub khob. Nws yuav tsum tau nyob rau hauv lub resistor lub cev. Nyob rau txheej sab ntawm lub khob fabricate ib tug tshwj xeeb zawj. Nws yuav pab tau kom cov collector, uas kuj yuav pab tau kom lub rhaub.

Tam sim no peb ua cov nyiaj them. Nws yuav muaj xws li ntawm peb qhov chaw me me.

Los ntawm cov sab sab ntsaws rau collector ntawm steel, hauv nruab nrab feem yog ruaj los ntawm cov kov casing. Thaum lub vos ib feem ntawm lub thib ob txheej ntxiv davhlau ya nyob twg ntawm lub resistor.

Ua ntej yuav pib ua hauj lwm nrog lub cuab tam, muab qhwv rau sting nyias txheej ntawm insulating cov ntaub ntawv uas. Qhov ntawd yog li ntawd, tej yam yooj yim thiab yooj yim uas koj tau txais ib tug tsawg-hwj chim mini soldering hlau 40 Watts.

Ntawm cov hoob kawm, rau cov tub txawg hnub no muaj xws li loj soldering noj thiab Thermoair hairdryers, tab sis cov no pab kiag li lawm yog kim heev thiab tsuas yog muaj rau cov masters ntawm cov kev pab cuam chaw zov me nyuam nyob rau hauv cov kev kho ntawm computers, laptops thiab mobile pab kiag li lawm. Handyman yog muab tsis cuag rau cov khoom siv vim nws them tus nqi. Hopefully no tsab xov xwm no yuav qhia koj yuav ua li cas yuav ua rau ib tug soldering hlau nrog koj ob txhais tes ceev thiab yooj yim.