Kev paub yooj yim ntawm cov hlau soldering
1. Kev faib tawm ntawm vuam tshuab
Vuam cov tswv yim feem ntau muab faib ua peb pawg: fusion vuam (arc vuam, thiab lwm yam), hu rau vuam (ultrasonic, mem tes) thiab brazing (soldering hlau).
2. Kev ua haujlwm, hom, qauv, xaiv thiab tuav ntawm hluav taws xob soldering hlau
1. Muaj nuj nqi:
Muab cov cua sov uas yuav tsum tau siv rau vuam, cua sov cov hlau yuav tsum tau welded, yaj lub solder, thiab txhawb lawv cov kev sib nrig sib fusion los tsim kev sib cuag.
2. Hom thiab qauv:
(1) Sab nraud cua sov hluav taws xob soldering hlau
①Structure: Nws muaj ib tug soldering hlau taub hau, ib tug soldering hlau core, lub plhaub, ib tug ntoo kov, ib tug hwj chim qaum thiab ib tug hlau plug.
②Specification: 25W, 45W, 75W, 100W, 150W, thiab lwm yam.
(2) Internal cua sov hom hluav taws xob soldering hlau
①Structure: Nws muaj ib tug soldering hlau taub hau, ib tug soldering hlau core, lub plhaub, ib tug ntoo kov, ib tug hwj chim qaum thiab ib tug hlau plug.
②Specification: 20W, 30W, 50W, thiab lwm yam.
③ Lub tshav kub kub soldering hlau muaj kev ua haujlwm siab, thiab 20W sab hauv cov cua sov soldering hlau yog sib npaug li 40W sab nraud kub soldering hlau.
3. Xaiv
(1) General printed circuit boards, electronic components, and installation wires: 20W internal heating type, 30W lwm hom cua sov;
(2) Integrated Circuit Court: 20W sab hauv cua sov hom;
(3) Solder tabs, potentiometers, 2 ~ 8W resistors, loj electrolytic capacitors, high-power raj: 30 ~ 50 W sab hauv cua sov hom, 50 ~ 75W sab nraud cua sov hom;
(4) Kev ua haujlwm siab tshaj 8W, hlau siab tshaj 2 hli: 100W hom cua sov sab hauv, 150 ~ 200W lwm hom cua sov;
4. tuav
(1) Txoj kev tuav rov qab: haum rau kev ua haujlwm ntawm lub zog hluav taws xob hluav taws xob, vuam qhov chaw nrog cov cua kub loj;
(2) Overhand tuav: Nws yog tsim rau kev khiav hauj lwm ntawm high-power hluav taws xob soldering hlau thiab feem ntau ntawm lawv yog lub luj tshib-hom hluav taws xob soldering irons;
(3) Tus cwj mem tuav style: haum rau lub hwj chim qis (qis dua 35W) hluav taws xob soldering hlau, feem ntau siv hauv hluav taws xob ntau lawm, xws li kev lag luam dav dav ntawm cov ntawv luam tawm.
5. Ntau qhov teeb meem uas yuav tsum tau them sai sai rau thaum siv hluav taws xob soldering hlau
(1) Ua ntej siv lub tshuab hluav taws xob tshiab, ua ntej siv cov ntaub ntawv los ua cov hlau nplaum rau hauv ib qho zoo li qhov xav tau, thiab tom qab ntawd tig rau lub hwj chim. Thaum qhov kub ntawm cov hlau taub hau nce mus rau qhov chaw uas cov hlau tuaj yeem yaj tau, thov cov rosin rau cov hlau taub hau, thiab lwm yam. Tom qab cov rosin haus luam yeeb, thov ib txheej ntawm cov solder, thiab rov ua qhov no kom txog thaum cov hniav yog coated tag. nrog solder.
(2) Soldering hlau taub tsis "noj tin" kev kho mob: siv cov ntawv xuab zeb zoo los yog cov ntaub ntawv rov qab polishing lub taub hau hlau los yog cov ntaub ntawv tawm tshiab stubble, thiab rov tinn nws.
(3) Kev kho cov khoom siv ntau dhau ntawm cov hlau nplaum thaum lub sij hawm soldering: so tawm nrog cov ntaub ntub dej, thiab tsis txhob co cov hlau soldering.
3. Lub luag hauj lwm thiab kev faib tawm ntawm flux
1. Lub luag hauj lwm ntawm flux
(1) Ua kom puas oxidized impurities nyob rau saum npoo ntawm cov hlau yuav tsum tau welded thiab tiv thaiv cov hlau nto los ntawm oxidized dua thaum vuam;
(2) Txo qhov nro ntawm cov solder thiab txhim kho lub wettability thiab adsorption ntawm solder los txhawb kev tsim ntawm cov hlau alloy solder pob qij txha.
2. Hom Flux
Rosin, rosin cawv tov, solder paste thiab hydrochloric acid, thiab lwm yam. Qhov zoo tshaj plaws flux rau hluav taws xob Circuit Court yog rosin.
