Vim li cas soldering hlau siv colophony?
Rosin yog siv los ua ib qho kev sib txuas hauv vuam, ua haujlwm pabcuam. Nyob rau hauv txoj kev xav, lub melting point ntawm solder yog qis dua li ntawm solder, thiab nws cov tshwj xeeb lub ntiajteb txawj nqus, viscosity, thiab nto nro yog tag nrho qis dua li ntawm solder. Yog li ntawd, thaum lub sij hawm welding, lub solder melts ua ntej thiab sai sai infiltrates thiab npog qhov chaw ntawm lub solder, ua hauj lwm rau cais cov huab cua thiab tiv thaiv oxidation ntawm hlau nto. Nws tseem tuaj yeem ua rau lub ntsej muag oxide zaj duab xis ntawm cov khoom siv thiab cov hlau raug welded ntawm qhov kub thiab txias kom yaj thiab rov ua cov hlau ntshiab. Kev tsim nyog soldering pab tsim kom txaus siab rau cov duab sib koom ua ke thiab tuav lub ntsej muag gloss ntawm cov pob qij txha.
Rosin yog cov feem ntau siv soldering flux, uas yog nruab nrab thiab tsis corrode Circuit Court Cheebtsam thiab soldering hlau tswv yim. Yog tias nws yog ib lub rooj tsav xwm luam tawm tshiab, ib txheej ntawm cov tshuaj tsw qab xoob yuav tsum tau coated rau ntawm cov ntawv ci tooj liab ua ntej vuam. Yog tias nws yog lub rooj tsav xwm ua ntej ua ntej, nws tuaj yeem ncaj qha soldered. Qhov tseeb, kev siv rosin nyob ntawm tus kheej tus cwj pwm. Qee tus neeg ntub cov hlau nplaum hauv rosin tom qab soldering txhua feem; Kuv ib txwm poob ib co rosin rau ntawm lub taub hau hlau thaum nws yog oxidized thiab tsis yooj yim siv. Kev siv rosin kuj yooj yim heev. Qhib lub rosin lub thawv thiab tsau cov hluav taws xob soldering hlau taub rau nws. Yog tias cov khoom siv tau siv thaum lub sijhawm vuam, yuav tsum tau ntxiv qee cov rosin; Yog tias rosin tin vuam hlau (nrog flux qhwv hauv cov tub ntxhais hlau) siv, rosin tuaj yeem raug tshem tawm.
Vim yog qhov tsim ntawm oxide zaj duab xis ntawm cov hlau qhov chaw nyob rau hauv kev sib cuag nrog huab cua, qhov kub thiab txias, qhov hnyav dua qhov oxidation. Cov yeeb yaj kiab oxide no tiv thaiv cov kua nplaum los ntawm cov hlau ntub dej, ib yam li cov roj ntawm iav tiv thaiv dej los ntawm ntub nws. Flux yog ib yam khoom tshwj xeeb uas siv los tshem tawm cov yeeb yaj kiab oxide, tseem hu ua soldering flux.
Flux muaj peb lub luag haujlwm tseem ceeb:
1. Tshem tawm cov oxide zaj duab xis. Lub essence yog tias cov tshuaj nyob rau hauv lub flux undergo ib tug txo cov tshuaj tiv thaiv, yog li tshem tawm cov oxide zaj duab xis, thiab cov tshuaj tiv thaiv cov khoom ua raug tshem tawm slag ntab rau saum npoo ntawm solder.
2. Txo qhov nro ntawm qhov chaw thiab ua kom cov kua nplaum muaj zog tuaj yeem pab ua kom ntub cov khoom ua haujlwm.
3. Tiv thaiv oxidation. Tom qab melting, nws ntab rau ntawm qhov chaw ntawm lub solder, tsim ib txheej cais, yog li tiv thaiv oxidation ntawm vuam nto.
