Thaum cov kws tshaj lij thiab cov kws kho mob hnov cov lus "temperature profile" lossis "temperature profile", lawv xav txog SMT reflow soldering. Raws li qhov ntev ntawm qhov weld cheeb tsam nws yog ib qho yooj yim mus saib plaub lub ntsiab kub tswj cheeb tsam uas thaum kawg yuav ua rau ib tug zoo meej weld, cia siab tias. Txhua theem yog ua tib zoo tswj thiab txhim kho los ntawm tus kws tshaj lij kev paub thiab kev sim thiab ua yuam kev. Txhua theem ua lub luag haujlwm hauv kev txhim kho kev sib koom ua ke zoo thiab txo qhov tsis xws luag. Tab sis lwm lub tshuab vuam vuam tej zaum yuav tsis muaj qhov ntsuas kub zoo li no. Tab sis dab tsi lawv muaj nyob rau hauv sib xws yog lub warm-up theem.
