Dab tsi yog qhov sib txawv ntawm Sab Qab Teb thiab sab qaum teb hauv kev xaiv siv cov boards multilayer?
Jun 08, 2022
Vim thaj chaw vim li cas, nyob rau hauv Suav teb, qhov kub nyob rau sab qab teb ntau dua, qhov kub siab dua. Vim yog thermal expansion thiab txias contraction, qhov ntim ntawm tib yam khoom nyob rau sab qab teb yog me ntsis txawv ntawm qhov nyob rau sab qaum teb.
Piv txwv li, ntau txheej boards tsis quav ntsej lub cev lub cev thiab ib puag ncig tiv thaiv qib ntawm ntau txheej boards, tsuas yog rau saum npoo ntawm ntau txheej boards. Muaj ib txoj cai zoo li no: ntau lub rooj tsav xwm ntau dua mus rau sab qab teb, qhov zoo dua tuaj yeem siv tau, thiab ntau lub rooj tsav xwm ntau dua mus rau sab qaum teb, yuav tsum ceev faj ntau dua.
Tom qab veneering, lub vaj huam sib luag ntoo yuav raug cuam tshuam los ntawm qhov kub thiab txias sab nraud, uas ua rau sib txawv shrinkage thiab nthuav dav ntawm cov khoom tseem ceeb thiab cov ntawv npog. Txawm hais tias nws yog qhov sib txawv me me, nws tseem yuav cuam tshuam rau tag nrho cov tsos mob.
Nyob rau sab qaum teb, qhov kub yog txias, thiab qee cov khoom yog yooj yim tawg. Nyob rau sab qab teb, ntawm qhov tsis sib xws, cov khoom siv tau yooj yim khaws cia thiab siv thaum kub nruab nrab.
