Izinga lokushisa kuisikhunta somjovoayilingani ezindaweni ezahlukene, okuhlobene nesikhathi somjikelezo wokujova. Umsebenzi womshini wokushisa wesikhunta ukugcina izinga lokushisa lingaguquguquki phakathi kwemizuzu emi-2 nengu-2 max, okusho ukuvimbela umehluko wokushisa ukuthi ungaguquguquki phezulu naphansi ngesikhathi senqubo yokukhiqiza noma igebe. Izindlela zokulawula ezilandelayo zifanelekile ukulawula izinga lokushisa lesikhunta: Ukulawula izinga lokushisa loketshezi kuyindlela evame ukusetshenziswa, futhi ukunemba kokulawula kungahlangabezana nezidingo zezimo eziningi. Ukusebenzisa le ndlela yokulawula, izinga lokushisa eliboniswa kusilawuli alihambisani nokushisa kwesikhunta; izinga lokushisa lesikhunta liyashintshashintsha kakhulu, ngoba izici zokushisa ezithinta isikhunta azikalinganiswa ngokuqondile futhi zinxeshezelwe ngalezi zici kufaka phakathi izinguquko emjikelezweni wokujova, ijubane lokujova, izinga lokushisa lokuncibilika kanye nokushisa kwegumbi. Okwesibili ukulawula ngqo izinga lokushisa lesikhunta. Le ndlela ukufaka inzwa yokushisa ngaphakathi kwesikhunta, esetshenziswa kuphela lapho ukunemba kokulawula izinga lokushisa lesikhunta kuphakeme kakhulu. Izici eziyinhloko zokulawula izinga lokushisa lesikhunta zifaka: izinga lokushisa elibekwe yisilawuli lihambisana nokushisa kwesikhunta; izici zokushisa ezithinta isikhunta zingalinganiswa ngqo futhi zinxeshezelwe. Ngaphansi kwezimo ezijwayelekile, ukuzinza kokushisa kwesikhunta kungcono kunokulawula izinga lokushisa loketshezi. Ngaphezu kwalokho, ukulawulwa kokushisa kwesikhunta kunokuphindaphindeka okungcono ekulawulweni kwenqubo yokukhiqiza. Okwesithathu ukulawula okuhlanganayo. Ukulawulwa okuhlanganayo kuwukuhlanganiswa kwezindlela ezingenhla, kungalawula izinga lokushisa loketshezi kanye nesikhunta ngasikhathi sinye. Ekulawulweni okuhlanganayo, indawo yesensa yokushisa esikhunta ibaluleke kakhulu. Lapho kubekwa isensa yokushisa, ukuma, isakhiwo, kanye nendawo yesiteshi sokupholisa kumele kucatshangelwe. Ngaphezu kwalokho, isensa yokushisa kufanele ibekwe endaweni edlala indima ebalulekile ekhwalithini yezingxenye ezibunjiwe ngomjovo. Kunezindlela eziningi zokuxhuma umshini owodwa noma ngaphezulu wokushisa kwesikhunta kumlawuli womshini wokubumba ngomjovo. Kungcono ukusebenzisa isikhombikubona sedijithali maqondana nokusebenza kahle, ukuthembeka kanye nokulwa nokuphazamiseka.

Ibhalansi yokushisa yeisikhunta somjovoilawula ukuqhutshwa kokushisa phakathi komshini wokubumba umjovo kanye nesikhunta kuyisihluthulelo sokukhiqizwa kwezingxenye ezibunjiwe ngomjovo. Ngaphakathi kwesikhunta, ukushisa okulethwa yipulasitiki (njenge-thermoplastic) kudluliselwa ezintweni kanye nensimbi yesikhunta ngemisebe yokushisa, bese kudluliselwa oketshezini lokudlulisa ukushisa nge-convection. Ngaphezu kwalokho, ukushisa kudluliselwa emoyeni kanye nesisekelo sesikhunta ngemisebe yokushisa. Ukushisa okumuncwa uketshezi lokudlulisa ukushisa kususwa ngumshini wokushisa wesikhunta. Ibhalansi yokushisa yesikhunta ingachazwa kanje: P=Pm-Ps. Lapho i-P ingukushisa okuthathwe ngumshini wokushisa wesikhunta; i-Pm ingukushisa okwethulwa yipulasitiki; i-Ps ingukushisa okukhishwe yisikhunta emoyeni. Inhloso yokulawula izinga lokushisa lesikhunta kanye nomthelela wokushisa kwesikhunta ezingxenyeni ezibunjiwe ngomjovo Enqubweni yokubumba umjovo, inhloso eyinhloko yokulawula izinga lokushisa lesikhunta ukushisa isikhunta ekushiseni okusebenzayo, nokugcina izinga lokushisa lesikhunta lingaguquki ekushiseni okusebenzayo. Uma amaphuzu amabili angenhla ephumelela, isikhathi somjikelezo singalungiswa ukuqinisekisa ikhwalithi ephezulu ezinzile yezingxenye ezibunjiwe ngomjovo. Izinga lokushisa lesikhunta lizothinta ikhwalithi yobuso, ukugeleza, ukuncishiswa, umjikelezo womjovo kanye nokuguquka. Izinga lokushisa lesikhunta elidlulele noma elinganele lizoba nemiphumela ehlukene ezintweni ezahlukene. Kuma-thermoplastic, izinga lokushisa eliphezulu lesikhunta livame ukuthuthukisa ikhwalithi yobuso kanye nokuncishiswa, kodwa lizokwandisa isikhathi sokupholisa kanye nomjikelezo womjovo. Izinga lokushisa eliphansi lesikhunta lizonciphisa ukuncishiswa kwesikhunta, kodwa lizokwandisa ukuncishiswa kwengxenye ebunjiwe yomjovo ngemva kokudilizwa. Kumapulasitiki e-thermoset, izinga lokushisa eliphezulu lesikhunta livame ukunciphisa isikhathi somjikelezo, futhi isikhathi sinqunywa yisikhathi esidingekayo ukuze ingxenye iphole. Ngaphezu kwalokho, ekucutshungulweni kwamapulasitiki, izinga lokushisa eliphezulu lesikhunta lizonciphisa nesikhathi sokwenza ipulasitiki futhi linciphise inani lemijikelezo.