Ho lahla 'mele oa li-valve ke karolo ea bohlokoa ea ts'ebetso ea tlhahiso ea li-valve,' me boleng ba ho lahla li-valve bo lekanya boleng ba valve. E latelang e hlahisa mekhoa e mengata e tloaelehileng ea ho lahla indastering ea li-valve:
Ho lahla lehlabathe:
Sanding hlobo e sebelisoang hangata indastering ea li-valve e ka aroloa ka lehlabathe le metsi, lehlabathe le omeletseng, lehlabathe la sodium silicate le lehlabathe le thatafatsang la furan ho latela li-binders tse fapaneng.
(1) Lehlabathe le letala ke mokhoa oa ho bōpa o nang le bentonite e le tlamahano.
Litšobotsi tsa eona ke: hlobo ea lehlabathe ha e hloke ho omisoa, ha e hloke ho thatafatsoa, hlobo ea lehlabathe e na le matla a itseng a metsi, mokokotlo oa lehlabathe le khetla li na le botsitso bo botle, bo loketseng ho hloekisa ho lahla. Bokhoni bo phahameng ba tlhahiso ea ho bopa, potoloho e khuts'oane ea tlhahiso, litšenyehelo tse tlase tsa thepa, ho bonolo ho hlophisa tlhahiso ea mohala oa kopano.
Mefokolo ea eona ke: ho lahla ho bonolo ho hlahisa mefokolo e kang porosity, ho kenyelletsa lehlabathe le ho khomarela lehlabathe, 'me boleng ba ho lahla, haholo-holo boleng ba ka hare, ha bo loketse.
Karo-karolelano le thepa ea lehlabathe le tala bakeng sa castings tšepe ke tse latelang:
| Nomoro ea letoto | motsoako oa karolelano% | tshebetso | morero | ||||||||
| Lehlabathe le lecha | Lehlabathe la khale | Bentonite | sodium carbonate | dextrin | makhapetla | metsi % | Ho kenella ha moea AFS | Matla a compression a metsi KPa | |||
| Sehlopha sa boholo ba lijo-thollo | Chelete e ekelitsoeng | ||||||||||
| 1 | 10 | 100 | 9/11 | 0.2 | 0.2/0.4 | 3.8/4.3 | 100/200 | 56/77 | Lehlabathe bakeng sa li-castings tse nyenyane tsa tšepe | ||
| 2 | 15 | 50 | 50 | 3 | 0.4 | 0.6/1.2 | 4/4.7 | 100 | 50/75 | Lehlabathe bakeng sa ho bōpa mochine | |
2 Ho eketsa bentonite e nyenyane ho ka ntlafatsa matla a eona a metsi.
Litšobotsi tsa eona ke:hlobo ea lehlabathe e hloka ho omisoa, e na le ho kenella hantle ha moea, ha ho bonolo ho hlahisa likoli tse kang ho hlatsoa lehlabathe, ho khomarela lehlabathe le masoba a moea, 'me boleng ba ka hare ba ho lahla bo botle.
mefokolo ea eona ke:tlhokahalo ea lisebelisoa tsa ho omisa lehlabathe, potoloho ea tlhahiso e telele.
Nako ea poso: Feb-03-2021
