Li-valve tsa heke ke karolo ea bohlokoa ea liphaephe hobane li laola phallo ea maro.Ka hona, ho khetha moetsi oa li-valve tsa heke tse nepahetseng ke habohlokoa ho netefatsa hore ho sebetsa hantle le ho tšepahala ha tsamaiso ea liphaephe.Kaha ho na le bahlahisi ba bangata ba li-valve tsa heke ba phallang 'marakeng, ho ka ba thata ho khetha mofani ea molemo ka ho fetisisa.
Ha u khetha moetsi oa li-valve tsa heke, lintlha tse 'maloa li lokela ho nahanoa.Ea pele, boleng ke ba bohlokoa.U tlameha ho etsa bonnete ba hore moetsi o fana ka li-valve tsa heke tsa boleng bo holimo tse entsoeng hantle le tse entsoeng ka theknoloji ea morao-rao.Li-valve tsa boleng bo holimo li tiisa li-valve tse tšepahalang le tse tšoarellang tse tla u sebeletsa ka lilemo tse ngata.
Ea bobeli, bahlahisi ba lokela ho ba le lihlahisoa tse ngata tsa li-valve tseo ba ka khethang ho tsona.Ho na le mefuta e fapaneng ea li-valve tsa heke bakeng sa lits'ebetso tse fapaneng tse kenyelletsang li-valve tse felletseng, tse tloaelehileng le tse tšoanang tsa spool.Ka hona, moetsi ea nang le nyehelo e pharaletseng ea li-valve e ka ba khetho e nepahetseng, kaha bareki ba ka khetha valve e finyellang litlhoko tsa bona tse khethehileng tsa kopo.
Ntlha ea boraro, tsebo ea setsebi ea baetsi ba li-valve tsa liheke le eona e bohlokoa.Khamphani e lokela ho ba le litsebi tse nang le boiphihlelo sehlopheng sa eona tse ka fanang ka thuso ea tekheniki le lits'ebeletso tsa tšehetso.Phapang ena e bohlokoa, haholo ha ho sebelisoa lisebelisoa tse rarahaneng tsa li-valve moo boiphihlelo bo leng bohlokoa.Tšehetso le likeletso tsa moetsi li tla netefatsa ts'ebetso e ntle ea valve.
Ea bone, bahlahisi ba lokela ho latela litekanyetso tsa netefatso ea boleng.Ho bohlokoa ho nahana ka moetsi ea lulang a boloka litekanyetso tsa netefatso ea boleng joalo ka litekanyetso tsa ISO.Litekanyetso tsa netefatso ea boleng li tiisa hore baetsi ba li-valve tsa heke ba na le ts'ebetso e matla ea tlhahlobo ho netefatsa boleng ba li-valve pele li beoa 'marakeng.
Qetellong, tšebeletso ea bareki e tsoang ho moetsi oa li-valve tsa heke ke ea bohlokoa ka ho fetisisa.Moetsi ea hloahloa o lokela ho ba le mecha ea puisano e bulehileng eo bareki ba ka e fihlelang habonolo ho kopa tšehetso ea tekheniki kapa ho fana ka maikutlo.Ts'ebeletso e ntle ea bareki ho tsoa ho moetsi e netefatsa khotsofalo ea bareki mme e haha ts'epo le botšepehi lipakeng tsa moreki le moetsi.
Qetellong, ho khetha moetsi oa li-valve tse nepahetseng ke habohlokoa ho etsa bonnete ba hore ts'ebetso e ntle ka ho fetisisa le bophelo ba tšebeletso ea li-valve tsamaisong ea liphaephe.Nahana ka mofani oa thepa ea nang le tsebo e phahameng, lihlahisoa tse ngata tsa li-valve, ho khomarela litekanyetso tsa boleng ba boleng le tšebeletso e babatsehang ea bareki.Li-valve li tlameha ho sebetsa ka katleho ka tlhokomelo e fokolang libakeng tse thata tsa ts'ebetso, kahoo ho khetha moetsi ea nang le botumo bo botle ba li-valve tsa heke ke habohlokoa.Ka hona, ho khetha moetsi oa li-valve tsa heke tse nepahetseng ke habohlokoa ho netefatsa hore ho sebetsa hantle le ho tšepahala ha tsamaiso ea liphaephe.Kaha ho na le bahlahisi ba bangata ba li-valve tsa heke ba phallang 'marakeng, ho ka ba thata ho khetha mofani ea molemo ka ho fetisisa.
Ha u khetha moetsi oa li-valve tsa heke, lintlha tse 'maloa li lokela ho nahanoa.Ea pele, boleng ke ba bohlokoa.U tlameha ho etsa bonnete ba hore moetsi o fana ka li-valve tsa heke tsa boleng bo holimo tse entsoeng hantle le tse entsoeng ka theknoloji ea morao-rao.Li-valve tsa boleng bo holimo li tiisa li-valve tse tšepahalang le tse tšoarellang tse tla u sebeletsa ka lilemo tse ngata.
Ea bobeli, bahlahisi ba lokela ho ba le lihlahisoa tse ngata tsa li-valve tseo ba ka khethang ho tsona.Ho na le mefuta e fapaneng ea li-valve tsa heke bakeng sa lits'ebetso tse fapaneng tse kenyelletsang li-valve tse felletseng, tse tloaelehileng le tse tšoanang tsa spool.Ka hona, moetsi ea nang le nyehelo e pharaletseng ea li-valve e ka ba khetho e nepahetseng, kaha bareki ba ka khetha valve e finyellang litlhoko tsa bona tse khethehileng tsa kopo.
Ntlha ea boraro, tsebo ea setsebi ea baetsi ba li-valve tsa liheke le eona e bohlokoa.Khamphani e lokela ho ba le litsebi tse nang le boiphihlelo sehlopheng sa eona tse ka fanang ka thuso ea tekheniki le lits'ebeletso tsa tšehetso.Phapang ena e bohlokoa, haholo ha ho sebelisoa lisebelisoa tse rarahaneng tsa li-valve moo boiphihlelo bo leng bohlokoa.Tšehetso le likeletso tsa moetsi li tla netefatsa ts'ebetso e ntle ea valve.
Ea bone, bahlahisi ba lokela ho latela litekanyetso tsa netefatso ea boleng.Ho bohlokoa ho nahana ka moetsi ea lulang a boloka litekanyetso tsa netefatso ea boleng joalo ka litekanyetso tsa ISO.Litekanyetso tsa netefatso ea boleng li tiisa hore baetsi ba li-valve tsa heke ba na le ts'ebetso e matla ea tlhahlobo ho netefatsa boleng ba li-valve pele li beoa 'marakeng.
Qetellong, tšebeletso ea bareki e tsoang ho moetsi oa li-valve tsa heke ke ea bohlokoa ka ho fetisisa.Moetsi ea hloahloa o lokela ho ba le mecha ea puisano e bulehileng eo bareki ba ka e fihlelang habonolo ho kopa tšehetso ea tekheniki kapa ho fana ka maikutlo.Ts'ebeletso e ntle ea bareki ho tsoa ho moetsi e netefatsa khotsofalo ea bareki mme e haha ts'epo le botšepehi lipakeng tsa moreki le moetsi.
Qetellong, ho khetha moetsi oa li-valve tse nepahetseng ke habohlokoa ho etsa bonnete ba hore ts'ebetso e ntle ka ho fetisisa le bophelo ba tšebeletso ea li-valve tsamaisong ea liphaephe.Nahana ka mofani oa thepa ea nang le tsebo e phahameng, lihlahisoa tse ngata tsa li-valve, ho khomarela litekanyetso tsa boleng ba boleng le tšebeletso e babatsehang ea bareki.Li-valve li tlameha ho sebetsa ka katleho ka tlhokomelo e fokolang libakeng tse thata tsa ts'ebetso, kahoo ho bohlokoa ho khetha moetsi oa li-valve tsa heke ea nang le botumo bo botle.
Nako ea poso: Phup-09-2023