Mokhoa oa tlhahiso eaLi-valve tsa PVC tsa boloe kenyelletsa boqapi bo nepahetseng le taolo ea thepa ea maemo a holimo, ka mehato e latelang ea mantlha:
1. Khetho ea thepa le tokisetso
(a) Ho sebelisa lipolasetiki tsa boenjiniere tse kang PP (polypropylene) le PVDF (polyvinylidene fluoride) e le lisebelisoa tse ka sehloohong ho netefatsa hore ho na le litšenyehelo tse phahameng le ho hanyetsa kutu; Ha u kopanya, hoa hlokahala ho kopanya ka nepo masterbatch le moemeli oa toughening, 'me ka mor'a hore matla a kopane le maemo, motsoako o lokela ho futhumatsoa ho 80 ℃ mme o tsosoe ka ho lekana.
(b) Sehlopha se seng le se seng sa lisebelisoa tse tala se tlameha ho etsoa sampole bakeng sa liparamente tsa khatello ea khatello le index ea ho qhibiliha, ka phoso e laoloang ka har'a 0.5% ho thibela deformation le ho lutla.
2. Tlhahiso ea mantlha ea li-valve (moralo o kopaneng)
(a) Mokotla oa valve o nka sebopeho se kopantsoeng, 'me kutu ea valve e hokahane ka mokhoa o tsitsitseng le bolo ea valve. Thepa e ka khethoa ka tšepe (joalo ka matla a ntseng a eketseha), polasetiki (joalo ka boima bo bobebe), kapa lisebelisoa tse kopantsoeng (joalo ka tšepe e phuthetsoeng ea polasetiki).
(b) Ha u etsa mochini oa motsoako oa li-valve, sebelisa sesebelisoa sa ho itšeha ka mehato e meraro ho khaola karolo ea bophara, ho fokotsa palo ea ho itšeha ka limilimithara tse 0.03 ka stroke ho fokotsa sekhahla sa ho senya; Eketsa setempe sa graphite sealing layer qetellong ho matlafatsa khanyetso ea kutu
3. Ho bopa ente ea 'mele ea valve
(a) Beha konokono ea valve e kopantsoeng (ho kenyeletsoa bolo ea li-valve le stem ea valve) ka har'a hlobo e ikhethileng, futhumatsang 'me u qhibilihe thepa ea polasetiki (hangata polyethylene, polyvinyl chloride kapa ABS), ebe u e kenya ka har'a hlobo.
(b) Moqapi oa hlobo o hloka ho ntlafatsoa: mocha oa phallo o amohela ho qhibiliha ha potoloho e meraro, 'me likhutlo tsa sekhutlo ke ≥ 1.2 millimeters ho thibela ho phunyeha; Mekhahlelo ea ente e kenyelletsa lebelo la sekoti sa 55RPM ho fokotsa li-bubble tsa moea, nako ea ho ts'oara metsotso e fetang 35 ho netefatsa compaction, le taolo e hlophisitsoeng ea mocheso oa moqomo (200 ℃ bakeng sa thibelo ea ho pheha mokhahlelong oa pele le 145 ℃ bakeng sa ho ikamahanya le sebopeho sa morao-rao).
(c) Ha o phunya, fetola mocheso oa mokoti o tsitsitseng oa hlobo ho 55 ℃, ka moepa o moholo ho feta 5 ° ho qoba ho senya, le ho laola sekhahla sa litšila ka tlase ho 8%.
4. Kopano le ts'ebetso ea lisebelisoa
(a) Ka mor'a hore 'mele oa valve o pholile, kenya sekoahelo sa valve, li-seal, le li-fasteners; Theha sebaka sa induction inthaneteng, se tla tsosa alamo ka bo eona haeba ho kheloha ho feta 0.08 millimeters, ho netefatsa hore lisebelisoa li tsamaisana hantle joalo ka li-channel dividers.
(b) Kamora ho itšeha, hoa hlokahala ho netefatsa lekhalo lipakeng tsa 'mele oa valve le konokono ea valve,' me haeba ho hlokahala, eketsa ho kenya lebokose la ho tlatsa ho ntlafatsa sebopeho sa ho tiisa.
5.Teko le Tlhahlobo
(a) Etsa tlhahlobo ea potoloho ea metsi a moea: kenya metsi a khatello ea 0.8MPa metsotso ea 10 'me u hlahlobe palo ea deformation (≤ 1mm e tšoaneleha); Teko ea torque ea ho potoloha e behiloe ka 0.6N · m tshireletso ea overload.
(b) Netefatso ea tiiso e kenyelletsa tlhahlobo ea khatello ea moea (ho shebisisa ka metsi a sesepa ho 0.4-0.6MPa) le tlhahlobo ea matla a khetla (e tšoarellang ka makhetlo a 1.5 khatello ea ho sebetsa bakeng sa motsotso o le mong), ka tekanyetso e felletseng ea tlhahlobo e akaretsang litlhoko tse fetang 70 tsa maemo a naha.
Nako ea poso: Aug-08-2025