Zvikonzero zvekuvharira mafasteners, mafirita uye gaskets evhavha fittings uye nzira dzekudzivirira kukiya
Gasket inogona kupatsanurwa mumhando mbiri dzepurasitiki yakapfava uye yakaoma, purasitiki yakapfava kazhinji isiri-simbi zvinhu, senge gobvu makadhibhokisi, epurasitiki, asbestos rabha board, PTFE zvichingodaro. Zvakaoma zvinowanzoita simbi inoumbwa zvinhu kana simbi zvinhu zvakafukidzwa nematombo makushe, alloy uye matombo makushe akamonerwa. Gaskets inouya mumhando dzakawanda, kusanganisira flat, round, oval, toothed, lens, uye mamwe maumbirwo akasiyana. Kugadzirwa uye kugadzirwa kwegedhi vharafu zvikamu zvezvinhu zvakawanda zvakasvibiswa, kusanganisira zvakasiyana-siyana zvakasiyana-siyana zvesimbi chiedza uye inokosha simbi uye aruminiyamu alloy, zvakasiyana-siyana zvisiri zvesimbi.
1. Raw zvinhu zve fasteners
Mafasteners anonyanya kusanganisira anchor bolts, akawanda-musoro mabhaudhi uye nzungu. Mafasteners anotakura zvakananga mauto mumavharuvhu egedhi, ayo ane kukosha kukuru kudzivirira kurasikirwa kwenhau. Naizvozvo, zvigadzirwa zvakasarudzwa zvinofanirwa kuve nechokwadi chesimba rakakwana uye kuomarara kwekutsemuka patembiricha yekushandisa. Sarudza fastener data zvinoenderana nepakati kudzvanywa uye tembiricha.
Kupisa kurapwa kunodiwa kana kabhoni simbi zvinhu zvinoshandiswa. Kana zvikamu zvekusimbisa zvine akakosha ekupikisa corrosion, Cr17Ni2, 2Cr13, 1Cr18Ni9 uye imwe Stainless acid inodzivirira simbi inogona kusarudzwa.
Chechipiri, filler mbishi zvinhu
Pamuviri wevharuvhu, kurongedza kunoshandiswa kuzadza nzvimbo yemukati yeimwe inoyerera vharafu yekurongedza kamuri kudzivirira kubuda midhiya kuburikidza nechigaro chevharuvhu uye imwechete inoyerera vharafu inorongedza kamuri yemukati nzvimbo.
1. Kudiwa kwemafillers
1) Yakanaka corrosion kuramba, kurongedza uye yepakati kuonana, inofanirwa kukwanisa kurwisa kukora kwepakati.
2) Compact chimiro, kurongedza hakubvisi pasi pesimba repakati uye tembiricha yekushanda.
3) Kupokana kwakaderera kudzikisa kukwesha torque pakati pechigaro nekurongedza.
2, rudzi rwekurongedza
Packing inogona kukamurwa kuita yakapfava epurasitiki kurongedza uye yakaoma kurongedza marudzi maviri:
1) Yakapfava epurasitiki filler: inogadzirwa neyakasvibirira yekudyara zvinhu, zvinoti, yerineni, donje, yerineni, nezvimwewo, kana nemamineral, kureva girazi fiber donje, kana negirazi fiber donje newaya yesimbi uye kunze yakavharwa flake graphite tambo yakarukwa, uye yakadzika mukati mekugadzira kuzadza, uye nemikana mitsva yekuchinjika graphite filler mbishi zvinhu mumakore achangopfuura. Green chirimwa zvinhu kurongedza inodhura-inoshanda, inonyanya kushandiswa kune yakaderera kumanikidza mavharuvhu mukati me100 ℃; Mineral packing inokodzera 450-500 ℃ gedhi vharafu. Mumakore achangopfuura, kuvakwa kwepurasitiki O-mhete sekuzadza kunowedzerwa zvishoma nezvishoma, asi tembiricha yepakati inowanzodzorwa mukati me60 ℃. Iko kurongedza mukupisa kwepamusoro uye kudzvanywa kwevhavha inogadzirwawo neasbestos yakachena uye flake graphite poda.
2) Kurongedza kwakaoma: kurongedza yakagadzirwa nesimbi zvinhu kana simbi yakasanganiswa neasbestos, yakakwirira kuchena graphite uye polytetrafluoroethylene kudzvanya calcination uye kugadzira kurongedza, simbi kurongedza application ishoma.
3, kusarudzwa kwekuputira
Kusarudzwa kwekuzadza kunofanirwa kuenderana nepakati, tembiricha uye kudzvanywa kwekusarudza, zvakajairika zvigadzirwa zvine zvinotevera mapoinzi:
1) Mafuta kumucheka weasbestos, anogona kusarudzwa maererano neTafura 5-2.
2) Plastic asbestos jira: inogona kusarudzwa maererano neTafura 5-3.
3) High kuchena graphite asbestos jira: asbestos jira rakaputirwa muflake graphite, tembiricha inogona kushandiswa pamusoro 450 ℃, kushanda kumanikidza kunogona kusvika 16Mpa, kazhinji yakakodzera kune yakanyanya kudzvanywa chiutsi. Munguva pfupi yapfuura uye zvishoma nezvishoma kushandiswa kwekumanikidza vakuru font filler, lap kumhanya kuisa, compact chimiro.
4) polytetrafluoroethylene: Ichi chizadza chinoshandiswa zvakanyanya panguva ino. Kunyanya inowanikwa pane inoora, asi tembiricha haigone kudarika 200 ℃. Kazhinji, inogadzirwa ne suppressor kana round rod, sezvinoratidzwa mumufananidzo 5-1 pazasi.
Cherechedza: Nhamba yekuonekwa F inoratidza sikweya, kuburikidza-musimboti kana imwe kune kaviri braid; Y inoratidza kuti idenderedzwa, ine mandrel yakamonyoroka pakati uye imwe kusvika kuviri yakarukwa kunze; N zvinoreva zvakamonyoroka.
Chetatu, gasket zvinhu
Iyo gasket inoshandiswa kuzadza 2 majoini maficha (akadai seyepamusoro pakati pemafuta edunhu ndiro uye imwechete inoyerera vharafu) pakati pese zvisina kuenzana, kuitira kudzivirira kubuda kwe media kubva pajoinhi pamusoro.
1. Kudiwa kwekuvhara gaskets
Gasket zvinhu zvine imwe elasticity uye plastiki uye yakakwana inomanikidza simba pakupisa kwekushanda kuti ive nechokwadi chekusimba. Panguva imwecheteyo, inofanirwa kunge iine zvirinani corrosion resistance.
2, gasket zvinhu mhando uye kutonga
Gasket inogona kupatsanurwa mumhando mbiri dzepurasitiki yakapfava uye yakaoma, purasitiki yakapfava kazhinji isiri-simbi zvinhu, senge gobvu makadhibhokisi, epurasitiki, asbestos rabha board, PTFE zvichingodaro. Zvakaoma zvinowanzoita simbi inoumbwa zvinhu kana simbi zvinhu zvakafukidzwa nematombo makushe, alloy uye matombo makushe akamonerwa. Gaskets inouya mumhando dzakawanda, kusanganisira flat, round, oval, toothed, lens, uye mamwe maumbirwo akasiyana.
Iyo mbishi yekuisa chisimbiso gasket inowanzo 08, 10, 20 mhando kabhoni simbi uye 1Cr13, 1Cr18Ni9 Stainless simbi ndiro, dimensional kurongeka uye kutsvedzereka kwepamusoro zvinodiwa zvakakwira zvakanyanya, zvakakodzera kutonhora kwakanyanya uye kudzvanywa mavharuvhu. Non-metallic material gasket material general plasticity yakanaka, ine shoma shoma yekushanda inogona kuwana chisimbiso. Inokodzera ultra-low tembiricha uye yakaderera pressure valve. Gasket zvinhu zvinogona kusarudzwa maererano Tafura 5-4.
Tafura 5-4
Kugadzirwa uye kugadzirwa kwegedhi vharafu zvikamu zvezvinhu zvakawanda zvakasvibiswa, kusanganisira zvakasiyana-siyana zvakasiyana-siyana zvesimbi chiedza uye inokosha simbi uye aruminiyamu alloy, zvakasiyana-siyana zvisiri zvesimbi.
Raw zvinhu zvekugadzira uye kugadzirwa kwegedhi valve zvikamu zvinofanirwa kusarudzwa zvinoenderana nezvinotevera zvinhu:
1, kushanda kwepakati kudzvanywa, tembiricha uye maitiro.
2, iyo inotakura simba yezvikamu uye inowanzoita basa muchimiro chevharuvhu.
3. Good process performance.
4. Pasi pechikonzero chekusangana nemamiriro ezvinhu ari pamusoro apa, mari yakaderera inodiwa.
Iyo simbi fasteners mune fasteners inogara ichiita ngura nekuda kwezvikonzero zvakasiyana. Kana ngura ikaitika, mamwe mafasteners anokiya zvachose, zvichikonzera kurasikirwa kwehunyanzvi mukushanda chaiko kwemafasteners pachawo. Muchokwadi, hazvibviri kuparadzanisa kana kukiya fasteners nguva dzose. Kuvhara kwakazara kwemafasteners kunogona kungoitika mukati memasekondi mashoma, saka zvinodikanwa kuve nekunzwisisa kwakajeka uye kushandisa fasteners kudzivirira kukiya. Fastener kukiya kazhinji mundiro yesimbi isina tsvina kana aruminiyamu alloy zvinhu zvakagadzirwa nezvinhu ...
Metal fasteners inogara ichiita ngura nekuda kwezvikonzero zvakasiyana. Kana ngura ikaitika, mamwe mafasteners anokiya zvachose, zvichikonzera kurasikirwa kwehunyanzvi mukushanda chaiko kwemafasteners pachawo. Muchokwadi, hazvibviri kuparadzanisa kana kukiya fasteners nguva dzose. Kuvhara kwakazara kwemafasteners kunogona kungoitika mukati memasekondi mashoma, saka zvinodikanwa kuve nekunzwisisa kwakajeka uye kushandisa fasteners kudzivirira kukiya.
1. Zvikonzero zvikuru zvekuvhara kwefastener
Kuvharika kwezvitsigiro kunowanzo kuoneka pane zvigadzirwa zvinogadzirwa nesimbi isina tsvina ndiro kana aluminium alloy zvinhu, kunyanya nekuti iyo simbi inoumbwa zvinhu pachayo ine anti-ngura kugona, kana iyo simbi yepasi yezvisungo yaparara, zviri nyore kuoneka oxide layer kuti ipe. kuchengetedza uye kudzivirira kuwedzera kwe ngura, asi kana zvisungo zvaomeswa, Kupisa kwekumanikidza kunokonzerwa nekuita simba kunokuvadza iyo oxide layer uye inosimudzira plugging kana kucheka pakati pezvinhu zvesimbi, zvichikonzera kunamatira, iko kukiya chaiko.
2, fastener kudzivirira kukiya nzira:
★ Kuvharwa kwezvisungo hakugone kudziviswa zvachose, asi isu tinogona kuderedza mukana wekuvhara nekuteerera kune chimwe nechimwe chinhu, sekuvimbisa kusimba kwekuremerwa kwemafasteners, kusarudza nuts nemabhaudhi ane simba rakawanda rekumanikidza, nezvimwe.
★ Fastener screw yekuchenesa haisi kuchenesa zvakare kune imwe mhedzisiro yekuti kukiya, kana sikururu isiri kutsetseka kana kusacheneswa, kukiya kazhinji, saka usati washandisa kuve nechokwadi chekusimbisa kuchenesa basa, pini yesimbi kana tsvina.
★ Mushure mekugadzirisa kwakakodzera uye kwakadzikama kwekugadzirisa kwezvigadziro, kupisa kunokonzerwa nechinzvimbo chesimbi chinogona kuderedzwa zvakabudirira nekuda kwesimba rinotakura, izvo zvichangoderedza mukana wekuvhara kwefastener.
★ Fasteners inofanira kuiswa chisimbiso uye kuiswa nenzira yakarurama, zvishoma uye zvishoma kuvhara kunoitika.
Nguva yekutumira: Feb-21-2023
