Nekuvandudzwa kweindasitiri yekufambisa kwepombi, zvinodiwa zvekutakura pombi yekutakura zviri kuramba zvichikwira, uye kushandiswa kwepombi yepurasitiki yakakura-dhayamita kuri kuramba kuchiwedzera.Tsvagiridzo uye kuvandudzwa kwehombe-dhayamita yepurasitiki pombi ine yakakwira kugadzirwa kwakasimba, mwenje wemhando, mhedzisiro yekupikisa uye kuramba kwecorrosion ndeimwe yenzira huru dzekusimudzira pombi yekufambisa mune ramangwana.
Nekuvandudzwa kweindasitiri yekufambisa kwepombi, zvinodiwa zvekutakura pombi yekutakura zviri kuramba zvichikwira, uye kushandiswa kwepombi yepurasitiki yakakura-dhayamita kuri kuramba kuchiwedzera.Tsvagiridzo nekuvandudzwa kwehombe-diameterpombi yepurasitikiine kusimba kwekugadzirwa kwepamusoro, mwenje wemhando, kukanganiswa kwemaitiro uye kushorwa kwecorrosion ndiyo imwe yenzira huru dzekusimudzira yekufambisa kwepombi mune ramangwana.
Mune bepa rino, nzira yekugadzira yakakura dhayamita yepurasitiki pombi, mamiriro ayo ekutsvagisa, matambudziko aripo uye maitiro ebudiriro anopfupikiswa.Tichifunga nezvechinyakare nzira yedhayamita hombe yepurasitiki pombi kugadzira dambudziko, bepa rino rinokurudzira kusanganiswa nekuwedzera kwekugadzira zvinhu tekinoroji yekuumbwa kwechinyakare uye extrusion molding tekinoroji yedhayamita hombe yepurasitiki pombi kugadzira tekinoroji nyowani, iyo polymer inonyungudutsa jekiseni murwi kugadzira, kureva iyo basa repurasitiki yakanyunguduka extrusion muchina kudzvanywa, jeti yakazadzwa nekutenderedza pombi uye kuchengeta-kuvharika mudziyo, bhuroka rakaumbwa nezvipingamupinyi zvenzvimbo, ipapo mudziyo wekutenderedza uye inoenderera screw murwi pasi pechiito chetirakita yekuumba mutsara.
Zvadaro, maererano nemusimboti wepolymer melt jekiseni uye stacking tekinoroji, yakakura dhayamita epurasitiki pombi inonyungudutsa jekiseni uye stacking midziyo yakagadzirwa.Iyo midziyo inosanganisira extruder, pombi yekugadzira mudziyo, tirakita, control system uye zvichingodaro.Zvichienzaniswa zvechinyakare pombi kuumba midziyo, midziyo kwete chete havadi extrusion kufa musoro, inomonereka mandrel, chakuvhe, uyewo anogona kuchinjika pombi kuumbwa, anogona Ø kuumba dhayamita 749 ~ Ø 948 mm, 30 ~ 50 mm epurasitiki pombi rusvingo ukobvu.
Iwo makuru maitiro parameters ekugadzirisa maitiro anoongororwa, anosanganisira kuumba tembiricha, screw speed, traction speed, kutenderera kumhanya uye pitch, etc. Zvinoenderana nehukama hwemasvomhu pakati pematanho ekugadzirisa, maparamendi ehurongwa akaiswa uye akaverengerwa kune inotevera manhamba simulation kuongororwa uye kuedza kunodiwa.
Zvinoenderana nemusimboti wekuumba nzira yekumisikidza masvomhu modhi uye geometric modhi, uchishandisa POLYFLOW software kuti ienderere mberi nenhamba simulation, inoongorora kunyunguduka velocity kugovera, kugovera tembiricha, kuyerera kwenzvimbo, semutemo, kusanganiswa nekumhanya kwekumhanya, kutenderera kumhanya, kutonhora kupedzisa dhizaini tembiricha, jekiseni molding process parameters senge tembiricha, manhamba simulation ongororo, mhedzisiro yekuyedza ine theoretical kutungamira kukosha.
Chekupedzisira, zvinoenderana neakaverengerwa paramita uye nhamba yekunyepedzera kuongororwa kwemhedzisiro, hombe dhayamita yepurasitiki pombi inonyungudutsa jekiseni murwi wekugadzira zviyedzo, kusanganisira papombi inogadzira kuoma kwemhete, kusimba kwezvivakwa uye hunhu hwekuita uye mekiniki zvivakwa bvunzo, kusiyanisa kutarisisa calorimetry kuongororwa mhinduro, kuongororwa yekumhanyisa kumhanya, kutenderera kumhanya, kupedzisa dhizaini tembiricha, kutonhora kupfapfaidza kuumba tembiricha uye mamwe maitiro paramita pane yekuumbwa pombi mechanical properties, pesvedzero yekusimbiswa kwenhamba simulation ongororo.
Uye zvakare, iyo mechaniki zvivakwa uye pombi yekuumbwa neyemakanika zvivakwa zvichienzaniswa neextrusion kuumba pombi saizi, mhedzisiro inoratidza kuti kuburikidza nekuita kwekuita kwedhayamita hombe, michina yepipe yepurasitiki iri nani pane iyo yekuumba extrusion, kunyanya mashandiro ekuita. , pakati pavo, iyo axial inokanganisa simba ndeye 1.6 nguva yeextrusion molding pombi uye circumferential kukanganisa simba ndiyo 2.2 nguva iyo extrusion inoumba pombi.
Nguva yekutumira: Jul-17-2020