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Maitiro ekugadzirisa jekiseni molding process parameters?

Tembiricha
Kuyera kuyera uye kutonga kwakakosha zvakanyanya mukuumba jekiseni.Kunyangwe zviyero izvi zviri nyore, michina yekuumba jekiseni yakawanda haina tembiricha yakakwana kana wiring.
 
Mumichina yakawanda jekiseni, tembiricha inonzwiwa ne thermocouple.
Iyo thermocouple ndeye waya mbiri dzakasiyana dzinouya pamwechete kumagumo.Kana imwe magumo ichipisa kupfuura imwe, meseji diki yeteregirafu inogadzirwa.Kunyanya kupisa, chiratidzo chakasimba.
 
Kudzora tembiricha
Thermocouples anoshandiswawo zvakanyanya semasensa mune tembiricha yekudzora masisitimu.Pamudziyo wekudzora, tembiricha inodiwa inoiswa, uye iyo sensor inoratidza inofananidzwa nekushisa kunogadzirwa panzvimbo yakatarwa.
 
Mune iyo yakapfava system, kana tembiricha yasvika pane yakatarwa, inodzimwa, uye simba rinodzoserwa kumashure kana tembiricha yadonha.
Iyi sisitimu inodaidzwa kuti on/off control nekuti inobatidzwa kana kudzima.

Jekiseni pressure
Uku ndiko kudzvinyirirwa kunoita kuti mapurasitiki ayerere uye anogona kuyerwa nemasensa ari mumhuno kana mumutsara wehydraulic.
Iyo haina kukosha kwakatarwa, uye zvakanyanya kuoma kuzadza mold, iyo jekiseni yekumanikidza inowedzerawo, uye pane hukama hwakananga pakati pejekiseni mutsara kudzvanywa uye kudzvanywa kwejekiseni.
 
Nhanho 1 kudzvanywa uye nhanho 2 kudzvanywa
Munguva yekuzadza chikamu chejekiseni kutenderera, yakakwira jekiseni kudzvanywa inogona kudikanwa kuchengetedza jekiseni chiyero padanho rinodiwa.
High pressure haichadiwi mushure mekunge mold yazadzwa.
Nekudaro, mukuumbwa kwejekiseni reimwe semi-crystalline thermoplastics (senge PA nePOM), chimiro chinozodzikira nekuda kwekuchinja kwakangoerekana kwaitika mukumanikidza, saka dzimwe nguva hapana chikonzero chekushandisa yechipiri kudzvanywa.
 
Clamping pressure
Kurwisa jekiseni pressure, iyo clamping pressure inofanirwa kushandiswa.Panzvimbo pekusarudza otomatiki kukosha kwepamusoro kunowanikwa, funga nzvimbo yakatarwa uye uverenge kukosha kwakakodzera.Nzvimbo yakarongedzerwa yejekiseni chidimbu ndiyo nzvimbo yakakura inoonekwa kubva kune application nzira ye clamping force.Pamakesi mazhinji ekuumba majekiseni, angangoita matani maviri paskweya inch, kana 31 megabytes pa square metre.Zvisinei, iyi inokosha yakaderera uye inofanira kuonekwa sekutonga kwakashata kwechigunwe, nokuti kana chidimbu chejekiseni chiine hudzamu hupi, madziro emativi anofanira kufungwa.
 
Back pressure
Iyi ndiyo dzvinyiriro iyo screw inoda kugadzirwa uye kukwidziridzwa isati yadzokera kumashure.Iyo yakakwira yekumashure kudzvanywa inokodzera kugovera yunifomu yemavara uye kunyunguduka kwepurasitiki, asi panguva imwecheteyo, inowedzera nguva yekudzoka yepakati screw, inoderedza kureba kwefiber iri mupurasitiki yekuzadza, uye inowedzera kushushikana kwejekiseni. muchina.
Naizvozvo, iyo yakaderera kumashure kumanikidzwa, zviri nani, pasina mamiriro ezvinhu anogona kudarika jekiseni rekugadzira muchina kudzvanywa (yakanyanya quota) 20%.
 
Nozzle pressure
Nozzle pressure ndiyo dzvinyiriro yekupfura mumuromo.Zviri pamusoro pekumanikidzwa kunoita kuti plastiki ifambe.Iyo haina kukosha yakagadziriswa, asi inowedzera nekuoma kwekuzadza mold.Pane hukama hwakananga pakati pehudzvanyiriri hwenozzle, kudzvanywa kwemutsara uye kudzvanywa kwejekiseni.
Mumuchina wekujekiseni jekiseni, kudzvinyirirwa kwenozzle kunosvika gumi muzana pane kudzvanywa kwejekiseni.Mune piston jekiseni rekuumba muchina, kurasikirwa kwekumanikidza kunogona kusvika kusvika gumi%.Kurasikirwa kwekumanikidzwa kunogona kuita 50 muzana nemuchina wekuumba jekiseni repiston.
 
Jekiseni kumhanya
Izvi zvinoreva kumhanya kwekuzadza kwefa kana screw ichishandiswa sepunch.Kupisa kwepamusoro kunofanirwa kushandiswa mukuumbwa kwejekiseni yezvigadzirwa zvakatetepa-madziro, kuitira kuti glue yakanyunguduka inogona kuzadza mold zvachose isati yasimba kuti ibudise nzvimbo yakatsetseka.Akatevedzana akarongwa mareti ekupfura anoshandiswa kudzivirira hurema hwakadai sejekiseni kana kuteya gasi.Jekiseni rinogona kuitwa mune yakavhurika-loop kana yakavharwa-loop control system.
 
Pasinei nehuwandu hwejekiseni hunoshandiswa, kukosha kwekumhanya kunofanirwa kurekodhwa pane rekodhi pepa pamwe chete nenguva yejekiseni, inova nguva inodiwa kuti mold isvike iyo yakatemerwa yekutanga jekiseni kudzvanywa, sechikamu chenguva yekupuruzira screw.

 


Nguva yekutumira: 17-12-21