Nhasi, tevera Qingdao Sainuo ope wakisimanufacturer to learn about common problems and solutions in PVC injection foaming shoe material molding. 

ope wax yePVC mugadziri

1. Kufashukira flash
(1) Kana chisimbiso chekufa chisina kusimba, dhizi rinofanira kugadziriswa.
(2) Kutonhora kunononoka. Kutonhodza kunofanirwa kuvandudzwa uye kumhanya kwekutonhora kunofanira kuwedzerwa. Zvakanakisa kupfuudza mvura inotonhorera kuburikidza nepasi mold, uye kutonhora kwekuita kwakanaka.
(3) Kuwedzera jekiseni vhoriyamu uye kudyisa. Inofanira kuderedzwa zvakakodzera.
(4) Musanganiswa wakashata wenguva yeplasticizing uye kudzvanywa kwejekiseni. Mushure mekuyera hukama hwehukama pakati pekumanikidza uye nguva yekupupa, zvine musoro gadzirisa kudzvanywa kwejekiseni uye nguva yekupupa.
(5) Chigadziko chemukati chedhishi chakamonyoroka uye chakaremara. Imba yemukati inofanira kugadziriswa kana kuchinjwa.
(6) Kusakwana clamping simba nekuda kwekubuda kwemafuta ehydraulic system. Iyo hydraulic system inofanirwa kugadziriswa.
(7) Chitubu chiri papini die hook chakanyanya kuserera. Chitubu chinofanira kuchinjwa kuti chiwedzere kushushikana kwehoko.
(8) Nguva yekuisa haina kukwana, uye pamusoro pechigadzirwa hachina kunyatsotonhorera. Panguva yekuvhura kwekutanga mold, zvinhu zvinopisa zviri pakati zvinoputika nepamusoro uye zvinopfachukira. Nguva yekutanga yekuvhura mold ichawedzerwa zvakakodzera.
2. Kune mabhuru mahombe
(1) Hukuru
(2) Panguva yekukanya uye granulation, tembiricha yekugadziridza yakakwira zvakanyanya, iyo inopupa inoora nguva isati yakwana, uye zvimedu zvine furo chiitiko. Kukanyira uye tembiricha yegranulation ichadzikiswa zvakafanira, uye hapazove nemavhesi kana maburi akachekwa.
(3) Nguva yekuchengeta yezvinhu zvakanyungudutswa mudhiramu yakarebesa kana tembiricha yekugadzira yakakwira zvakanyanya. Rapid pre molding ichagamuchirwa. Iyo yepurasitiki yakanyunguduka ichaiswa jekiseni panguva imwe, uye imwe muchina weakawanda-modhi kugadzirwa ichagamuchirwa kusvika pazvinobvira.
(4) Kudzvinyirirwa kumashure kwescrew idiki zvakanyanya, uye zvinhu zvakanyungudutswa zvinodziiswa nekuwedzerwa mudhiramu. Kumanikidzwa kwemashure kunofanirwa kuwedzerwa kuitira kuti pasave nemukana wekuwedzera kwepamberi mushure mekunge iyo inoputika mumiriri inonyungudutswa yakaora nekupisa.
(5) Kubuda kwezvinhu kumucheto kwebhodhoro kunoumba nzvimbo yakaderera-inodzvinyirira pamagumo ekubuda, zvichiita kuti kuwedzerwa kwezvinhu zvakanyungudutswa pakubuda uye kuumbwa kwemabhuru. Tembiricha yekubuda nayo inodzikiswa zvakanaka. Zvakanakisa kugashira throttle valve chimiro panzvimbo yekubuda kuti iname iyo yekupedzisira yekubuda.
(6) Kudzokorodza chikamu chezvekushandisa zvakare hakuna kunaka. Chiyero chayo chichaderedzwa zvakakodzera.
3. Foaming ratio yakakurisa
(1) Kufuridza kwakanyanya kunopihwa chikafu, zvichikonzera kugadzirwa kwegasi rakawandisa. Kubuda kwegasi kuchayerwa uye kudyisa kuchave kwakaringana.
(2) Huwandu hweplasticizer hwakawandisa uye hunofanira kuderedzwa zvakakodzera.
(3) Kana iyo mold inodhonza tembiricha yakanyanya, mold ichatonhodzerwa pasi uye kudhonzwa kunze.
(4) Kumanikidza kubata nguva ipfupi. Ichave nechokwadi chekuti zvigadzirwa zvakaumbwa zvakazara uye zvobva zvabuda mu mold.
4. Kusakwana kwefuro reshiyo
(1) Huwandu hweajenti yekufuridza idiki kwazvo, zvichikonzera kusakwana kwekugadzira gasi. Kubuda kwegasi kuchayerwa uye kudyisa kuchave kwakaringana.
(2) Huwandu hweplasticizer hwakanyanya kudiki. Huwandu hwekudya huchawedzerwa zvakafanira.
(3) Kana chigadzirwa chagadziriswa kechipiri, nguva yekuwedzera yechipiri ipfupi. Nguva yekubika yekupupa panguva yekugadziriswa ichawedzerwa zvakafanira, uye nguva iri pakati pekutanga neyechipiri kupupa haifaniri kudarika maawa gumi nemaviri.
(4) Kana paine pendi yekubikira mapatani pamusoro pechigadzirwa, zvinoratidza kuti kuwedzera uye kupupa kwekutanga kuvhurika mold kunonoka. Nguva yekutanga yekuvhura mold ichapfupiswa zvakakodzera.
(5) Kana paine mabhuru madiki pamusoro pechigadzirwa, zvinoratidza kuti tembiricha yejekiseni yakadzikira. Kupisa kwejekiseni kunofanira kuwedzerwa zvakakodzera. Nekudaro, kana kupupa kuchiri kusati kwaitika mushure mekunge tembiricha yekuumba yawedzera, nguva yekutanga yekuvhura mold inofanirwa kupfupikiswa.
5. Aperture isina
kuenzana (1) The particle size ye foaming agent haienderani uye kupararira hakuna kunaka. Mushonga unobuda furo uchashandiswa mushure mekukuya.
(2) Yakanyanya kuderera jekiseni kudzvanywa kana kunonoka jekiseni kumhanya kunoita kuti kunyungudika kuwedzere panguva yekuzadza mold uye kuumba mabhuru ehukuru hwakasiyana. Iko kumhanya kwejekiseni kunofanirwa kukwidziridzwa zvakanaka uye kudzvanywa kwejekiseni kunofanirwa kuwedzerwa.
(3) Kugadzira tembiricha yakanyanya. Ichaderedzwa zvakakodzera.
(4) Mudhiramu mune zvinhu zvakawandisa. Yekutanga yekunyomba bvunzo inofanira kuitwa kuderedza kuchengetedza.
(5) Kusakwana screw back pressure. Inofanira kuvandudzwa zvakanaka.
6. Kuora mwoyo kwakasimba
(1) Chigadzirwa chacho chakanyanya kuonda, uye kunyunguduka kunoenderana nehombe yekuyerera kupikisa panguva yekuzadza mold, zvichiita kuti kuderedzwa kwakaderera uye kusakwana kwe mold kuzadza mune zvimwe zvikamu. Ukobvu hwechigadzirwa huchagadzirwa zvine musoro. Kazhinji, ukobvu husina furo huchapfuura 6mm, uye ukobvu huchava hwakafanana sezvinobvira.
(2) Kutonhodza hakuna kuenzana, uye zvimwe zvikamu zvinokurumidza kutonhodzwa, zvichiita kuti furo riome. Chigadzirwa chacho chichatonhodzwa zvakaenzana, uye iyo inotonhorera yefa inofanira kuiswa zvine musoro maererano nemaitiro emuviri wechigadzirwa.

7. Kuora mwoyo kwegedhi
(1) Saizi yegedhi yakakura kwazvo. Ichaderedzwa zvakakodzera.
(2) Nguva yekubata ipfupi uye kubvisa kufa kunokurumidza. Iyo yekumanikidza kubata nguva ichawedzerwa zvakakodzera.
(3) Kugadzira tembiricha yakanyanya kana kuderera. Ichagadziriswa zvakakodzera.
(4) Iyo hydraulic system yemuchina wekuumbwa haina kunaka uye kudzvanywa kwejekiseni hakuna kukwana. Iyo hydraulic system inofanirwa kugadziriswa kuti iwedzere kudzvanywa kwejekiseni.
8. Zvisaririra zvezvinhu zvinoyerera
(1) Tembiricha yekuumba yakadzikira zvakanyanya kana musiyano wetembiricha munzvimbo yega yega yekudziya wakakurisa. Iyo tembiricha yekuumba ichawedzerwa zvakanaka uye tembiricha yekudziya yechikamu chimwe nechimwe ichagadziriswa.
(2) Kumhanyisa jekiseni kunonoka. Inofanira kukurumidziswa zvakakodzera.
(3) Kusakwana kwezvinhu zvekushandisa. Huwandu hwekudya huchawedzerwa zvakafanira.
9. Kupenya kwakashata
(1) Iyo resin viscosity yakanyanya kukwirira uye kunyura kweplasticizer hakuna kuenzana. Resin ichasarudzwa zvine musoro.
(2) Bvubvu shrinkage inoumba nzvimbo isina kuenzana ine gomba. Chikonzero chebullae chichawanikwa uye mhosva yebullae ichabviswa.
(3) The molding die tembiricha yakadzikira. Tembiricha yekuumba inofanira kuwedzerwa zvakakodzera.
(4) Kupera kwakashata kwepamusoro kana kukora kwegomba re mold. Iyo pamusoro pekupedzisira yefa ichagadziridzwa.
(5) Pane zvisaririra pamusoro pegomba re mold. Iyo mold gomba inofanira kucheneswa.
6 Panyaya iyi, nzira dzekubatsira dzakadai sekupfapfaidza kwemavara uye kupuruzira dzinogona kushandiswa kuvandudza kupenya kwepamusoro.
10. Ruvara rusina kuenzana
(1) Pigment haina kuyerwa zvakarurama. Inofanira kuyerwa nemazvo.
(2) Pigment yakaparadzirwa zvisina kuenzana. Iyo pigment inofanira kukuyiwa uye kudzvanywa neguyo.
(3) Hunhu hwepigment hahuna kunaka, ruvara rwunochinjika, uye simba rayo rekupenda harina kusimba. Pigment ine yakanaka coloring performance ichasarudzwa.
(4) Tembiricha yePlastiki yemunharaunda yakakwira zvakanyanya, zvichikonzera kushanduka. Tarisa iyo yekudziya system uye kuderedza kupisa kwenzvimbo.
(5) Pane pendi yekubheka mapatani pamusoro pekuita mutsauko weruvara. Nguva yekutanga yekuvhura mold ichapfupiswa zvakakodzera.
11. Raw material
(1) Insufficient molding tembiricha uye urombo plasticization. Iyo yekudziya system inofanirwa kuongororwa kuti iwedzere kuumba tembiricha.
(2) Kugadzirwa kwezvinhu zvakasvibiswa hazvina musoro. Iyo formula inofanira kugadziriswa.
12. Layering
(1) Yakawandisa furo agent. Inofanira kuderedzwa zvakakodzera.
(2) Molding tembiricha yakanyanya. Ichaderedzwa zvakakodzera.
(3) Kuronga nguva ipfupi. Nguva yekutonhora uye yekuisa ichawedzerwa zvakakodzera.

13. Deformation
(1) The anopupuma nhamba nechepasi pemvura uye pamusoro penyika chigadzirwa dzisingapindirani kana veko achipupuma furo reshiyo hahusvikirwi. Kupisa kwekupisa kwe mold kuchaongororwa. Ukobvu hwehuwandu hwehutu hunofanira kunge hwakakodzera uye kutonhora kunofanira kunge kwakafanana.
(2) Kutonhodza uye kuseta nguva ipfupi. Nguva yekutonhora uye yekuisa ichawedzerwa zvakakodzera.
(3) Iyo yekushushikana kugovera mune condensation layer yechigadzirwa haina kuenzana. Tarisa kugovera kwekushisa kwe mold uye gadzirisa condensation stress yezvinhu zvakanyungudutswa.
(4) Kudzora kusina kukodzera kwe mold discharge nguva, kana kuti kutanga kubudiswa kwe mold, overheating mold discharge; Kana kuti mold yanonoka uye mold yanyanya kutonhora. Nguva yekupera ichagadziriswa zvine musoro.
14. Dimensional kusagadzikana
(1) Foam muganhu wekudzora wakasiyana. Foam muganho unofanira kunyatsodzorwa.
(2) Mune imwe batch uye imwe mold kugadzirwa, kana kutonga kwekugadzira tembiricha uye yemhando nguva zvakasiyana. Iko kuenderana kwemamiriro ekuita kuchadzorwa zvakanyanya, yekutanga mock bvunzo nzira inogona zvakare kushandiswa kugadzirisa kuenderana kwezvigadzirwa.
(3) Iko kukanganisa kwekuumbwa kunodarika kukanganisa kwehuwandu hwekupupa. Iyo dhishi ichachekwa kuti kuderedze kukanganisa kufa.
(4) Kusaenzana mold kuzadza kana mold deformation kwenguva yakareba. Iyo saizi yehumiro ye mold gating system ichagadziriswa, uye mold ichagadziriswa kudzikisa kukanganisa.
(5) Die leakage. Iyo mold inofanira kuderedzwa.
(6) Kutonhora kusingawirirani kwezvigadzirwa. Iyo mold yekudziya uye yekutonhodza system inofanirwa kutariswa kuti ive nechokwadi chekuti tembiricha yepamusoro ye mold yakafanana.
(7) Kusakwana clamping simba. Iko kushushikana kweiyo draw hook spring kuchagadziriswa kuti iwedzere zvakakodzera simba rekumanikidza.
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