A. Zadza mibvunzo isina chinhu: (1 poindi yemubvunzo wega wega, zana nemakumi matatu nemana emapoinzi)
1. Iyo jekiseni yekuumba muchina inogona kukamurwa kuita ina mikuru masystem, iwo mana makuru masisitimu ndeaya: jekiseni system, chakuvhuvhu kuvhura uye kuvhara system, hydraulic hutachiona system, uye yemagetsi kudzora system.
2. Iyo tembiricha mujekiseni kuumbwa ndeiyi: tembiricha tembiricha, chando tembiricha, kuomesa tembiricha, hydraulic mafuta tembiricha, uye ambient tembiricha.
3. Iyo yekunamatira nzira yeiyo jekiseni kuumbwa muchina ndeiyi: yakananga yekumanikidza mhando, crank mhando, nezvimwe.
4. Iyo nguva iri jekiseni kuumbwa inoreva: jekiseni nguva, kumanikidza kubata nguva, kutonhora nguva, kutenderera nguva, yakaderera kumanikidza kuchengetedza nguva, nezvimwe.
5. Mhando dzakajairika dzeJapan michina yekuumba jekiseni inosanganisira: Nissei, Nippon Simbi, Fanuc, Sumitomo, Toshiba, nezvimwe.
6.Sikuru yemuchina wekuumba jekiseni yakakamurwa kuita zvikamu zvitatu: chikamu chekutanga chikamu chekudyisa, chikamu chepakati chikamu chepurasitiki, uye chikamu chekumashure ndicho chikamu chemameter.
7. Chiteshi cheglue chemuenzaniso chinogona kukamurwa kuva: kunongedzera glue, fanu yeglue, yakanyudzwa glue, inomhanyisa inopisa, yakananga glue, nezvimwe.
8. Iyo kemikari zita rePC zvinhu ndeye: polycarbonate, inowanzozivikanwa se bulletproof rubber, kuumba tembiricha 260-320 ℃, kuomesa tembiricha 100-120 ℃.
9. Iyo huru yezvinhu zvepurasitiki mbishi zvigadzirwa ndeye resin. Makumi mana anowanzo shandiswa enjiniya mapurasitiki ndeaya: PC, ABS, PA, uye POM.
10. Iyo tembiricha inoshandura tembiricha yePC iri 140 ℃, iyo shrinkage rate iri 0.4% -0.8%; iyo yekuomesa tembiricha iri 110 ± 5 ℃
11. Zvinoenderana nezvikonzero, mhando dzezvigadzirwa zvepurasitiki zvinogona kukamurwa kuita: kupisa kwekushushikana, kushushikana kwetishu, uye kushushikana kwakadzikira.
12. Kune nzira nhatu dzekuongorora kunetseka kwemukati kwezvigadzirwa: chiridzwa, kukanganisa, uye mushonga;
13. Iyo yakazara kupisa kweinopisa sosi mujekiseni metering maitiro: convection kupisa, conduction kupisa, shear kupisa, kupesana kupisa;
14. Iyo chaiyo yekubatanidza nzira yeiyo fomu yekufambisa nzira yemvura inofanira kunge iri: imwe mukati uye imwe kunze vezera-kune-vezera kubatana;
15. Ndeapi matanho matatu makuru ekumanikidza kumashure: kugona kwepurasitiki, kunaka kwepurasitiki, uye kunyatso kujeka kwepurasitiki;
16. Iyo yekuchenesa nguva yeforoma pamusoro panguva yekugadzira maitiro: 2H / nguva
17. Iwo mana anozivikanwa epurasitiki epurasitiki ndeaya: PC, POM, PA, PBT.
18. Iyo yakajairwa kumisikidzwa kwesikuru kusunungura paunenge uchigadzira yakanyanya-chaiyo zvigadzirwa pane 100T muchina ndeye: 3-5MM
19.7S inoreva: kurongedza, kugadzirisa, kutsvaira, kutsvaira, kuverenga, kuchengetedza uye kuchengetedza.
20. Nguva yekuzadza yemushumo wezuva nezuva panguva yekugadzirwa ndeye: 2H / nguva.
21. Mukufamba kwekutakudza muforoma, iyo mold ine kamuri yekudzika inodarika 40MM, inoda kutsiva iyo yakawedzera kamwene
22. Kushushikana kwemukati kushushikana kunowanikwa mune izvo zvinhu nekuda kwekristallisation, kutarisisa, shrinkage uye zvimwe zvikonzero mukushaikwa kwesimba rekunze
23. Iyo sikuruu yeiyo jekiseni kuumbwa muchina inogona kukamurwa kuita irikuendesa chikamu, compression chikamu uye metering chikamu
24. Kana paine kusagadzikana kwemhando mukugadzirwa, mutungamiri wechikwata anozobvunza nyanzvi kuti agadzirise mukati memaminitsi gumi mushure mekugamuchira ruzivo rwusina kujairika. Kana nyanzvi isingakwanise kuigadzirisa mukati meawa imwe chete, anofanirwa kumhan'arira foromani. Kana foromani asingakwanise kuigadzirisa mukati memaawa maviri, anofanira kuzivisa maneja wechikamu. Kana mukuru wechikamu asingakwanise kugadzirisa dambudziko mukati memaawa mana, anofanira kumhan'arira kune vezvehupfumi (mutevedzeri) maneja.
25. Ndeapi mafomu anoita ekugadziriswa kweforoma kunofanirwa kuitwa panguva yekugadzira? Muforoma yekugadzirisa fomu, chakuvhuvhu batch mangamu fomu, yekugadzira zuva nezuva mushumo.
26. Kazhinji kudira kwekuchinja kweiyo mold kunoumbwa nemumhanyi mukuru, mumhanyi, gedhi uye inotonhora slug tsime.
27. Zvakajairika kukanganisa kukanganisa jekiseni zvigadzirwa zvakagadzirwa zvinosanganisira batch matunhu, kushomeka kweglue, shrinkage, kuyerera mamaki, weld mamaki, deformation, kusagadzikana mamaki, uye kujeka shanduko.
28. Iyo inopisa sosi yeiyo pre-plastiki metering maitiro _ kukakavara kupisa uye viscous kupisa mukati meplastiki, kudziyisa kwechinhu chekupisa.
29. Kazhinji jekiseni vhoriyamu rinonyanya kuiswa pakati pe30% ~ 85% yeiyo yakanyanya jekiseni vhoriyamu yeiyo jekiseni Kuumbwa muchina.
30. Kana iyo tembiricha tembiricha yakasiyana, kubwinya kwechigadzirwa kunozove kwakasiyana. Kana chakuvhuvhu mhango chiri chemberi chakaumbwa, kana tembiricha yeforoma iri yakakwira, iyo sol inokodzera iyo mhango pamusoro yakasimba, uye jekiseni rakaumbwa chigadzirwa rinotaridzika zvakanyanya, zvikasadaro girazi rinozoenderana. Iyo tembiricha tembiricha inogara iripo.
31. Iyo yakakura sikuruu yekumanikidza, iyo inowedzera iyo pellets ichave, iyo inokasira kupisa kupisa pakati pemapellets, zvirinani kupatsanurwa kwehupfu, asi iyo huru iyo inoratidzira kuramba uye iyo diki iyo huwandu hwepurasitiki.
32. Basa hombe revhavha-yekudzivirira pinch ndeyekudzivirira kubuda kwepurasitiki panguva yekuumbwa kwejekiseni uye kumanikidza kubata nhanho.
33. Kunonoka kubata kumanikidza switch kunokonzera jekiseni kumanikidza kuti riwedzere, uye kunyange kupenya.
34. POM yakapfupikiswa se polyoxymethylene muchiChinese. Icho semi-crystalline zvinhu zvine yakanaka yemhando kugadzikana. Tembiricha inonyungudika inogona kumisikidzwa pakati pe190-210 ℃, uye tembiricha yekuumbika inofanira kunge iri pamusoro pe90 ℃.
35. Kana chikamu chepurasitiki chadzikira, danho rekutanga rinofanira kuve hushoma hunosara huwandu.
36. Ratidza mazita ezvikamu zvegadziriro yekuzadza: 1. Mhuno, 2. Musoro wekumusoro, 3. Mhete isingadzokere 4. Bhariri 5. Screw 6. Inopisa mhete 7. Mhete inotonhora. The sikuruwa jekiseni Kuumbwa muchina inogona kukamurwa irikupa chikamu, compression chikamu uye metering chikamu
37. Iko kupisa kwese kweinopisa sosi mujekiseni yekuyera maitiro: convection kupisa, conduction kupisa, shear kupisa, kupisa kwekukonana;
38. Zvigadzirwa zvepurasitiki zvinogona kukamurwa kuita mapurasitiki epurmoplastic uye epurasitiki yekumesa maererano nemaitiro avo akasiyana ekushisa.
39. Kana iyo hydraulic jekiseni kuumbwa muchina iri kumhanya, tembiricha yeiyo hydraulic mafuta inofanirwa kudzorwa pakati pe20-65 ° C.
40. Kune mold ine matatu-platen muforoma uye ina-platen muforoma ine yekunze bhureki uye muganho kudhonza, iwe unofanirwa kutarisisa kumisikidza iyo ejection daro
41. Yemukati kushushikana ndiko kunetsekana kunogadzirwa mukati mezvinhu nekuda kwekristallisation uye kutarisisa mukushaikwa kwesimba rekunze.
B. Mibvunzo yakawanda yekusarudza (2 mapoinzi pamubvunzo wega wega, makumi mana poindi)
1. Aya mapurasitiki emakristani anotevera ndi (C) A. ABS B.PMMA C.PA66 D.PVC
2.Ichienzaniswa neasina-crystalline mapurasitiki, makristasi epurasitiki (A) A. Crystalline shrinkage yakakura B. Amorphous plastiki shrinkage yakakura
3.Muchakarongeka jekiseni kuumbwa, iyo yakasara yakawanda yakasarudzika ku (B) A.0-2MM B.3MM-5MM C.7MM-10MM
4. Zvezvinhu zvePC, (A) inofanira kushandiswa kugadzirisa fluidity. A. Wedzera jekiseni tembiricha B. Wedzera jekiseni kumhanya
5. Kana iko pamusoro pehunhu hwechigadzirwa kuchidikanwa kuti kuve chakakwirira kana pazvinodikanwa kudzivirira kudonha viscosity nekukanganisa kwekutenderera panguva yejekiseni, ______ jekiseni rejekiseni uye ______ kumanikidza kunowanzo shandiswa. (C) A. kumusoro, pasi B. kumusoro, kukwirira C. pasi, kukwira D. pasi, pasi
6. Kujekesa jekiseni inzira yekuumba yeunyanzvi hwekugadzira (C). A, pasi B, mukuru C, mukuru
7. Mushure mekuwedzera girazi fiber kune PA, iko kuyerera kwekunyungudika kwayo ndeye (C) zvichienzaniswa neiyo yekutanga PA. A, isina kuchinjika B, kuwedzera C, kuderera
8. Iyo tembiricha tembiricha apo ABS jekiseni iri (A). A, 180 ～ 230 ℃ B, 230 ～ 280 ℃ C, 280 ～ 330 ℃
9.Mutemo wekuparadzira tembiricha yedhiramu remuchina wejekiseni unobva pane iyo hopper kuenda kunzira yemuromo (A). A, zvishoma nezvishoma kuwedzera B, zvishoma nezvishoma kuderera C, kukwirira pamativi ese uye pasi pakati
10. Iyo arc radius yemubhu iri yakakura kupfuura nharaunda ye main sprue, inozogadzira (A). A. Nyungudika kufashukira B, chigadzirwa flash C, chigadzirwa chigadzirwa D, zvese zviri pamusoro
11. Chikonzero chikuru chekuoma kwekudzora jekiseni zvigadzirwa zvakaumbwa ndeye (C). A. Tembiricha yekunyungudika yakanyanya kukwirira. B. Nguva yekutonhora yakanyanyisa. C. Chimiro cheforoma chakagadzirwa zvisina musoro.
12. Kana uchibairira thermoplastics, kana iyo tembiricha tembiricha yakanyanyisa, chigadzirwa chichagadzirwa (C). A. Chigadzirwa chinonamira kuforoma B, chigadzirwa chine fusion pateni C, chigadzirwa chine kupenya
13. Iyo nzira inoshandiswa pachimiro chekupomba uye chirongwa chekumhanyisa ndeye (A): A, inononoka-kukurumidza-inononoka B inokurumidza-yepakati-inononoka C inononoka-pakati-inokurumidza D inononoka-kutsanya-pakati
14. Iyo viscosity yePC zvinhu ndeye (B), uye kumhanya kwayo kwemetera kunofanirwa kuiswa maererano ne (B); Yakakwirira viscosity B yepakati viscosity C yakaderera viscosity
15. Mumatanho anotevera, (D) anogona kuvhara jekiseni muforoma zvakanyanya. A, jekiseni kumanikidza B, kubata kumanikidza C, mhango kumanikidza D, kuomesa simba
16. Kana iyo tembiricha tembiricha yakakwira, iyo yemhando yepamusoro inofanirwa kuve (D); Iko kwakanaka deformation B yakanaka yemhando kugadzikana C yakanaka shrinkage D chitarisiko chakanaka
17. Iko kunaka kwenzvimbo yekuzadza iri nyore kuoneka (B); A yakabatwa B, iyo burr C yakakura muhukuru
18. PC zvinhu, yakaderera muforoma tembiricha, yakaderera yekuzadza kumanikidza, chigadzirwa zviri nyore kuoneka (B); Mutsara mukuru wekunamatira B kushaya kwe glue C isina kugadzikana mhando
19. Ndeapi maitiro mamiriro ezvinhu ari nyore pakubaya zvigadzirwa zvakaonda-nemadziro (C); A kukurumidza B kunonoka C kukurumidza kupfupi kupfura
20. Iyo tembiricha tembiricha yakakwira, uye iyo tembiricha tembiricha yakakwira, uye chigadzirwa chinowanzoitika kune mamiriro (B); Mhepo yakavharirwa B batch pamberi C kushanduka
C. Mibvunzo isingagumi yakasarudzwa-yakawanda: (3 poindi yemubvunzo wega wega, gumi nemashanu zvibodzwa)
Bvisa iyo weld tambo yechigadzirwa: (A C D E F) Kuwedzera tembiricha tembiricha B kudzikisira tembiricha tembiricha C kuwedzera jekiseni kumanikidza D mhanyisa jekiseni kumhanya E kunatsiridza chiutsi
2. Iyo nzira yekuvandudza iyo inokanganisa deformation yechigadzirwa ndechekuti: (ACFG) A, dzikisa kumanikidza B, wedzera kubatirira kumanikidza C, kupfupisa nguva yekubata D, kuwedzera jekiseni E, kuderedza nguva yekutonhora F, kudzikisira furu tembiricha G, uye kudzora kudzinga kumhanya
3. Izvo zvivakwa zvePA66 zvinofanirwa kunge zviri: (A), (B); A, crystalline, B, chafariz, C, isiri-crystalline, D, isina-kupisa
4. PMMA zvimiro zvemuviri zvinofanirwa kunge zviri (C), (D); A crystalline B thermal effect C isiri-crystalline D isiri-yekupisa maitiro
5. Batidza inopisa tembiricha yemumhanyi pamberi (B); apo vashandi pavanoda kubva (C) dzimai mumhanyi anopisa A maminetsi mashanu B maminitsi gumi C maminitsi gumi nemashanu D maminetsi makumi maviri
D. Chokwadi kana Nhema (Mubvunzo 1 poindi, zvisere zvisere)
1. Iyo inotonhorera yekumisikidza maitiro inotanga kubva pagedhi "yakabata kumanikidza" kudzamara chigadzirwa chabviswa. Mushure mekunge kumanikidzwa kwekubata kwabviswa, kusungunuka mukati mevhu kunoramba kuchitonhorera uye kuumbika, kuitira kuti chigadzirwa chigone kumira deformation inobvumidzwa panguva yekubviswa. ()
2. Chirevo chekugadzira chezuva nezuva chete chinoda kuitwa panguva yechigadzirwa chekuongorora ()
3. Kuwanda kweCCTQ kuongorora panguva yekugadzirwa ndeye 6 / nguva ()
4. Wedzera tembiricha yekuumbisa, deredza post-shrinkage, uye udzikise shanduko yesarudzo (kurudyi).
5. Iyo yakanakisa jekisheni yekumhanyisa kumhanyisa inoita kuti iyo nyungudika kuyerera kuburikidza nenzvimbo yegedhi pane inononoka chiyero kudzivirira maspray mamaki uye yakanyanyisa shear kushushikana, uyezve wobva wawedzera kuyerera kwekuzadza kuzadza yakawanda yeforoma mhango nekunyungudika. (Ndizvozvo)
6. Mukugadzirwa kwakazara otomatiki, kana manejimendi asingabudise chigadzirwa, maaramu ekumanikidza, tanga wadzima alarm yekushandisa. (zvisizvo).
7. Hunhu hwezvigadzirwa zvinogadzirwa masikati neusiku zvakasiyana. Dambudziko riri mune tembiricha isina kugadzikana yeforoma uye nharaunda. (Ndizvozvo)
8. Iyo yakakura nzvimbo yemuchinjikwa-inoyerera yenzira yekuyerera, inowedzera kutapurirana kwekumanikidza, uye zvakanyanya kuratidza kushanda kwekudyisa. (zvisizvo)
E. Mibvunzo nemhinduro: (5 poindi pamubvunzo wega wega, mibvunzo gumi yakazara)
Ndezvipi zvikonzero zvetambo yesirivha?
Mhinduro: 1. Cold rubber kukwesana kugadzirwa; 2. Mashoko acho haana kuomeswa zvachose; 3. Kumanikidza kwacho kwakanyanya; 4. Iyo resini yakaora; 5. Icho kupisa tembiricha uye tembiricha yezvinhu zvakaderera; 6. Iko kuzadza kumhanya kunononoka.
2. Nguva yekupisa yemumhanyi anopisa yakarebesa, uye ichatanga kugadzirwa zvakare. Chii chaunofanirwa kuita sehunyanzvi panguva ino?
Mhinduro: Chekutanga, pfura huni 3-4 nehubhu yezvinhu isina chinhu, wobva waenzanisa kamuki neyaizi, wobva wavhura iyo furu, uye wovhara yumba yekumashure nechidimbu chekadhibhodhi kudzivirira kuora kwezvinhu kusapfurwa kuenda chiumbwa chekumashure. Zvakaoma kuchenesa. Ukasateerera, zvinokonzeresa kumanikidza muforoma. .
3. Nei uchichenesa iyo PL pamusoro panguva yakajairwa kugadzirwa? sei?
Mhinduro: Iko pamusoro peforoma mune zvakajairika kugadzirwa kunoitika kune kunofambira mberi magetsi. Zvimwe zvimedu zverabha uye zvimedu zvesimbi zvinowira kumucheto wefa kana chakuvhe chikavhurwa nekuvharwa, izvo zvinogona kukonzera kukuvara kune iyo kufa.
4. Ndezvipi zvinhu zvakakosha zvinoratidzika panzvimbo yekuparadzanisa?
Mhinduro: Iyo tembiricha tembiricha uye tembiricha yezvinhu yakanyanya kukwirisa, iko kuzadza kumanikidza kwakakwirira, iko kuzadza kumhanya kuri kukurumidza, kumanikidza kumanikidza kwakakurumidza, kumanikidza kubata kwakakura, iko kuzadza chinzvimbo kunoshandurwa kunonoka, kumanikidza kwekumanikidza hakuna kukwana, uye muchina tonnage yakakura.
5. Ndezvipi zvinhu zvinokonzeresa kusagadzikana kwemhando uye saizi?
Mhinduro: Iyo tembiricha tembiricha yakanyanya kukwirira, iyo inotonhora nguva ipfupi, iyo ambient tembiricha haina kugadzikana, iyo inotonhorera mvura tembiricha haina kugadzikana, iyo inoita mafuta tembiricha haina kugadzikana, iyo countercurrent mhete yakakuvara zvakanyanya, iyo dhiramu tembiricha haina kujairika, iyo inotonhora glue musoro yakawandisa, resin inoramba isina kuenzana muhukuru.
6. Kudzivirirwa kweMold, ndezvipi zvinhu zvaunofanira kufunga nezvazvo semuchinda foromani?
Mhinduro: Iko kunzwisisika kwemuganho switch, yakaderera-magetsi clamping simba, yakaderera-voltage clamping kumhanya, yakaderera-voltage yekumisikidza chinzvimbo, uye iyo yekukochekera yekutarisa nguva inoiswa kuti inonoke, diki, uye zvirinani.
7. Sei muchina usingakwanise kumiswa zvisina kurongeka kana uchigadzirisa iko kwehunyanzvi kana ukavhurwa?
Mhinduro: Pachave neinotonhora tembiricha uye viscosity mutsauko Pachave nekusiyana kweiyo tembiricha tembiricha, zvakaoma kudzora iyo yeimwe kurongeka, zvichikonzera kugadziridza kwenguva yakareba, kurasikirwa kwezvinhu, uye yakaderera kugadzirwa kwekuita.
8. Mukugadzirwa kwese, tembiricha uye kumanikidza hakugone kuchinjwa paunoda. Sei?
Mhinduro: Iko kumanikidza kunokanganisa kuyerera kwemafuta tembiricha, kutonhora kwemvura inotonhorera, tembiricha tembiricha, tembiricha tembiricha uye zvimwe shanduko kwenguva yakareba, kazhinji zvinopfuura 3-4H kuti igadzikane, kana paine shanduko, hunhu hunofanirwa akaramba akasimbisa.
9. Kana hunhu husina kujairika, kana maitirwo ehurongwa achida kuchinjwa, inguvai inofanira kusunungurwa isati yaongororwa?
Mhinduro: Chekutanga, nguva yekumanikidza inofanirwa kuburitswa, uye kuongororwa kunofanira kutanga kubva pane irabha pepa.
10. Hunhu hauna kugadzikana, ndezvipi zvinhu zvinoonekwa kubva muchina?
Mhinduro: Iyo yekuzadza chinzvimbo, yekuzadza nguva, yekuyera nguva, yekuzadza chaiyo kumanikidza uye muchina mhando manejimendi tafura inogona kuoneka.
F. Mibvunzo yekuongorora: (gumi mapoinzi pamubvunzo wega wega, mibvunzo mitanhatu yakazara)
Ndezvipi kugadzirira pamberi jekiseni Kuumbwa?
1) Inzwa Zvinotaurwa mureza Kuumbwa ezvinhu
2) Kuchenesa uye kuomesa kwezvinhu
3) Preheating pamusoro Foroma
4) Kuchenesa kwedhiramu
2. Ndezvipi zvinhu zvinokonzeresa kuoneka kusagadzikana kwezvikamu zvepurasitiki?
Mhinduro: Izvo zvinhu zvinokonzeresa kudzikama kusagadzikana kwezvikamu zvepurasitiki ndezvi:
1) Iyo yemagetsi uye hydraulic system yemuchina wejekiseni haina kugadzikana;
2) Iyo yekudyisa huwandu haina kugadzikana;
3) Mapundu epurasitiki asina kuenzana uye kusadzikama kushoma;
4) Iyo yekuumba mamiriro (tembiricha, kumanikidza, nguva) shanduko, uye kuumba kutenderera hakuenderane;
5) Gedhi rakanyanya kudiki, saizi yemazhinji-mhango yekudyara chiteshi haienderane, uye chikafu hachina mwero;
6) Yakashata muforoma kunyatsoita, kusagadzikana kufamba kwezvinhu zvinofambiswa zvikamu uye zvisina kukodzera nzvimbo.
3. Mukugadzirwa kwejekiseni muforoma, basa rei pakuumba tembiricha yekugadzirisa?
1) Kugadziriswa kwetembiricha kunoreva kutonhora kana kudziyisa jekiseni muforoma.
2) Kugadziridzwa kwetembiricha hakungowirirana nekwakaringana kweiyo chikamu chepurasitiki, mechiniki zvimiro zvepurasitiki chikamu uye nemhando yepamusoro pechikamu chepurasitiki, asi zvakare kugadzirwa kwejekiseni. Naizvozvo, iyo tembiricha yekuumbwa inofanira kudzorwa padanho rakaringana zvinoenderana nezvinodiwa. Kuti uwane zvikamu zvepurasitiki zvemhando yepamusoro uye negoho rakakura.
4. Chii chinonzi shrinkage yepurasitiki, uye ndezvipi zvinhu zvakakosha zvinokanganisa shrinkage yepurasitiki?
Mhinduro: Mushure mekuburitswa kwepurasitiki kubva muforoma uye kutonhorera kutembiricha yemukamuri, hunhu hwesvikiro hwakatenderera hunonzi shrinkage. Sezvo shrinkage iyi isingakonzerwe chete nekuwedzera kwekushisa uye kudzvinyirira kweiyo resini pachayo, asi zvakare zvine chekuita nezve dzakasiyana siyana zvinhu zvekuumba, iyo shrinkage yepurasitiki chikamu mushure mekuumba inonzi kuumba shrinkage. Izvo zvakakosha zvinhu zvinokanganisa iyo shrinkage rate inosanganisira:
1) Mhando dzePurasitiki;
2) Chipurasitiki chikamu chimiro;
3) Chimiro chimiro.
4) richigadzirisa muitiro.
5. Ndokumbirawo utsanangure muchidimbu basa rekumanikidza kumashure. (Gumi poindi)
1) onai kuti yakakwana michina simba rinogona kugadzirwa kuti rinyungudike uye rivhenganise plastiki
2) Bvisa magasi asina kugadzikana anosanganisira mweya kubva pombi yezvinhu
3) Sanganisa zvinowedzerwa (senge toner, ruvara masterbatch, antistatic mumiriri, talcum upfu, nezvimwewo) uye nyungudika zvakaenzana
4) Ita kuti kuyerera kwehupamhi kuve kwakasiyana uye kubatsira homogenize kunyungudika kwehurefu hwehurefu
5) Ipa yunifomu uye yakagadzikana epurasitiki zvigadzirwa kuti uwane chaiyo chigadzirwa mhando kutonga
6. Kana mavara matema achiwanzogadzirwa kana uchigadzira michena kana yakajeka zvinhu, uchaigadzirisa sei? (Ndokumbirawo utsanangure muchidimbu yako mhinduro mhinduro) (makumi maviri poindi)
1) Chinja maitiro ekugadzirira maitiro: dzivisa kusvibiswa kwezvinhu zvakasvibirira uye gadza yakakodzera mamiriro ekuomesa;
2) Chinja iyo dhizaini dhizaini: yakanyanya kuomarara yakatwasuka kumhanya, mamhanyi, magedhi uye kunyangwe iwo mukobvu wemadziro epurasitiki zvikamu zvinogona kuburitsa zvakanyanya kupisa shear, izvo zvinoita kuti zvinhu zvakapisa kupisa zvinyanye kupisa uye zvichikonzera kutsemuka. Iwe unogona kuyedza kuwedzera yakatwasuka Vanomhanya, vanomhanya, magedhi;
3) Yachena chakuvhuvhu uye sikuruwa nguva dzose: mumhanyi sisitimu uye yekumusoro pamusoro inofanira kucheneswa kana kupukutwa nguva dzose kudzivirira kuwanda tsvina;
4) Sarudza iwo marongero emuchina wekuumba wakakodzera muforoma: Kana iwe ukasarudza sikuruu yakakodzera yeplastiki yakashandiswa, iyo vhoriyamu vhoriyamu inowanzo chengetwa mukati me20% -80% yezvakatemwa, uye tarisa kana iyo yekupisa ndiro kana hita iri invalid;
5) Chinja mamiriro ekuumba: senge kudzikisa kudziya tembiricha, kudzikisa kumashure kumanikidza uye sikuruu kumhanya, nezvimwe.
