Kodayake robobi suna da kyawawan kaddarorin, ba kowane nau'in robobi ba ne zai iya samun duk kyawawan kaddarorin. Dole ne injiniyoyin kayan aikin injiniya da masu zanen masana'antu su fahimci kaddarorin robobi daban-daban don zana ingantattun samfuran filastik. Abubuwan da ke cikin filastik, ana iya raba su zuwa ainihin kayan jiki, kayan injin, kayan zafi, kayan sinadarai, kayan gani da kayan lantarki, da sauransu. Injin robobi suna nufin robobin masana'antu da ake amfani da su azaman sassan masana'antu ko kayan harsashi. Su robobi ne tare da kyakkyawan ƙarfi, juriya mai tasiri, juriya na zafi, taurin da kaddarorin tsufa. Masana'antar Jafananci za ta ayyana shi a matsayin "za a iya amfani da shi azaman sassa na tsari da injiniyoyi na robobi masu girma, juriya mai zafi sama da 100 ℃, galibi ana amfani da su a masana'antu".
A ƙasa za mu lissafa wasu da aka saba amfani da sukayan gwaji:
1.Fihirisar Ruwan Narke(MFI):
An yi amfani da shi don auna yawan narkewar ƙimar MFR na robobi daban-daban da resins a cikin yanayin kwararar danko. Ya dace da robobin injiniya irin su polycarbonate, polyarylsulfone, robobin fluorine, nailan da sauransu tare da yawan zafin jiki na narkewa. Har ila yau dace da polyethylene (PE), polystyrene (PS), polypropylene (PP), ABS guduro, polyformaldehyde (POM), polycarbonate (PC) guduro da sauran filastik narkewa zafin jiki ne low gwajin. Haɗu da ma'auni: ISO 1133, ASTM D1238, GB/T3682
Hanyar gwajin ita ce barin barbashin filastik su narke cikin ruwa mai filastik a cikin wani ɗan lokaci (minti 10), ƙarƙashin wani yanayin zafi da matsa lamba (ma'auni daban-daban na kayan aiki daban-daban), sannan su fita ta hanyar diamita 2.095mm na adadin gram. (g). Mafi girman ƙimar, mafi kyawun sarrafa kayan aikin filastik, kuma akasin haka. Ma'aunin gwajin da aka fi amfani dashi shine ASTM D 1238. Na'urar ma'aunin wannan ma'aunin gwajin shine Melt Indexer. Takamaiman tsarin aikin gwajin shine: kayan aikin polymer (roba) da za a gwada ana sanya su a cikin ƙaramin rami, kuma an haɗa ƙarshen tsagi tare da bututu mai bakin ciki, diamita na 2.095mm, kuma tsawon sa. tube ne 8 mm. Bayan dumama zuwa wani zafin jiki, an matse saman ƙarshen ɗanyen abu zuwa ƙasa ta wani nau'in nauyi da piston ɗin ke amfani da shi, kuma ana auna nauyin kayan a cikin mintuna 10, wanda shine ma'aunin kwararar filastik. Wani lokaci za ku ga wakilcin MI25g/10min, wanda ke nufin cewa an fitar da gram 25 na filastik a cikin minti 10. Ƙimar MI na robobin da aka saba amfani da su shine tsakanin 1 da 25. Mafi girman MI, ƙarami da ɗanƙon ɗanyen filastik kuma ƙarami nauyin kwayoyin; in ba haka ba, girman danko na filastik kuma mafi girman nauyin kwayoyin halitta.
2.Universal Tensile Testing Machine(UTM)
Na'ura mai gwadawa ta duniya (na'urar tatsi): gwada juzu'i, tsagewa, lankwasawa da sauran kayan aikin filastik.
Ana iya raba shi zuwa rukuni kamar haka:
1)Ƙarfin ƙarfi&Tsawaitawa:
Ƙarfin ƙira, wanda aka fi sani da ƙarfin ƙarfi, yana nufin girman ƙarfin da ake buƙata don shimfiɗa kayan filastik zuwa wani matsayi, yawanci ana bayyanawa dangane da yawan ƙarfin kowane yanki na yanki, kuma adadin tsayin tsayin shine tsawo. Ƙarfin jujjuyawar saurin jujjuya samfurin yawanci 5.0 ~ 6.5mm/min. Cikakken Hanyar gwaji bisa ga ASTM D638.
2)Ƙarfin sassauƙa&Karfin lankwasawa:
Ƙarfin lanƙwasawa, wanda kuma aka sani da ƙarfin sassauƙa, ana amfani da shi ne musamman don tantance juriya na robobi. Ana iya gwada shi daidai da hanyar ASTMD790 kuma galibi ana bayyana shi dangane da yawan ƙarfin kowane yanki. Babban robobi zuwa PVC, guduro melamine, resin epoxy da ƙarfin lankwasa polyester shine mafi kyau. Hakanan ana amfani da fiberglass don inganta juriya na nadewa na robobi. Lanƙwasawa na lanƙwasa yana nufin damuwa mai lanƙwasawa da aka haifar kowace juzu'in adadin nakasar a cikin kewayon roba lokacin da aka lanƙwasa samfurin (hanyar gwaji kamar ƙarfin lanƙwasa). Gabaɗaya, mafi girman ƙarfin lanƙwasawa, mafi kyawun rigidity na kayan filastik.
3)Ƙarfin matsi:
Ƙarfin matsawa yana nufin iyawar robobi don jure ƙarfin matsawa na waje. Ana iya ƙayyade ƙimar gwajin bisa ga hanyar ASTMD695. Polyacetal, polyester, acrylic, urethral resins da meramin resins suna da kyawawan kaddarorin ta wannan fannin.
3.Na'urar gwajin tasirin Cantilever/ Sna'urar gwajin tasirin tasirin katako mai goyan baya
Ana amfani da shi don gwada tasirin taurin kayan da ba na ƙarfe ba kamar takardar filastik mai wuya, bututu, kayan siffa na musamman, ƙarfafa nailan, fiber ɗin gilashin da aka ƙarfafa filastik, yumbu, kayan simintin ƙarfe na simintin ƙarfe, da dai sauransu.
A cikin layi tare da ma'auni na kasa da kasa TS ISO 180-1992 "Filastik - Ƙaddamar da ƙarfin ƙarfin abu mai wuya"; Standarda'idar GB / T1843-1996 "Hanyarin gwajin tasirin tasirin filastik mai wuya", ma'aunin masana'antar injiniya JB / T8761-1998 "na'urar gwajin tasirin filastik filastik".
4.Environmental gwaje-gwaje: simulating da yanayin juriya na kayan.
1) Incubator zafin jiki na yau da kullun, injin gwajin zafin jiki akai-akai da injin gwajin zafi shine na'urorin lantarki, sararin samaniya, mota, kayan gida, fenti, masana'antar sinadarai, binciken kimiyya a cikin wuraren kamar kwanciyar hankali na yanayin zafi da amincin kayan gwajin zafi, dole ne ga sassan masana'antu, sassa na farko, samfuran da aka kammala, lantarki, na'urorin lantarki da sauran samfuran, sassa da kayan don babban zafin jiki, ƙarancin zafin jiki, sanyi, damp da digiri mai zafi ko gwajin gwaji na yau da kullun da yanayin zafi.
2) Daidaitaccen akwatin gwajin tsufa, Akwatin gwajin tsufa na UV (hasken ultraviolet), akwatin gwaji mai girma da ƙarancin zafin jiki,
3)Mai gwada gwajin zafin zafin jiki na shirye-shirye
4) Injin gwajin sanyi da zafi shine kayan lantarki da na lantarki, jirgin sama, motoci, kayan gida, sutura, masana'antar sinadarai, masana'antar tsaro ta ƙasa, masana'antar soja, binciken kimiyya da sauran filayen gwajin kayan aikin gwaji, Ya dace da canjin jiki na sassa da kayan wasu samfura irin su photoelectric, semiconductor, kayan lantarki da ke da alaƙa, sassan mota da masana'antu masu alaƙa da kwamfuta don gwada maimaita juriya na kayan zuwa babban zafin jiki da ƙarancin zafin jiki da canje-canjen sinadarai ko lalacewar jiki na samfuran yayin haɓakawar thermal da ƙanƙantar sanyi. .
5)Maɗaukakin gwaji da ƙananan zafin jiki
6)Xenon-lamp Weather Resistance Chamber
7)HDT VICAT TESTER
Lokacin aikawa: Juni-10-2021