Ƙwararrun masana'antar injunan thermoforming.
Harshe
Ƙwararrun masana'antar injunan thermoforming.
Ƙirƙirar hanyoyi daban-daban na ƙirƙira shine yawanci don lanƙwasa da shimfiɗa takardar da aka rigaya bisa ga ƙayyadaddun buƙatun ta amfani da ƙarfi. Mafi mahimmancin abin da ake buƙata don gyare-gyare shi ne sanya kaurin bangon samfurin ya zama daidai kamar yadda zai yiwu. Babban dalilan rashin daidaituwar bango na samfuran sune: na farko, matakin shimfiɗa kowane sashi na takardar da aka kafa ya bambanta; na biyu, girman da mikewa gudun, wato, iskar gas ya kwarara kudi na iska hakar da kumbura ko motsi gudun mold, clamping frame da pre mikewa plunger. Ƙirƙira wani muhimmin tsari ne bayan dumama farantin (sheet), ciki har da sarrafa mahimman sigogi na fasaha irin su samar da zafin jiki, ƙaddamar da matsa lamba da saurin gudu.
①Filastik Thermoforming Machines Samar da Zazzabi
Bayan an ƙayyade kayan, nau'in tsari da kayan aiki, yanayin ƙirƙira shine babban abin da ke shafar ingancin samfurin, wanda kai tsaye yana rinjayar ƙaramin kauri, rarraba kauri da kuskuren girman samfurin, kuma yana shafar haɓakawa da ƙarfi na samfurin. , har ma yana rinjayar saurin kafawa. Saboda haka, ya kamata a dauki shi da gaske. Lokacin da takardar thermoforming ta yi zafi, tabbatar da cewa duk abin da aka kafa yana da zafi sosai kuma yanayin zafin jiki ya dace.
Dangane da aikin, mafi kyawun gyare-gyaren zafin jiki shine zafin jiki wanda elongation na filastik ya kasance iyakar. Idan damuwa da matsatsin gyare-gyaren ke haifarwa ya fi ƙarfin juzu'i na filastik a wannan zafin jiki, takardar za ta zama naƙasa sosai har ma ta lalace. A wannan lokacin, ya kamata a rage zafin gyare-gyare ko matsa lamba. Ƙananan zafin jiki na gyare-gyare na iya rage lokacin sanyaya da adana makamashi, amma siffar da girman girman samfurin zai zama mara kyau, kuma ma'anar ma'anar za ta zama mara kyau. A babban zafin jiki na gyare-gyare, sake fasalin samfurin ya zama ƙarami, kuma siffar da girman sun kasance barga. Koyaya, yawan zafin jiki da yawa zai haifar da lalatawar guduro da canza launin abu. A cikin ainihin tsarin samar da thermoforming, akwai wani tazara na lokaci tsakanin dumama da samar da takardar, kuma za a yi hasarar wasu zafi, musamman ga takarda na bakin ciki tare da ƙananan ƙarfin zafi. Ainihin zafin jiki na dumama takardar yana da girma, kuma ainihin zafin jiki mafi kyau duka ana ƙaddara ta hanyar gwaje-gwaje da samarwa.
Saurin miƙewa yana da alaƙa da yanayin zafi lokacin da aka kafa takardar. Idan zafin jiki ya yi ƙasa kuma ƙarfin nakasar takardar yana ƙarami, ya kamata a shimfiɗa takardar a hankali. Idan an karɓi babban saurin miƙewa, dole ne a ƙara yawan zafin jiki yayin shimfiɗawa. Tun da takardar har yanzu tana haskaka zafi kuma tana yin sanyi yayin gyare-gyaren, saurin miƙewa na takardan bakin ciki gabaɗaya ya fi na takarda mai kauri.
②Filastik Thermoforming Machines Ƙarfafa Matsi
Tasirin matsa lamba yana sa takardar ta lalace, amma abu yana da ikon yin tsayayya da nakasawa, kuma ma'aunin sa na roba yana raguwa tare da karuwar zafin jiki. A zafin jiki na gyare-gyare, kawai lokacin da danniya da ke haifar da matsa lamba a cikin kayan ya fi girma fiye da na'ura mai laushi na kayan a wannan zafin jiki za a iya lalata kayan. Idan matsa lamba da aka yi amfani da shi a wani zafin jiki bai isa ya samar da isasshen elongation na kayan ba, za a iya yin gyare-gyare a hankali kawai ta hanyar ƙara matsa lamba ko ƙara yawan zafin jiki. Saboda ma'auni na roba na kayan daban-daban ya bambanta kuma yana da dogaro daban-daban akan zafin jiki, matsa lamba na gyare-gyaren ya bambanta tare da nau'in polymer (ciki har da nauyin kwayoyin dangi), kauri na takarda da zafin jiki na gyare-gyare. Gabaɗaya magana, robobi masu tsayin sarkar kwayoyin halitta, girman nauyin kwayoyin halitta da ƙungiyoyin iyaka suna buƙatar matsa lamba mai ƙarfi.
Baya ga tasirin gyare-gyaren zafin jiki, zazzabi mai ƙima da tasirin zane, ƙayyadaddun daidaiton samfuran samfuran thermoformed ya dogara ne akan ingantaccen gyare-gyaren gyare-gyare tsakanin sassan thermoformed da mold.
Matsakaicin gyare-gyare na gabaɗaya don gyare-gyare (namiji na namiji): 0.2-0.3mpa don sassa masu girma na yanki; Ƙananan sassa har zuwa 0.7MPa. Don gyare-gyaren injin, matsa lamba gyare-gyaren yana da ƙasa kuma ya dogara da matsa lamba na yanayi. A tsayin 0, lokacin da ake amfani da famfo mai inganci mai inganci, matsa lamba na gyare-gyare na iya kaiwa kusan 1 MPa.
Tun da matsin lamba da injin ya haifar yana daidai da bambancin matsa lamba tsakanin matsa lamba na yanayi a gefe ɗaya na kayan gyare-gyaren da injin da aka samar a ɗayan ɓangaren, matsa lamba na gyare-gyaren ya dogara da matsa lamba na iska da digirin hatimi. Sabili da haka, ko da an yi amfani da mafi kyawun famfo, matsa lamba na gyare-gyaren zai ci gaba da raguwa tare da karuwar tsayi.
③Filastik Thermoforming Machines Samar da Gudu
Babban dalilan rashin daidaituwar bango na samfuran sune: na farko, matakin shimfiɗa kowane sashi na takardar da aka kafa ya bambanta; na biyu, girman da mikewa gudun, wato, iskar gas ya kwarara kudi na iska hakar da kumbura ko motsi gudun mold, clamping frame da pre mikewa plunger. Gudun ƙirƙirar yana nufin saurin zane na farantin (sheet). Ƙara saurin ƙirƙira na iya rage haɓakar sake zagayowar kuma yana da fa'ida don haɓaka yawan aiki. Koyaya, saurin ƙirƙira wuce kima zai shafi ingancin samfurin. Gabaɗaya magana, babban saurin zane yana da fa'ida ga ƙirƙira kanta kuma yana rage lokacin sake zagayowar, amma saurin zane yakan haifar da kaurin bango na sassauƙa da ɓangarorin samfuran ya zama sirara sosai saboda ƙarancin kwarara; Koyaya, idan mikewa yayi jinkirin, ƙarfin nakasar takardar zai ragu saboda yawan sanyaya, kuma samfurin zai fashe.
Ayyukan gyare-gyaren ana yin su ta hanyar matsa lamba na ruwa, matsa lamba na iska ko mota. A lokacin da aka yi zafi, za a shimfiɗa farantin filastik (sheet) da nakasa a ƙarƙashin matsi ko plunger. Saurin miƙewa na kayan ya bambanta da saurin kafawa. Ana iya sarrafa saurin gudu na ƙirar ta matakan, kuma yanayin saurin farko da jinkirin gaba gabaɗaya ana zaɓa. Gudun aikin ƙirar dole ne ya dace da saurin miƙewa. Idan aikin ya kasance a hankali sosai, zazzabi na farantin zai ragu, wanda ba zai iya yin tasiri ba, kuma idan aikin ya yi sauri, za a iya tsage farantin. Don takardar da ke da ƙayyadaddun kauri, za a ƙara yawan zafin jiki na dumama da kyau kuma za a karɓi saurin ƙirƙirar sauri.
Ƙwararrun masana'antar injunan thermoforming.
