Gabatarwa: Kamar yadda aka yi amfani da manyan robobi masu yawa, PP din za a iya ganin a ko'ina a rayuwar yau da kullun. Yana da tsarkakakku fiye da talakawa PC. Duk da cewa bashi da babban launi na Abs, PP yana da tsarkakakkiyar tsabta da ma'ana mai launi. A cikin masana'antar, kayan PP sau da yawa ana amfani dashi a cikin kayan tattarawa kamarkwalabe na filastik, Tasirin kwalban, Kwalaye cream, da sauransu. An ware ni daKunshin RBKuma rabawa tare da sarkar samar don tunani:
Sunan Ciki: Polypropylene
Sunan Turanci: Polypropylene (ana kiranta azaman PP)
PP mai polymer na lu'ulu'u ne. Daga cikin magunguna na yau da kullun, PP shine mafi sauƙin, tare da yawan adadin 0.91G / cm3 (ƙasa da ruwa). Daga cikin ramuka na gaba daya, PP yana da mafi kyawun juriya. Tsoronta zafin jiki yana 80-100 ° C kuma ana iya tafasa a cikin ruwan zãfi. PP yana da kyakkyawar damuwa da juriya da kuma lanƙwasa rai na gajiya. An san shi da yawa a matsayin "100% filastik". Cikakkiyar aikin PP ya fi na kayan per. Products PP suna da nauyi mai nauyi, tausayi mai kyau da kyawawan juriya na sinadarai.
Rashin daidaituwa na PP: daidaitaccen daidaitaccen yanayi, mafi sauƙin ci gaba mai lalacewa ", yana da sauƙin samar da" mawuyacin hali, ya zama mai sauƙi, ya zama mai sauƙi ga yin rauni.
01
Halaye na jolding
1) Abubuwan crystalline suna da ƙarancin hygrostacity kuma yana yiwuwa narke karaya, kuma yana da sauƙin narkewa a cikin dogon lokaci lamba tare da ƙarfe mai zafi.
2) Da ruwa yana da kyau, amma ƙimar shrinkage tana da girma, kuma ƙamshin shrinkage, dents, da ɓarna suna da sauƙi.
3) Saurin sanyi yana da sauri, tsarin zubar da ruwa da tsarin sanyaya ya kamata a hankali diski zafin zafin da ya kamata. Tsarin zafin jiki yana da sauƙi a daidaita shi a zazzabi mai ƙarfi da ƙarfi. Lokacin da zafin jiki na mold yake ƙasa da digiri 50, ɓangaren filastik ba shi da mahimmanci, kuma yana da sauƙi a samar da talauci da nakasa sama da digiri 90
4) Kaurin kauri bangon filastik dole ne ya zama uniforn don gujewa rashin manne da kuma kusurwoyin kaifi don hana maida hankali ga damuwa.
02
Halaye na tsari
PP yana da kyawawan launuka a cikin narkewar jiki da kuma kyakkyawan yanayin aiki. PP yana da halaye guda biyu cikin sarrafawa
Daya: danko na pp narke yana raguwa tare da karuwar karfi da yawa (ƙasa da zafin jiki)
Na biyu: digiri na kwayoyin halittar kwayoyin yana da yawa kuma adadin shrinkage ya kasance da girma.
Zaɓuɓɓukan zazzabi na PP yana kusan 200-300 ℃. Yana da kyakkyawan kwanciyar hankali (zazzabi bazuwar zazzabi shine 310 ℃), amma a babban zazzabi (270-300 ℃), yana iya lalacewa idan ta ci gaba da kasancewa a cikin ganga na dogon lokaci. Saboda danko na PP yana raguwa sosai tare da karuwar karfi da karfi, ƙara yin watsi da tsari da kuma haɓaka ɓarna da kuma haɓaka shunayya da bacin rai. Yakamata ya kamata a sarrafa shi a cikin kewayon 30-50 ℃. PP narke na iya wucewa ta hanyar kunkuntar mortrow da kuma bayyana gaba. A cikin narkar da PP, dole ne ya sha zafi mai zafi mai zafi), kuma samfurin yana da zafi bayan an fitar da shi daga mold. PP kayan ba ya buƙatar bushewa yayin sarrafawa, da kuma ƙarancin ƙira da lu'ulu'u na PP suna ƙasa da na pe.
03
Maki don lura da aikin filastik
Sarrafa filastik
Pp na PP shine englucoci have kuma ana iya yin mutu a cikin launuka da yawa. Za'a iya kawai da PP kawai tare da launi mai launi akan injunan janar na janar, amma wasu samfuran suna da abubuwan da aka haɗe da su, kuma ana iya yin su da toner.
Kayayyakin da aka yi amfani da su a waje sun cika da kayan kwalliya na UV da carbon baki. Yin amfani da rabo daga kayan da aka sake amfani kada ya wuce kashi 15%, in ba haka ba zai haifar da ƙaruwa ya ragu da bazuwar da kuma ba da labari. Gabaɗaya, babu magani na bushewa na musamman kafin a sarrafa PP allurar.
Zabi na na'urar allurar
Babu wasu bukatu na musamman don zaɓin injunan da ke cikin allura. Saboda PP yana da babban lu'ulu'u. Ana buƙatar na'ura ta kwamfuta ta hanyar sarrafa kwamfuta tare da matsin lamba mafi girma kuma ana buƙatar sarrafa iko da yawa. Forcearfin murƙushe kusan shine kusan 3800t / M2, kuma ya ƙunshi allura 20% -85%.
Mormold da ƙofar ƙira
Zazzabi na mold ne 50-90 ℃, kuma ana amfani da babban zafin jiki na ƙwararru don buƙatun girma. Matsakaicin mai mahimmanci ya fi 5 ℃ ƙasa da zazzabi, mai gudu diamita shine 4-7mm, tsayin saiti, kuma diamita na iya zama ƙarami kamar 0.7mm.
Tsawon ƙofar gefen ba zai yiwu ba kamar yadda zai yiwu, kimanin 0.7mm, zurfin shine rabin lokacin kauri, kuma a hankali yana ƙaruwa tare da tsawon narke yana gudana a cikin rami.
Dole ne ƙorar ta sami iska mai kyau. Jirgin saman shine 0.025mm-0.038mm zurfi da 1.5mmm lokacin farin ciki. Don kauce wa alamun shrinkage, yi amfani da manyan da zagaye na nozzles da masu gudu da madaukaki, da kauri daga cikin kaji ya zama kananan bango).
Kauri na samfurori da aka yi da aikin zargarwa kada ya wuce 3mm, in ba haka ba za a iya yin kumfa (samfuran bango na musamman ne kawai ke amfani da PP) kawai.
Narke zazzabi
Matsayin Melting na PP shine 160-175 ° C, da kuma bazuwar zazzabi shine 350 ° C, amma saitin zafin jiki ba zai iya wuce aiki ba. Yarinya a cikin sashe na narkewa shine zai fi dacewa 240 ° C.
Saurin alluna
Don rage damuwa na ciki da nakasa, allurar-hanzari ta zaɓi, amma wasu maki na PP da ƙoshin abinci ba su dace da (ba. Idan farfajiya mai kamshi ya bayyana da haske da duhu ratsi ya ba da yaduwar ƙofar, allurar ƙasa da sauri kuma ya kamata a yi amfani da zafin rana mafi girma.
Narke baya matsa lamba
5 Za a iya amfani da narke matsa lamba na baya ga matsin lamba, kuma an iya daidaita matsin lamba na kayan toner na da kyau.
Allura da matsa lamba
Yi amfani da matsin magana mafi girma (1500-1800bar) da riƙe matsin lamba (kusan kashi 80% na matsin lamba). Sauya don rike matsin lamba a kusan kashi 95% na cikakken bugun jini, kuma yi amfani da lokaci mai tsayi.
Post-aiki na samfurori
Don hana shrinkage da nakasa ta haifar da post-crystallization, samfuran suna buƙatar a soaked a cikin ruwan zafi.
Shanghai Rainbow Masana'antu Co., LtdMai kerawa ne,Kunshin Rainbow na ShanghaiBayar da cakulan kwaskwarima guda ɗaya-tsayawa.idan kuna son samfuranmu, zaku iyaTuntube mu,
Yanar gizo:www.karbow-pkg.com
Imel:Bobby@rainbow-pkg.com
WhatsApp: +008613818823743
Lokaci: Oktoba-04-2021