1. Bushewar nailan PA66
bushewar bushewa:zazzabi ℃ 95-105 lokaci 6-8 hours
Bushewar iska mai zafi:zazzabi ℃ 90-100 lokaci game da 4 hours.
Crystallinity:Ban da nailan na gaskiya, yawancin nailan sune polymers crystalline tare da babban crystallinity. Ƙarfin ƙarfi, juriya na sawa, taurin, lubricity da sauran kaddarorin samfuran an inganta su, kuma haɓakar haɓakar haɓakar thermal da shayarwar ruwa suna raguwa, amma bai dace da nuna gaskiya da juriya ba. Mold zafin jiki yana da babban tasiri a kan crystallization. Mafi girma da mold zafin jiki, mafi girma da crystallinity. Ƙananan zafin jiki na mold, ƙananan crystallinity.
Ragewa:Kamar sauran robobi na crystalline, resin nailan yana da babbar matsala ta raguwa. Gabaɗaya, raguwar nailan yana da alaƙa da crystallization. Lokacin da samfurin yana da babban matakin crystallinity, raguwar samfurin kuma zai ƙaru. Rage yawan zafin jiki na mold, ƙara matsa lamba na allura, da rage yawan zafin jiki na kayan aiki yayin aikin gyaran gyare-gyare zai rage raguwa, amma damuwa na ciki na samfurin zai karu kuma zai kasance da sauƙi don lalata. Raunin PA66 shine 1.5-2%
Kayan aikin gyare-gyare: Lokacin gyare-gyaren nailan, kula da hana "al'amarin simintin bututun ƙarfe", don haka nozzles masu kulle kai gabaɗaya ana amfani da su don sarrafa kayan nailan.
2. Kayayyaki da ƙira
- 1. Kaurin bango na samfurin Tsarin tsayin tsayin nailan yana tsakanin 150-200. Kaurin bangon samfuran nailan bai gaza 0.8mm ba kuma ana zaɓa gabaɗaya tsakanin 1-3.2mm. Bugu da kari, raguwar samfurin yana da alaƙa da kaurin bangon samfurin. Girman kauri na bango, mafi girma da raguwa.
- 2. Ƙarshe Ƙimar ƙwarƙwarar guduro na nailan tana da kusan 0.03mm, don haka ya kamata a sarrafa ramin ramin shaye a ƙasa 0.025.
- 3. Mold zafin jiki: Molds tare da bakin ciki ganuwar da suke da wuya a gyare-gyare ko da bukatar high crystallinity suna mai tsanani da kuma sarrafawa. Ana amfani da ruwan sanyi gabaɗaya don sarrafa zafin jiki idan samfurin yana buƙatar takamaiman matakin sassauci.
3. Nailan gyare-gyaren tsari
Zafin ganga
Saboda nailan shine polymer crystalline, yana da mahimmancin narkewa. Zafin ganga da aka zaɓa don guduro nailan yayin gyaran allura yana da alaƙa da aikin guduro da kansa, kayan aiki, da siffar samfurin. Nailan 66 shine 260 ° C. Saboda rashin kwanciyar hankali na thermal na nailan, bai dace da zama a cikin ganga a babban zafin jiki na dogon lokaci don kauce wa canza launi da launin rawaya na kayan. A lokaci guda kuma, saboda kyawun ruwan nailan, yana gudana cikin sauri bayan yanayin zafi ya wuce wurin narkewa.
Matsi na allura
Dankin narkewar nailan yana da ƙasa kuma yawan ruwa yana da kyau, amma saurin daɗaɗɗa yana da sauri. Yana da sauƙi don samun matsalolin da ba su isa ba akan samfurori tare da siffofi masu rikitarwa da ganuwar bakin ciki, don haka har yanzu ana buƙatar matsa lamba mafi girma.
Yawancin lokaci, idan matsa lamba ya yi yawa, samfurin zai sami matsalolin ambaliya; idan matsa lamba ya yi ƙasa da ƙasa, samfurin zai sami lahani kamar ripples, kumfa, bayyanannun alamomi ko rashin isassun samfuran. Matsin allurar mafi yawan nau'in nailan bai wuce 120MPA ba. Gabaɗaya, an zaɓi shi a cikin kewayon 60-100MPA don biyan buƙatun yawancin samfuran. Muddin samfurin ba shi da lahani kamar kumfa da haƙora, gabaɗaya ba a so a yi amfani da matsi mai tsayi don gujewa ƙara damuwa na ciki na samfurin. Gudun allura Don nailan, saurin allurar yana da sauri, wanda zai iya hana tsage-tsafe da ƙarancin cikawar ƙira wanda ya haifar da saurin sanyi sosai. Gudun allurar da sauri ba ta da tasiri mai mahimmanci akan aikin samfurin.
Mold zafin jiki
Mold zafin jiki yana da wani tasiri a kan crystallinity da gyare-gyare shrinkage. Babban zafin jiki na ƙirƙira yana da babban crystallinity, haɓaka juriya, taurin ƙarfi, modul na roba, raguwar sha ruwa, da haɓaka gyare-gyaren samfur; low mold zafin jiki yana da low crystallinity, mai kyau tauri, da kuma high elongation.
Bitar gyare-gyaren allura tana samar da sprues da masu gudu a kowace rana, don haka ta yaya za mu iya sake yin amfani da su cikin sauƙi da inganci yadda ya kamata ta hanyar injinan gyare-gyaren allura?
Bar shi zuwaZAOGE Kariyar muhalli da na'urar adana kayan aiki (Plastic crusher)don injunan gyare-gyaren allura.
Tsarin niƙa ne na gaske da kuma sake fa'ida wanda aka ƙera shi musamman don murkushe ɓangarorin zafin zafi da masu gudu.
Tsabtace da bushe dakakken barbashi ana mayar dasu nan da nan zuwa layin samarwa don samar da samfuran sassa na allura nan da nan.
Tsabtace da busassun ɓangarorin da aka murƙushe ana canza su zuwa albarkatun ƙasa masu inganci don amfani maimakon ragewa.
Yana adana albarkatun kasa da kuɗi kuma yana ba da damar sarrafa farashi mafi kyau.
Lokacin aikawa: Yuli-24-2024