Ta yaya dunƙule zai iya saduwa da juriya da buƙatun sarrafa madaidaici?

A cikin filin extrusion filastik da gyaran allura, dadunƙule guda ɗayashine babban bangaren wutar lantarki na dukkan layin samarwa. An ƙera shi da kyau da madaidaicin ƙera, ba wai kawai yana ƙayyade daidaiton isar da kayan abu da ingancin filastik ba, har ma kai tsaye yana shafar daidaiton girman samfuran ƙãre da ci gaban samarwa. Fuskanci da hadaddun kayan da ke dauke da fiber gilashi, calcium carbonate, filler ma'adinai, da ƙari masu lalata, kiyaye ingantaccen juriya da ingantaccen aiki ga wannan mahimmin sashi a ƙarƙashin babban nauyi na dogon lokaci, babban juzu'i da babban zafin jiki ya zama mai da hankali kan fasaha ga manajan kayan aiki da injiniyoyin sarrafawa.

Sawa da Lalacewa: Dalilai na Farko bisa Bayanan Ƙirƙira

Abubuwan da ke haifar da gazawar dunƙule ƙasa da wuri suna da alaƙa kai tsaye da halayen kayan da aka sarrafa. Kayayyaki daban-daban suna samar da hanyoyin lalacewa daban-daban akan aGudu guda ɗaya,buƙatar hanyoyin kariya da aka yi niyya. Teburin da ke ƙasa ya taƙaita nau'ikan lalacewar abu gama gari guda uku da tasirinsu:

A haƙiƙanin samarwa, ɓarnar lalacewa da lalata sinadarai galibi suna canzawa, suna ƙara haɓaka tabarbarewar dunƙule. Sabili da haka, dole ne a gina cikakken tsarin kariya daga sassa uku: kayan aiki, maganin zafi, da injiniyan ƙasa.

Mahimman Hanyoyi na Fasaha don Inganta Juriya da Daidaitawa

Babban Tsari: Tsare Tsare Tsare Tsare daga Jiyya na Kayan Aiki zuwa Rubutun Hardfacing

Don cimma duka juriya mai girma da daidaito mai tsayi, ƙwararrun masana'antun galibi suna ɗaukar tsarin aiwatar da matakai masu zuwa:

• Base kayan quenching da tempering– Yi amfani da 38CrMoAlA gami karfe, yi quenching da high-zazzabi zafin jiki don samun daidaitaccen tsarin sorbite mai zafin rai, kawar da ƙirƙira damuwa da samar da ingantaccen tauri.
• Daidaitaccen niƙa- Yi amfani da madaidaicin cylindrical da ƙwanƙwasa zaren CNC don tabbatar da daidaiton yanayin bayanin martabar jirgin. Madaidaicin, juriya, da rashin ƙarfi na aGudu guda ɗayaana sarrafa su zuwa matakin micron, rage narke koma baya da gogayya na gida.
• Nitriding surfaceAiwatar da iskar gas ko ion nitriding don samar da farin Layer na 0.3-0.6 mm akan dunƙule saman, cimma taurin saman na HV900-1100, yana haɓaka juriya na abrasive yayin riƙe tauri.
• Electroplating ko electroless plating- Don kayan da suke lalatawa sosai (misali, PVC, fluoroplastics), ƙara chromium mai ƙarfi ko Layer nickel mara ƙarfi akan nitrided Layer don rufe ƙananan pores da haɓaka juriya na lalata, yayin rage mannewar narkewa.
• Dual-alloy spray waldi (PTA ko Laser cladding)Don abubuwan da ba su da kyau kamar gilashin fiber, calcium carbonate, ko kayan da aka sake yin fa'ida, shafa gami da tushen nickel ko cobalt akan tukwici na jirgin, samun taurin kan HRC60. Wannan tsarin haɗe-haɗe yana ba da damar dunƙule don kiyaye ƙarfin filastik da daidaitaccen sharewa a ƙarƙashin extrusion mai sauri da lalata muhalli.

Daidaitaccen Injini da Daidaituwar Tsari: Tabbatar da Filastik ɗin Uniform da daidaiton samfur

Babban madaidaicin ba kawai game da jurewar juzu'in girman kansa ba, har ma game da sarrafa sharewa tsakanin diamita na jirgin sama da bangon ciki na ganga. Kwarewa ta nuna cewa sarrafa sharewa tsakanin aGudu guda ɗaya kuma ganga a cikin 0.10-0.20 mm (dangane da diamita) yana rage raguwar narkewa kuma yana ƙara takamaiman fitarwa. Bugu da ƙari, ingantattun sigogi na geometric (matsawa rabo, rabon L / D) wanda ya dace da ganga mai shinge feed bushings na iya cimma babban ƙarfi plasticizing a ƙananan saurin dunƙule, rage narke zafin jiki ta kusan 10 ° C, ta haka inganta ingancin samfurin da kwanciyar hankali.

Jimlar Magani don Yanayin Aiki mai tsanani

Don kayan aiki na musamman irin su itace-plastic composite (WPC), filastik injiniyoyi da aka cika sosai, da kuma kayan da aka sake yin fa'ida, manyan masana'antun sun ƙaura daga sassauƙan sarrafa sashi zuwa ayyukan fasaha mai haɗaka da ke rufe "zabin kayan - ƙirar tsari - magani bayan".

Alal misali, don ƙarfafa nailan wanda ya ƙunshi fiye da 30% gilashin fiber, za'a iya tsara dunƙule tare da madauri mai canzawa da zurfin tashoshi mai mahimmanci, tare da juyawa mai zagaye a tushen jirgin don rage damuwa. Haɗe tare da walƙiya mai fesa dual-alloy da walƙiya madubi (ƙananan saman Ra ≤ 0.05 μm), wannan yana rage haɗarin ajiyar carbon kuma yana sauƙaƙe tsaftacewa.

Ƙarshe: Ƙimar Dogon Lokaci na Zuba Jari a cikin Babban Ƙirar Ayyuka

A taƙaice, aGudu guda ɗayakerarre da madaidaicin ƙira da mahara m jiyya ba kawai muhimmanci kara nasa rayuwar sabis, amma kuma inganta extrusion da allura gyare-gyaren makamashi yadda ya dace, rage tabbatarwa mita, da kuma tabbatar da samfurin ingancin daidaito. Lokacin da kamfanonin sarrafa filastik suka zaɓi masana'anta kamarZhoushan Nanhaiya Plastic Machinery Co., Ltd.- wanda ya mallaki cikakken tsari sarkar, machining kayan aiki, da kuma m masana'antu gwaninta - sun sami daya-tasha fasaha tabbaci daga dunƙule abu, zafi magani to surface shafi, kwanciya m harsashi ga dogon-lokaci barga samar.