Graphite abu ne na gama gari wanda ba na ƙarfe ba, baƙar fata, tare da juriya mai girma da ƙarancin zafin jiki, ingantaccen ƙarfin lantarki da yanayin zafi, mai kyau mai kyau da halayen sinadarai masu tsayayye; mai kyau lantarki watsin, za a iya amfani da matsayin lantarki a cikin EDM. Idan aka kwatanta da na'urorin lantarki na jan ƙarfe na gargajiya, graphite yana da fa'idodi da yawa kamar juriya mai zafi, ƙarancin fitarwa, da ƙananan nakasar zafi. Yana nuna mafi kyawun daidaitawa a cikin sarrafa daidaitattun sassa da hadaddun sassa da manyan na'urorin lantarki. A hankali ya maye gurbin na'urorin jan ƙarfe a matsayin tartsatsin wuta. Babban abin da ke cikin injina na lantarki [1]. Bugu da ƙari, za a iya amfani da kayan da ba su iya jurewa da graphite a ƙarƙashin babban sauri, zafi mai zafi, da matsanancin yanayi ba tare da mai mai ba. Yawancin kayan aiki suna amfani da kofuna na kayan graphite kofuna, hatimi da bearings
A halin yanzu, ana amfani da kayan graphite sosai a fannonin injina, ƙarfe, masana'antar sinadarai, tsaron ƙasa da sauran fannoni. Akwai nau'ikan sassan graphite da yawa, tsarin sassa masu rikitarwa, daidaito mai girma da buƙatun ingancin saman. Binciken cikin gida akan injinan graphite bai yi zurfi ba. Kayan aikin injin graphite na cikin gida shima kaɗan ne. Ayyukan graphite na ƙasashen waje galibi suna amfani da cibiyoyin sarrafa graphite don sarrafa saurin sauri, wanda a yanzu ya zama babban jagorar ci gaba na injin graphite.
Wannan labarin ya fi yin nazari akan fasahar sarrafa graphite da kayan aikin injina daga waɗannan abubuwan.
① Analysis na graphite machining aiki;
② matakan fasahar sarrafa graphite da aka saba amfani da su;
③ Kayan aikin da aka saba amfani da su da kuma yanke sigogi a cikin sarrafa graphite;
Binciken aikin yankan graphite
Graphite abu ne mai karye tare da tsari iri-iri. Ana samun yankan zane ta hanyar samar da barbashi na guntu ko foda mai katsewa ta hanyar karyewar kayan graphite. Dangane da tsarin yankan kayan graphite, masana a gida da waje sun yi bincike da yawa. Masanan kasashen waje sun yi imanin cewa tsarin samar da guntu na graphite yana da kusan lokacin da yanki na kayan aiki ke hulɗa da kayan aiki, kuma an murƙushe ƙarshen kayan aiki, yana samar da ƙananan kwakwalwan kwamfuta da ƙananan ramuka, kuma an samar da A crack, wanda zai tsawanta. zuwa gaba da kasa na tip na kayan aiki, samar da ramin karaya, kuma wani ɓangare na aikin aikin zai karya saboda ci gaban kayan aiki, samar da kwakwalwan kwamfuta. Masanan cikin gida sun yi imanin cewa sassan graphite suna da kyau sosai, kuma yankan kayan aikin yana da babban baka mai girma, don haka aikin yankan yana kama da extrusion. Abubuwan graphite a cikin wurin sadarwar kayan aiki - kayan aikin yana matsi ta fuskar rake da tip na kayan aiki. A ƙarƙashin matsin lamba, ana samun karaya mai karye, ta yadda za a yi guntuwar guntu [3].
A cikin aiwatar da yankan graphite, saboda canje-canje a cikin hanyar yankan kusurwoyi masu zagaye ko kusurwoyi na workpiece, canje-canje a cikin hanzarin kayan aikin injin, canje-canje a cikin shugabanci da kusurwar yankan ciki da waje na kayan aiki, yankan rawar jiki. , da dai sauransu, wani tasiri yana haifar da aikin graphite, wanda ya haifar da gefen ɓangaren graphite. Ƙunƙarar kusurwa da guntuwa, rashin kayan aiki mai tsanani da sauran matsalolin. Musamman lokacin sarrafa sasanninta da sassa na graphite na bakin ciki da kunkuntar ribbed, yana yiwuwa ya haifar da sasanninta da guntuwar kayan aikin, wanda kuma ya zama matsala wajen sarrafa graphite.
Tsarin yankan graphite
Hanyoyin machining na gargajiya na kayan graphite sun haɗa da juyawa, niƙa, niƙa, sawing, da dai sauransu, amma kawai za su iya gane sarrafa sassan graphite tare da sifofi masu sauƙi da ƙarancin daidaito. Tare da saurin haɓakawa da aikace-aikacen cibiyoyin injuna masu saurin graphite, kayan aikin yankan, da fasahohin tallafi masu alaƙa, waɗannan hanyoyin injinan gargajiya sannu a hankali an maye gurbinsu da fasahar injuna masu sauri. Ayyukan da aka nuna sun nuna cewa: saboda halayen halayen graphite da wuyar gaske, kayan aikin kayan aiki sun fi tsanani yayin aiki, sabili da haka, ana bada shawarar yin amfani da kayan aikin carbide ko lu'u-lu'u mai rufi.
Yanke matakan tsari
Saboda ƙayyadaddun graphite, don cimma ingantaccen aiki na sassan graphite, dole ne a ɗauki matakan tsari masu dacewa don tabbatarwa. Lokacin roughing graphite abu, da kayan aiki iya kai tsaye ciyar a kan workpiece, ta yin amfani da in mun gwada da manyan yankan sigogi; don kauce wa guntuwa a lokacin kammalawa, ana amfani da kayan aiki tare da juriya mai kyau don rage yawan adadin kayan aiki, da kuma tabbatar da cewa farar kayan aikin ya kasance ƙasa da 1/2 na diamita na kayan aiki, da kuma aiwatar da tsari. matakan kamar sarrafa ragewa lokacin sarrafa duka ƙare [4].
Har ila yau, wajibi ne don tsara hanyar yankewa a lokacin yankan. Lokacin sarrafa kwandon ciki, yakamata a yi amfani da kwandon da ke kewaye gwargwadon iyawa don yanke sashin ƙarfi na sashin da aka yanke don koyaushe ya kasance mai kauri da ƙarfi, da kuma hana kayan aikin karyewa [5]. Lokacin sarrafa jirage ko tsagi, zaɓi abinci mai faɗi ko karkace gwargwadon yiwuwa; kauce wa tsibiran a kan aiki na sashin, kuma ku guje wa yanke kayan aiki akan farfajiyar aiki.
Bugu da kari, hanyar yankan kuma muhimmin abu ne wanda ke shafar yankan graphite. Yanke jijjiga yayin saukar niƙa bai kai na sama da niƙa ba. Yanke kauri daga cikin kayan aiki yayin saukar niƙa an rage daga matsakaicin zuwa sifili, kuma ba za a yi wani bouncing sabon abu bayan da kayan aiki yanke a cikin workpiece. Don haka, ana zaɓin niƙa gabaɗaya don sarrafa graphite.
Lokacin sarrafa kayan aikin graphite tare da hadaddun sifofi, ban da haɓaka fasahar sarrafawa bisa la'akari da abubuwan da ke sama, dole ne a ɗauki wasu matakai na musamman bisa ƙayyadaddun yanayi don cimma sakamako mafi kyau.
Lokacin aikawa: Fabrairu-20-2021