Fasahar Gudanarwa
Injin Niƙa
Niƙa kayan aiki ne na inji wanda ke amfani da kayan aikin abrasive don niƙa saman aikin.Yawancin injin niƙa suna amfani da ƙafafun niƙa mai sauri mai sauri don niƙa, yayin da wasu kaɗan ke amfani da dutsen mai, bel ɗin abrasive da sauran abrasives da abrasive kyauta don sarrafawa, kamar injin honing, kayan aikin injin superfinishing, injin bel ɗin abrasive, injin niƙa da injin goge goge.
GudanarwaRage
Masu niƙa na iya sarrafa kayan tare da taurin mafi girma, kamar ƙarfe mai tauri, gami mai ƙarfi, da sauransu; Hakanan yana iya sarrafa kayan da ba su da ƙarfi, kamar gilashi da granite. Mai niƙa na iya niƙa tare da madaidaicin madaidaici da ƙanƙantar yanayin ƙasa, kuma yana iya niƙa tare da babban inganci, kamar niƙa mai ƙarfi.
Tarihin Ci gaban Niƙa
A cikin shekarun 1830, don daidaitawa da sarrafa sassa masu tauri kamar agogo, kekuna, injunan dinki da bindigogi, Biritaniya, Jamus da Amurka sun ƙera injin niƙa ta hanyar amfani da ƙafafu na abrasive. An sake yin waɗannan na'urorin ta hanyar ƙara kawuna zuwa kayan aikin injin da ake da su a wancan lokacin, kamar lathes da planers. Sun kasance masu sauƙi a cikin tsari, ƙananan ƙarancin ƙarfi, da sauƙi don haifar da girgiza yayin niƙa. Ana buƙatar ma'aikata su sami ƙwarewa mai girma don niƙa madaidaicin kayan aiki.
Na'urar injin niƙa ta duniya da Kamfanin Brown Sharp na Amurka ya kera, wanda aka baje kolin a bikin baje kolin na Paris a shekara ta 1876, ita ce na'ura ta farko da ke da ainihin halayen injin niƙa na zamani. An shigar da firam ɗin kai na workpiece da tarkacen wutsiya a kan benci mai maimaitawa. Akwatin gado mai siffar akwatin yana inganta ƙarfin kayan aikin injin, kuma an sanye shi da cikiniƙana'urorin haɗi. A cikin 1883, kamfanin ya yi injin niƙa tare da kai mai niƙa da aka ɗora a kan ginshiƙi da bench ɗin aiki yana motsawa da baya.
A kusa da 1900, haɓakar abrasives na wucin gadi da aikace-aikacen tuki na hydraulic sun haɓaka haɓakar haɓakar ƙwayoyin cuta.injin niƙa. Tare da ci gaban masana'antu na zamani, musamman masana'antar motoci, nau'ikan injin nika iri-iri sun fito daya bayan daya. Misali, a farkon karni na 20, an ci gaba da ci gaba da yin nika na ciki na duniya, na’urar crankshaft, injin camshaft da injin zobe na fistan tare da kofin tsotsa wutar lantarki na lantarki a jere don sarrafa shingen Silinda.
An yi amfani da na'urar aunawa ta atomatik zuwa injin niƙa a cikin 1908. A kusa da 1920, injin niƙa marar tsakiya, mai niƙa mai ƙare biyu, na'ura mai juyi, injin dogo mai jagora, injin honing da kayan aikin gamawa na gaba an yi nasara da yin amfani da su; A cikin 1950s, ahigh-daidaici cylindrical grinderdon madubi niƙa ya bayyana; A karshen 1960s, high-gudun nika inji tare da nika dabaran mikakke gudun 60 ~ 80m / s da surface nika inji tare da babban yankan zurfin da creep feed nika bayyana; A cikin 1970s, sarrafa dijital da fasahar sarrafa daidaitawa ta amfani da na'urori masu sarrafawa sun yi amfani da su sosai akan injin niƙa.