Izindlela Zokuthuthukisa Ukunemba Kwe-Shaft Gear Hobbing

Ukunemba kokucheba kushelela kakhulu ekunembeni kwesihlalo sesihlalo, ngakho-ke okunye ukuphambuka ku-hobbing kufanele kulawulwe ngokuqinile ukudala igiya lekhwalithi ephezulu. I-Hobbing isetshenziswa kakhulu imishini yegiya indlela. Emshinini wokuchofoza ngokunemba okuphezulu, i-hob emihle isetshenziselwa ukwenza amazinyo egiya ngokunemba okungu-4-5. Emshinini wokudonsela ezingeni elidumile, ngobuciko bokunemba ngokunemba, kungamashini wokuchofoza ayi-8 kuphela. Ukunemba kwe-gear shaft gear toothing kungu-8-7-7, futhi uma indlela yokusebenzisa imishini isebenzisa izimbobo ezimbili eziyinhloko nobuso bokugcina njengenkomba yokuma, ukuphambuka kwe-hobbing kuyachazwa, futhi ukunemba kwemishini kuyathuthukiswa. Indlela ibaluleke kakhulu.

1 ukuhlaziywa kwemishini yokuchofoza ngokunemba

Ukunemba kwamazinyo e-shaft kuhlobene nokunemba kokunyakaza, ukunemba kokuqina, nokunemba kokuxhumana. I-hobting machining top isebenzisa ubude bomugqa ojwayelekile ojwayelekile kanye nobubanzi bendandatho ukuze yeqe ngokunemba kokuhamba, futhi isebenzisa ukulawula ukuphambuka kwephrofayili yezinyo nephutha lesigaba sesisekelo ukufeza ukuzinza komcimbi, nokunemba kokuxhumana ilawulwa ukuphambuka kwezinyo. Ngaphansi kobuso beziphambeko eziningana kunqubo ye-hobhob, kuchazwa izizathu zokuphambuka:

I-1.1 ring gear radial runout deviation (okusho ubuhlungu bejometri)

I-radial runout yegiya eliyindandatho iwukuthi imbazo iphakathi kwegiya ukujika okukodwa, i-probe isendaweni yezinyo noma emazinyweni egiya, kanye nokuthintana okunezinhlangothi ezimbili nendawo emaphakathi yobude bezinyo, inani eliphezulu lokushintsha. ye-probe ehlobene ne-axis yezinyo. Kuphinde kube yizinhlungu eziyingxenye yendandatho yezinyo legiya elihlobene nomugqa ophakathi we-shaft. 

Lolu hlobo lobuhlungu lubangelwa ukuthi izimbobo ezimbili eziyinhloko zomshini wonke aziqondani nedivayisi eyinhloko yokuzungezisa okuphambene kwetafula noma iphutha likhulu kakhulu. Noma ngenxa yokuthi izimbobo ezingaphezulu nezingaphezulu zakhiwe kabi, indawo ethintwayo ayixhunywanga kahle ukuze kwakheke ubuhlungu obuyingxenye, ngakho-ke ukugxuma kobubanzi bendandatho kufanele kuphathwe kusukela onqenqemeni olungenhla.

1.2 Ukuphambuka okujwayelekile okujwayelekile (okusho ubuhlungu obusebenzayo)

I-Hobbing ukucubungula amagiya ngendlela yombukiso. Iketanga lokudlulisa igiya elisuka ethuluzini liye endaweni engenalutho yezinyo lixhunywe ekunembeni kokunyakaza ngokwesilinganiso sokudlulisela esingenakugwenywa. Kodwa-ke, la maketango okudlulisa akhiwe uchungechunge lwezinto ezidluliswayo. 

Ukuphambuka kwabo kokwakhiwa kanye nokuhlakazwa kufanele kugxilwe enqubweni yokudlulisela kuze kube sekupheleni kweketango lokudlulisela, umsebenzi ohlobene nokungamukeleki, okuthinta ukunemba komshini wamazinyo. Ukushintsha ubude bomugqa ovamile ovamile ukuchezuka okukhulu kwamazinyo egiya okusabela. Uma lokhu kungokwesibili, uma umshini wokubhoboza ungaqinisekanga, umshini wokubhoboza uzokwakhiwa ngomzila wesitimela oyisiyingi, isondo le-indexing worm kanye netafula.

 Umzila wesitimela oyindilinga wakhiwe yi-shaft ene-bifurcated. Ukwengeza, lapho indawo yezinyo yokumiswa kwezinyo ehlukanisiwe ine-bump enzima noma isondo elilengayo, ukulunywa kukhululekile kakhulu noma kuqine kakhulu, okungase kuthinte ukuguqulwa komugqa ovamile ovamile.

1.3 Ukuhlaziywa kokuphambuka kokuma kwezinyo

Ukuchezuka kwephrofayili yezinyo yibanga elijwayelekile phakathi kwamaphrofayili amabili e-cubbly (involute) embazo emnyangweni omise okwezinyo, kuhlanganisa nephrofayili yezinyo langempela. Enqubweni yokucubungula yangempela, akunakwenzeka ukuthola isimo sezinyo esinembe ngokuphelele, futhi ngaso sonke isikhathi sinezinhlobo ezihlukahlukene zokuphambuka, ngaleyo ndlela kuthinte ukuzinza kokudluliselwa. Isiyingi esiyisisekelo segiya ipharamitha ethile enquma ukuthi involute izinyo shape. Uma umbuthano wesisekelo uchezukile phakathi nenqubo yokubhoboza, isimo sezinyo sizobuye sibe nokuchema.

 Irediyasi yesisekelo esiyindilinga R=izinga lokunyakaza kommese/izinga le-engeli lokuhlehla kwetafula xcosao (i-ao i-engeli yezinyo yasekuqaleni ye-hob), umumo wezinyo ohlangene enqubweni yokuhobha ungowesibili ku-hob futhi izinyo lingenalutho Ngokuxhuma amazinyo esilinganiso esingenakugwemeka sejubane, kungabonakala ukuthi uma ukuphambuka kwephrofayili yezinyo kunqunywa ukuchezuka kwephrofayili yezinyo le-hob, ikhwalithi yokulola i-hob ayilungile futhi ukuphambuka kwephrofayili yezinyo kulula ukuvela.

 Ngesikhathi esifanayo, ukuphuma kwe-radial kanye ne-axial turbulence (okungukuthi, ukuchezuka kwedivayisi) okwenzeka ku-hob kudivayisi nakho kuba nomthelela ekuphambukeni kwephrofayela yezinyo. Ukuchezuka komumo wezinyo okuvamile akulona iphutha, ukuchezuka kwe-engeli yezinyo (ithiphu likhuluphele noma lijiyile), futhi ukuchezuka komjikelezo kwenzeka.

Ngokuhlaziywa kokunemba kwemishini kwe-shaft gear hobbing, kuthinta izici ezithinta ukunemba kwemishini ye-hobbing, ukuze kuthuthukiswe ikhwalithi yokucubungula kwe-hobbing. 

Isitshalo esikhiqiza i-heavy-duty automobile gearbox professional, igiya le-shaft lingumshini obaluleke kakhulu ku-gearbox, futhi ukungalingani kokunemba komshini kuthinta ngokungaqondile ikhwalithi yonke yebhokisi likagiya. Njengamanje, indlela yomshini yamazinyo egiya asetshenziswa efektri iyindlela yokuhobha nokushefa.

Xhumanisa nale ndatshana: Izindlela Zokuthuthukisa Ukunemba Kwe-Shaft Gear Hobbing

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