Iyini i-Trochoidal Milling
Izigayo zokuphela zisetshenziswa kakhulu ukwenza imishini yezindiza, ama-grooves kanye nezindawo eziyinkimbinkimbi. Okuhlukile ekuphenduleni, ekucubunguleni ama-grooves kanye nezindawo eziyinkimbinkimbi zalezi zingxenye, ukwakheka kwendlela nokukhethwa kokugaya nakho kubaluleke kakhulu. Njengendlela evamile yokugaya i-slot, i-arc contact angle yokucubungula ngesikhathi esisodwa ingafinyelela ku-180 °, isimo sokukhipha ukushisa sibi, futhi izinga lokushisa likhuphuka kakhulu ngesikhathi sokucubungula. Kodwa-ke, uma indlela yokusika iguqulwa ukuze i-milling cutter ijikeleze ngakolunye uhlangothi futhi ijikeleze ngakolunye, i-angle yokuxhumana kanye nenani lokusika i-revolution ngayinye iyancishiswa, amandla okusika kanye nezinga lokushisa lokusika liyancishiswa, futhi impilo yethuluzi iyandiswa. . Ngakho, ukusika kungaqhutshekwa isikhathi eside, njengokuthi (Umfanekiso 1) kubizwa ngokuthi i-trochoidal milling.
Inzuzo yayo ukuthi inciphisa ubunzima bokusika futhi iqinisekisa ikhwalithi yokucubungula. Ukukhethwa okunengqondo kwemingcele yokusika kungathuthukisa ukusebenza kahle nokunciphisa izindleko, ikakhulukazi lapho ukucubungula izinto ezinzima-emshinini ezifana nama-alloys aphikisana nokushisa nezinto eziqinile, zingadlala indima yayo ngokuphawulekayo, futhi Inamandla amakhulu okuthuthukiswa, okungenzeka isizathu esenza imboni inake kakhulu futhi ikhethe indlela yokugaya i-trochoidal.
Izinzuzo zobuchwepheshe
I-cycloid ibizwa nangokuthi i-trochoid kanye ne-epicycloid enwetshiwe, okungukuthi, umzila wephoyinti ngaphandle noma ngaphakathi kwesiyingi esinyakazayo lapho indilinga enyakazayo yelula umugqa othile oqondile wokugingqa ngaphandle kokushelela. Ingabizwa nangokuthi i-cycloid ende (efushane). Ukucutshungulwa kwe-Trochoidal ukusebenzisa i-end Mill enobubanzi obuncane kunobubanzi be-groove ukucubungula i-half-arc groove ibe ingxenye encane ye-arc eceleni kwayo. Ingakwazi ukucubungula ama-grooves ahlukahlukene kanye nemigodi yangaphezulu. Ngale ndlela, ngombono, isigayo sokuphela singacubungula ama-grooves namaphrofayili anoma yimuphi usayizi omkhulu kunayo, futhi singacubungula uchungechunge lwemikhiqizo kalula.
Ngokuthuthukiswa kanye nokusetshenziswa kobuchwepheshe bokulawula izinombolo zekhompuyutha, indlela yokugaya elawulekayo, ukwenziwa kahle kwamapharamitha okusika, namandla anezici eziningi okugaya i-trochoidal kuyasetshenziswa futhi kuyadlalwa kakhulu. Futhi iye yacatshangelwa futhi yaziswa izimboni ezilungisa izingxenye ezifana ne-aerospace, okokuthutha kanye nokukhiqizwa kwamathuluzi kanye nesikhunta. Ikakhulukazi embonini ye-aerospace, ingxubevange ye-titanium evame ukusetshenziswa kanye nezingxenye zengxube ye-nickel-resistant resistant alloy zinezici eziningi ezinzima zokwenza imishini, okuhlanganisa:
Amandla aphezulu okushisa nokuqina kwenza kube nzima ukuthi ithuluzi lokusika lithwale noma likhubaze;
Amandla aphezulu okugunda enza i-blade ibe lula ukulimaza;
Ukushisa okuphansi kwe-thermal kwenza kube nzima ukuthi ukushisa okuphezulu kuthunyelwe endaweni yokusika, lapho izinga lokushisa livame ukudlula ku-1000ºC, okwenza kube nzima ukugqokwa kwamathuluzi;
Ngesikhathi sokucubungula, izinto ezisetshenziswayo zivame ukushiselwa ku-blade, okuholela enqenqemeni eyakhelwe phezulu. Ikhwalithi yendawo ephansi eyenziwe ngomshini;
Umsebenzi wokuqina wezinto ze-alloy ezisekelwe ku-nickel ezine-austenite matrix ubucayi;
Ama-carbides ku-microstructure ye-nickel-based alloys ukumelana nokushisa azobangela ukuguga kwethuluzi;
Ama-alloys e-Titanium anomsebenzi wamakhemikhali aphezulu, futhi ukusabela kwamakhemikhali nakho kungabhebhethekisa umonakalo nokunye.
Lobu bunzima bungacutshungulwa ngokuqhubekayo nangokushelela ngosizo lobuchwepheshe bokugaya i-trochoidal.
Ngenxa yokuthuthukiswa okuqhubekayo kwezinto ezisetshenziswayo zamathuluzi, okokunamathela, ubujamo bejiyomethri, nezakhiwo, inqubekela phambili esheshayo yezinhlelo zokulawula ezihlakaniphile, ubuchwepheshe bokuhlela, namathuluzi emishini esebenza ngokuningi enesivinini esikhulu, asebenza kahle kakhulu, isivinini esikhulu (HSC) kanye nokusebenza kahle kakhulu (HPC) ukusika sekufike ezingeni. ukuphakama okusha. Imishini enesivinini esikhulu ibheka ikakhulukazi ukuthuthukiswa kwejubane. Ukusebenza kahle kwemishini akufanele kucabangele nje ukuthuthukiswa kwejubane lokusika, kodwa futhi kucabangele ukuncishiswa kwesikhathi esiyisizayo, ukulungisa ngokunengqondo imingcele ehlukahlukene yokusika kanye nezindlela zokusika, nokwenza imishini ehlanganisiwe ukuze kuncishiswe izinqubo, kuthuthukise izinga lokususwa kwensimbi ngesikhathi seyunithi ngayinye, futhi ngesikhathi esifanayo yelula impilo yamathuluzi futhi wehlise Izindleko, cabangela ukuvikelwa kwemvelo.
ithemba lobuchwepheshe
Ngokusho kwedatha yokusetshenziswa kwe-trochoidal milling ezinjinini ze-aero (njengoba kukhonjisiwe etafuleni elingezansi), lapho kusetshenzwa i-titanium alloy Ti6242, izindleko zamathuluzi okusika umthamo weyunithi ngayinye zingancishiswa cishe ngo-50%. Amahora okusebenza angancishiswa ngo-63%, isidingo sisonke samathuluzi singancishiswa ngo-72%, futhi izindleko zamathuluzi zingancishiswa ngo-61%. Amahora okusebenza okucubungula i-X17CrNi16-2 angancishiswa cishe ngo-70%. Ngenxa yalokhu okuhlangenwe nakho okuhle kanye nempumelelo, indlela yokugaya i-trochoidal ethuthukisiwe iye yasetshenziswa emikhakheni eminingi, futhi iye yathola ukunakwa futhi yaqala ukusetshenziswa emikhakheni ethile yomshini wokunemba okuncane.
Isikhathi sokuthumela: Feb-22-2023
