Kusukela kwatholakala i-titanium ngo-1790, abantu sebeneminyaka engaphezu kwekhulu behlola izici zayo ezingavamile. Ngo-1910, insimbi ye-titanium yaqala ukukhiqizwa, kodwa uhambo lokusebenzisa i-titanium alloys lwalulude futhi luyinselele. Kwaze kwaba ngo-1951 lapho ukukhiqizwa kwezimboni kwenzeka khona.
Ama-alloys e-Titanium aziwa ngamandla awo athile aphezulu, ukumelana nokugqwala, ukumelana nezinga lokushisa eliphezulu, nokumelana nokukhathala. Zinesisindo esingama-60% kuphela njengensimbi ngevolumu efanayo kodwa zinamandla kunensimbi ye-alloy. Ngenxa yalezi zakhiwo ezinhle kakhulu, ingxubevange ye-titanium iya ngokuya isetshenziswa emikhakheni ehlukahlukene, okuhlanganisa ezondiza, indiza, ukukhiqiza ugesi, amandla enuzi, ezokuthutha, amakhemikhali, nemishini yezokwelapha.
Izizathu zokuthi kungani ama-alloys e-titanium kunzima ukucubungula
Izici ezine eziyinhloko ze-titanium alloys-ukushisa okuphansi kwe-thermal, ukuqina komsebenzi obalulekile, ukuhlobana okuphezulu kwamathuluzi okusika, nokuguqulwa kwepulasitiki okulinganiselwe-kuyizizathu ezibalulekile ezenza lezi zinto zibe inselele ukucubungula. Ukusebenza kwabo kokusika cishe kungama-20% kuphela okwensimbi okusika kalula.
I-conductivity ephansi yokushisa
Ama-alloys e-Titanium ane-conductivity eshisayo elinganiselwa ku-16% kuphela yaleyo yensimbi engu-45#. Leli khono elilinganiselwe lokuqhuba ukushisa kude ngesikhathi sokucubungula liholela ekukhuphukeni okuphawulekayo kwezinga lokushisa endaweni yokusika; empeleni, izinga lokushisa lethiphu ngesikhathi sokucubungula lingadlula lelo lensimbi engu-45# ngaphezu kuka-100%. Lokhu kushisa okuphezulu kubangela kalula ukuguga kokusabalalisa ethuluzini lokusika.
Ukusebenza kanzima
Ingxubevange ye-Titanium ibonisa umsebenzi obalulekile wokuqina, okuholela kungqimba olugqame kakhulu lokuqiniswa kwendawo uma kuqhathaniswa nensimbi engagqwali. Lokhu kungaholela ezinseleleni ekucutshungulweni okulandelayo, njengokukhuphuka kokuguga ekusetshenzisweni kwamathuluzi.
Ukuhlobana okuphezulu ngamathuluzi okusika
Ukunamathela okunzima nge-titanium-contained cemented carbide.
I-deformation encane yepulasitiki
I-elastic modulus yensimbi engu-45 cishe isigamu, okuholela ekululameni okubalulekile nokungqubuzana okukhulu. Ukwengeza, i-workpiece ingakwazi ukuguqulwa kwe-clamping.
Amathiphu ezobuchwepheshe wokwenza ama-alloys e-titanium
Ngokusekelwe ekuqondeni kwethu izindlela zokwenza imishini ye-titanium alloys kanye nolwazi lwangaphambilini, nazi izincomo eziyinhloko zobuchwepheshe zokwenza lezi zinto:
- Sebenzisa ama-blade ane-engeli eqondile yejometri ukuze unciphise amandla okusika, unciphise ukushisa okusikayo, futhi wehlise ukuwohloka kwendawo yokusebenza.
- Gcina izinga lokuphakela njalo ukuze uvimbele ukuqina kwe-workpiece. Ithuluzi kufanele lihlale likhona ngesikhathi sokusika. Ngokugaya, ukujula kokusika kwe-radial (ae) kufanele kube u-30% weradiyasi yethuluzi.
- Sebenzisa uketshezi lokusika olunomfutho ophezulu kanye nokugeleza okuphezulu ukuze uqinisekise ukuzinza okushisayo ngesikhathi somshini, ukuvimbela ukuwohloka kwendawo kanye nokulimala kwamathuluzi ngenxa yamazinga okushisa amaningi.
- Gcina i-blade ibukhali. Amathuluzi abuthuntu angaholela ekunqwabeleni kokushisa nokwenyuka kokuguga, okuphakamisa kakhulu ingcuphe yokwehluleka kwamathuluzi.
- Ama-alloys omshini we-titanium asesimweni sawo esithambile noma nini lapho kungenzeka.CNC Machining processingkuba nzima kakhulu ngemva kokuqina, njengoba ukwelashwa kokushisa kwandisa amandla wento futhi kusheshisa ukuguga kwe-blade.
- Sebenzisa irediyasi enkulu yethiphu noma i-chamfer lapho usika ukuze ukhulise indawo yokuxhumana yeblade. Lelisu linganciphisa amandla okusika nokushisa endaweni ngayinye, lisize ukuvimbela ukuphuka kwendawo. Lapho kugaywa ama-alloys e-titanium, isivinini sokusika sinomthelela obaluleke kakhulu empilweni yamathuluzi, kulandelwa ukujula kokusika kwe-radial.
Rarulula izinkinga zokucubungula i-titanium ngokuqala nge-blade.
Ukuguga kwe-blade groove okwenzeka ngesikhathi sokucutshungulwa kwe-titanium alloys ukuguga kwendawo okwenzeka ngemuva nangaphambili kwe-blade, okulandela isiqondiso sokusika ukujula. Lokhu kugqokwa kuvame ukubangelwa ungqimba oluqinile olusele ezinqubweni zangaphambili zomshini. Ukwengeza, ekucubunguleni izinga lokushisa elingaphezu kuka-800°C, ukusabela kwamakhemikhali nokusabalalisa phakathi kwethuluzi nezinto zokusebenza kunomthelela ekwakhekeni kokuguga kwe-groove.
Ngesikhathi somshini, ama-molecule e-titanium avela ku-workpiece angaqoqana phambi kwe-blade ngenxa yokucindezela okukhulu kanye nezinga lokushisa, okuholela entweni eyaziwa ngokuthi i-edge eyakhelwe phezulu. Uma lolu hlangothi olwakhiwe luphuma ku-blade, lungasusa i-carbide coating on the blade. Ngenxa yalokho, ukucubungula ama-alloys e-titanium kudinga ukusetshenziswa kwezinto ezikhethekile ze-blade kanye namajometri.
Isakhiwo sethuluzi esilungele ukucutshungulwa kwe-titanium
Ukucutshungulwa kwezingxubevange ze-titanium kuzungeza kakhulu ekulawuleni ukushisa. Ukuze kukhishwe ukushisa ngokuphumelelayo, inani elibalulekile lokusika uketshezi oluphezulu kufanele lusetshenziswe ngokunembile futhi ngokushesha endaweni yokusika. Ukwengeza, kunemiklamo ekhethekile yokusika i-milling etholakalayo eyenzelwe ngqo ukucubungula i-titanium alloy.
Kusuka kundlela ethile yokwenza imishini
Ukuphenduka
Imikhiqizo ye-Titanium alloy ingafinyelela ukuqina okuhle kwendawo ngesikhathi sokuphenduka, futhi ukuqina komsebenzi akunzima. Kodwa-ke, izinga lokushisa lokusika liphezulu, okuholela ekugqokeni kwamathuluzi ngokushesha. Ukuze sibhekane nalezi zici, sigxila kakhulu ezinyathelweni ezilandelayo eziphathelene namathuluzi namapharamitha wokusika:
Izinto Zamathuluzi:Ngokusekelwe ezimweni ezikhona zemboni, i-YG6, YG8, ne-YG10HT yamathuluzi abalulekile akhethiwe.
Amapharamitha we-geometry wethuluzi:ama-engeli ethuluzi afanele ngaphambili nangemuva, ukuzungeza ithiphu lamathuluzi.
Lapho uphendula indilinga yangaphandle, kubalulekile ukugcina isivinini sokusika esiphansi, izinga lokuphakelayo elimaphakathi, ukujula kokusika, kanye nokupholisa okwanele. Ithiphu yethuluzi akufanele ibe phezulu kunesikhungo se-workpiece, njengoba lokhu kungaholela ekutheni ibambeke. Ukwengeza, lapho uqeda futhi uphendula izingxenye ezinezindonga ezincane, i-engeli eyinhloko yokuchezuka yethuluzi ngokuvamile kufanele ibe phakathi kuka-75 no-90 degrees.
Ukugaya
Ukugaya imikhiqizo ye-titanium alloy kunzima kakhulu kunokuphenduka, ngoba ukugaya ukusika ngezikhathi ezithile, futhi ama-chips kulula ukunamathela ku-blade. Lapho amazinyo anamathelayo esika endaweni yokusebenza futhi, ama-chips anamathelayo ayakhishwa bese kuthathwa ucezu oluncane lwethuluzi, okuholela ekuqhekekeni, okunciphisa kakhulu ukuqina kwethuluzi.
Indlela yokugaya:ngokuvamile sebenzisa ukugaya phansi.
Ithuluzi:high-speed insimbi M42.
Ukugaya phansi ngokuvamile akusetshenziselwa ukucubungula insimbi ye-alloy. Lokhu kungenxa yethonya legebe phakathi kwesikulufu sokuhola sethuluzi lomshini namantongomane. Ngesikhathi sokugaya phansi, njengoba i-milling cutter isebenzisana ne-workpiece, amandla engxenye ekuqondeni kokuphakelayo aqondana nesiqondiso sokuphakelayo ngokwaso. Lokhu kuqondanisa kungaholela ekuhambeni kancane kancane kwetafula le-workpiece, okwandisa ingozi yokuphuka kwamathuluzi.
Ukwengeza, ekugayeni phansi, amazinyo okusika ahlangana nongqimba oluqinile onqenqemeni lokusika, olungabangela ukulimala kwamathuluzi. Ekugayweni okuhlanekezelwe, ama-chips ashintsha ukusuka kokuncane ukuya kokuwugqinsi, okwenza isigaba sokuqala sokusika sithambekele ekulimazeni okomile phakathi kwethuluzi nesiqeshana sokusebenza. Lokhu kungakhuphula ukunamathela kwe-chip nokuqhekeka kwethuluzi.
Ukuze kuzuzwe ukugaya okushelelayo kwama-alloys e-titanium, kufanele kucatshangelwe izinto ezimbalwa: ukunciphisa i-engeli yangaphambili nokwandisa i-engeli yangemuva uma kuqhathaniswa nabasiki begayo abajwayelekile. Kutuswa ukuthi usebenzise isivinini esiphansi sokugaya bese ukhetha izinqamuli zokugaya izinyo elibukhali ngenkathi ugwema abasiki befosholo-izinyo lokugaya.
Ukuthepha
Uma uthinta imikhiqizo ye-titanium alloy, ama-chips amancane anganamathela kalula ku-blade kanye nendawo yokusebenza. Lokhu kuholela ekwandeni kokuqina kwe-surface kanye ne-torque. Ukukhetha okungafanele kanye nokusetshenziswa kompompi kungabangela ukuqina komsebenzi, kubangele ukusebenza kahle kokucubungula okuphansi kakhulu, futhi ngezinye izikhathi kubangele ukuphuka kompompi.
Ukuze ulungiselele ukuthepha, kuyancomeka ukuthi ubeke phambili usebenzisa umpompi oweqiwe womucu owodwa endaweni. Inombolo yamazinyo empompini kufanele ibe mbalwa kunaleyo kamampompi ojwayelekile, ngokuvamile amazinyo angama-2 ukuya kwangu-3. I-engeli ye-taper yokusika enkulu iyathandwa, ingxenye ye-taper ngokuvamile ikala ubude bentambo obu-3 kuye ku-4. Ukusiza ekususeni i-chip, i-engeli yokuthambekela engalungile ingase igaywe ku-cutting taper. Ukusebenzisa ompompi abafushane kungathuthukisa ukuqina kwe-taper. Ukwengeza, i-reverse taper kufanele ibe nkulu kancane kunokujwayelekile ukunciphisa ukungqubuzana phakathi kwe-taper nomsebenzi.
Ukuvuselela kabusha
Uma uvuselela ingxubevange ye-titanium, ukuguga kwamathuluzi ngokuvamile akubi kakhulu, okuvumela ukusetshenziswa kokubili kwe-carbide nezinsimbi zensimbi ezinesivinini esikhulu. Uma usebenzisa ama-carbide reaamers, kubalulekile ukuqinisekisa ukuqina kwesistimu yenqubo, efana naleyo esetshenziswa ekubhobozeni, ukuvimbela ukucwiliswa kwe-reamer.
Inselele enkulu ekuvuseleleni izimbobo ze-titanium alloy ukufeza isiphetho esibushelelezi. Ukuze ugweme ukuthi i-blade inamathele odongeni lwembobo, ububanzi be-reamer blade kufanele buncishiswe ngokucophelela kusetshenziswa i-oilstone ngenkathi kuqinisekiswa amandla anele. Ngokuvamile, ububanzi be-blade kufanele bube phakathi kuka-0.1 mm no-0.15 mm.
Ukushintsha phakathi konqenqema lokusika kanye nesigaba sokulinganisa kufanele kube ne-arc ebushelelezi. Ukugcinwa okuvamile kuyadingeka ngemva kokuguga, ukuqinisekisa ukuthi ubukhulu be-arc bezinyo ngalinye buhlala bufana. Uma kudingeka, isigaba sokulinganisa singakhuliswa ukuze kusebenze kangcono.
Ukubhoboza
Ukumba ama-titanium alloys kuveza izinselelo ezinkulu, okuvamise ukubangela ukuthi izinsimbi zokubhoboza zishise noma ziphuke ngesikhathi sokucutshungulwa. Lokhu kubangela izinkinga ezinjengokugaya i-drill bit grinding, ukukhishwa okunganele kwe-chip, ukupholisa okunganele, nokungaqini kahle kwesistimu.
Ukuze ubhoboze ngempumelelo ama-alloys e-titanium, kubalulekile ukugxila kulezi zici ezilandelayo: qinisekisa ukugaywa okufanele kwe-drill bit, sebenzisa i-engeli engaphezulu ephezulu, wehlise i-engeli yangaphambili yonqenqema olungaphandle, ukhuphule i-engeli engemuva yonqenqema, futhi ulungise i-taper yangemuva ukuze Izikhathi ezi-2 kuya kwezi-3 kune-drill bit evamile. Kubalulekile ukuhoxisa njalo ithuluzi ukuze ususe ama-chips ngokushesha, kuyilapho uqapha nokuma nombala wama-chips. Uma ama-chips ebonakala enophaphe noma uma umbala wawo ushintsha ngesikhathi sokubhola, kubonisa ukuthi i-drill bit iba buthuntu futhi kufanele ishintshwe noma ilolwe.
Ukwengeza, i-drill jig kufanele iqiniswe ngokuvikelekile ebhentshini lokusebenza, ne-guide blade eduze nendawo yokucubungula. Kunconywa ukuthi usebenzise i-drill bit noma nini lapho kungenzeka. Uma kusetshenziswa ukuphakelwa ngezandla, kufanele kuqikelelwe ukuthi ungaqhubeki phambili noma uhlehlise i-drill bit ngaphakathi komgodi. Ukwenza kanjalo kungabangela ukuthi i-drill blade ihlikihle endaweni yokucubungula, okuholela ekusebenzeni ukuqina kanye nokwenza buthuntu i-drill bit.
Ukugaya
Izinkinga ezijwayelekile okuhlangatshezwana nazo lapho kugaywaIzingxenye ze-CNC titanium alloyhlanganisa ukuvaleka kwamasondo okugaya ngenxa yama-chips anamathele kanye nokusha kwengaphezulu ezingxenyeni. Lokhu kwenzeka ngoba ama-titanium alloys ane-conductivity ephansi yokushisa, okuholela emazingeni okushisa aphezulu endaweni yokugaya. Lokhu, futhi, kubangela ukuhlangana, ukusakazeka, nokuhlangana kwamakhemikhali okunamandla phakathi kwengxubevange ye-titanium nezinto ezihuquzelayo.
Ukuba khona kwama-chips anamathelayo namasondo okugaya avimbile kunciphisa kakhulu isilinganiso sokugaya. Ukwengeza, ukusabalalisa kanye nokusabela kwamakhemikhali kungaholela ekushiseni kwendawo yokusebenza, ekugcineni kunciphise amandla okukhathala kwengxenye. Le nkinga ibonakala ikakhulukazi lapho ugaya i-titanium alloy castings.
Ukuxazulula le nkinga, izinyathelo ezithathiwe yilezi:
Khetha izinto ezifanele zamasondo okugaya: i-silicon carbide TL eluhlaza. Ubulukhuni besondo lokugaya obuphansi kancane: ZR1.
Ukusikwa kwezinto ezisetshenziswayo ze-titanium alloy kumele kulawulwe ngezinto ezisetshenziswayo, uketshezi lokusika, kanye nemingcele yokucubungula ukuze kuthuthukiswe ukusebenza kahle kokucubungula okuphelele.
Uma ufuna ukwazi okwengeziwe noma ukubuza, sicela ukhululeke ukuxhumanainfo@anebon.com
Ukuthengiswa Okushisayo: Imboni yase-China EkhiqizayoIzingxenye zokuguqula ze-CNCkanye ne-CNC encaneIzingxenye zokugaya.
I-Anebon igxile ekwandiseni imakethe yamazwe ngamazwe futhi isisungule isizinda samakhasimende esiqinile emazweni ase-Europe, e-USA, eMpumalanga Ephakathi nase-Afrika. Inkampani ibeka phambili ikhwalithi njengesisekelo sayo futhi iqinisekisa isevisi enhle kakhulu ukuze ihlangabezane nezidingo zawo wonke amakhasimende.
Isikhathi sokuthumela: Oct-29-2024