Ukususela ekufunyanweni kwe-titanium ngo-1790, abantu bebehlola iimpawu zayo ezimangalisayo ngaphezu kwekhulu leminyaka. Ngowe-1910, kwaveliswa isinyithi se-titanium okokuqala, kodwa uhambo oluya kusetyenziswa i-titanium alloys lwalulude kwaye lunzima. Kwaba ngowe-1951 apho imveliso yemizi-mveliso yaba yinto yokwenene.
Iialloyi ze-Titanium ziyaziwa ngamandla azo athile aphezulu, ukuxhathisa ukubola, ukumelana nobushushu obuphezulu, kunye nokumelana nokudinwa. Banobunzima be-60% kuphela njengentsimbi kwivolumu efanayo kodwa yomelele kunentsimbi yealloy. Ngenxa yezi zakhiwo zibalaseleyo, iialloyi ze-titanium ziya zisetyenziswa ngokwandayo kwiinkalo ezahlukeneyo, kuquka ezomoya, i-aerospace, ukuveliswa kwamandla enyukliya, amandla enyukliya, iinqanawa, iikhemikhali, kunye nezixhobo zonyango.
Izizathu zokuba kutheni i-titanium alloys kunzima ukuyiqhuba
Iimpawu ezine eziphambili ze-titanium alloys-i-conductivity ephantsi ye-thermal, ukuqina komsebenzi obalulekileyo, ukudibanisa okuphezulu kwezixhobo zokusika, kunye nokuguqulwa kweplastiki encinci-zizizathu eziphambili zokuba kutheni ezi zixhobo zinzima ukusetyenzwa. Ukusebenza kwabo ukusika kuphela malunga ne-20% yentsimbi yokusika ngokulula.
I-conductivity ephantsi ye-thermal
Ingxubevange ye-Titanium ine-conductivity ye-thermal emalunga ne-16% kuphela ye-45 # yentsimbi. Esi sixhobo esilinganiselweyo sokuqhuba ukushisa kude ngexesha lokucubungula kukhokelela ekunyukeni okukhulu kweqondo lokushisa kwinqanaba lokusika; enyanisweni, iqondo lobushushu incam ngexesha processing ingagqitha leyo yentsimbi 45 # ngaphezu 100%. Eli qondo lobushushu eliphakamileyo libangela lula ukunxiba kwe-diffuse kwisixhobo sokusika.
Umsebenzi onzima wokuqina
Ingxubevange ye-Titanium ibonisa umsebenzi obalulekileyo wokuqina, okukhokelela kumgangatho ocacileyo wokuqina womphezulu xa kuthelekiswa nentsimbi engatyiwayo. Oku kunokukhokelela kwimingeni ekuqhubekekeni okulandelayo, njengokunyuka kokunxiba kwisixhobo.
Ubudlelwane obuphezulu kunye nezixhobo zokusika
Ukubambelela kakhulu kunye ne-titanium ene-cemented carbide.
Ukuguqulwa kweplastiki encinci
I-elastic modulus yentsimbi ye-45 imalunga nesiqingatha, ekhokelela ekubuyiseleni okubonakalayo kunye nokukhuhlana okukhulu. Ukongeza, i-workpiece ichaphazeleka kwi-clamping deformation.
Iingcebiso zobuchwephesha bokwenza ii-alloys ze-titanium
Ngokusekwe ekuqondeni kwethu iindlela zobuchwephesha be-titanium alloys kunye namava angaphambili, nazi iingcebiso eziphambili zetekhnoloji yokwenza ezi mathiriyeli:
-Sebenzisa iiblade ezine-engile echanekileyo yejometri ukunciphisa amandla okusika, ukunciphisa ubushushu bokusika, kunye nokunciphisa i-deformation ye-workpiece.
- Gcina isantya sokutya esingaguqukiyo ukuthintela ukuqina kwesixhobo sokusebenza. Isixhobo kufuneka sihlale sisondle ngexesha lenkqubo yokusika. Ukusila, ubunzulu bokusika i-radial (ae) kufuneka bube yi-30% yeradiyasi yesixhobo.
- Sebenzisa i-high-pressure kunye ne-high-flow cutting cutting fluids ukuqinisekisa ukuzinza kwe-thermal ngexesha lomatshini, ukuthintela ukuchithwa kwendawo kunye nomonakalo wesixhobo ngenxa yokushisa okugqithisileyo.
- Gcina i-blade edge ibukhali. Izixhobo ezibuthuntu zingakhokelela ekuqokeleleni ubushushu kunye nokunyuka kokunxiba, ukuphakamisa kakhulu umngcipheko wokungaphumeleli kwesixhobo.
- Umatshini we-titanium alloys kwezona meko zithambileyo xa kunokwenzeka.CNC processing processingkuba nzima ngakumbi emva kokuqina, njengoko unyango lobushushu lunyusa amandla ezinto kwaye lukhawulezisa ukunxiba kweblade.
-Sebenzisa iradiyasi enkulu yencam okanye i-chamfer xa usika ukwandisa indawo yokudibanisa yeblade. Esi sicwangciso sinokunciphisa amandla okusika kunye nokushisa kwinqanaba ngalinye, kunceda ukukhusela ukuphuka kwendawo. Xa ukugaya i-titanium alloys, isantya sokusika sinempembelelo ebalulekileyo kubomi besixhobo, silandelwa bubunzulu bokusika i-radial.
Sombulula iingxaki zokulungisa i-titanium ngokuqala ngencakuba.
Ukunxitywa kwe-blade groove eyenzeka ngexesha lokusetyenzwa kwe-titanium alloys kukunxitywa kwendawo okwenzeka ngasemva nangaphambili kweblade, kulandela ulwalathiso lokusika ubunzulu. Oku kunxitywa kudla ngokubangelwa ngumaleko oqinileyo oshiywe kwiinkqubo zangaphambili zomatshini. Ukongezelela, ekuqhubeni amaqondo okushisa angaphezu kwe-800 ° C, ukuphendulwa kweekhemikhali kunye nokusabalalisa phakathi kwesixhobo kunye nesixhobo sokwenza umsebenzi kunegalelo ekubunjweni kwe-groove wear.
Ngexesha lokucoca, iamolekyu ze-titanium ezivela kwi-workpiece ziyakwazi ukuqokelela phambi kwe-blade ngenxa yoxinzelelo oluphezulu kunye nokushisa, okukhokelela kwinto eyaziwa ngokuba yi-edge eyakhelweyo. Xa lo mphetho owenziweyo udibanisa kwi-blade, unokususa i-carbide coating kwi-blade. Ngenxa yoko, ukusetyenzwa kwe-titanium alloys kufuna ukusetyenziswa kwezinto ezikhethekileyo ze-blade kunye neejometri.
Ulwakhiwo lwesixhobo esilungele ukusetyenzwa kwe-titanium
Ukusetyenzwa kweealloyi ze-titanium ngokuyintloko kujikeleza ekulawuleni ubushushu. Ukuphelisa ngokufanelekileyo ukushisa, inani elibalulekileyo le-high-pressure cutting fluid kufuneka lichaneke kwaye lisetyenziswe ngokukhawuleza kwi-cut cut. Ukongeza, kukho uyilo olukhethekileyo lokusika umsiki okhoyo olungiselelwe ngokukodwa ukusetyenzwa kwe-titanium alloy.
Ukuqala kwindlela ethile yomatshini
Ukujika
Iimveliso ze-Titanium alloy zinokufikelela uburhabaxa obuphezulu ngexesha lokujika, kwaye ukuqina komsebenzi akunzima. Nangona kunjalo, ubushushu bokusika buphezulu, obukhokelela ekunxibeni kwesixhobo esikhawulezayo. Ukujongana nezi mpawu, sijolise ikakhulu kula manyathelo alandelayo malunga nezixhobo kunye neeparamitha zokusika:
Izixhobo zezixhobo:Ngokusekwe kwiimeko ezikhoyo zomzi-mveliso, iYG6, YG8, kunye neYG10HT izixhobo zesixhobo zikhethiwe.
Iiparamitha zejometri yesixhobo:isixhobo esifanelekileyo ngaphambili nangeengile ngasemva, isixhobo sokujikeleza.
Xa ujika isangqa sangaphandle, kubalulekile ukugcina isantya esisezantsi sokusika, izinga lokutya eliphakathi, ubunzulu bokusika, kunye nokupholisa okwaneleyo. Isixhobo sesixhobo akufanele sibe phezulu kunombindi womsebenzi, njengoko oku kunokukhokelela ekubeni ubambeke. Ukongeza, xa ugqibezela kwaye ujika iindawo ezinodonga olucekethekileyo, eyona angle yokuphambuka yesixhobo kufuneka ibe phakathi kwama-75 kunye nama-90 degrees.
Ukugaya
Ukugaya iimveliso ze-titanium alloy kunzima ngakumbi kunokuguqula, kuba ukugaya kukusika okuphakathi, kwaye iitshiphusi zilula ukunamathela kwi-blade. Xa amazinyo ancangathi agawulwe kwi-workpiece kwakhona, iitshiphusi ezincangathi ziyanqunyulwa kwaye isiqwenga esincinci sesixhobo sithathiwe, okukhokelela ekuqhekekeni, okunciphisa kakhulu ukuqina kwesixhobo.
Indlela yokugaya:ngokubanzi sebenzisa i-down milling.
Isixhobo sezixhobo:intsimbi enesantya esiphezulu iM42.
Ukusila phantsi akuqhelekanga ukusetyenziselwa ukusetyenzwa kwentsimbi yealloyi. Oku kubangelwe ikakhulu ngenxa yempembelelo yesikhewu phakathi kwesikrufu sokukhokela sesixhobo somatshini kunye ne nut. Ngexesha lokusila phantsi, njengoko i-milling cutter isebenzisana ne-workpiece, amandla ecandelo kwicala lesondlo lihambelana nolwalathiso lwesondlo ngokwalo. Oku kulungelelaniswa kunokukhokelela ekuhambeni kwexeshana kwetafile yomsebenzi, ukwandisa umngcipheko wokuphulwa kwesixhobo.
Ukongezelela, kwi-down milling, amazinyo okusika adibana nomaleko olukhuni kwindawo yokusika, enokubangela umonakalo wesixhobo. Kwi-milling ebuyela umva, iitshiphusi zitshintsha ukusuka kubhityi ukuya kwingqindilili, nto leyo eyenza ukuba inqanaba lokuqala lokusika lithande ukukhuhlana phakathi kwesixhobo kunye nesixhobo sokusebenza. Oku kunokwandisa ukunamathela kwe-chip kunye nokutshiphuzwa kwesixhobo.
Ukufezekisa ukugaya okugudileyo kwee-alloys ze-titanium, iingqwalasela ezininzi kufuneka zithathelwe ingqalelo: ukunciphisa i-angle yangaphambili kunye nokunyusa i-angle yangasemva xa kuthelekiswa nabasiki bemigangatho. Kuyacetyiswa ukuba usebenzise izantya zokusila ezisezantsi kwaye ukhethe izisiki zokusila izinyo ezibukhali ngelixa unqanda abasiki bemihlakulo-izinyo lokusila.
Ukucofa
Xa ucofa iimveliso ze-titanium alloy, ii-chips ezincinci zinokunamathela ngokulula kwi-blade kunye ne-workpiece. Oku kukhokelela ekwandeni koburhabaxa bomphezulu kunye netorque. Ukukhetha okungafanelekanga kunye nokusetyenziswa kweempompo kunokubangela ukuqina komsebenzi, kukhokelela ekusebenzeni okuphantsi kakhulu, kwaye ngamanye amaxesha kukhokelele ekophukeni kwempompo.
Ukwandisa ukucofa, kuyacetyiswa ukuba ubeke phambili usebenzisa umsonto omnye-kwindawo etsityiweyo impompo. Inani lamazinyo etephini kufuneka libe mbalwa kunelo lempompo eqhelekileyo, ngokuqhelekileyo malunga namazinyo ama-2 ukuya kwa-3. I-angle enkulu yokusika i-taper iyakhethwa, kunye necandelo le-taper ngokubanzi lilinganisa ubude be-3 ukuya kwe-4 ubude. Ukunceda ekususeni i-chip, i-angle yokuthambekela engalunganga nayo inokugalelwa kwi-cutting taper. Ukusebenzisa iimpompo ezimfutshane kunokomeleza ukuqina kwetaper. Ukongeza, i-reverse taper kufuneka ibe nkulu kancinane kunomgangatho wokunciphisa ingxabano phakathi kwe-taper kunye ne-workpiece.
Ukuhlaziya kwakhona
Xa uvuselela i-titanium alloy, ukunxitywa kwezixhobo ngokuqhelekileyo akukho nzima, kuvumela ukusetyenziswa kwe-carbide kunye ne-high-speed steel reamers. Xa usebenzisa i-carbide reamers, kubalulekile ukuqinisekisa ukuqina kwenkqubo yenkqubo, efana naleyo isetyenziselwa ukugaya, ukukhusela ukutshitshiswa kwe-reamer.
Owona mceli mngeni uphambili ekubuyiseni imingxunya ye-titanium alloy kukuphumeza ukugqiba okugudileyo. Ukuthintela incakuba ukuncamathela eludongeni lomngxuma, ububanzi beblade reamer kufuneka bucuthwe ngononophelo kusetyenziswa i-oilstone ngelixa kuqinisekiswa ukomelela okwaneleyo. Ngokuqhelekileyo, ububanzi be-blade kufuneka bube phakathi kwe-0.1 mm kunye ne-0.15 mm.
Utshintsho phakathi komgca wokusika kunye necandelo lokulinganisa kufuneka libe ne-arc egudileyo. Ukugcinwa rhoqo kuyimfuneko emva kokugqoka, ukuqinisekisa ukuba ubukhulu be-arc bezinyo ngalinye buhlala buhambelana. Ukuba kuyimfuneko, icandelo lokulinganisa linokwandiswa ukuze kusebenze ngcono.
Ukugrumba
Ukugrumba i-titanium alloys kunika imiceli mngeni ebalulekileyo, ehlala ibangela ukuba i-drill bits itshise okanye iphuke ngexesha lokucubungula. Oku kubangelwa ikakhulu kwimiba efana nokugrumba okungafanelekanga, ukususwa kwetshiphu ngokwaneleyo, ukupholisa okunganelanga, kunye nokungagungqi kwenkqubo.
Ukugrumba iialloyi zetitanium ngokufanelekileyo, kubalulekile ukugxila kwezi zinto zilandelayo: qinisekisa ukucolwa ngokufanelekileyo kwe-drill bit, sebenzisa i-angle ephezulu ephezulu, ukunciphisa i-engile yangaphandle yomphetho, ukwandisa i-engile yangaphandle ngasemva, kwaye ulungelelanise i-taper yangasemva ukuba ibe. 2 ukuya ku-3 umphinda-phinde kwi-drill bit eqhelekileyo. Kubalulekile ukurhoxisa rhoqo isixhobo ukususa iitshiphusi ngokukhawuleza, ngelixa ubeka iliso kwimilo kunye nombala weechips. Ukuba iitshiphusi zibonakala zinentsiba okanye ukuba umbala wazo uyatshintsha ngexesha lokomba, oko kubonisa ukuba i-drill bit iba buthuntu kwaye kufuneka itshintshwe okanye ilolwe.
Ukongezelela, i-drill jig kufuneka iqiniswe ngokukhuselekileyo kwi-workbench, kunye ne-blade blade kufuphi nomgangatho wokucubungula. Kuyacetyiswa ukuba usebenzise i-drill bit emfutshane xa kunokwenzeka. Xa kusetyenziswa ukutyisa ngesandla, kufuneka kuthathelwe ingqalelo ukuba ungaqhubeli phambili okanye uhlehle intwana yokomba ngaphakathi komngxuma. Ukwenza njalo kunokubangela ukuba i-drill blade ikhuhle ngokubhekiselele kumphezulu wokulungisa, okukhokelela ekusebenzeni ukuqina kunye nokunciphisa i-drill bit.
Ukusila
Imiba eqhelekileyo edibana nayo xa kusilaCNC titanium alloy iinxalenyezibandakanya ukuvala ivili lokusila ngenxa yeetshiphusi ezixingayo kunye nokutsha komphezulu kwiindawo. Oku kwenzeka ngenxa yokuba i-titanium alloys ine-conductivity ephantsi ye-thermal, ekhokelela kumaqondo okushisa aphezulu kwindawo yokusila. Oku ke, kubangela ukubambana, ukusasazwa, kunye nokusabela okunamandla kweekhemikhali phakathi kwe-titanium alloy kunye ne-abrasive material.
Ubukho beechips ezincangathi kunye namavili okugaya avaliweyo kunciphisa kakhulu umlinganiselo wokugaya. Ukongeza, ukusasazwa kunye nokuphendula kweekhemikhali kunokubangela ukutshiswa komphezulu kwindawo yokusebenza, ekugqibeleni kunciphise amandla okudinwa kwenxalenye. Le ngxaki ibonakala ngakumbi xa kusila i-titanium alloy castings.
Ukusombulula le ngxaki, amanyathelo athathiweyo ngala:
Khetha imathiriyeli efanelekileyo yevili lokusila: i-silicon carbide eluhlaza TL. Ukuqina kancinci kwevili lokusila: ZR1.
Ukusikwa kwemathiriyeli ye-titanium alloy kufuneka ilawulwe ngezixhobo zesixhobo, ukusika ulwelo, kunye neeparamitha zokusetyenzwa ukonyusa ukusebenza kakuhle.
Ukuba ufuna ukwazi ngakumbi okanye ukubuza, nceda uzive ukhululekile ukuqhagamshelanainfo@anebon.com
Intengiso eshushu: Ifektri e-China iVelisaAmacandelo okuguqula i-CNCkunye neCNC encinciAmacandelo Milling.
I-Anebon igxile ekwandiseni imarike yamazwe ngamazwe kwaye iseke isiseko esiqinileyo sabathengi kumazwe aseYurophu, e-USA, kuMbindi Mpuma, naseAfrika. Inkampani ibeka phambili umgangatho njengesiseko sayo kwaye iqinisekisa inkonzo egqwesileyo ukuhlangabezana neemfuno zabo bonke abathengi.
Ixesha lokuposa: Oct-29-2024