Titanium alloy TC11 Kucheka Kucheka Maitiro

Nekudaro, nekuti iyo titanium alloy ine diki yekucheka deformation coefficient (iyo deformation coefficient ishoma pane kana padhuze ne1), iyo yekucheka maitiro echip pane rake rake kumeso inowedzera nzira yekutsvedza kukakavara, iyo inokasira iyo yekushandisa kupfeka; Zvichakadaro, iyo yekucheka tembiricha yakakwira, iyo yekucheka simba iri hombe, uye Kuonekwa kwekudzikira kwekushatisa kwekutenderera kunoitika nekuti titanium machining ine chiitwa chakakura chemakemikari uye inosungirwa kuve nekutyisa kwemakemikari maitiro nemhando dzakasiyana dzegasi, senge O, N, H, C, nezvimwewo, izvo zvinopinda munzvimbo yekucheka pamusoro peiyo titanium chiwanikwa, zvichikonzera kuomarara uye brittleness yepanyika rukoko kuwedzera. Vamwe vachiri nekuumbwa kweTCI uye TiN yakaoma pamusoro penzvimbo; patembiricha yakakwira, iyo yekumusoro yakaturikidzana yakarongedzwa ne α-rukoko uye hydrogen embrittlement yakatenderera uye zvimwe zvekunze zvakashandurwa zvakasvibisa materu. Kuumbwa kwezvikamu zvisina kuenzana zvepamusoro, kushushikana kwekushushikana, kuderedzwa kuneta kwesimba kwezvikamu, kukuvara kwakanyanya kune yekucheka maitiro, uye kutaridzika kwekutsemuka, kutsemurwa, nekuteurwa; kubatana kukuru. Munguva yekucheka, titanium machipisi uye akachekwa nzvimbo Zviri nyore kuruma nedhiza data, uye rakasimba kunamatira banga chitarisiko kunoitika, zvichitungamira kune kwakanyanya kubatana kusunga; uye zvikanganiso zvakaita sekusagadzikana kweiyo titanium alloy kurongeka kunounza matambudziko mazhinji kucheka, kunyanya kucheka kwakanaka, saka kunonziwo kunetsa machining simbi. Naizvozvo, hurukuro yehunyanzvi ye titanium chiwanikwa yakanaka yekucheka machining mubvunzo unoda kutarisirwa nekuchimbidza.

Iyo muswe pombi dzimba (sezvakaratidzwa muMufananidzo 1) chinhu chakakosha chinoshanda mune chigadzirwa mune fekitori yemunyori. Nekuti izvo zvinodikanwa kuti ubvume kupisa kwakanyanya uye kumanikidza mumamiriro ekushanda, ayo mashandiro mashandiro anodikanwa ari tensile simba Rm-1030MPa, kukwirisa A ≥9, kuitira kuti igutse zvido zvayo zvinoshanda, titanium alloy TC11 inoshandiswa muchirongwa kuronga, icho yakajairika-nhete mugodhi tubular chikamu. Mushure mekurongedzwa kwekugadzirisa kwetekinoroji yayo yakanaka yekucheka, iyo yakanaka yekucheka titanium chiwanikwa TC11 yakapera.

1.Titanium Alloy TC11 Kucheka Zvimiro

TC11 titanium alloy ndeye (α + β) mhando Ti chiwanikwa. Kurongeka kwayo kunoumbwa neyakaunganidzwa yakazara hexagonal α chikamu uye muviri wakanangana necube-chikamu. Inofananidzwa nezvimwe simbi, iko kusimba kunonyanya kukosha uye anisotropy yakasimba, izvo zvinounza matambudziko akakura mukugadzirwa uye kugadzirwa kwemaatanium alloys. . Maitiro ayo ekucheka maficha anotevera:

• (1) Yakakwira yekucheka simba uye yakakwira yekucheka tembiricha. Nekuti titanium alloy ine yakaderera density uye yakakwira simba, iyo yekucheka feed ine yakakura sheari kushushikana uye hombe epurasitiki deformation basa, saka iyo yekucheka simba iri yakakwira uye yekucheka tembiricha yakakwira.
• (2) Basa rakaoma kuomesa. Pamusoro pekushandurwa kwepurasitiki, titanium alloys inoshanda zvisingaite nekuda kwekufemerwa kwemweya we oxygen uye nitrogen pamatembiricha akacheka kwazvo, kuitika kwesarudzo yakasimba mune iyo void, uye zvinopesana zvinokwirisa zvehuremu hwakaoma pane chishandiso.
• (3) Nyore tsvimbo banga. Titanium alloys ine yakasimba makemikari kudyidzana pakakwirira tembiricha, pamwe neakakura ekucheka masimba, zvinowedzera kukurudzira chishongedzo kupfeka uye kubvarura.
• (4) Chishongedzo chekupfeka chakakomba. Govanisa kupfeka chinhu chakakosha chekushandisa kupfeka kana uchicheka titanium alloys.

2.Workpiece Kuongorora

3.Technical mhinduro

3.1 Technology Mugwagwa

Unyanzvi mugwagwa hwakavakirwa pamisimboti ye "ukobvu kutanga, wozopedzisa, mukati uyezve kunze" kudzikamisa deformation panguva yekupedzisa uye kugadzirisa machining kurongeka. Mukutanga kwekuyedza kugadzirwa kwemaitiro, iyo nzira yehunyanzvi ndeiyi: kuvharidzira, kureba kwemotokari, yakaoma kutendeuka chimiro, kuchera, kufinha kwakashata, kunyatso shandura chimiro, kupedzisa chimiro.

Titanium alloy ine yakasarudzika yekushisa tembiricha, yakaderera density uye yakatarwa kupisa, uye yakakwira yekucheka tembiricha; ine hukama hwakasimba hwemakemikari nechombo, uye zviri nyore kunama banga, zvichiita kuti kucheka kuome. Ongororo dzakasimbisa kuti iro rakakura simba re titanium alloy, inowedzera kukuvadza kwayo. Naizvozvo, zvinodikanwa kuti usarudze tungsten-cobalt-yakaomeswa maalloys ane yakaderera makemikari kuyanana, yakanaka yekupisa conductivity uye yakakwira simba mukati machine kwacho.

Mota inonetsa ndeye YG8, iyo semi-yekupedzisa mota ndeye YG6, uye yekupedzisa mota iYG3X. The chibooreso chakagadzirwa cemented carbide monyorora chibooreso (YG6 cemented carbide).

3.2 Mune kusahadzika

• (1) Kana pakaoma chiwanikwa chiwi twist chibooreso chinoshandiswa pakukora, iyo yekucheka tembiricha iri zvakakodzera kumusoro, chibooreso chidimbu chakakomba chakasakara, uye kupisa kwemafuta kwekugadzirisa maitiro kuri kukanganiswa zvakananga, izvo zvinokanganisa chaiko iko kwekupedzisira kwekupedzisa.
• (2) Iyo yekushandira ine deformation hombe, uye saizi yemuchina inonetsa kudzora.
• (3) Mamiriro ekunze-kwe-coaxiality akaomarara, iwo mwero unokodzera weiyo workpiece yakaderera, uye yunifomu muyero unokodzera ndeye 50% chete.
• (4) Simba rekugadzira harina kukwirira, chishandiso chekupfeka chakakura, uye mutengo wekugadzira wakakura.

3.3 Chirongwa chekurapa

3.3.1 Sarudza chishandiso chakakodzera kubva pakutanga

Mushure mekufunda iyo data uye machining maitiro, zvakagadziriswa kushandisa Kenner HTS-C muchina-mhando chibooreso bit (jet suction drill) yekuchera; ichi chidiki chinogona kupa kutonhora kune simba uye chakashongedzerwa chine indexable PVD yekumhanyisa yakazara yakaoma alloy Kuisa uye chip nyere uye carbide drills. Mushure mekuyedza, chibooreso chinoshandisa KC720 uye KC7215 inoisa (kumberi nekumashure kuisa) izvo zvinogadzira zvinhu zvakaoma-kumuchina kubaya titanium alloys. Simba rekuburitsa rinowedzerwa ne60%, uye iyo yekushandira mushure mekuchera haigadzi kupisa uye deformation. Iko hakuna kushushikana kunoitika panguva yekugadzira, uye hapana kusvibiswa kune zvakapoteredzwa nharaunda, sezvakaratidzwa muMufananidzo 2.

3.3.2 Kuongororwa kwekushomeka kunokonzera uye zvinopesana

Chikonzero chikuru chekushomeka kwemuchina ndeyekuti iyo titanium alloy inoronga kushushikana. Muchikamu chekutanga chekuyedza kugadzirwa kwemaitiro, kunyangwe iyo tekinoroji yakagamuchira iyo michina tekinoroji yekukanganisa kutanga, ndokuzopedzisa, uyezve mukati nekunze, asi haina kunyatsofunga nezve kusagadzikana kwezvinhu zve titanium alloy kurongeka, kuumba kuoneka kweiyo workpiece deformation uye zvakaoma kudzora saizi panguva yekugadzira. Maitiro ekuderedza kudzora kwekushomeka kwetitanium chiwanikwa machine maitiro kusvika padiki idambudziko rakaoma.

Mushure mekudzokororwa kuyedza, isu tinowedzera kuchembera annealing maitiro mushure mekuomarara kwemuchina webasa. Pasina kudzikisira mashandiro eiyo workpiece, tsanga dzinonatswa, uyezve gadziriro yakanaka inosvikwa kubvisa kushushikana kwemukati uye kuita kuti gadziriro isvike kune yakagadzikana nyika.

Iyo yekupisa yekurapa chiyero iri seinotevera: iyo yekuchembera tembiricha iri 530 ℃, uye iyo inobata nguva iri 4 ~ 6h. Ita shuwa kuti Rm≥1030MPa uye A≥9%. Mushure memazana ematanho emayedzo, iyo tensile simba Rm iri pamusoro kupfuura 1030 MPa, uye iyo yekukwirisa A inopfuura 9%.

3.3.3 Zvikonzero zveKunze-kwe-Coaxiality uye Kupokana

Tichifunga nezve yakaderera chikamu cheiyo workpiece inokonzereswa nehurombo coaxiality, kumwezve kuongororwa kweiyo workpiece data uye machining tekinoroji yakaona kuti iyo workpiece itetepa-inemadziro chubhu, inova yakajairika yakaremara uye yakaoma-kumushini simbi. Chero bedzi kuomarara kwemaitiro ese ehunyanzvi kuri kuvandudzwa, Tarenda kubata nemazvo mibvunzo yayo yekugadzira.

• (1) Munguva yemukati gomba michina, yehunyanzvi nhanho nzira yakaiswa zvine musoro. Iyo yehunyanzvi nhanho ine kumwe kusimba yakashandiswa sekukochekera uye kumisikidza mareferenzi eiyo workpiece, iyo yakanyatsogadzirisa dambudziko rekushomeka kwemukati gomba panguva yekugadzira, sezvakaratidzwa mumufananidzo 3.
• (2) Mukuita kwekunze kwedenderedzwa michina, mechina nzira yekuzadza anti-vibration zvinhu inogamuchirwa, kureva kuti, panguva yehafu-yapera kutendeuka maitiro eiyo workpiece, iyo yekuchinjisa chikamu izere neyakaomarara pad pad kudzivirira iyo deformation. chebasa; iro gomba remukati rebasa rakazara zvakapfava Iyo inochinjika yerabha chubhu kana furo inoita kuti ikwane murusvingo rwayo rwomukati panguva yekugadzirwa kwemichina, uyezve inosvika pamhedzisiro yekuwedzera kuomarara kune yekushandira, sezvakaratidzwa muMufananidzo 4.
• (3) Kuti uve nechokwadi chekubatana kweiyo workpiece, seti yekumira-pamusoro zvigadziri yakanga yakarongwa panguva yekupedzisira yekupedzisa kugadzirisa kuomarara kweiyo workpiece, sezvakaratidzwa muMufananidzo 5.

 Ipapo, kubatana kweiyo workpiece kwakashomeka. Naizvozvo, pakuronga kwechigadziro, kuitira kuve nechokwadi chekuomarara kweiyo workpiece, chishandiso chakanyanya-kumisikidzwa chakashandiswa. Kwete chete kuti maburi ese emukati eiyo workpiece akashandiswa sechirevo chekumisikidza, kunyangwe chimiro chekumisikidza chaitika mune dzidziso, asi mukuita, zvakagutsa zvizere zvido zveiyo workpiece. . Ona Mufananidzo 6.

Zvichienderana nehunhu hwataurwa pamusoro apa hweTC11 titanium chiwanikwa panguva yekucheka maitiro uye mashandiro ayo chiwanikwa chinonetsa kucheka, uye zvine chekuita nemaitiro ekugadzirisa uye ruzivo rweyakaoma-kumuchina data mukugadzira maitiro, iyo yekucheka machina tekinoroji. mugwagwa wakanyorwa kubva pakutanga nenzira inotevera: yekucheka-yakati sandara kumagumo- -Kuchera -Mukati nekunze kwemota ine gwara -Kuongorora kwechembere uye zvemuchina mashandiro- Chiyero chemota- Mukati gomba remota-yapera mota, Hombe hombe yemota-yapera mota- Inner chimiro chemota yakapera - Semi-apedza mota chimiro ----General Manager Ping, diki diki yemota yakanaka --- Fine mota chimiro.

Iyo muswe pombi pekugara ye titanium alloy zvikamu zvakagadziriswa neiyi technical nzira inosangana zvizere nezvinodiwa kuronga, uye mwero unokodzera wezvikamu unosvika kupfuura 98%. Dambudziko rekucheka kwakanaka kwekushomeka kwe titanium alloy kunoitwa nenzira kwayo.

4.Conclusion

Titanium alloy ine mashoma machinability, saka maitiro ekuvandudza uye kugadzirisa kwayo machinability idambudziko rakaoma. Ichi chinyorwa chinoongorora nzira dzekucheka dzemuswe wepombi pombi yeatanium alloy zvikamu, inopedzisa iyo yakanaka kucheka titanium chiwanikwa zvikamu, uye zvinobudirira inobata iyo michina matambudziko senge kutendeuka deformation uye chishandiso kusakara kwe titanium chiwanikwa TC11 dzakaonda-madziro cylindrical zvikamu. Nerimwe zivo uye nzwisiso yeiyo machining tekinoroji yetetepa-yakakomberedzwa titanium chiwanikwa zvikamu, yakaunganidza chimwe chiitiko kune ramangwana machine ye titanium chiwanikwa zvikamu.

Batanidza kuchinyorwa ichi: Titanium alloy TC11 Kucheka Kucheka Maitiro

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