Ndezvipi zviri pachena zvakanakira CNC zvikamu kushandisa Stainless simbi sezvo mbishi zvinhu zvichienzaniswa nesimbi uye aruminiyamu alloys?
Stainless simbi isarudzo yakanakisa yeakasiyana maapplication nekuda kweiyo yakasarudzika zvivakwa. Iyo inoshingirira zvakanyanya mukuora, izvo zvinoita kuti ive yakakodzera kushandiswa munzvimbo dzakaoma semugungwa, aerospace, uye maindasitiri emakemikari. Kusiyana nesimbi uye aruminiyamu alloys, simbi isina tsvina haina ngura kana corrode nyore, izvo zvinowedzera hupenyu hurefu uye kuvimbika kwezvikamu.
Simbi isina simbi zvakare yakasimba zvinoshamisa uye yakasimba, inofananidzwa nesimbi alloys uye kunyange kupfuura simba realuminium alloys. Izvi zvinoita kuti ive sarudzo yakanaka yezvishandiso zvinoda kusimba uye kuvimbika kwechimiro, senge mota, aerospace, uye kuvaka.
Imwe bhenefiti yesimbi isina tsvina ndeyokuti inochengetedza maitiro ayo emagetsi pane ese ari maviri epamusoro uye akadzika tembiricha. Hunhu uhwu hunoita kuti huve hwakakodzera kune zvikumbiro uko kusanganisa kwekushisa kwakanyanya kunosangana. Kusiyana neizvi, aruminiyamu alloys anogona kuwana simba rakadzikira patembiricha yakakwira, uye simbi inogona kubatwa nekuora patembiricha yakakwira.
Stainless simbi zvakare muzvarirwo utsanana uye nyore kuchenesa. Izvi zvinoita kuti ive sarudzo yakanaka yekunyorera mumaindasitiri ekurapa, emishonga, uye ekugadzira chikafu uko utsanana hwakakosha. Kusiyana nesimbi, simbi isina tsvina haidi mamwe machira kana marapirwo kuchengetedza hutsanana hwayo.
Kunyange zvazvo simbi isina tsvina ine zvakawanda zvakanaka, matambudziko ayo ekugadzirisa haagoni kuregererwa.
Izvo zvinonetsa mukugadzira Stainless simbi zvinhu zvinonyanya zvinosanganisira zvinotevera zvinhu:
1. Simba guru rekucheka uye kupisa kwepamusoro
Ichi chinyorwa chine simba rakakwirira uye yakakosha tangential kushushikana, uye inoenda kwakakosha epurasitiki deformation panguva yekucheka, izvo zvinotungamira kune yakakosha simba rekucheka. Uyezve, zvinhu zvacho zvine urombo hwekupisa conductivity, zvichiita kuti tembiricha yekucheka ikwire. Kupisa kwepamusoro kunowanzoiswa munzvimbo yakamanikana padyo nekucheka kwechishandiso, zvichitungamira mukupfeka nekukurumidza kwechishandiso.
2. Kuoma basa kuoma
Austenitic Stainless simbi uye mamwe epamusoro-tembiricha alloy Stainless simbi ane austenitic chimiro. Zvishandiso izvi zvine chimiro chepamusoro chekushanda zvakaomarara panguva yekucheka, kazhinji kakawanda kupfuura yakajairwa kabhoni simbi. Somugumisiro, chigadziro chekucheka chinoshanda munzvimbo yekushanda-yakaoma, iyo inopfupisa hupenyu hwechigadzirwa.
3. Nyore kunamatira banga
Ose ari maviri austenitic Stainless simbi uye martensitic Stainless simbi inogovera hunhu hwekugadzira machipisi akasimba uye kugadzira tembiricha yekucheka yakanyanya ichigadziriswa. Izvi zvinogona kukonzera kunamatira, welding, uye zvimwe zvinonamira zviitiko zvinogona kukanganisa kushata kwepamusoro pe.zvikamu zvakagadzirwa.
4. Yakakurumidza kupfeka chombo
Zvishandiso zvataurwa pamusoro zvine zvakakwirira-kunyungudika-nzvimbo, zvinogoneka zvakanyanya, uye zvinogadzira tembiricha yekucheka yakanyanya. Izvi zvinhu zvinotungamira mukupfekedzwa kwezvishandiso, izvo zvinoda kugara uchirodzwa uye kutsiva. Izvi zvinokanganisa kugadzirwa zvakanaka uye zvinowedzera mari yekushandisa. Kuti urwise izvi, zvinokurudzirwa kuderedza mutsara wekucheka nekudyisa. Pamusoro pezvo, zvakanakisa kushandisa zvishandiso zvakagadzirirwa kugadziridza simbi isina tsvina kana yakakwirira-tembiricha alloys, uye kushandisa kutonhora kwemukati paunenge uchichera nekubaya.
Stainless simbi zvikamu zvekugadzira tekinoroji
Kuburikidza nekuongororwa kuri pamusoro kwematambudziko ekugadzirisa, tekinoroji yekugadzira uye inoenderana dhizaini dhizaini dhizaini yesimbi isina tsvina inofanira kunge yakasiyana zvakanyanya kubva kune zvakajairwa zvimiro zvesimbi. Iyo chaiyo yekugadzirisa tekinoroji ndeiyi inotevera:
1. Drilling processing
Pakuchera simbi isina simbi, kugadzirisa gomba kunogona kunetsa nekuda kwekushata kwavo kwekushisa conductivity uye diki elastic modulus. Kuti ukunde dambudziko iri, zvishandiso zvematurusi zvakakodzera zvinofanirwa kusarudzwa, zvinonzwisisika geometric paramita yechishandiso inofanira kutariswa, uye huwandu hwekucheka kwechishandiso hunofanirwa kuiswa. Drill bits dzakagadzirwa nezvinhu zvakaita seW6Mo5Cr4V2Al neW2Mo9Cr4Co8 zvinokurudzirwa kudhiraivha mhando dzemhando idzi.
Drill bits dzakagadzirwa zvemhando yepamusoro zvine zvimwe zvinoipira. Dzinodhura uye dzakaoma kutenga. Paunenge uchishandisa iyo inowanzo shandiswa W18Cr4V yakajairika yakakwira-kumhanya simbi yekubooresa, pane zvimwe zvinokanganisa. Semuenzaniso, iyo vertex angle idiki zvakanyanya, machipisi anogadzirwa akanyanya kupararira kuti abudiswe kunze kwegomba nenguva, uye mvura yekucheka haigone kutonhodza dhiri nekukurumidza. Uyezve, simbi isina tsvina, iri murombo wemafuta conductor, inokonzera kusangana kwekushisa kwekucheka pamucheto wekucheka. Izvi zvinogona kukonzeresa zviri nyore mukutsva uye kuputika kweaviri eflank nzvimbo uye mupendero mukuru, kuderedza hupenyu hwesevhisi hwechibhorani.
1) Turusi geometric parameter dhizaini Paunenge uchichera neW18Cr4V Paunenge uchishandisa yakajairika high-speed simbi yekubooresa, simba rekucheka uye tembiricha zvinonangidzirwa pamuromo wekuchera. Kuti tivandudze kusimba kwechikamu chekucheka chechibooreso, tinogona kuwedzera vertex angle kusvika pa135 ° ~ 140 °. Izvi zvakare zvinoderedza ekunze edge rake angle uye kutetepa machipisi ekuchera kuti zvive nyore kuabvisa. Nekudaro, kuwedzera iyo vertex angle kuchaita kuti chisel mupendero wechibooreso chiwedzere, zvichikonzera kukwirira kwekucheka kuramba. Naizvozvo, isu tinofanirwa kugaya mupendero wechisel weiyo drill bit. Mushure mekukuya, kona yebevel yemupendero wechisel inofanira kuva pakati pe47° kusvika 55°, uye kona yerake inofanira kuva 3°~5°. Paunenge uchikuya chisel mupendero, tinofanira kutenderedza kona pakati pekucheka uye cylindrical pamusoro kuti tiwedzere kusimba kwechisel edge.
Stainless simbi zvinhu zvine diki elastic modulus, zvichireva kuti simbi iri pasi pe chip layer ine hombe elastic kupora uye kushanda kuoma panguva yekugadziriswa. Kana kona yekuchenesa iri diki zvakanyanya, kupfeka kweiyo drill bit flank surface kuchakwidziridzwa, tembiricha yekucheka ichawedzerwa, uye hupenyu hwechibhorani huchaderedzwa. Naizvozvo, zvinodikanwa kuwedzera kona yekuyamura zvakakodzera. Zvisinei, kana kona yekuyamura yakanyanyisa, mupendero mukuru wekuchera uchaita mutete, uye kuoma kwemucheto mukuru kuchaderedzwa. Akona yekuyamura ye12° kusvika 15° inowanzodiwa. Kuitira kutetepa machipisi uye kufambisa kubviswa kwechipisi, zvinodikanwa zvakare kuvhura mitsetse yechip grooves pamativi maviri eflank echibhorani.
2) Paunosarudza chiyero chekucheka chekuchera, kusarudzwa kweThe Kana zvasvika pakucheka, kutanga kunofanira kunge kuri kuderedza kupisa kwekucheka. Kucheka-kumhanya kunokonzeresa kuwedzera tembiricha yekucheka, izvo zvinozowedzera kupfeka kwezvishandiso. Nokudaro, iyo inonyanya kukosha yekucheka ndeyekusarudza kukurumidza kucheka kwakakodzera. Kazhinji, iyo yakakurudzirwa yekucheka kumhanya iri pakati pe12-15m/min. Chiyero chekudya, kune rumwe rutivi, chine zvishoma pahupenyu hwekushandisa. Nekudaro, kana chiyero chekudya chakanyanya kuderera, chishandiso chinocheka muchikamu chakaomeswa, icho chinozowedzera kupfeka. Kana chiyero chekudya chakanyanya kukwirira, kushata kwepamusoro kuchawedzerawo. Tichifunga nezvezvinhu zviviri zviri pamusoro apa, chiyero chekudya chinokurudzirwa chiri pakati pe0.32 ne0.50mm/r.
3) Kucheka kusarudzwa kwemvura: Kuti uderedze tembiricha yekucheka panguva yekuchera, emulsion inogona kushandiswa senge inotonhorera svikiro.
2. Reaming processing
1) Paunenge uchigadzira simbi isina tsvina, carbide reamers inowanzoshandiswa. Mamiriro emugadziri uye geometric parameter akasiyana kubva kune akajairwa reamers. Kudzivirira kuvharika kwechip panguva yekudzokorora uye kuwedzera kusimba kwemeno anocheka, huwandu hwemazino eremer hunowanzo chengetwa hwakaderera. Iyo angle angle ye reamer inowanzova pakati pe8 ° kusvika 12 °, kunyangwe mune dzimwe nguva, reki angle ye0 ° kusvika 5 ° inogona kushandiswa kuwana high-speed reming. Kona yekuchenesa kazhinji inotenderedza 8° kusvika 12°.
Iyo huru declination angle inosarudzwa zvichienderana negomba. Kazhinji, paburi, kona i15 ° kusvika 30 °, nepo kune isiri-yeburi, i45 °. Kuburitsa machipisi kumberi kana uchidzokorodza, kona yekupendekera kwemupendero inogona kuwedzerwa neinosvika 10 ° kusvika 20 °. Iyo blade hupamhi inofanira kuva pakati pe0.1 kusvika 0.15mm. Iyo inverted taper pane reamer inofanira kunge yakakura kupfuura iyo yeakajairika reamers. Iwo ma carbide reamers anowanzo 0.25 kusvika 0.5mm/100mm, nepo high-speed simbi reamers ari 0.1 kusvika 0.25mm/100mm maererano taper yavo.
Iyo yekururamisa chikamu cheiyo reamer inowanzo 65% kusvika 80% yehurefu hweakajairwa reamers. Hurefu hwechikamu checylindrical kazhinji 40% kusvika 50% yeiyo yeakajairika reamers.
2) Paunenge uchidzokorora zvakare, zvakakosha kusarudza chiyero chekudya chakakodzera, chinofanira kuva pakati pe0.08 kusvika 0.4mm / r, uye kukurumidza kucheka, iyo inofanira kubva pakati pe10 kusvika 20m / min. Iyo rough reming allowance inofanira kunge iri pakati pe0.2 kusvika 0.3mm, ukuwo fine reming allowance inofanira kuva pakati pe0.1 kusvika 0.2mm. Zvinokurudzirwa kushandisa maturusi e-carbide pakugadzikazve, uye maturusi esimbi anomhanya-mhanya pakugadzirisa zvakanaka.
3) Pakusarudza mvura yekucheka yekudzorera simbi isina tsvina, yakazara kurasikirwa system mafuta kana molybdenum disulfide inogona kushandiswa senge inotonhorera svikiro.
3. Boring processing
1) Paunenge uchisarudza chishandiso chekugadzirisa zvikamu zvesimbi isina tsvina, zvakakosha kufunga nezve yakakwirira yekucheka simba uye tembiricha. Carbides ine simba rakawanda uye yakanaka yekupisa conductivity, yakadai seYW kana YG carbide, inokurudzirwa. Kupedzisa, YT14 uye YT15 carbide inoisa inogona kushandiswa zvakare. Ceramic zvinhu zvekushandisa zvinogona kushandiswa kugadzira batch. Nekudaro, zvakakosha kuziva kuti zvinhu izvi zvinoratidzwa nekuomarara kwakanyanya uye kuomarara kwekushanda, izvo zvinokonzeresa kuti chishandiso chizungunuke uye chinogona kukonzera kudengenyeka kwemicroscopic pablade. Naizvozvo, pakusarudza maturusi eceramic ekucheka zvinhu izvi, kuomarara kwemicroscopic kunofanirwa kutariswa. Parizvino, α/βSialon zvinhu isarudzo iri nani nekuda kwekupokana kwayo kwepamusoro-tembiricha deformation uye kupararira kupfeka. Yakave yakabudirira kushandiswa mukucheka nickel-based alloys, uye hupenyu hwayo hwesevhisi hunodarika Al2O3-based ceramics. SiC whisker-yakasimbiswa ceramics zvakare chishandiso chinoshanda chekucheka simbi isina tsvina kana nickel-based alloys.
CBN (cubic boron nitride) blades inokurudzirwa kugadzirisa zvikamu zvakadzimwa zvakagadzirwa nezvinhu izvi. CBN ndeyechipiri kune dhaimondi maererano nekuoma, nehupamhi hwekuoma hunogona kusvika 7000 ~ 8000HV. Iyo ine yakakwirira kupfeka kuramba uye inogona kutsungirira yakakwirira yekucheka tembiricha inosvika 1200 ° C. Uyezve, ikemikari inert uye haina kupindirana kwemakemikari nesimbi dzeboka resimbi pa1200 kusvika 1300 ° C, zvichiita kuti zvive zvakanaka pakugadzirisa zvinhu zvesimbi isina tsvina. Upenyu hwayo hwematurusi hunogona kuita makumi enguva yakareba kupfuura iyo yecarbide kana ceramic maturusi.
2) Dhizaini yechishandiso geometric parameter yakakosha pakuita kucheka kwakanaka kuita. Carbide maturusi anoda hombe rake angle kuti ive nechokwadi chekucheka kwakatsetseka uye hupenyu hurefu hwematurusi. Reka angle inofanira kunge iri 10° kusvika 20° pakugadzikwa kwakashata, 15° kusvika 20° semi-finishing, uye 20° kusvika 30° pakupedza. Mhedziso huru yekona inofanirwa kusarudzwa zvichienderana nekuoma kwegadziriro yehurongwa, ine huwandu hwe30 ° kusvika 45 ° pakusimba kwakanaka uye 60 ° kusvika 75 ° pakusasimba. Kana kureba-kusvika-dhayamita reshiyo yeworkpiece inodarika kagumi, iyo hombe deflection angle inogona kuita 90 °.
Kana zvinhu zvinofinha zvesimbi zvisina simbi zvine maturusi eceramic zvinoshandiswa, iyo yakaipa rake angle inowanzoshandiswa kucheka, kubva -5 ° kusvika -12 °. Izvi zvinobatsira kusimbisa blade uye zvinotora mukana wakazara weiyo yakakwirira yekumanikidza simba rematurusi eceramic. Saizi yekona yekuyamura inobata zvakananga kupfeka kwemidziyo uye kusimba kweblade, ine huwandu hwe5 ° kusvika 12 °. Shanduko mukona huru yekutsauka inokanganisa radial uye axial yekucheka mauto, pamwe nekucheka upamhi uye ukobvu. Sezvo vibration inogona kukanganisa maturusi ekucheka eceramic, iyo hombe yekutsauka angle inofanirwa kusarudzwa kudzikisa kudedera, kazhinji muhupamhi hwe30 ° kusvika 75 °.
Kana CBN ichishandiswa sechishandiso, chishandiso chejometri paramita chinofanirwa kusanganisira reki angle ye0 ° kusvika 10 °, kona yekuzorora ye12 ° kusvika 20 °, uye kona huru yekutsauka ye45 ° kusvika 90 °.
3) Paunenge uchirodza raki pamusoro, zvakakosha kuchengetedza roughness kukosha kudiki. Izvi zvinodaro nekuti kana chishandiso chine chidiki hutsinye kukosha, chinobatsira mukudzikisa kuyerera kwekupokana kwekucheka machipisi uye inodzivirira dambudziko remachipisi anonamatira kune chishandiso. Kuti uone kukosha kwehukukutu hudiki, zvinokurudzirwa kunyatsokuya kumberi uye kumashure kwechishandiso. Izvi zvichabatsirawo kudzivirira machipisi kunamira pabanga.
4) Zvakakosha kuchengetedza kucheka kwechigadzirwa chakapinza kuitira kuderedza basa rakaoma. Pamusoro pezvo, huwandu hwekudya uye huwandu hwekuchekwa-kumashure hunofanirwa kuve hune hungwaru kudzivirira chishandiso kubva pakucheka muchikamu chakaomeswa, izvo zvinogona kukanganisa hupenyu hwechishandiso.
5) Zvakakosha kubhadhara kune nzira yekukuya yechip breaker paunenge uchishanda nesimbi isina tsvina. Aya machipisi anozivikanwa nehunhu hwawo hwakasimba uye hwakaomarara, saka chip breaker pane raki pamusoro pechishandiso chinofanira kuvhurika zvakanaka. Izvi zvinoita kuti zvive nyore kutyora, kubata, uye kubvisa machipisi panguva yekucheka.
6) Kana uchicheka simbi isina tsvina, zvinokurudzirwa kushandisa yakaderera kumhanya uye hombe yekudya. Zvekufinha nemidziyo yeceramic, kusarudza iyo yakaringana yekucheka huwandu kwakakosha pakuita kwakaringana. Kuti urambe uchicheka, huwandu hwekucheka hunofanira kusarudzwa zvichienderana nehukama pakati pekupfeka kusimba uye kucheka huwandu. Pakucheka kwepakati, iyo yakakodzera yekucheka huwandu hunofanirwa kutariswa zvichienderana nechombo chekupwanya maitiro.
Sezvo maturusi eceramic aine kupisa kwakanyanya uye kupfeka kuramba, kukanganisa kwekucheka huwandu pahupenyu hwekupfeka kwemidziyo hakuna kukosha senge carbide maturusi. Kazhinji, kana uchishandisa maturusi eceramic, chiyero chekudya ndicho chinonyanya kunzwisiswa chekuputsika kwechishandiso. Naizvozvo, painofinha simbi isina tsvina zvikamu, edza kusarudza yakakwira yekucheka kukurumidza, yakakura kumashure yekucheka huwandu, uye zvishoma kumberi, zvichibva pane workpiece zvinhu uye pasi pemuchina chishandiso simba, process system kuoma, uye blade simba.
7) Paunenge uchishanda nesimbi isina tsvina, zvakakosha kuti usarudze mvura yekucheka yakakodzera kuti uve nechokwadi chekufinha. Simbi isina tsvina inowanzobatana uye ine kupisa kwakashata, saka mvura yekucheka yakasarudzwa inofanira kuva nekudzivirira kwakanaka kwekubatanidza uye kupisa kwekushisa. Semuenzaniso, mvura yekucheka ine high chlorine content inogona kushandiswa.
Pamusoro pezvo, kune mineral oil-isina, nitrate-isina aqueous mhinduro dziripo dzine kutonhora kwakanaka, kucheneswa, anti-ngura, uye nekuzora mhedzisiro, senge H1L-2 yekugadzira yekucheka fluid. Nekushandisa mvura yekucheka yakakodzera, matambudziko ane chekuita nesimbi isina tsvina anogona kukundwa, zvichikonzera kuvandudzwa kwehupenyu hwezvishandiso panguva yekuchera, kudzoreredza, uye kufinha, kuderedzwa kwekupinza kwechishandiso uye shanduko, kuvandudza kugadzirwa kwechigadzirwa, uye yemhando yepamusoro kugadzirisa gomba. Izvi zvinogona pakupedzisira kuderedza kuwanda kwevashandi uye mutengo wekugadzira uchiwana mhedzisiro inogutsa.
KuAnebon, pfungwa yedu ndeyekuisa pamberi pemhando uye kuvimbika, kupa rubatsiro rwechokwadi, uye kuedza kuwana purofiti. Isu tinovavarira kugadzira zvakanakisa nguva dzosezvikamu zvesimbiuye microCNC milling zvikamu. Isu tinokoshesa kubvunza kwako uye tichakupindura iwe nekukurumidza sezvinobvira.
Nguva yekutumira: Kubvumbi-24-2024