Bhiza rakanaka rinoda chigaro chakanaka uye rinoshandisa advanced CNC machining midziyo. Kana midziyo isiriyo ikashandiswa, zvichange zvisingabatsiri! Kusarudza chinhu chakakodzera chekushandisa chine simba guru pahupenyu hwesevhisi yezvishandiso, mashandiro ekugadzirisa, kunaka kwekugadzirisa uye mutengo wekugadzirisa. Ichi chinyorwa chinopa ruzivo runobatsira pamusoro pezivo yebanga, iunganidze uye ienderere mberi, ngatidzidzei pamwe chete.
Zvishandiso zvekushandisa zvinofanirwa kunge zvine zvinhu zvakakosha
Kusarudzwa kwezvinhu zvekushandisa kune simba guru pahupenyu hwezvishandiso, kugadzirisa kushanda zvakanaka, kunaka kwekugadzirisa uye mutengo wekugadzirisa. Zvishandiso zvinofanirwa kushingirira kudzvanya, tembiricha yakakwira, kukandirana, kukanganisa uye vibration kana uchicheka. Naizvozvo, zvishandiso zvematurusi zvinofanirwa kunge zvine zvinotevera zvakakosha zvivakwa:
(1) Kuoma uye kupfeka kuramba. Kuoma kwezvinhu zvekushandisa kunofanirwa kunge kwakakwira kupfuura kuomarara kweiyo workpiece zvinhu, izvo zvinowanzodiwa kuti zvive pamusoro pe60HRC. Iyo yakakwirira kuoma kwezvinhu zvekushandisa, zviri nani kupfeka kuramba.
(2) Simba uye kuoma. Zvishandiso zvemidziyo zvinofanirwa kunge zvine simba rakawanda uye kusimba kushingirira kucheka masimba, kukanganisa uye kuzununguka, uye kudzivirira brittle kuputsika uye kucheka kwechishandiso.
(3) Kudzivisa kupisa. Iyo yemidziyo ine yakanaka yekupisa kupisa, inogona kumira yakanyanya kutema tembiricha, uye ine yakanaka oxidation kuramba.
(4) Maitiro ekuita uye hupfumi. Zvishandiso zvemidziyo zvinofanirwa kuve nekuita kwakanaka kwekugadzira, kupisa kupisa kuita, kuita welding; kugaya kuita, nezvimwewo, uye inofanirwa kutevera yakakwira kuita-mutengo reshiyo.
Mhando, zvivakwa, maitiro, uye mashandisirwo emidziyo yekushandisa
1. Diamond tool zvinhu
Dhaimondi iallotrope yekabhoni uye ndicho chinhu chakaomesesa chinowanikwa mumasikirwo. Maturusi ekucheka madhaimani ane kuomarara kwepamusoro, kukwirira kupfeka kusagadzikana uye yakakwirira yekupisa conductivity, uye anoshandiswa zvakanyanya mukugadziriswa kweasina-ferrous simbi uye zvisiri-metallic zvinhu. Kunyanya mu-high-speed yekucheka kwealuminium uye silicon-aluminium alloys, zvishandiso zvemadhaimondi ndiyo mhando huru yekucheka zvishandiso zvakaoma kutsiva. Maturusi edhaimani anogona kuwana hunyanzvi hwepamusoro, kugadzikana kwepamusoro, uye hupenyu hurefu hwesevhisi akakosha uye akakosha maturusi mune yemazuva ano CNC machining.
⑴ Mhando dzemidziyo yedhaimondi
① Maturusi edhaimani echisikigo: Madhaimondi echisikigo akashandiswa sematurusi ekucheka kwemazana emakore. Zvisikwa zvekristaro maturusi edhaimondi akave akatsetseka kuita kuti mupendero wekucheka unopinza zvakanyanya. Iyo yekucheka kumucheto radius inogona kusvika 0.002μm, iyo inogona kuwana yekupedzisira-yakaonda kucheka. Inogona kugadzirisa yakanyanya kukwirisa workpiece chaiyo uye yakanyanya kuderera pamusoro roughness. Icho chinozivikanwa, chakanakira uye chisingadzokerike chekupedzisira-chaiyo machining chishandiso.
② PCD madhaimani ekucheka maturusi: Madhaimani echisikigo anodhura. Dhaimondi rinonyanya kushandiswa mukucheka kugadzirwa ndeye polycrystalline diamond (PCD). Kubva kutanga kwema1970, polycrystalline diamond (Polycrystauine diamond, inonzi PCD blades) yakagadzirwa nepamusoro-tembiricha uye yakakwirira-kumanikidza synthesis tekinoroji yakagadziridzwa. Mushure mekubudirira kwayo, maturusi ekucheka madhaimani echisikigo akatsiviwa neartificial polycrystalline diamond pane dzakawanda nguva. PCD mbishi zvinhu zvakapfuma mune masosi, uye mutengo wavo unongori mashoma kusvika pachikamu chimwe chete chegumi cheiyo yemadhaimondi chaiwo. Maturusi ekucheka ePCD haagone kuvhurika kugadzira maturusi akapinza kwazvo. Iyo yepamusoro yemhando yekucheka uye yakagadziriswa workpiece haina kunaka seyakasikwa diamond. Haisati yave nyore kugadzira PCD blades ine chip breakers muindasitiri. Naizvozvo, PCD inogona kungoshandiswa kuchekwa kwakaringana kwesimbi isina-ferrous uye isiri-simbi, uye zvakaoma kuwana ultra-high precision yekucheka. Precision girazi rekucheka.
③ CVD maturusi ekucheka madhaimani: Kubva mukupera kwema1970 kusvika kutanga kwema1980, tekinoroji yeCVD yemadhaimani yakaonekwa muJapan. CVD diamond inoreva kushandiswa kwemakemikari vapor deposition (CVD) kugadzira firimu redhaimondi pane heterogeneous matrix (senge simende carbide, ceramics, nezvimwewo). CVD madhaimani ane chaizvo chimiro uye hunhu sedhaimani rechisikigo. Kuita kweCVD diamond iri padyo neiyo yedhaimondi rechisikigo. Iyo ine zvakanakira zvechisikigo imwe crystal diamond uye polycrystalline diamond (PCD), uye inokunda kukanganisa kwavo kune imwe nhanho.
⑵ Kuita maitiro emidziyo yedhaimondi
① Kunyanya kuoma uye kupfeka kuramba: Madhaimani echisikigo ndicho chinhu chakaomesesa chinowanikwa mumasikirwo. Dhaimondi rinonyanya kupfeka kusagadzikana. Kana uchigadzira zvinhu zvekuomarara zvakanyanya, hupenyu hwematurusi edhaimondi hwakapetwa kagumi kusvika kazana kune hwematurusi ecarbide, kana kunyange mazana enguva.
② Iine yakaderera friction coefficient: Iko friction coefficient pakati pedhaimani uye mamwe asina-ferrous simbi yakaderera pane mamwe maturusi ekucheka. Iko friction coefficient yakaderera, deformation panguva yekugadzirisa idiki, uye simba rekucheka rinogona kuderedzwa.
③ Mupendero wekucheka wakapinza zvakanyanya: Kucheka kwechishandiso chedhaimani kunogona kukuyiwa kwakapinza. Iyo yakasikwa imwechete crystal diamond chishandiso chinogona kukwira se 0.002 ~ 0.008μm, iyo inogona kuita yekupedzisira-yakaonda kucheka uye yekupedzisira-chaiyo kugadzirisa.
④ High thermal conductivity: Dhaimondi ine yakakwirira yekupisa conductivity uye kupisa kwekushisa, saka kupisa kupisa kunobviswa nyore nyore uye tembiricha yechikamu chekucheka chechombo chakaderera.
⑤ Iine yakaderera yekuwedzera yekupisa coefficient: Iyo yekupisa yekuwedzera coefficient yedhaimani yakapetwa kakati wandei pane iyo simende carbide, uye shanduko yehukuru hwechishandiso inokonzerwa nekucheka kupisa idiki kwazvo, iyo inonyanya kukosha pakurongeka uye yekupedzisira-chaiyo machining. inoda kurongeka kwepamusoro.
⑶ Kushandiswa kwemidziyo yedhaimani
Maturusi edhaimani anonyanya kushandiswa kucheka kwakanaka uye kufinha kwesimbi dzisina-ferrous uye zvisiri-metallic zvinhu nekumhanya kwakanyanya. Inokodzera kugadzira akasiyana-siyana anodzivirira kusagadzika asiri simbi, akadai sefiberglass poda metallurgy blanks, ceramic zvinhu, nezvimwewo; simbi dzakasiyana-siyana dzisingagadziki dzisiri dzesimbi, dzakadai semhando dzakasiyana-siyana dzesilicon-aluminium alloys; uye kupedzisa kugadziriswa kwesimbi dzakasiyana-siyana dzisina-ferrous.
Kuipa kwemidziyo yedhaimondi ndeyekuti vane hurombo hwekupisa kugadzikana. Kana tembiricha yekucheka ichipfuura 700 ℃ ~ 800 ℃, ivo vanozorasikirwa zvachose nekuoma kwavo. Pamusoro pezvo, hazvina kukodzera kucheka masimbi ane ferrous nekuti dhaimondi (kabhoni) rinoita nyore nesimbi pakupisa kwakanyanya. Atomic chiito chinoshandura kabhoni maatomu kuita graphite chimiro, uye chishandiso chinokuvara nyore.
2. Cubic boron nitride tool zvinhu
Cubic boron nitride (CBN), yechipiri superhard material yakagadzirwa uchishandisa nzira yakafanana nekugadzira madhaimondi, ndeyechipiri kune diamondi maererano nekuoma uye kupisa kwekupisa. Iyo ine yakanakisa kugadzikana kwekupisa uye inogona kudziyisa kusvika 10,000C mumhepo. Hapana oxidation inoitika. CBN ine yakagadzikana zvakanyanya makemikari zvimiro zvesimbi simbi uye inogona kushandiswa zvakanyanya mukugadzirisa zvigadzirwa zvesimbi.
⑴ Mhando dze cubic boron nitride yekucheka maturusi
Cubic boron nitride (CBN) chinhu chisipo mumasikirwo. Yakakamurwa kuita crystal imwe chete uye polycrystalline, kureva CBN single crystal uye polycrystalline cubic boron nitride (Polycrystalline cubic bornnitride, PCBN kwenguva pfupi). CBN ndeimwe yeallotropes ye boron nitride (BN) uye ine chimiro chakafanana nedhaimondi.
PCBN (polycrystalline cubic boron nitride) chinhu chepolycrystalline umo zvinhu zvakanaka zveCBN zvinoiswa pamwechete kuburikidza nezvikamu zvinosunga (TiC, TiN, Al, Ti, nezvimwewo) pasi pekupisa kwakanyanya uye kumanikidzwa. Parizvino ndiyo yechipiri-yakaomesesa yakagadzirwa zvinhu. Dhaimondi remudziyo wemidziyo, pamwe nedhaimani, pamwe chete inonzi superhard tool material. PCBN inonyanya kushandiswa kugadzira mapanga kana mamwe maturusi.
PCBN yekucheka maturusi anogona kukamurwa kuita yakasimba PCBN blades uye PCBN inoumbwa blades sintered ne carbide.
PCBN inoumbwa blades inogadzirwa nekunyudza dhizaini yePCBN ine ukobvu hwe 0.5 kusvika 1.0mm pane carbide yakasimwa ine simba rakanaka uye kusimba. Kuita kwayo kunobatanidza kusimba kwakanaka nekuoma kwepamusoro uye kupfeka kuramba. Iyo Inogadzirisa matambudziko esimba rekukotama rakadzika uye yakaoma welding yeCBN blades.
⑵ Zvivakwa zvikuru uye maitiro e cubic boron nitride
Kunyangwe kuoma kwe cubic boron nitride kwakadzikira zvishoma pane dhaimondi, yakanyanya kukwirira kupfuura zvimwe zvinhu zvekuomarara. Mukana wakatanhamara weCBN nderekuti kugadzikana kwayo kwekupisa kwakakwira zvakanyanya kupfuura iyo yedhaimondi, inosvika tembiricha inopfuura 1200 ° C (dhaimondi iri 700-800 ° C). Imwe mukana wakatanhamara ndeyekuti ine makemikari inert uye haina kuita nesimbi pa1200-1300 ° C. reaction. Iwo makuru ekuita maitiro e cubic boron nitride ndeaya anotevera.
① Kuoma kwepamusoro uye kuramba kupfeka: CBN crystal chimiro chakafanana nedhaimani, uye ine kuoma kwakafanana uye simba kune diamond. PCBN inonyanya kukodzera kugadzirwa kwepamusoro-kuoma zvinhu zvinongogona kugadzikwa kare, uye inogona kuwana zviri nani pamusoro pemhando yeworkpiece.
② High thermal kugadzikana: Kupisa kwekupisa kweCBN kunogona kusvika 1400 ~ 1500 ℃, iyo inenge 1 nguva yakakwirira kudarika kupisa kwedhaimondi (700 ~ 800 ℃). Zvishandiso zvePCBN zvinogona kucheka alloys yepamusoro-tembiricha uye simbi yakaomeswa nekumhanya kwakanyanya 3 kusvika 5 nguva dzakakwirira kupfuura maturusi ecarbide.
③ Yakanakisa kugadzikana kwemakemikari: Haina kupindirana kwemakemikari nesimbi-yakavakirwa zvinhu kusvika ku1200-1300 ° C, uye haizopfeki zvakapinza sedhaimani. Panguva ino, inogona kuramba ichichengetedza kuoma kwesimende carbide; Zvishandiso zvePCBN zvakakodzerwa nekucheka simbi yakadzima Zvikamu uye chilled cast iron, inogona kushandiswa zvakanyanya mukucheka-kumhanya kwekucheka kwesimbi yakakandwa.
④ Yakanaka kupisa conductivity: Kunyangwe kupisa kweCBN kusingakwanise kuenderana nedhaimani, kupisa kwePCBN pakati pezvishandiso zvakasiyana-siyana ndeyechipiri kune dhaimondi, uye yakakwirira kudarika simbi inomhanya uye simende carbide.
⑤ Iine yakaderera friction coefficient: Yakaderera friction coefficient inogona kukonzera kuderedzwa kwekucheka simba panguva yekucheka, kuderedzwa kwekucheka tembiricha, uye kuvandudzwa kwemhando yemuchina wakagadzirwa.
⑶ Kushandiswa kwecubic boron nitride yekucheka maturusi
Cubic boron nitride inokodzera kupedzisa zvinhu zvakasiyana-siyana zvakaoma-kucheka-zvakadai sesimbi yakadzimwa, simbi yakaoma, alloys akakwira-tembiricha, simende carbide, uye pamusoro pekupfapfaidza zvinhu. Kurongeka kwekugadzirisa kunogona kusvika IT5 (gomba iri IT6), uye kukosha kwepamusoro kunogona kuva kuduku seRa1.25 ~ 0.20μm.
Cubic boron nitride chishandiso chekushandisa chine kusimba kwakashata uye simba rekukotama. Naizvozvo, cubic boron nitride kutenderedza maturusi haana kukodzera rough machining nekumhanya kwakaderera uye mitoro yakakwira; panguva imwecheteyo, hazvina kukodzera kucheka zvinhu zvine purasitiki yakakwira (senge aruminiyamu alloys, copper alloys, nickel-based alloys, masimbi ane high plasticity, nezvimwewo), nekuti kucheka aya Serious akavakirwa-edges achaitika kana uchishanda. nesimbi, kushatisa nzvimbo yakagadzirwa.
3. ceramic tool zvinhu
Ceramic yekucheka maturusi ane hunhu hwekuoma kwakakwirira, kupfeka kwakanaka kuramba, kwakanakisa kupisa kupisa uye kugadzikana kwemakemikari, uye hazvisi nyore kusungirirana nesimbi. Ceramic maturusi anoita basa rakakosha muCNC machining. Ceramic zvishandiso zvave chimwe chezvishandiso zvakakosha zvekucheka-kumhanya uye kugadzirisa zvinhu zvakaoma-ku-muchina. Ceramic cutting tools inoshandiswa zvakanyanya mukucheka kwepamusoro, kutema kwakaoma, kucheka kwakaoma uye kucheka kwezvinhu zvakaoma-ku-muchina. Ceramic maturusi anogona kunyatso gadzira zvakakwirira-zvakaoma zvinhu izvo zvechinyakare maturusi haakwanise kuita zvachose, achiziva "kutendeuka pane kukuya"; iyo yakakwana yekucheka kumhanya kwemidziyo yeceramic inogona kuva 2 kusvika ku10 nguva yakakwira kupfuura iyo yecarbide maturusi, nekudaro ichivandudza zvakanyanya kucheka kugadzirwa kwekuita. ; Iyo mikuru yemidziyo inoshandiswa muceramic mudziyo wemidziyo ndiyo yakanyanya kuwanda muvhu. Naizvozvo, kukwidziridzwa uye kushandiswa kwemidziyo yeceramic kwakakosha zvikuru mukuvandudza goho, kuderedza mitengo yekugadzira, nekuchengetedza simbi dzakakosha. Ichaitawo zvikuru kukurudzira kukura kwekucheka teknolojia. kufambira mberi.
⑴ Mhando dzeceramic tool zvinhu
Ceramic tool material Types inogona kupatsanurwa muzvikamu zvitatu: alumina-based ceramics, silicon nitride-based ceramics, uye composite silicon nitride-alumina-based ceramics. Pakati pavo, alumina-yakavakirwa uye silicon nitride-yakavakirwa ceramic chishandiso zvinhu ndiyo inonyanya kushandiswa. Kuita kwesilicon nitride-based ceramics kwakakwirira kupfuura iyo yealumina-based ceramics.
⑵ Kuita uye maitiro eceramic yekucheka maturusi
① Kuomarara kwepamusoro uye kumira kwakanaka kwekupfeka: Kunyangwe kuoma kwemidziyo yekucheka yeceramic haina kukwirira sePCD nePCBN, yakanyanya kukwirira kupfuura iyo yecarbide uye maturusi ekucheka simbi, inosvika 93-95HRA. Ceramic yekucheka midziyo inogona kugadzirisa yakakwirira-yakaoma zvinhu zvakaoma kugadzirisa nemaitiro ekucheka maturusi uye akakodzera kucheka kwepamusoro uye kucheka kwakaoma.
② Kupisa kwekushisa kwepamusoro uye kumira kwakanaka kwekupisa: Ceramic yekucheka maturusi anogona kuramba achicheka pakupisa kwakanyanya pamusoro pe1200 ° C. Ceramic yekucheka maturusi ane yakanaka-yepamusoro tembiricha michina zvivakwa. A12O3 ceramic yekucheka maturusi ane yakanyanya kunaka oxidation kuramba. Kunyange kana iyo yekucheka iri mutsvuku-inopisa mamiriro, inogona kushandiswa nguva dzose. Naizvozvo, maturusi eceramic anogona kuwana kucheka kwakaoma, nekudaro kubvisa kudiwa kwekucheka mvura.
③ Kugadzikana kwakanaka kwemakemikari: Ceramic yekucheka maturusi hazvisi nyore kusungirirana nesimbi, uye inodzivirira corrosion uye ine yakanaka kugadzikana kwemakemikari, iyo inogona kuderedza kusungirirwa kupfeka kwekucheka maturusi.
④ Low friction coefficient: Kubatana pakati pematurusi eceramic nesimbi idiki, uye friction coefficient yakaderera, iyo inogona kuderedza simba rekucheka uye tembiricha yekucheka.
⑶ Ceramic mapanga ane maapplication
Ceramics ndechimwe chezvishandiso zvekushandisa zvinonyanya kushandiswa kukwirisa-kumhanya kupedzisa uye semi-kupedzisa. Ceramic yekucheka maturusi akakodzera kucheka simbi dzakasiyana-siyana dzakakandwa (grey cast iron, ductile iron, simbi inogadzika, chilled cast iron, high alloy wear-resistant cast cast iron) uye simbi zvinhu (carbon structural simbi, alloy structural simbi, high simba simbi, high manganese simbi, kudzima simbi etc.), inogonawo kushandiswa kucheka alloys mhangura, graphite, engineering mapurasitiki uye composite zvinhu.
Izvo zvinhu zveceramic zvekucheka maturusi zvine matambudziko ekushomeka kwesimba uye kushomeka kwesimba, zvichiita kuti dzisakodzere kucheka nekumhanya kwakaderera uye pasi pemitoro.
4. Coated tool zvinhu
Coating yekucheka maturusi ndiyo imwe yenzira dzakakosha dzekuvandudza mashandiro echishandiso. Kubuda kwezvishandiso zvakavharwa kwakaunza budiriro huru mukucheka mashandiro ekucheka maturusi. Zvishandiso zvakashongedzwa zvakanamirwa nechikamu chimwe chete kana anopfuura emakomisheni anopikisa ane kumira zvakanaka kwekupfeka pamutumbi wemidziyo nekusimba kwakanaka. Iyo inosanganisa chishandiso matrix neiyo yakaoma coating, nekudaro inovandudza zvakanyanya mashandiro echishandiso. Maturusi akavharidzirwa anogona kuvandudza mashandiro ekugadzirisa, kugadzirisa kurongeka, kuwedzera hupenyu hwesevhisi yemidziyo, uye kuderedza mutengo wekugadzirisa.
Inenge 80% yemidziyo yekucheka inoshandiswa mumidziyo mitsva yeCNC yemuchina inoshandisa maturusi akavharidzirwa. Zvishandiso zvakashongedzwa zvichave zvakakosha zvekushandisa zvakasiyana mumunda weCNC machining mune ramangwana.
⑴ Mhando dzemidziyo yakavharwa
Zvinoenderana neakasiyana nzira dzekupfekedza, maturusi akavharidzirwa anogona kukamurwa kuita kemikari vapor deposition (CVD) yakavharwa maturusi uye yemuviri vapor deposition (PVD) yakavharwa maturusi. Coated carbide yekucheka maturusi anowanzo shandisa kemikari mhute deposition nzira, uye tembiricha yekuisa inotenderera 1000 ° C. Maturusi ekucheka akanyanya-kumhanya simbi anowanzo shandisa nzira yekuisa mhute, uye tembiricha yekuisa inotenderera 500 ° C;
Zvinoenderana neakasiyana substrate zvinhu zvematurusi akavharwa, maturusi akavharidzirwa anogona kukamurwa kuita carbide yakavharwa maturusi, yakakwirira-kumhanya simbi yakavharwa maturusi, uye maturusi akavharidzirwa pamakeramiki uye superhard zvinhu (dhaimondi uye cubic boron nitride).
Zvinoenderana nehunhu hwechinhu chekuputira, maturusi akavharidzirwa anogona kupatsanurwa muzvikamu zviviri, zvinoti "zvakaoma" zvakavharwa maturusi uye 'zvinyoro' zvakavharwa maturusi. Zvinangwa zvikuru zvinotevedzwa ne "zvakaoma" zvakavharwa maturusi akanyanya kuomarara uye kupfeka kusagadzikana Zvakanakira kuomarara kwakanyanya uye kwakanaka kupfeka kuramba, kazhinji TiC uye TiN coatings. Chinangwa chinotevedzwa ne "soft" coating maturusi ndeye yakaderera friction coefficient, inozivikanwawo seyega-lubricating maturusi, ayo friction ne workpiece material Iyo coefficient yakaderera kwazvo, inenge 0.1 chete, iyo inogona kuderedza kunamatira, kuderedza kupesana, uye kuderedza kucheka. simba nekucheka tembiricha.
Nanocoating (Nanoeoating) maturusi ekucheka achangogadzirwa. Zvishandiso zvakadaro zvakavharidzirwa zvinogona kushandisa zvakasiyana-siyana zvekushongedza zvinhu (zvakadai sesimbi / simbi, simbi / keramic, ceramic / ceramic, nezvimwewo) kuti isangane nekushanda kwakasiyana uye kushanda zvinodiwa. Yakanyatsogadzirwa nano-coatings inogona kuita zvishandiso zvematurusi zvakanakisa kukwesha-kuderedza uye anti-kupfeka mabasa uye yekuzvigadzira-mafuta zvivakwa, zvichiita kuti zvikodzere kukurumidza-kumhanya kwekucheka kwakaoma.
⑵ Hunhu hwematurusi ekucheka akaputirwa
① Yakanaka michina uye yekucheka mashandiro: Zvishandiso zvakavharwa zvinosanganisa zvakanakisa zvivakwa zvehwaro zvinhu uye zvekupfeka zvinhu. Ivo havangochengete chete kusimba kwakanaka uye kusimba kwepamusoro kweiyo base zvinhu, asi zvakare vane kuomarara kwepamusoro, kupfeka kwakakwira kuramba uye yakaderera Friction coefficient. Nokudaro, kukurumidza kucheka kwezvishandiso zvakaputirwa zvinogona kuwedzerwa nekanopfuura ka2 pane iyo yezvishandiso zvisina kuvharwa, uye mazinga akakwirira ekudya anobvumirwa. Hupenyu hwezvishandiso zvakavharwa hunovandudzwawo.
② Kusimba kwakasiyana-siyana: Zvishandiso zvakavharwa zvine hupamhi hwakasiyana uye zvakanyanya kuwedzera huwandu hwekugadzirisa. Chishandiso chimwe chakavharidzirwa chinogona kutsiva maturusi akati wandei asina kuvharwa.
③ Coating ukobvu: Sezvo ukobvu hwekufukidzira hunowedzera, hupenyu hwechishandiso huchawedzerawo, asi kana ukobvu hwekuputira hwasvika pakuzara, hupenyu hwechishandiso hahuchawedzera zvakanyanya. Kana iyo yekuputira yakanyanya kukora, inokonzeresa nyore peeling; apo iyo yekuputira yakanyanya kutetepa, kupfeka kusagadzikana kuchave kwakashata.
④ Regrindability: Mashizha akavharidzirwa ane kusagona kudzoreredzwa, yakaoma yekubatisa michina, yakakwira maitiro ezvinodiwa, uye nguva refu yekupfeka.
⑤ Coating material: Zvishandiso zvine zvakasiyana-siyana zvekupfeka zvine maitiro akasiyana ekucheka. Semuenzaniso: kana uchicheka nekumhanya kwakaderera, TiC coating ine zvakanakira; kana uchicheka nekumhanya kukuru, TiN inonyanya kukodzera.
⑶Kushandiswa kwemidziyo yekucheka yakavharwa
Zvishandiso zvakashongedzwa zvine mukana wakakura mumunda weCNC machining uye ichave yakakosha maturusi akasiyana mumunda weCNC machining mune ramangwana. Tekinoroji yekupfekedza yakashandiswa kupedzisa zvigayo, zvigadziriso, zvibooreso, maturusi ekugadzira gomba, magiya hobho, giya shaper cutters, magiya ekugera, mabroaches uye akasiyana-siyana-akavharirwa indexable ekuisa kuti asangane nezvinodiwa zvakasiyana-siyana zvekucheka zvakanyanya. Zvinodiwa zvezvinhu zvakadai sesimbi uye simbi yakakandwa, alloys anodzivirira kupisa uye simbi isina-ferrous.
5. Carbide tool zvinhu
Carbide yekucheka maturusi, kunyanya indexable carbide yekucheka maturusi, ndiwo anotungamira zvigadzirwa zveCNC machining maturusi. Kubva kuma1980s, mhando dzeakasiyana akakosha uye indexable carbide yekucheka maturusi kana kuisa akawedzerwa kune akasiyana marudzi. Yakasiyana-siyana yekucheka maturusi minda, umo indexable carbide maturusi akawedzera kubva nyore kushandura maturusi uye kumeso ekuchekesa makucheka kune akasiyana siyana, akaoma, uye ekugadzira maturusi maturusi.
⑴ Mhando dzematurusi ekucheka carbide
Zvinoenderana neiyo huru yemakemikari kuumbwa, simende carbide inogona kukamurwa kuita tungsten carbide-yakavakirwa simende carbide uye titanium kabhoni (nitride) (TiC (N))-yakavakirwa simende carbide.
Tungsten carbide-based cemented carbide inosanganisira matatu marudzi: tungsten cobalt (YG), tungsten cobalt titanium (YT), uye isingawanzo carbide yakawedzerwa (YW). Imwe neimwe ine zvayakanakira nezvayakaipira. Izvo zvakakosha zvinoumba tungsten carbide (WC) uye titanium carbide. (TiC), tantalum carbide (TaC), niobium carbide (NbC), etc. Iyo inowanzoshandiswa simbi yekubatanidza chikamu iCo.
Titanium carbon (nitride) -based cemented carbide is cemented carbide ine TiC sechinhu chikuru (vamwe vanowedzera mamwe carbides kana nitrides). Iyo inowanzo shandiswa simbi yekubatanidza zvikamu ndeye Mo neNi.
ISO (International Organisation for Standardization) inokamura kucheka carbide muzvikamu zvitatu:
Kirasi K, kusanganisira Kl0 ~ K40, yakaenzana nekirasi yeYG yenyika yangu (chikamu chikuru iWC.Co).
P chikamu, kusanganisira P01 ~ P50, yakaenzana nerudzi rweYT yenyika yangu (chikamu chikuru iWC.TiC.Co).
Kirasi M, kusanganisira M10~M40, yakaenzana nekirasi yenyika yangu yeYW (chikamu chikuru WC-TiC-TaC(NbC)-Co).
Giredhi rega rega rinomiririra nhevedzano yealloys kubva pakuomarara kwepamusoro kusvika pakuomarara zvakanyanya nenhamba iri pakati pe01 ne50.
⑵ Kuita maitiro emidziyo yekucheka carbide
① Kuomarara kwakanyanya: Carbide yekucheka maturusi anogadzirwa nemacarbides ane kuoma kwakanyanya uye nzvimbo yekunyungudika (inonzi chikamu chakaoma) uye masimbi anosunga (anonzi bonding phase) kuburikidza nehupfu metallurgy, nekuoma kwe89 kusvika 93HRA. , yakakwirira kwazvo kupfuura simbi inomhanya. Pa 5400C, kuoma kuchiri kukwanisa kusvika 82 ~ 87HRA, iyo yakafanana nekuoma kwesimbi yepamusoro-soro pakupisa kwekamuri (83 ~ 86HRA). Iko kuomarara kukosha kwecemented carbide kunoshanduka nehunhu, huwandu, saizi yecarbides uye zviri mukati mesimbi yekubatanidza chikamu, uye kazhinji inodzikira nekuwedzera kwezviri mukati mechikamu chesimbi. Kana iyo binder chikamu chemukati chakafanana, kuoma kweYT alloys kwakakwira kupfuura kuya kweYG alloys, uye alloys akawedzerwa neTaC (NbC) ane yakanyanya kuomarara tembiricha.
② Kupeta kusimba uye kusimba: Simba rekukotama reinowanzo shandiswa simende carbide iri pakati pe900 kusvika 1500MPa. Iyo yakakwirira yesimbi binder chikamu chemukati, iyo inokwirisa iyo inochinjika simba. Kana iyo binder yemukati yakafanana, kusimba kweYG mhando (WC-Co) alloy yakakwirira kupfuura yeYT mhando (WC-TiC-Co) alloy, uye sezvo TiC yemukati inowedzera, simba rinodzikira. Cemented carbide ndeye brittle material, uye kusimba kwayo patembiricha yekamuri inongova 1/30 kusvika 1/8 iyo yesimbi inomhanya kwazvo.
⑶ Kushandiswa kwezvinowanzo shandiswa carbide kucheka maturusi
YG alloys anonyanya kushandiswa kugadzira simbi yakakandwa, isina-ferrous simbi uye isiri-simbi zvinhu. Fine-grained cemented carbide (yakadai seYG3X, YG6X) ine kuomarara kwepamusoro uye kusagadzika kwekupfeka pane yepakati-grained carbide ine yakafanana cobalt zvirimo. Yakakodzera kugadzira imwe yakakosha hard cast iron, austenitic Stainless simbi, heat-resistant alloy, Titanium alloy, hard bronze uye kupfeka-resistant insulating materials, nezvimwewo.
Mabhenefiti akatanhamara eYT type cemented carbide kuomarara kwakanyanya, kunaka kwekupisa kupisa, kuoma kwepamusoro uye kusimba kwesimba pakupisa kwakanyanya kupfuura YG mhando, uye yakanaka oxidation kuramba. Naizvozvo, kana banga richidikanwa kuve nepamusoro kupisa kupisa uye kupfeka kuramba, giredhi rine yakakwira TiC yemukati inofanirwa kusarudzwa. YT alloys akakodzera kugadzirisa epurasitiki zvinhu sesimbi, asi hazvina kukodzera kugadzirisa titanium alloys uye silicon-aluminium alloys.
YW alloy ine zvimiro zveYG neYT alloys, uye ine yakanaka comprehensive properties. Inogona kushandiswa kugadzira simbi, simbi yakakandwa uye isina-ferrous simbi. Kana iyo cobalt yemhando yemhando yealloy yakawedzera zvakafanira, simba racho rinogona kunge rakanyanya kukwirira uye rinogona kushandiswa kune hutsinye machining uye nekukanganisa kucheka kwezvinhu zvakasiyana-siyana zvakaoma-ku-muchina.
6. High speed simbi yekucheka midziyo
High-Speed Steel (HSS) isimbi yepamusoro-alloy tool iyo inowedzera mamwe alloying zvinhu zvakadai seW, Mo, Cr, uye V. High-speed simbi yekucheka maturusi ane yakanakisa kushanda kwakazara maererano nesimba, kuoma uye processability. Mumaturusi ekucheka akaomarara, kunyanya ayo ane maumbirwo akaomarara akadai semaburi ekugadzira maturusi, milling cutters, threading tools, broaching tools, gear cut tools, etc., high-speed steel ichiri kushandiswa. kuva nechinzvimbo chepamusoro. High-speed mapanga esimbi ari nyore kurodza kuti abudise machende akapinza.
Maererano nekushandiswa kwakasiyana-siyana, simbi yepamusoro-soro inogona kukamurwa kuva simbi-yepamusoro-yepamusoro-soro uye yakakwirira-yepamusoro-soro simbi.
⑴ General-chinangwa chakakwira-kumhanya simbi yekucheka maturusi
General chinangwa high speed simbi. Kazhinji, inogona kukamurwa kuita mapoka maviri: tungsten simbi uye tungsten-molybdenum simbi. Iyi mhando yesimbi yepamusoro-soro ine 0.7% kusvika 0.9% (C). Zvinoenderana nezvakasiyana tungsten zviri musimbi, inogona kupatsanurwa kuita tungsten simbi ine W inosvika 12% kana 18%, tungsten-molybdenum simbi ine W inokwana 6% kana 8%, uye molybdenum simbi ine W content. ye2% kana kwete W. . General-chinangwa chakakwira-kumhanya simbi ine kumwe kuoma (63-66HRC) uye kupfeka kuramba, kusimba kwepamusoro uye kuomarara, kunaka kwepurasitiki uye tekinoroji yekugadzira, saka inoshandiswa zvakanyanya mukugadzira akasiyana maturusi akaomarara.
① Tungsten simbi: Iyo yakajairika giredhi yeyakajairwa-chinangwa chakakwira-kumhanya simbi tungsten simbi ndeye W18Cr4V, (inonzi W18). Iine yakanaka kuita kwese. Kuomarara kwepamusoro-tembiricha pa6000C ndeye 48.5HRC, uye inogona kushandiswa kugadzira akasiyana maturusi akaomarara. Iyo ine zvakanakira kugaya zvakanaka uye yakaderera decarburization senitivity, asi nekuda kweiyo yakakwira carbide yemukati, kugovera kusina kuenzana, zvidimbu zvakakura, uye kuderera kwesimba uye kuoma.
② Tungsten-molybdenum simbi: inoreva simbi inomhanya yakawanikwa nekutsiva chikamu chetungsten mu tungsten simbi ine molybdenum. Iyo yakajairika giredhi yetungsten-molybdenum simbi ndeye W6Mo5Cr4V2, (inonzi M2). Iyo carbide particles yeM2 yakanaka uye yakafanana, uye simba rayo, kusimba uye yakakwirira-yekushisa plastiki zviri nani pane izvo zveW18Cr4V. Imwe mhando ye tungsten-molybdenum simbi ndeye W9Mo3Cr4V (W9 kwenguva pfupi). Kugadzikana kwayo kwekupisa kwakakwira zvishoma pane M2 simbi, kubhenda kwayo uye kusimba kuri nani pane W6M05Cr4V2, uye ine yakanaka processability.
⑵ High-performance high-speed simbi yekucheka maturusi
Simbi yemhando yepamusoro-yepamusoro inoreva rudzi rutsva rwesimbi inowedzera imwe kabhoni, vanadium yemukati, uye alloying zvinhu zvakaita seCo neAl kune kuumbwa kwesimbi-chinangwa chakakwira-kumhanya, nekudaro ichivandudza kupisa kwayo uye kusapfeka. . Pane kunyanya zvinotevera zvikamu:
① High carbon high speed simbi. High-carbon high-speed steel (yakadai se95W18Cr4V) ine kuoma kwepamusoro pakupisa kwekamuri uye kupisa kwakanyanya. Yakakodzera kugadzira nekugadzirisa zvakajairwa simbi uye simbi yakakandwa, zvibooreso, mareamers, matepi uye zvigayo zvicherwa zvine kukwirira kupfeka zvinodikanwa, kana maturusi ekugadzirisa zvinhu zvakaomarara. Haikodzeri kumirisana nekukanganisa kukuru.
② High vanadium high speed simbi. Magiredhi emhando, akadai seW12Cr4V4Mo, (inonzi EV4), ine V yemukati yakawedzera kusvika 3% kusvika 5%, ine yakanaka yekusapfeka, uye inokodzera kucheka zvinhu zvinokonzeresa kupfeka maturusi, senge fiber, rabha yakaoma, mapurasitiki. , nezvimwewo, uye inogonawo kushandiswa pakugadzirisa Zvinhu zvakadai sesimbi isina tsvina, yakakwirira-yakasimba simbi uye yakakwirira-yekushisa alloys.
③ Cobalt high speed simbi. Iyo cobalt-ine super-yakaoma yakakwirira-kumhanya simbi. Magiredhi akajairika, akadai seW2Mo9Cr4VCo8, (inonzi M42), ane kuoma kwakanyanya. Kuoma kwayo kunogona kusvika 69-70HRC. Inokodzera kushandiswa kwakaoma-kushandisa-simba guru-simba rinopisa-simbi, high-temperature alloys, titanium alloys, etc. Kugadzirisa zvinhu: M42 ine grindability yakanaka uye yakakodzera kugadzira zvigadziriswe uye zvishandiso zvakaoma, asi hazvina kukodzera. yekushanda pasi pemamiriro ekucheka.
④ Aluminium high speed simbi. Ialuminium-ine super-hard high-speed simbi. Magiredhi akajairika, semuenzaniso, W6Mo5Cr4V2Al, (inonzi 501). Kuoma kwepamusoro-tembiricha pa6000C kunosvikawo pa54HRC. Kuita kwekucheka kwakaenzana neM42. Yakakodzera kugadzira zvigayo zvinocheka, zvibooreso, mareamers, magiya ekucheka, uye mabroaches. nezvimwewo, zvinoshandiswa pakugadzirisa zvinhu zvakadai sesimbi yealloy, simbi isina tsvina, yakakwirira-yakasimba simbi uye high-temperature alloys.
⑤ Nitrogen super-yakaoma yakakwirira-kumhanya simbi. Magiredhi akajairika, akadai seW12M03Cr4V3N, anonzi (V3N), masimbi ane nitrogen ane super-hard high-speed steels. Kuoma, simba, uye kuomarara zvakaenzana neM42. Inogona kushandiswa sechinotsiva cobalt-ine high-speed steels uye inoshandiswa pakucheka-yakaderera-yekucheka kwezvinhu zvakaoma-ku-machine uye yakaderera-speed, high-precision steels. processing.
⑶ Kunyungudutsa simbi inomhanya-mhanya uye poda metallurgy yakakwirira-kumhanya simbi
Zvinoenderana neakasiyana ekugadzira maitirwo, simbi inomhanya-mhanya inogona kukamurwa kuita kunyungudutsa simbi inomhanya-mhanya uye hupfu simbi yakakwira-kumhanya simbi.
① Kunyungudutsa simbi inomhanya-mhanya: Masimbi ese akajairwa akakwira-kumhanya uye simbi inomhanya kwazvo inogadzirwa nenzira dzekunyungudutsa. Anogadzirwa kuita mapanga kuburikidza nemaitiro akadai sekunyungudutsa, ingot casting, uye plating nekukunguruka. Dambudziko rakakomba rinoitika nyore nyore kana kunyungudutsa simbi yepamusoro-soro ndeye carbide segregation. Hard and brittle carbides yakagovaniswa zvisina kuenzana musimbi inomhanya-mhanya, uye zviyo zvakakasharara (kusvika kumakumi emakroni), izvo zvinokanganisa kusapfeka uye kuoma kwemidziyo yesimbi inomhanya. uye zvinokanganisa kucheka kuita.
② Powder metallurgy high-speed steel (PM HSS): Powder metallurgy high-speed steel (PM HSS) isimbi yemvura yakanyungudutswa muchoto chepamusoro-frequency induction, yakazadzwa ne-high-pressure argon kana nitrogen yakachena, uye inodzimwa kuti iwane. makristasi akanaka uye akafanana. Mamiriro (high-speed simbi hupfu), wobva wadzvanya hupfu hunobuda mubanga risina chinhu pasi pekupisa kwepamusoro uye kumanikidzwa kukuru, kana kutanga gadzira simbi billet wozoforoma nekuumburudza muchimiro chebanga. Kuenzaniswa nesimbi yepamusoro-soro inogadzirwa nenzira yekunyunguduka, PM HSS ine zvakanakira kuti zviyo zvecarbide zvakanaka uye yunifomu, uye kusimba, kusimba, uye kupfeka kusagadzikana kunovandudzwa zvakanyanya kana zvichienzaniswa nesimbi yakanyungudutswa yakakwirira-kumhanya. Mumunda wezvishandiso zvakaoma zveCNC, PM HSS maturusi anozowedzera kusimudzira uye kutora chinzvimbo chakakosha. Magiredhi akajairika, akadai seF15, FR71, GFl, GF2, GF3, PT1, PVN, nezvimwewo, inogona kushandiswa kugadzira maturusi akakura, akaremerwa, ane simba rekucheka maturusi, pamwe nematurusi ekucheka chaiwo.
Nheyo dzeKusarudzwa kweCNC Tool Materials
Parizvino, iyo inonyanya kushandiswa CNC midziyo yemidziyo inonyanya kusanganisira maturusi edhaimondi, cubic boron nitride zvishandiso, maturusi edomi, maturusi akavharidzirwa, maturusi ecarbide, maturusi esimbi anomhanya zvakanyanya, etc. Kune magiredhi mazhinji emidziyo yemidziyo, uye zvimiro zvavo zvinosiyana zvakanyanya. Tafura inotevera inoratidza zviratidzo zvikuru zvekushanda kwezvinhu zvakasiyana-siyana zvekushandisa.
Zvishandiso zvekushandisa zveCNC machining zvinofanirwa kusarudzwa zvinoenderana nebasa riri kugadziriswa uye chimiro chekugadzirisa. Kusarudzwa kwezvinhu zvekushandisa kunofanirwa kufananidzwa zvine musoro nechinhu chekugadzirisa. Kufananidzwa kwezvinhu zvekucheka maturusi uye zvinhu zvekugadzirisa zvinonyanya kureva kuenzanisa zvimiro zvemuchina, zvimiro zvemuviri uye zvimiro zvemakemikari zvezviviri kuti uwane hupenyu hwakareba hwematurusi uye yakanyanya kucheka kugadzirwa.
1. Kufananidza maitiro emagetsi ekucheka midziyo yekushandisa uye kugadzirisa zvinhu
Dambudziko rekufananidza ma mechanics echishandiso chekucheka uye chinhu chekugadzirisa chinonyanyo reva kuenzanirana kwemichina yezvivakwa paramita senge simba, kuoma uye kuoma kwechishandiso uye workpiece zvinhu. Zvishandiso zvechishandiso zvine akasiyana ma mechanical properties zvakakodzera kugadzirisa zvakasiyana workpiece zvinhu.
① Kurongeka kwechishandiso chekuoma kwezvinhu ndeichi: dhaimondi chishandiso> cubic boron nitride chishandiso>ceramic chishandiso> tungsten carbide>kumhanya simbi.
② Kurongeka kwekukombama kwesimba rezvishandiso ndeiyi: simbi inomhanya-mhanya> simende carbide> ceramic zvishandiso> diamond uye cubic boron nitride zvishandiso.
③ Kurongeka kwekuoma kwezvinhu zvekushandisa ndeichi: high-speed simbi> tungsten carbide> cubic boron nitride, diamond uye ceramic maturusi.
Yakakwirira-yakaoma workpiece zvinhu zvinofanirwa kugadziriswa nepamusoro-kuoma maturusi. Kuoma kwezvinhu zvekushandisa kunofanirwa kunge kwakakwira kupfuura kuomarara kweiyo workpiece zvinhu, izvo zvinowanzodiwa kuti zvive pamusoro pe60HRC. Iyo yakakwirira kuoma kwezvinhu zvekushandisa, zviri nani kupfeka kwayo kuramba. Semuenzaniso, kana iyo cobalt yemukati mune simende carbide inowedzera, simba rayo uye kuomarara kunowedzera uye kuoma kwayo kunoderera, zvichiita kuti ive yakakodzera kune yakaoma machining; apo iyo cobalt yemukati inoderera, kuoma kwayo uye kupfeka kuramba kunowedzera, zvichiita kuti ive yakakodzera kupedzisa.
Zvishandiso zvine hunyanzvi hwepamusoro-tembiricha mechanical zvivakwa zvinonyanya kukodzera kucheka kwepamusoro-kumhanya. Iyo yakanyanya kunaka-yepamusoro tembiricha kuita kweceramic yekucheka maturusi kunoita kuti vakwanise kucheka nekumhanya kwakanyanya, uye inobvumidzwa yekucheka kumhanya inogona kuva 2 kusvika ku10 yakakwira kupfuura iyo simende carbide.
2. Kufananidza zvinhu zvemuviri zvekucheka midziyo yezvinhu kune chinhu chakagadzirwa
Zvishandiso zvine zvinhu zvakasiyana-siyana zvemuviri, zvakadai sematurusi esimbi ane kukwirira kwepamusoro uye kunyunguduka kwakadzika, maturusi eceramic ane nzvimbo yakakwirira yekunyunguduka uye kuwedzera kwekuwedzera kwemafuta, maturusi edhaimondi ane high thermal conductivity uye kuwedzera kwekushisa kwepasi, nezvimwewo, zvakakodzera kugadzirisa zvakasiyana workpiece zvinhu. Paunenge uchigadzira maworkpieces ane hurombo hwekupisa conductivity, zvishandiso zvekushandisa zvine zvirinani kupisa conductivity zvinofanirwa kushandiswa kuitira kuti kupisa kwekucheka kunogona kukurumidza kuendeswa kunze uye tembiricha yekucheka inogona kuderedzwa. Nekuda kwekukwirira kwayo kwekupisa uye kupisa kwemafuta, dhaimondi rinogona kudzima kupisa kwekucheka nyore pasina kukonzera hombe yekupisa, iyo inonyanya kukosha kune chaiyo machining maturusi ayo anoda yakakwirira dimensional kurongeka.
① Kupisa kwekupisa kwekupisa kwezvinhu zvakasiyana-siyana zvekushandisa: maturusi edhaimondi ari 700 ~ 8000C, PCBN maturusi ari 13000 ~ 15000C, maturusi eceramic ari 1100 ~ 12000C, TiC (N)-based cemented carbide is 900 ~ 11000C, WC-based ultra-based. zviyo Carbide iri 800~9000C, HSS iri 600~7000C.
② Kurongeka kwekupisa kwekupisa kwezvinhu zvakasiyana-siyana zvematurusi: PCD>PCBN>WC-based cemented carbide>TiC(N)-based cemented carbide>HSS>Si3N4-based ceramics>A1203-based ceramics.
③ Kurongeka kwemafuta ekuwedzeredza coefficients ezvishandiso zvakasiyana-siyana ndezvi: HSS>WC-based cemented carbide>TiC(N)>A1203-based ceramic>PCBN>Si3N4-based ceramic>PCD.
④ Kurongeka kwekupikiswa kwekupisa kwemhando dzakasiyana-siyana dzemidziyo ndeye: HSS>WC-based cemented carbide>Si3N4-based ceramics>PCBN>PCD>TiC(N)-based cemented carbide>A1203-based ceramics.
3. Kufananidza makemikari ezvigadzirwa zvekucheka midziyo kune chinhu chakagadzirwa
Dambudziko rekufananidza kemikari zvimiro zvekucheka maturusi emidziyo uye kugadzirisa zvinhu zvinonyanya kureva kuenderana kwemakemikari ekuita paramita senge makemikari affinity, kemikari reaction, kupararira uye kunyungudika kwezvinhu zvekushandisa uye zvekushandisa. Zvishandiso zvine zvinhu zvakasiyana-siyana zvakakodzera kugadzirisa zvakasiyana workpiece zvinhu.
① Iyo yekubatanidza tembiricha yekudzivirira yeakasiyana maturusi emidziyo (nesimbi) ndeye: PCBN>ceramic> tungsten carbide> HSS.
② The oxidation kuramba tembiricha yezvakasiyana maturusi emidziyo ndeye: ceramic> PCBN> tungsten carbide> diamondi> HSS.
③ Kusimba kwekupararira kwemidziyo (yesimbi) ndeye: diamond> Si3N4-based ceramics> PCBN> A1203-based ceramics. The diffusion intensity (yetitanium) ndeye: A1203-based ceramic>PCBN>SiC>Si3N4>diamond.
4. Kusarudzwa kunonzwisisika kweCNC tool materials
Kazhinji, PCBN, maturusi e ceramic, coated carbide uye TiCN-based carbide maturusi akakodzera CNC kugadziridzwa kwesimbi sesimbi; nepo PCD maturusi akakodzera asiri-ferrous simbi zvinhu zvakaita seAl, Mg, Cu uye alloys avo uye Processing yezvinhu zvisiri zvesimbi. Tafura iri pazasi inonyora zvimwe zvezvishandiso zvekushandisa izvo zviri pamusoro pematurusi zvinhu zvakakodzera kugadzirwa.
Xinfa CNC zvishandiso zvine hunhu hwemhando yakanaka uye mutengo wakaderera. Kuti uwane ruzivo, ndapota shanya:
CNC Zvishandiso Vagadziri - China CNC Zvishandiso Factory & Suppliers (xinfatools.com)
Nguva yekutumira: Nov-01-2023
