Mazano gumi emotokari dzeCNC

1. Inyanzvi kuwana zvishoma zvekudya zvakadzika.Mukuita kutenderedza, basa retriangular rinowanzo shandiswa kugadzira mamwe maworkpiece ane emukati nekunze madenderedzwa pamusoro pechipiri chechokwadi.Nekuda kwekupisa kwekucheka, kupokana pakati pechishandiso nechishandiso chinoita kuti chishandiso chipfeke uye kudzokororwa kwenzvimbo kurongeka kweiyo square tool holder, nezvimwewo, mhando yakaoma kuvimbisa.Kuti tigadzirise iyo chaiyo micro-yakadzika kudzika, mukutendeuka, tinogona kushandisa hukama pakati pedivi rakapesana nedivi rakachinjika regonyo sezvinodiwa kufambisa iyo longitudinal diki banga rinobata pakona, kuti risvike nemazvo. kudzika kwekudya kwakatwasuka kweiyo micro-moving turning tool.Chinangwa, chengetedza basa uye nguva, simbisa chigadzirwa chemhando uye uvandudze kushanda zvakanaka.Iyo yakajairika C620 lathe mudziyo inobata chiyero kukosha ndeye 0.05mm pagidhi.Kana iwe uchida kuwana yakachinjika yekudya kukosha kwe0.005mm, tarisa iyo sine trigonometric basa tafura: sinα=0.005/0.05=0.1 α=5o44′ saka chingofambisa diki chibatiso Kana iri 5o44', paunenge uchifambisa yakanyorwa kureba. dhisiki pachibatiso chebanga diki, inogona kusvika kune micro-kufamba kwechishandiso chekucheka nehupamhi hunokosha hwe0.005mm mune lateral direction.cnc machining chikamu

 

2. Iko kushandiswa kwereverse turning tekinoroji mumitambo mitatu yenguva refu yekugadzira inoratidza kuti mune chaiyo yekutendeuka maitiro, reverse yekucheka tekinoroji inogona kuwana mhedzisiro yakanaka.Mienzaniso inotevera ndeiyi:

(1) Kana iyo reverse-yekucheka tambo zvinhu iri martensitic Stainless simbi ine mukati nekunze shinda yekushanda ine pitch ye 1.25 uye 1.75 mm, sezvo gomo relathe screw rinobviswa nenamo yeworkpiece, iyo inowanikwa. value is Ukoshi husinga peri.Kana shinda ichigadzirwa nekusimudza mubato wecounter nut, shinda inowanzodambuka.Kazhinji, iyo lathe yakajairwa haina dhizaini dhizaini, uye iyo yakazvigadzira yega seti yedhisiki inopedza nguva, saka mukugadzirisa nzwi rakadaro.Pakuisa thread, kazhinji.Iyo nzira yakagamuchirwa ndiyo yakaderera-kumhanya yakatsetseka yekutendeuka nzira, nekuti iyo yekumhanya-yepamusoro-yekusimudza haina kukwana kudzoreredza banga, saka kugona kwekugadzira kwakadzikira, faira rinogadzirwa nyore panguva yekutendeuka, uye roughness yepasi haina kunaka, kunyanya mukugadzirisa martensite simbi isina tsvina yakadai se1Crl3, 2 Crl3, nezvimwewo. Paunenge uchicheka nekumhanya kwakadzika, chiitiko chejeko chinonyanya kuoneka.Iyo reverse-kucheka, reverse-kucheka, uye yakatarisana-yakatarisana "matatu-reverse" nzira dzekucheka dzakagadzirwa mukuita machining dzinogona kuwana yakanaka yekucheka mhedzisiro, nekuti iyo nzira inogona kushandura tambo nekumhanya kwakanyanya, uye mafambiro ekufamba chishandiso chiri Chishandiso chinodzoserwa kubva kuruboshwe kuenda kurudyi, saka hapana chinokanganisa kuti chishandiso hachikwanise kudzoserwa kana uchicheka shinda nekumhanya kukuru.Iyo chaiyo nzira ndeyotevera: Kana iyo yekunze tambo inoshandiswa, geya yakafanana yemukati tambo inoshandura chishandiso (Fig. 1);

Geya reverse remukati shinda inoshandura chishandiso (Mufananidzo 2).chikamu chepurasitiki

 

Usati wagadzira, gadzirisa spindle ye reverse friction plate zvishoma kuti uve nechokwadi chekutenderera kutenderera.Kune yakanaka yekucheka shinda, vhara yekuvhura nekuvhara nati, tanga kumberi uye yakaderera kasi kuenda kune isina sipe sipe, uye woisa shinda inotenderedza mudziyo muhudzamu hwakakodzera hwekucheka, unogona kudzosera kutenderera.Panguva ino, chigadziro chekushandura chinosara pakumhanya kukuru.Nekucheka banga kurudyi uye kucheka nhamba yemapanga maererano nenzira iyi, shinda ine hupamhi hwepamusoro uye yakakwirira yepamusoro inogona kugadzirwa.

(2) Mumaitiro echinyakare ekurovera kwereverse knurling, mafirita esimbi nemarara zvinopinzwa zviri nyore pakati pechishandiso nebanga rekupfumbata, zvichiita kuti workpiece iwedzere kudzvinyirirwa, zvichiita kuti mitsara iunganidzwe, iyo pateni inopwanyika kana kuputswa, nezvimwewo.Kana iyo nzira itsva yekushanda yekutendeuka uye kunyunguduka kwelathe spindle yakagamuchirwa, zvipingamupinyi zvinokonzerwa nekushanda kwekugadzirisa zvinogona kudzivirirwa zvinobudirira, uye mhedzisiro yakanaka yakakwana inogona kuwanikwa.

(3) Reverse kutendeuka kwemukati nekunze taper pombi tambo Paunenge uchitenderedza akasiyana emukati uye ekunze taper pombi shinda nekushomeka kushoma uye kushoma batch, zvinokwanisika kushandisa zvakananga reverse kucheka nekudzosera kumashure kurodha pasina mold mudziyo.Nzira itsva yekushanda, paunenge uchicheka rutivi rwechishandiso, chimbo chacho chinotamiswa chakatwasuka kubva kuruboshwe kuenda kurudyi.Iyo inochinjika faira iri nyore kubata kudzika kwefaira kubva padhayamita hombe kusvika kudiki dhayamita.Chikonzero ifaira.Kune pre-stress.Huwandu hwemashandisirwo emhando iyi nyowani yereverse inoshanda tekinoroji mukushandura tekinoroji iri kuwedzera kupararira uye inogona kuchinjika kushandiswa kune akasiyana mamiriro chaiwo.

 

3. Nzira itsva yekushanda uye kushandiswa kwechishandiso chekuchera makomba maduku Mukugadzirisa, kana gomba risingasviki 0.6mm, dhayamita ye drill idiki, kusimba kwakashata, kukurumidza kucheka hakusi kumusoro, uye workpiece zvinhu. isimbi inodzivirira kupisa uye simbi isina tsvina, uye kucheka kwekucheka kwakakura, saka kana kuchera, zvakadai sekushandiswa kwema mechanical transmission feed, drill iri nyore kwazvo kuputsika, inotevera inotsanangura chigadziro chiri nyore uye chinoshanda uye nzira yekudya yemanyorero.Chekutanga, iyo yekutanga drill chuck inoshandurwa kuita yakatwasuka shank inoyangarara mhando.Kana iyo diki yekubooresa yakasungirirwa pane inoyangarara drill chuck, kuchera kunogona kuitwa zvakanaka.Nekuda kwekuti chikamu chekumashure chechibhorani chakati twasu shank inotsvedza, inogona kufamba yakasununguka muruzha rekudhonza.Kana gomba diki radhirowa, chibooreso chuck chinogona kubatwa zvinyoro nyoro neruoko, uye manyoro micro feed inogona kuitika, uye gomba diki rinogona kukurumidza kudhirowa kunze.Hunhu uye huwandu uye kuwedzera hupenyu hwesevhisi yediki drills.Iyo yakagadziridzwa yakawanda-purpose drill chuck inogona zvakare kushandiswa kudiki-dhayamita yemukati tambo yekubaya, reming, zvichingodaro.

 

4. Anti-vibration mugomba rakadzika machining Mukugadzira gomba rakadzika, nekuda kwekaburi kadiki, iyo boring tool bar inotetepa.Izvo hazvidzivisike kugadzira vibration kana dhayamita yegomba iri Φ30～50mm uye gomba rakadzika rinenge 1000mm.Ndiyo inonyanya kushanda uye inoshanda kudzivirira kudengenyeka kwearbor.Iyo nzira ndeyekubatanidza zvitsigiso zviviri (uchishandisa zvinhu zvakaita semucheka bakelite) kumuviri weshank, uye saizi yacho yakangofanana nehukuru hwekuvhura.Munguva yekucheka, iyo arbor hainyanyi kutenderera nekuda kwekumisikidzwa kweiyo slats, uye yakadzika gomba zvikamu zvemhando yakanaka inogona kugadziriswa.machined chikamu

 

5. Iyo anti-break yediki yepakati drill iri pasi pegomba repakati re Φ1.5mm apo kuchera kuri kuduku pane gomba repakati re Φ1.5mm.Iyo yakapfava uye inoshanda yekurwisa-kupwanya nzira ndeyekusakiya tailstock kana uchiboora gomba repakati, rega tailstock Iyo yekuzvitakura uye friction inogadzirwa pakati pemuchina wemubhedha wepamusoro unoshandiswa kuchera buri repakati.Kana iyo yekucheka kuramba yakakurisa, iyo tailstock inodzokera yega, nekudaro ichidzivirira yepakati drill.

 

 

6. Anti-vibration yekushandura yakaonda-yakakomberedzwa workpieces Panguva yekushandura yakaonda-yakakomberedzwa workpieces, vibrations inowanzogadzirwa nekuda kwekushayikwa kwesimbi zvinhu zveworkpieces;kunyanya kana uchishandura simbi isina tsvina uye alloys asingadziviriri kupisa, kuzununguka kunonyanya kuoneka, kushata kwepamusoro kweiyo workpiece kwakashata zvakanyanya, uye hupenyu hwesevhisi hwechishandiso hupfupi.Nzira dzakareruka dzekukatyamadza kuzviparadzanisa mune akati wandei zvigadzirwa dzinotsanangurwa pazasi.

(1) Paunenge uchitenderedza denderedzwa rekunze resimbi isina tsvina yakatetepa chubhu workpiece, gomba rinogona kuzadzwa nehuni machipisi uye kuvharwa.Panguva imwecheteyo, migumo yese yebasa inovharwa nebakelite plug, uye ipapo claw yekutsigira pane chibatiso chinotsiviwa neIyo inotsigira melon yezvinhu zvebakelite inogona kugadzirisa arc inodiwa kuita kutendeuka kwesimbi isina tsvina. tsvimbo yakaonda.Iyi nzira iri nyore inogona kudzivirira zvinobudirira kuzununguka uye deformation yegomba slender tsvimbo panguva yekucheka.

(2) Kana uchishandura gomba remukati rekudzivirira kupisa (yakakwirira-nickel-chromium) alloy yakatetepa-yakavakirwa workpiece, kuomarara kweiyo workpiece kwakashata, shank iri nhete, uye yakakomba resonance chiitiko chinoitika panguva yekucheka, iyo ine mhosva huru yekukuvadza chishandiso uye kukonzera tsvina.Kana chinhu chinobata kuvhundutsa senge rubber strip kana chipanje chikamonerwa nechekunze kwedenderedzwa rebasa, shockproof effect inogona kubudirira.

(3) Paunenge uchitenderedza denderedzwa rekunze reiyo inodzivirira kupisa-inodzivirira alloy yakatetepa-yakavezwa sleeve workpiece, nekuda kwezvinhu zvakakwana senge kupikisa kwakanyanya kweiyo inodzivirira kupisa alloy, zviri nyore kugadzira vibration uye deformation panguva yekucheka.Kana gomba rerabha kana shinda yekotoni yakaiswa mugomba rekushanda, Kana marara akashandiswa, ipapo nzira yekudzivirira pamigumo miviri inogona kushandiswa kudzivirira zvinobudirira kuzununguka uye deformation ye workpiece panguva yekucheka, uye yakakwirira- mhando dzakatetepa-madziro workpiece inogona kugadziriswa.

 

7. Iyo yekuwedzera anti-vibration chishandiso iri nyore kugadzira vibration nekuda kwekusaomarara kweiyo elongated shaft type workpiece panguva ye-multi-groove yekucheka maitiro, zvichikonzera kushata kwepamusoro kweiyo workpiece uye kukuvadzwa kune chishandiso.Seti yekuwedzera anti-vibration maturusi anogona kugadzirisa zvinobudirira dambudziko rekuzunguza rezvikamu zvitete mukuita grooving (ona Mufananidzo 10).Isa iyo yakazvigadzira yekuvhundutsa-chiratidzo chekushandisa munzvimbo yakakodzera pane sikweya mudziyo inobata pamberi pebasa.Wobva waisa iyo inodiwa yakaumbwa-yakafanana yekutendeuka chishandiso pane sikweya mudziyo inobata, gadzirisa chinhambwe uye huwandu hwekumanikidza hwechirimo, wobva washanda.Kana iyo yekutendeuka chishandiso ichicheka mukati meiyo workpiece, iyo yekuwedzera anti-vibration chishandiso inoiswa pamusoro peiyo workpiece panguva imwe chete, iyo yakanaka kune shockproof.effect.

 

8. Zvinhu zvakaoma-ku-muchina zvinokudzwa uye zvinopedzwa.Kana isu tiri muzvinhu zvakaoma-ku-machine zvakadai se-high-temperature alloys uye simbi dzakaomeswa, hutsinye hwepamusoro hwebasa rekushanda hunodiwa kuti ive Ra0.20-0.05μm, uye kurongeka kwemaitiro zvakare kwakakwirira.Kupedzisa kwekupedzisira kunowanzoitwa pamushini wekukuya.Itai chigadziriso chakareruka chekugadzira uye vhiri rekukudza, uye gamuchira yakanaka yehupfumi mhedzisiro nekukudza pachinzvimbo chekukuya palathe.

 

9. Kukurumidza kurodha uye kuburitsa mandrels kunowanzosangana nemhando dzakasiyana dzekutakura seti mukutendeuka.Denderedzwa rekunze uye inverted gwara taper angle yebearing assembly.Nekuda kwehukuru hukuru hwebatch, kurodha uye kurodha nguva inopfuura nguva yekucheka.Yakareba, yakaderera kugadzirwa kwekubudirira.Iyo inokurumidza-kurodha mandrel uye single-banga multi-blade (hardmetal) inotenderedza maturusi anotsanangurwa pazasi anogona kuchengetedza nguva yekubatsira uye kuve nechokwadi chemhando yechigadzirwa mukugadziriswa kweakasiyana akatakura sleeve zvikamu.Nzira yekugadzira ndeyotevera.Ita nyore nyore taper mandrel.Nheyo yacho ndeye kushandisa 0.02mm trace ye taper kuseri kwe mandrel.Iyo yekubereka seti yakasimbiswa pane mandrel nekukweshana, uye ipapo banga rimwechete-banga-blade rinoshandura chishandiso rinoshandiswa.Mushure mekutenderera, iyo 15 ° cone angle inodzoserwa kumashure, uye kupaka kunoitwa kuti kubvise zvikamu nekukurumidza uye zvakanaka, sezvakaratidzwa mumufananidzo 14.

 

10. Kutendeuka kwezvikamu zvesimbi yakaoma

1 yakatsetseka pamusoro plugging 5 Thread rolling matepi akagadzirwa neakakwira ekumhanya simbi maturusi Kune iyo yekudzima Hardware uye dzakasiyana siyana dzakaoma zvinhu zvikamu zvakasangana mukugadzirwa pamusoro, sarudza yakakodzera chishandiso zvinhu uye kucheka huwandu uye chishandiso Geometric angles uye nzira dzekushanda dzinogona kuwana yakanaka yehupfumi mhedzisiro. .Semuenzaniso, mushure mekunge square broach yaputsika, kana ikatangwazve kugadzira sikweya broach, kwete chete kutenderera kwekugadzira kwakareba, asiwo mutengo wakakwira.Pamudzi webhurochi yepakutanga, tinoshandisa blade yeiyo hard alloy YM052 kuipinza kuita isina kunaka.Kona yekumberi r.=-6 °～-8 °, iyo yekucheka inogona kushandurwa nekunyatsokuya nedombo remafuta.Iko kumhanya kwekucheka ndeye V = 10 ~ 15m / min.Mushure medenderedzwa rekunze, sipe isina chinhu inochekwa, uye pakupedzisira shinda inokamurwa kuita yakaoma uye yakanaka.), mushure mekuputika, chigadziro chinofanira kudzokororwa uye pasi mushure mekurodza kutsva uye kugaya, uye ipapo tambo yemukati yetsvimbo yekubatanidza inogadzirwa, uye ipapo chibatanidza chinogadziriswa.Sikweya broach ine zvimedu zvakaputsika yakagadziriswa mushure mekutendeuka uye yaive yasakara senge nyowani.

(2) Kusarudzwa kwezvinhu zvekushandisa zvekutendeuka nekudzima Hardware 1 Magiredhi matsva akadai seyakaoma alloy YM052, YM053, YT05, nezvimwewo, iyo general yekucheka kumhanya iri pazasi 18m/min, uye kushata kwechishandiso kunogona kusvika Ra1.6 ~0.80μm.2 cubic boron nitride tool FD inogona kugadzirisa marudzi ese esimbi yakaoma uye yakapfapfaidzwa zvikamu, kucheka kukurumidza kusvika 100m / min, kushata kwepamusoro kusvika kuRa0.80 ~ 0.20μm.Iyo composite cubic boron nitride tool DCS-F inogadzirwa neState Capital Machinery Plant uye Guizhou No.6 Grinding Wheel Factory inewo kuita uku.Iyo yekugadzirisa mhedzisiro yakaipisisa kupfuura iyo yecemented carbide (asi iyo simba haina kunaka seyayo yakaoma alloy, yakadzika uye yakachipa kupfuura iyo yakaoma alloy, uye iri nyore kukuvadza kana ikashandiswa zvisina kunaka).9 ceramic zvishandiso, kucheka kumhanya kwe40 ~ 60m / min, simba racho harina kunaka.Zvose zviri pamusoro pezvishandiso zvine maitiro avo mukutendeuka nekudzima zvikamu, uye zvinofanirwa kusarudzwa maererano nemamiriro chaiwo ekushandura zvinhu zvakasiyana uye kuoma kwakasiyana.

(3) Kusarudzwa kwemhando dzakasiyana-siyana dzesimbi dzakaomeswa uye zvigadziriso zvemidziyo Zvinhu zvakasiyana zvezvikamu zvesimbi zvakaomeswa pasi pekuoma kwakafanana, zvinodiwa zvekushanda kwemidziyo zvakasiyana zvachose, zvakakura sezvikamu zvitatu zvinotevera;1 yakakwira alloy simbi: inoreva alloying zvinhu Chishandiso simbi uye die simbi (kunyanya akasiyana-siyana masimbi ekumhanya) ane huremu hunopfuura 10%.2 alloy simbi: inoreva simbi yechishandiso uye inofa simbi ine alloying element yemukati ye2 ~ 9%, senge 9SiCr, CrWMn uye yakakwirira simba alloy simbi yekugadzira.3 kabhoni simbi: inosanganisira akasiyana kabhoni turusi simbi uye carburized simbi seT8, T10, 15 simbi kana makumi maviri gauge simbi carburizing simbi.Kune kabhoni simbi, iyo microstructure mushure mekudzima inodzika martensite uye shoma shoma ye carbide, yakaoma bvudzi HV800 ~ 1000, kupfuura kuomarara kweWC neTiC mune simende carbide uye A12D3 mumaturusi e ceramic Iyo yakadzikira zvakanyanya, uye isinganyanye kupisa- yakaoma kupfuura martensite isina alloying zvinhu uye kazhinji haipfuure 200 ° C.Sezvo zviri mukati meiyo alloying zvinhu musimbi zvinowedzera, iyo carbide yemukati yesimbi mushure mekudzima uye kupisa kunowedzera, uye mhando yecarbide inova yakaoma.Kutora high-speed simbi semuenzaniso, zviri mukati carbides ari microstructure pashure quenching uye tempering anogona kusvika 10-15% (vhoriyamu reshiyo) uye ine carbides pamusoro MC, M2C, M6 uye M3, 2C, etc. High kuoma (HV2800 )Pamusoro pezvo, nekuda kwekuvapo kwenhamba yakawanda yealloying zvinhu, kuomarara kwekupisa kwemartensite ine zvinhu zvakasiyana-siyana zvealloying kunogona kuwedzera kusvika pa600 ° C.Iko kushanda kwakaoma kwesimbi dzakaomeswa neiyo macrohardness yakafanana haina kufanana, uye musiyano wakakura kwazvo.Asati ashandura simbi dzakaomarara, inoongororwa kuti ndeyomuboka iroro.Tenzi hunhu, sarudza akakodzera maturusi emidziyo, kucheka huwandu uye chishandiso geometry.Iko kona inogona kupedzisa kutendeuka kwezvikamu zvesimbi zvakaoma.