Anebon mamwe mafekitori evezera anowanzosangana nedambudziko rekugadzirisa deformation paunenge uchigadzira zvikamu, izvo zvinonyanya kuwanda izvo zvinhu zvesimbi isina tsvina uye zvikamu zvealuminium zvine low density.Pane zvikonzero zvakawanda zve deformation yetsika aluminium zvikamu, zvine hukama nechinhu, chikamu chimiro uye mamiriro ekugadzira.Iko kune zvakanyanya zvinotevera zvinhu: deformation inokonzerwa nekushushikana kwemukati kweiyo blank, deformation inokonzerwa nekucheka simba uye kucheka kupisa, uye deformation inokonzerwa ne clamping simba.
1. Matanho ekugadzirisa kuderedza kushandiswa kwekugadzirisa
1. Deredza kushushikana kwemukati kwechinhu chisina chinhu
Kushushikana kwemukati kwechinhu chisina chinhu chinogona kubviswa zvishoma nekuchembera kwechisikigo kana kwekugadzira uye kurapwa kwekudengenyeka.Pre-processing zvakare inzira inoshanda nzira.Kune iyo isina chinhu ine mafuta musoro nenzeve huru, nekuda kwemvumo yakakura, deformation mushure mekugadzirisa zvakare yakakura.Kana iyo yakawandisa chikamu cheiyo blank pre-yakagadziriswa uye muganho wechikamu chimwe nechimwe wakaderedzwa, kwete chete kugadzirisa deformation mune inotevera nzira inogona kuderedzwa, asi zvakare chikamu chekushushikana kwemukati chinogona kuburitswa mushure mekutanga kugadzirisa uye kuiswa. kwenguva yakati.
2. Kuvandudza kugona kwekucheka kwechombo
Zvinhu uye geometric parameters yechishandiso zvine simba rinokosha pakucheka simba uye kupisa kupisa.Kusarudzwa kwakarurama kwechishandiso kwakakosha zvikuru kuderedza deformation yechikamu.
3. Kuvandudza clamping nzira ye workpiece
Zvemadziro matetecnc machined aluminium workpiecesnekusasimba, nzira dzinotevera dzekusunga dzinogona kushandiswa kuderedza deformation:
① Yezvikamu zvakatetepa-zvakakomberedzwa nemadziro, kana iyo-shayi-yega-yega yega chuck kana collet ikashandiswa kusungirira kubva kune radial nzira, kana yangoburitswa mushure mekugadziriswa, iyo workpiece ichave yakaremara.Panguva ino, nzira yekumanikidza iyo axial yekupedzisira chiso nekusimba kuri nani inofanira kushandiswa.Tsvaga negomba remukati rechikamu, gadzira mandrel yakazvigadzira, isa mukati megomba remukati mechikamu, dzvanya kumeso kwekupedzisira nendiro yekuvhara uye uisimbise nenut.Clamping deformation inogona kudzivirirwa kana uchigadzira denderedzwa rekunze, kuitira kuti uwane inogutsa machining iko.
② Paunenge uchigadzira matete-akakomberedzwa uye akatetepa-plate workpieces, zviri nani kushandisa vacuum kusveta makapu kuti uwane yakaenzana yakagovaniswa clamping simba, uye wozogadzira nediki diki rekucheka, rinogona kudzivirira workpiece deformation.
Mukuwedzera, nzira yekutakura inogonawo kushandiswa.Kuti uwedzere kuomarara kweiyo yakaonda-yakakomberedzwa workpiece, mukati meiyo workpiece inogona kuzadzwa nepakati kuti kuderedze deformation yeworkpiece panguva ye clamping nekucheka.Semuenzaniso, dururira urea melt ine 3% kusvika 6% potassium nitrate muworkpiece.Mushure mekugadzirisa, nyudza workpiece mumvura kana doro kuti uparadze kuzadza uye uidururire kunze.
4. Ronga nzira yacho zvine musoro
Munguva yekucheka-kumhanya-mhanya, nekuda kweiyo yakakura machining mvumo uye kucheka kwepakati, kutenheka kunowanzo gadzirwa panguva yekugaya, iyo inokanganisa machining iko uye kushata kwepamusoro.Naizvozvo, iyo CNC yakakwira-kumhanya yekucheka maitiro anogona kazhinji kukamurwa kuita: rough machining-semi-kupedza-kuchenesa machining-kupedza uye mamwe maitiro.Kune zvikamu zvine yakakwirira chaiyo zvinodiwa, dzimwe nguva zvinodikanwa kuita yechipiri semi-kupedzisa uye wozopedzisa machining.Mushure mekugadzira hutsinye, zvikamu zvinogona kutonhodzwa zvega kuti zvibvise kushushikana kwemukati kunokonzerwa nehutsinye machining uye kuderedza deformation.Muganho wakasara mushure mekugadzira hutsinye unofanirwa kuve wakakura kupfuura huwandu hwe deformation, kazhinji 1 kusvika 2mm.Kana wapedza, pamusoro pechikamu chakapedzwa chinofanirwa kuchengetedza yunifomu machining mvumo, kazhinji 0.2 ~ 0.5mm yakakodzera, kuitira kuti chishandiso chive munzvimbo yakagadzikana panguva yekugadzira machining, iyo inogona kuderedza zvakanyanya kutema deformation, kuwana yakanaka yepamusoro yekugadzirisa mhando. , uye simbisa Iyo chaiyo yechigadzirwa.
2. Unyanzvi hwekushanda kuderedza kushandiswa kwekugadzirisa
Kugaya aluminium zvikamudzakaremara panguva yekugadzirisa.Mukuwedzera kune zvikonzero zviri pamusoro apa, mukushanda chaiko, nzira yekushanda inokoshawo zvikuru.
1. Kune zvikamu zvine mvumo yakakura yekugadzira machining, kuitira kuti kuve nemamiriro ari nani ekupisa kupisa panguva yekugadzira uye kudzivirira kupisa kwekupisa, symmetrical processing inofanira kushandiswa panguva yekugadzirisa.Kana pane 90mm gobvu ndiro inoda kugadziridzwa kusvika 60mm, kana rumwe rutivi rwakagayiwa uye rumwe rutivi ruchigaiwa pakarepo, uye saizi yekupedzisira inogadziriswa panguva imwe chete, iyo flatness ichasvika 5mm;kana yakadzokororwa symmetrical process ikashandiswa, divi rega rega rinogadziriswa kaviri kusvika Iyo yekupedzisira dimension inogona kuvimbisa flatness ye0.3mm.
2. Kana pane mavhavha akawanda pachikamu cheplate, hazvina kukodzera kushandisa sequential processing method yeimwe mhango uye imwe mhango panguva yekugadzirisa, iyo ichaita nyore nyore kuti zvikamu zvigadziriswe nekuda kwesimba risina kuenzana.Multi-layer processing inogamuchirwa, uye yega yega yega inogadziriswa kune ese makomba panguva imwe chete zvakanyanya sezvinobvira, uye ipapo iyo inotevera dhizaini inogadziriswa kuita kuti zvikamu zvienzane kusimbiswa uye kuderedza deformation.
3. Deredza kutema simba nekucheka kupisa nekushandura chiyero chekucheka.Pakati pezvinhu zvitatu zvekucheka huwandu, huwandu hwekucheka shure hune simba guru pakucheka simba.Kana iyo machining allowance yakawandisa, simba rekucheka mune imwe pass haringokanganisa chikamu, asi zvakare kukanganisa kuomarara kwemuchina wekushandisa spindle uye kuderedza kusimba kwechishandiso.Kana kuderedza kuwanda kwekucheka banga kumusana, kubudirira kwekugadzira kuchaderedzwa zvikuru.Nekudaro, kumhanyisa-kumhanya kunoshandiswa muCNC machining, iyo inogona kukunda dambudziko iri.Ndichiri kudzikisa huwandu hwekucheka kumashure, chero bedzi chikafu chichiwedzerwa zvinoenderana uye kumhanya kwechishandiso chemuchina kuchiwedzerwa, simba rekucheka rinogona kudzikiswa uchive nechokwadi chekugadzirisa.
4. Kurongeka kwekucheka kunofanirawo kubhadharwa.Hutsinye machining inosimbisa kuvandudzwa kweiyo machining kunyatsoshanda uye kutsvaga kweyero yekubvisa panguva yeyuniti.Kazhinji, up-cut milling inogona kushandiswa.Iko ndiko kubvisa zvinhu zvakawandisa pamusoro peiyo blank nekumhanyisa nekukurumidza uye munguva pfupi, uye kuumba chimiro chejometri chinodiwa pakupedzisa.Nepo kupedzisa kunosimbisa kurongeka kwepamusoro uye mhando yepamusoro, kugaya pasi kunofanira kushandiswa.Nokuti kucheka kwekucheka kwemazino ekucheka kunoderera zvishoma nezvishoma kubva pahupamhi kusvika kune zero panguva yekugaya pasi, dhigirii rekuoma kwebasa rinoderedzwa zvikuru, uye dhigirii ye deformation yezvikamu inoderedzwa panguva imwe chete.
5. Mashandiro akaonda-akavezwa akaremara nekuda kwekusungirira panguva yekugadziriswa, izvo zvisingadzivisiki kunyangwe pakupedzisa.Kuti uderedze deformation ye4 axis cnc machining workpiece, iyo inotsikirira chikamu inogona kusunungurwa isati yapedza machining yava kuda kusvika pakukura kwekupedzisira, kuitira kuti workpiece inogona kudzorerwa zvakasununguka kune chimiro chayo chepakutanga, uye ipapo yakamanikidzwa zvishoma, chero bedzi workpiece inogona kusungirirwa (zvakakwana) Maererano ne iyo inonzwa), kuitira kuti iyo yakakodzera yekugadzirisa mhedzisiro inogona kuwanikwa.Muchidimbu, iyo yakanakisa poindi yechiito yesimba rekumanikidza iri panzvimbo yekutsigira, uye iyo clamping simba rinofanirwa kuita munzira yekuomarara kweiyo workpiece.Pasi pemamiriro ekuona kuti workpiece haina kusununguka, iyo idiki iyo clamping simba, zviri nani.
6. Paunenge uchigadzira zvikamu zvine mhango, edza kusarega mucheki wechigayo achipinda zvakananga muchikamu sechiboorero paunenge uchigadzira mhango, zvichikonzera kusakwana kwechipu nzvimbo yekucheka milling uye kusabvisa chip, zvichikonzera kupisa, kuwedzera uye. kudonha kwechikamu Zviitiko zvisina kunaka zvakaita semapanga nemapanga akatyoka.Tanga waboora gomba nekadhiri kakaenzana neguyo kana saizi imwe yakakura, wobva waboora chigayo nechigayo.Neimwe nzira, CAM software inogona kushandiswa kugadzira iyo helical rezasi banga chirongwa.
Chinhu chikuru chinokanganisa kurongeka kwekugadzirisa uye kunaka kwepamusoro kwezvikamu zvealuminium ndechekuti deformation inowanzoitika panguva yekugadziriswa kwezvikamu zvakadaro, izvo zvinoda kuti mushandisi ave nehumwe ruzivo rwekushanda uye hunyanzvi.
1) Zvinonzwisisika sarudza geometric parameters yechishandiso.
① Rake Angle: Pasi pemamiriro ekuchengetedza simba reblade, iyo angle angle inofanirwa kusarudzwa kuti ive yakakura.Kune rumwe rutivi, inogona kugaya kunze kwakapinza, uye kune rumwe rutivi, inogona kuderedza kucheka deformation, yakatsetseka chip kubvisa, uye kuderedza kucheka simba uye kucheka tembiricha.Usamboshandisa zvishandiso zvine negative rake angles.
②Kuyamura kona: Saizi yekona yekuyamura ine mhedzisiro yakananga pakupfeka kweflank uye mhando yemuchina wakagadzirwa.Kucheka ukobvu chinhu chakakosha pakusarudza kona yekuyamura.Munguva yekugaya kwakashata, nekuda kwehuwandu hwekudya, mutoro unorema wekucheka, uye kupisa kwakanyanya chizvarwa, zvinodikanwa kuti chishandiso chine mamiriro akanaka ekupisa kupisa.Nokudaro, kona yemashure inofanira kusarudzwa kuti ive duku.Kana wapedza kugaya, mupendero wekucheka unodiwa kuve wakapinza, kuderedza kukweshera pakati peflank nenzvimbo yakagadzirwa, uye kuderedza elastic deformation.Nokudaro, kona yekuyamura inofanira kusarudzwa yakakura.
③Helix angle: Kuti chigayo chigadzikane uye kuderedza simba rekugaya, helix angle inofanira kusarudzwa yakakura sezvinobvira.
④ Inotungamira declination angle: Zvakakodzera kudzikisa inotungamira declination angle inogona kuvandudza kupisa kupisa mamiriro uye kuderedza avhareji tembiricha yenzvimbo yekugadzirisa.
2) Kuvandudza magadzirirwo emidziyo.
① Deredza huwandu hwemazino ekuchekesa mazino uye kuwedzera chip nzvimbo.Nekuda kwepurasitiki yakakura yezvinhu zvealuminium, iyo yekucheka deformation panguva yekugadziriswa yakakura, uye yakakura chip nzvimbo inodiwa.Nokudaro, radius yepasi pe chip groove inofanira kuva yakakura uye nhamba yemazino ekucheka kwekucheka inofanira kuva duku.
②Pedzisa kukuya mazino ebanga.Iko roughness kukosha kwekucheka kwekucheka kwezino rekucheka kunofanirwa kunge kuri pasi peRa = 0.4um.Usati washandisa banga idzva, unofanira kushandisa whetstone yakanaka kukuya zvishoma kumberi uye kumashure kwemazino ebanga nguva shoma kuti ubvise mabhero akasara uye mitsetse midiki ine mawere paunenge uchirodza mazino ebanga.Nenzira iyi, kwete chete kupisa kwekucheka kunogona kuderedzwa asiwo kutema deformation kuduku.
③Nyatsodzora chiyero chekupfeka chechishandiso.Mushure mokunge chimbo chacho chakapfekwa, kukosha kwepamusoro kweiyo workpiece kunowedzera, kupisa kwekucheka kunokwira, uye deformation ye workpiece inowedzera maererano.Naizvozvo, mukuwedzera pakusarudza chishandiso chine kunaka kupfeka kuramba, chiyero chekupfeka hachifanirwe kudarika 0.2mm, zvikasadaro mupendero wakavakwa unozoitika nyore.Paunenge uchicheka, tembiricha yeworkpiece haifanire kudarika 100 ° C kudzivirira deformation.
Anebon inonamatira pakutenda kwako kwe "Kugadzira mhinduro dzemhando yepamusoro uye kugadzira shamwari nevanhu vanobva kumativi ese enyika", Anebon inogara ichiisa kufarira kwevatengi kutanga nayo kuChina Mugadziri weChina aruminiyamu yekukanda chigadzirwa, milling aluminium ndiro, yakagadziridzwa aluminium diki. zvikamu cnc, nechishuwo chakanakisa uye kutendeka, vanoda kukupa iwe neakanakisa masevhisi uye kufambira mberi newe kuti uite ramangwana rakajeka rinoonekwa.
Yekutanga Factory China Extrusion Aluminium uye Profile Aluminium, Anebon ichanamatira kune "Hunhu kutanga,, kukwana nekusingaperi, vanhu-vanotungamirwa, tekinoroji innovation"business philosophy.Kushanda nesimba kuti urambe uchifambira mberi, hunyanzvi muindasitiri, ita zvese zvese kune yekutanga-kirasi bhizinesi.Isu tinoedza nepatinogona napo kuvaka iyo sainzi manejimendi modhi, kudzidza ruzivo rwakawanda rwehunyanzvi, kugadzira michina yekugadzira yepamusoro uye maitiro ekugadzira, kugadzira yekutanga-kufona mhando zvigadzirwa, mutengo unonzwisisika, mhando yepamusoro yebasa, kukurumidza kutumira, kukupa iwe kugadzira. kukosha kutsva.
Nguva yekutumira: Feb-13-2023