CNC machining Center inoda kuita zvinhu izvi nemazvo pakucheka simbi

Kutanga, kufamba kwekushandura uye nzvimbo yakaumbwa

Kushandura kufamba: Muchigadziro chekucheka, kuitira kuti ubvise simbi yakawandisa, workpiece uye chigadziro chinofanira kutemwa kune imwe neimwe. Kufamba kwesimbi yakawandisa pane workpiece nechishandiso chekushandura pa lathe kunonzi kutendeuka motion, iyo inogona kukamurwa kuita main movement uye kufambira mberi. Ipa kurovedza muviri.

Feed motion: Iyo itsva yekucheka layer inoramba ichiiswa mukucheka kufamba. Iyo yekudyisa mafambiro inofamba pamwe nepamusoro peiyo workpiece kuti iumbwe, iyo inogona kuenderera inofamba kana kufamba kwepakati. Semuyenzaniso, horizontal lathe iri kuramba ichifamba panguva yekufamba kwechishandiso chekutendeuka, uye kufambisa kwekudya kweworkpiece pane head planer ndiko kufamba kunopindirana.

Surface yakaumbwa pane workpiece: Panguva yekucheka, iyo yakashongedzwa pamusoro, iyo yakashongedzwa pamusoro uye pamusoro pekuti igadziriswe inoumbwa pane workpiece. A machined surface inzvimbo itsva yakaumbwa nekubviswa kwesimbi yakawandisa. Musoro uchaitwa (surface) zvinoreva nzvimbo panochekwa simbi. The machined surface is the surface is the turning edge of the turning tool iri kutenderedzwa.cnc machining chikamu

Main motion: yakananga kugura kucheka kwekucheka pane workpiece uye kuishandura kuva machipisi, nokudaro kuumba kufamba kwenzvimbo itsva ye workpiece, inonzi main motion. Paunenge uchicheka, kutenderera kutenderera kweworkpiece ndiko kufamba kukuru. Kazhinji, kukurumidza kwekufambisa kukuru kwakakwirira, uye simba rekucheka rinopedzwa rakakura.cnc kutendeuka chikamu

 
Chechipiri, iyo machining centre yekucheka huwandu inoreva kudzika kwekucheka, chiyero chekudya uye kukurumidza kucheka.cnc milling chikamu

(1) Kucheka kudzika: ap = (dw - dm) / 2 (mm) dw = dhayamita yeasina machini workpiece dm = dhayamita yemuchina wakagadzirwa workpiece, kudzika kwekucheka ndiko kwatinowanzo kudana kuwanda kwebanga.

Sarudzo yekucheka kudzika: Iyo yekucheka kudzika αp inofanirwa kutemerwa zvinoenderana neiyo machining mvumo. Paunenge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge kuchikwasha, kunze kwechipo chakasara, roughing allowance inofanira kugurwa zvakanyanya sezvinobvira. Izvi hazvigone chete kuvimbisa chigadzirwa chekucheka kudzika, chiyero chekudya ƒ, kucheka kumhanya V yakakura pasi pechimiro chekuona imwe nhanho yekusimba, asi zvakare inogona kuderedza huwandu hwekupfuura, uye kuda kudzidza UG nhamba yekudzora hurongwa muQQ boka. 304214709 inogona kugamuchira data. Munyaya yemvumo yekuwandisa machining kana kusakwana kuomarara kweiyo process system kana kusakwana kwesimba reblade, inofanirwa kukamurwa kuita maviri kana anopfuura anopfuura. Panguva ino, kudzika kwekucheka kwekupfuura kwekutanga kunofanira kutorwa kwakakura, iyo inogona kuverenga 2/3 kusvika 3/4 yemubhadharo wose; uye kudzika kwekucheka kwechipiri chekupfuura kuduku kuti uwane nzira yekupedzisa. Diki pamusoro roughness parameter kukosha uye yakakwirira machining kunyatsoita.

Kana pamusoro pechikamu chekucheka chine zvinhu zvakaoma-zvakaoma zvakadai sekukanda, kuumbwa kana simbi isina tsvina, kudzika kwekucheka kunofanira kudarika kuoma kana chill layer kuti urege kucheka chidimbu chekucheka pamucheka wakaoma kana kutonhora.

(2) Sarudzo yehuwandu hwekudyisa: iyo hama yekutamiswa kweiyo workpiece uye chishandiso munzira yekufambisa kwekudya, muzvikamu zvemm, pakuchinjana kana kudzoreredzwa kwechishandiso kana chishandiso. Mushure mekudzika kwekucheka kwakasarudzwa, chiyero chikuru chekudya chinofanira kusarudzwa zvakanyanya sezvinobvira. Kusarudzwa kwekukosha kwakakosha kweyero yekudya kunofanirwa kuve nechokwadi kuti chishandiso chemuchina uye chishandiso hachikuvadzwe nechisimba chakawandisa chekucheka. Kutsauka kwechishandiso chinokonzerwa nechisimba chekucheka hachipfuuri kukosha kunobvumirwa kweiyo workpiece yakarurama, uye iyo yepamusoro roughness parameter value haisi yakakura. Kana roughing, muganhu wechikafu chinonyanya kutema simba. Kana semi-kupedza uye kupedzisa, muganho wekudya ndiwo kunyanya kushata kwepamusoro.

(3) Kusarudzwa kwekucheka kukurumidza: Kukurumidza kukurumidza kwechidimbu pamucheto wekucheka kwechigadzirwa chinoenderana nechepamusoro kuti chigadzirwe mumutambo mukuru wekufambisa panguva yekucheka, chikwata chiri m / min. Kana iyo yekucheka yakadzika αp uye chiyero chekudya ƒ inosarudzwa, iyo yakanyanya kucheka kukurumidza inosarudzwa pane hwaro hwevamwe, uye kufambiswa kwekutungamira kweiyo nzira yekucheka ndeyekumhanya-mhanya machining.

 

 

Chechitatu, roughness mechanical concept

Mumakanika , roughness inoreva ma micro-geometric ezvimiro zvemapanji madiki nenhongonya nemipata pamusoro pemichina. Ndiyo imwe yematambudziko ekutsvaga kwekushandurwa. Kushata kwepamusoro kunowanzo kuumbwa nemaitiro ekugadzirisa anoshandiswa uye zvimwe zvinhu, senge kupokana pakati pechishandiso nepamusoro pechikamu panguva yekugadziriswa, deformation yepurasitiki yesimbi yepasi panguva yekuparadzaniswa kwechip, uye yakakwirira frequency vibration muhurongwa hwekuita. Pamusana pemusiyano pakati penzira yekugadzira uye zvinhu zvebasa rekushanda, nzvimbo inogadziriswa inosiya mucherechedzo nemusiyano mukudzika, density, chimiro uye chimiro. Kushata kwepamusoro kune hukama nehukama hwemagetsi, kupfeka kuramba, simba rekuneta, kuomarara kwekubata, kuzununguka uye ruzha rwemakina zvikamu, uye zvine chekuita nehupenyu hwesevhisi uye kuvimbika kwezvigadzirwa zvemichina.

 

 

Chechina, roughness inomiririra

Mushure mokunge chikamu chechikamu chacho chave chichigadzirwa, chinotaridzika chaizvo uye chisina kuenzana kana chichionekwa. Surface roughness inoreva ma microscopic geometric maficha ematinji madiki uye tunhongonya uye mipata iri pamusoro pechikamu chakagadzirwa, icho chinowanzo umbwa nenzira yekugadzirisa uye / kana zvimwe zvinhu zvinotorwa. Basa repamusoro pechikamu rakasiyana, uye iyo inodiwa pamusoro roughness parameter kukosha kwakasiyanawo. Iyo yekumusoro roughness kodhi inomisikidzwa pachikamu chekudhirowa kuratidza maitiro epamusoro anofanirwa kuwanikwa mushure mekupedzwa kwepamusoro. Kune marudzi matatu epamusoro roughness urefu parameters:

1. Outline arithmetic kureva kutsauka Ra

Zvinoreva masvomhu zvechinhambwe chakakwana pakati pepoindi pacontour pamwe negwara rekuyera (Y direction) uye mutsara wereferensi pamusoro peurefu hwemuenzaniso.

2, micro kusaenzana 10 mapoinzi kureba Rz

Zvinoreva huwandu hweavhareji yenzvimbo shanu dzepamusoro-soro dzecontour uye avhareji yekudzika shanu kukuru kwemupata wemupata mukati meurefu hwesampling.

3, iyo yakakwirira kureba kweiyo contour Ry

Chinhambwe chiri pakati pemutsetse wepamusoro-soro uye wepasi peiyo profil pamusoro pehurefu hwesample.

Panguva ino, Ra. inonyanya kushandiswa muindasitiri yekugadzira michina.

 

 

Chechishanu, Mhedzisiro yekukasharara pakuita kwechikamu

Hunhu hwepamusoro mushure mekugadzirisa kwechishandiso chinokanganisa zvakananga chimiro chemuviri, chemikemikari uye michina yebasa rekushanda. Basa rekushanda, kuvimbika uye hupenyu hwebasa rebasa rekushanda hunoenderana nehupamhi hwepamusoro hwepamusoro pechikamu chikuru. Kazhinji, zvinodiwa zvemhando yepamusoro zvezvikamu zvakakosha kana zvakakosha zvakakwirira pane izvo zvezvikamu zvakajairwa, nekuti zvikamu zvine kunaka kwepamusoro soro zvinovandudza zvakanyanya kusagadzika kwavo kupfeka, corrosion resistance uye kuneta kuramba.

 

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