CNC machining Center inoda kuita zvinhu izvi nemazvo pakucheka simbi

Kutanga, kufamba kwekushandura uye nzvimbo yakaumbwa

Kushandura mafambiro: Mukuita kwekucheka, workpiece uye chigadziro chinofanira kutemwa kune imwe neimwe kuti ibvise simbi yakawandisa. 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 nyowani yekucheka layer inoramba ichiiswa mukufamba. Kudya kwekudya ndiko kufamba pamwe chete nechepamusoro pebasa rekushanda kuti riumbwe, rinogona kuenderera mberi kana kupindirana. Semuyenzaniso, iyo yakatwasuka lathe inoramba ichifamba panguva yekutenderera kwechishandiso chekushandura, uye kufamba kwechishandiso chekudyisa pamusoro pemupuranga wemusoro kunopindirana.

Iyo yepamusoro yakaumbwa pane workpiece: Panguva yekucheka, iyo yakashongedzwa pamusoro, iyo yakashongedzwa pamusoro, uye iyo inogadzirwa nemichina inoumbwa pane workpiece. A machined surface inzvimbo itsva yakaumbwa kubva pakubviswa kwesimbi yakawandisa. Musoro unogadzikwa zvinoreva nzvimbo inochekwa simbi. The machined surface is the surface is the turning edge of the turning tool iri kutenderedzwa.CNC machining chikamu

Main motion: yakananga kutema 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 rinonyanya kukosha.CNC inoshandura chikamu

 
Chechipiri, huwandu hwekucheka hwenzvimbo yekugadzira hunoreva kudzika kwekucheka, chiyero chekudya, uye kukurumidza kucheka.

(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. Kana roughing, kunze kwechipo chakasara, roughing allowance inofanira kudimburwa zvakanyanya sezvinobvira. Izvi hazvigone chete kuvimbisa chigadzirwa chekucheka kudzika, chiyero chekudya ƒ, uye yekucheka 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 rinogona kugamuchira data. Panyaya yemvumo yekuwandisa machining, kusakwana kuomarara kwehurongwa hwekugadzirisa, 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 yemvumo yose, uye kudzika kwekucheka kwechipiri chekupfuura kunofanira kuva kuduku kuwana nzira yekupedzisa-duku. 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 kutema kucheka kwekucheka pane dambudziko kana chill layer.

(2) Sarudzo yehuwandu hwekudyisa: iyo hama yekutamiswa kweiyo workpiece uye chishandiso munzira yekufambisa kwekudya, mumayuniti emamm pakuchinjana kana kudzoreredzwa kwechishandiso kana chishandiso. Mushure mekudzika kwekucheka kwakasarudzwa, chiyero chakakosha chekudya chinofanira kusarudzwa zvakanyanya sezvinobvira. Chiyero chekudya chinonzwisisika chinofanirwa kuve nechokwadi chekuti muchina 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 ndiko kunyanya kushata kwepamusoro.

(3) Kusarudzwa kwekumhanya kwekucheka: Kukurumidza kukurumidza kwepoindi pamudziyo wechishandiso chekucheka hukama nepamusoro kuti ishandiswe munzira huru inofamba panguva yekucheka; chikamu chiri m/min. Kana iyo yekucheka yakadzika αp uye chiyero chekudya ƒ inosarudzwa, iyo yakanyanya kucheka kukurumidza inosarudzwa zvichibva pane imwe, uye iyo nzira yekuvandudza yekucheka maitiro ndeyekumhanyisa machining.

 

Chechitatu, iyo roughness mechanical concept

Mumakanika , roughness inoreva matinji madiki 'micro-geometric zvivakwa, nhongonya, uye mipata pamusoro pemichina. Ndiyo imwe yematambudziko ekutsvaga kwekushandurwa. Kushata kwepamusoro kunowanzo kuumbwa nemaitiro ekugadzirisa anoshandiswa uye zvimwe zvinhu, senge kupokana pakati pechishandiso uye chikamu chepamusoro panguva yekugadziriswa, deformation yepurasitiki yesimbi yepasi panguva yekuparadzaniswa kwechip, uye yakakwirira-frequency vibration mukugadzirisa system. Nekuda kwemusiyano uripo pakati penzira yekugadzira uye zvinhu zvechishandiso, iyo nzvimbo ichagadziriswa inosiya mucherechedzo nemusiyano mukudzika, density, chimiro, uye magadzirirwo. Kushata kwepamusoro kune hukama zvakanyanya nemidziyo yemagetsi, kuramba kupfeka, simba rekuneta, kuomarara kwekubata, kuzununguka, uye ruzha rwemakiniki zvikamu. Iyo ine kukosha kwakakosha pahupenyu hwesevhisi zvigadzirwa uye kuvimbika.

 

Chechina, kumiririra kwakakasharara

Mushure mekunge chikamu chepamusoro chave chichigadzirwa, chinotaridzika uye chisina kuenzana. Surface roughness inoreva iyo microscopic geometric maficha ematinji madiki uye madiki enhongonya uye mipata pamusoro pechikamu chakagadzirwa, icho chinowanzoitika nenzira yekugadzirisa uye zvimwe zvinhu zvinotorwa. Basa repamusoro pechikamu rakasiyana, uye iyo inodiwa pamusoro roughness parameter kukosha kwakasiyanawo. Iyo yepamusoro roughness kodhi inotarwa pane chikamu chinodhirowa kuratidza maitiro epamusoro anofanira kuwanikwa mushure mekupedza pamusoro. 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 dzinonyanya kukosha dzepamusoro uye avhareji yehupamhi hwepakati shanu hwakakura hwemupata mukati meurefu hwesampling.

3, iyo yakakwirira kureba kweiyo contour Ry

Chinhambwe chiri pakati pemutsara wepamusoro-soro uye mutsetse wepasi peprofile pamusoro pehurefu hwesample.

Ra. inonyanya kushandiswa muindasitiri yekugadzira michina.

 

Chechishanu, Mhedzisiro yekukasharara pakuita kwechikamu

Hunhu hwepamusoro mushure mekugadzira iyo workpiece inobata zvakananga iyo workpiece yemuviri, kemikari, uye michina zvinhu. Basa rekushanda, kuvimbika, uye hupenyu hwebasa rebasa rekushanda rinotsamira pamhando yepamusoro yechikamu chepakati. Kazhinji, zvakakosha zvikamu zvakakosha 'pamusoro pemhando zvinodiwa zvakakwirira kupfuura zvikamu zvakajairwa nekuti zvikamu zvine kunaka kwepamusoro zvinovandudza zvakanyanya kupfeka, ngura, uye kuramba kuneta.

 

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