Ukugaya yindlela esetyenziswa kakhulu yokugqiba umphezulu wokutywina weevalvu kwinkqubo yokuvelisa. Ukugaya kungenza umphezulu wokutywina iivalvu ufumane ukuchaneka okuphezulu, uburhabaxa bemilo yejometri kunye noburhabaxa bomphezulu, kodwa akunakuphucula ukuchaneka kwendawo edibeneyo phakathi kwemiphezulu yomphezulu wokutywina. Ukuchaneka kobukhulu bomphezulu wokutywina iivalvu zomhlaba kudla ngokuba yi-0.001 ~ 0.003mm; ukuchaneka kwemilo yejometri (njengokungalingani) yi-0.001mm; uburhabaxa bomphezulu yi-0.1 ~ 0.008.
Umgaqo osisiseko wokutywina umphezulu wokugaya uquka iinkalo ezintlanu: inkqubo yokusila, intshukumo yokusila, isantya sokusila, uxinzelelo lokusila kunye nesibonelelo sokusila.
1. Inkqubo yokusila
Isixhobo sokusila kunye nomphezulu weringi yokutywina zidibene kakuhle, kwaye isixhobo sokusila senza iintshukumo ezintsonkothileyo zokusila kumphezulu odibeneyo. Ii-abrasives zifakwa phakathi kwesixhobo sokuncamathela kunye nomphezulu weringi yokutywina. Xa isixhobo sokuncamathela kunye nomphezulu weringi yokutywina zihamba ngokuhambelanayo, inxalenye yeenkozo ezikrazukileyo kwi-abrasives iya kutyibilika okanye iqengqeleke phakathi kwesixhobo sokuncamathela kunye nomphezulu weringi yokutywina. Iingcongolo kumphezulu weringi yokutywina ziqala zisuswe, kwaye emva koko i-geometry efunekayo ifezekiswa kancinci kancinci.
Ukusila akusiyo nje inkqubo yoomatshini yokusila kwiintsimbi, kodwa ikwayinkqubo yamakhemikhali. Igrisi ekusila inokwenza ifilimu ye-oxide kumphezulu ukuze icutshungulwe, ngaloo ndlela ikhawulezisa inkqubo yokusila.
2 . intshukumo yokusila
Xa isixhobo sokusila kunye nomphezulu weringi yokutywina zishukuma ngokumalunga, isimbuku seendlela zokutyibilika zenqaku ngalinye kumphezulu weringi yokutywina ukuya kwisixhobo sokutywina kufuneka zifane. Kwakhona, indlela yokuhamba ngokumalunga kufuneka itshintshe rhoqo. Utshintsho oluqhubekayo lwendlela yokuhamba luthintela ingqolowa nganye erhabaxa ukuba iphindaphinde indlela yayo kumphezulu weringi yokutywina, ukuze ingabangela iimpawu zokuguguleka ezicacileyo kwaye yonyuse uburhabaxa bomphezulu weringi yokutywina. Ukongeza, utshintsho oluqhubekayo lwendlela yokuhamba alunakwenza i-abrasive isasazwe ngokulinganayo, ukuze isinyithi kumphezulu weringi yokutywina sinqunyulwe ngokulinganayo.
Nangona intshukumo yokusila iyinkimbinkimbi kwaye indlela yokuhamba itshintsha kakhulu, intshukumo yokusila isoloko iqhutywa kumphezulu wokubopha wesixhobo sokusila kunye nomphezulu wendandatho yokutywina. Nokuba kukusila ngesandla okanye kukutshiza ngoomatshini, ukuchaneka kwesimo sejometri yomphezulu wendandatho yokutywina kuchaphazeleka kakhulu kukuchaneka kwesimo sejometri sesixhobo sokusila kunye nentshukumo yokusila.
3. isantya sokusila
Okukhona intshukumo yokusila ikhawuleza, kokukhona ukusila kusebenza kakuhle. Isantya sokusila siyakhawuleza, amasuntswana arhabaxa adlula kumphezulu wesixhobo somsebenzi ngexesha ngalinye, kwaye isinyithi esingaphezulu siyanqunyulwa.
Isantya sokusila sidla ngokuba yi-10 ~ 240m/min. Kwizinto zokusebenza ezifuna ukuchaneka okuphezulu kokusila, isantya sokusila ngokubanzi asidluli kwi-30m/min. Isantya sokusila somphezulu wokutywina wevalvu sinxulumene nezinto ezikumphezulu wokutywina. Isantya sokusila somphezulu wokutywina wethusi kunye nentsimbi ephosiweyo yi-10 ~ 45m/min; umphezulu wokutywina wentsimbi eqinileyo kunye ne-alloy eqinileyo yi-25 ~ 80m/min; umphezulu wokutywina wentsimbi engagqwaliyo ye-austenitic yi-10 ~ 25m/min.
4. uxinzelelo lokugaya
Ukusebenza kakuhle kokusila kuyanda ngokunyuka koxinzelelo lokusila, kwaye uxinzelelo lokusila akufuneki lube phezulu kakhulu, ngokubanzi yi-0.01-0.4MPa.
Xa usika umphezulu wokutywina wentsimbi ephosiweyo, ubhedu kunye nentsimbi engagqwaliyo ye-austenitic, uxinzelelo lokusila yi-0.1 ~ 0.3MPa; umphezulu wokutywina wentsimbi eqinileyo kunye ne-alloy eqinileyo yi-0.15 ~ 0.4MPa. Thatha ixabiso elikhulu lokusila okurhabaxa kunye nexabiso elincinci lokusila okucolekileyo.
5. Isibonelelo sokusila
Ekubeni ukugaywa kuyinkqubo yokugqiba, ubungakanani bokusika buncinci kakhulu. Ubungakanani besibonelelo sokugaywa buxhomekeke ekuchanekeni komatshini kunye noburhabaxa bomphezulu wenkqubo yangaphambili. Phantsi kwengcamango yokuqinisekisa ukususwa kweempawu zokucubungula zenkqubo yangaphambili kunye nokulungisa impazamo yejometri yeringi yokutywina, okukhona isibonelelo sokugaywa sincinci, kokukhona kungcono.
Umphezulu wokutywina kufuneka ucolwe kakuhle ngaphambi kokuba ucolwe. Emva kokucolwa kakuhle, umphezulu wokutywina ungadityaniswa ngqo, kwaye ubuncinane bokutywina bu: ububanzi buyi-0.008 ~ 0.020mm; umgangatho ophantsi yi-0.006 ~ 0.015mm. Thatha ixabiso elincinci xa ukuprinta ngesandla okanye ubunzima bezinto buphezulu, kwaye uthathe ixabiso elikhulu xa ukuprinta ngoomatshini okanye ubunzima bezinto buphantsi.
Umphezulu wokutywina womzimba wevalvu kulula ukuwugaya nokuwucubungula, ngoko ke ukujika kancinci kungasetyenziswa. Emva kokujika okugqityiweyo, umphezulu wokutywina kufuneka ube mdaka ngaphambi kokuba ugqitywe, kwaye i-plane allowance yi-0.012 ~ 0.050mm.
Ivalvu yokutywina amanzi yeTianjin tanggu Co., Ltd yacwangciswa kwimvelisoivalvu yebhabhathane ehleli phantsi eqinileyo, ivalvu yesango, Isihluzo se-Y, ivalvu yokulinganisela, ivalvu yokujonga i-wafer, njl. njl.
Ixesha lokuposa: Juni-25-2023
