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Kwiimeko eziphezulu zokuchaneka kwe-picosecond-level laser marking machines, isiseko, njengenxalenye ephambili yokuxhasa izixhobo, ukukhethwa kwayo kwezinto eziphathekayo kubeka ngokuthe ngqo ukuzinza kokuchaneka kokucubungula. Igranite kunye nentsimbi etyhidiweyo zizinto ezimbini eziqhelekileyo zokwenziwa kwesiseko. Eli nqaku liza kuqhuba uthelekiso oluvela kwimiba efana neepropati zomzimba, umgaqo wokunciphisa ngokuchanekileyo, kunye nedatha yesicelo esisebenzayo, ukubonelela ngesiseko sesayensi sokuphucula izixhobo.
I. Iiyantlukwano zeMpahla yeMathiriyeli: Ingqiqo ePhambili yokuSebenza okuchanekileyo
I-Granite lilitye lendalo elivuthayo, elenziwe yikristale esondeleyo yeeminerali ezifana ne-quartz kunye ne-feldspar ngaphakathi. Ibonakaliswa ngesakhiwo esixineneyo kunye nobunzima obuphezulu. Ubuninzi bayo ngokuqhelekileyo buphakathi kwe-2.7 kunye ne-3.1g / cm³, kwaye i-coefficient yayo yokwandiswa kwe-thermal iphantsi kakhulu, malunga (4-8) × 10⁻⁶/℃, enokuthi ixhathise ngokufanelekileyo impembelelo yokutshintsha kweqondo lokushisa ekuchanekeni kwesixhobo. Ukongeza, i-microstructure ekhethekileyo ye-granite iyinika umsebenzi obalaseleyo wokudambisa, okwenza ukuba ikwazi ukufunxa ngokukhawuleza amandla okungcangcazela angaphandle kunye nokunciphisa ukuphazamiseka kokungcangcazela ekuqhubeni ukuchaneka.
Intsimbi yokuphosa, njengemathiriyeli yemveli yoshishino, inoxinano olumalunga ne-7.86g/cm³, amandla acinezelayo aphezulu, kodwa ishushu.
Inombolo yokwandisa (malunga ne-12×10⁻⁶/℃) yi-1.5-3 amaxesha egranite. Ngaphezu koko, kukho izakhiwo ze-flake zegraphite ngaphakathi kwentsimbi etyhidiweyo. Ngethuba lokusetyenziswa kwexesha elide, ezi zakhiwo zingakhokelela ekugxininiseni uxinzelelo, okuchaphazela ukuzinza kwezinto kwaye emva koko kubangele ukuhla ngokuchanekileyo.
Ii. I-Precision Attenuation Mechanism kwi-Picosecond-level Machining
Ukusetyenzwa kwe-laser yenqanaba lePicosecond kuneemfuno eziphezulu kakhulu zozinzo lokusingqongileyo. Nayiphi na i-deformation encinci yezinto ezisisiseko ziya kwandiswa kwisiphumo sokucubungula. Ukutshintsha kobushushu, ukungcangcazela okuveliswa kukusebenza kwesixhobo, ukudinwa phantsi komthwalo wexesha elide, njl.njl., zizo zonke izinto eziphambili ezikhokelela ekunciphiseni ukuchaneka.
Xa iqondo lokushisa litshintsha, ubukhulu begranite butshintsha kancinci ngenxa ye-coefficient ephantsi yokwandiswa kwe-thermal. I-coefficient yokwandiswa kwe-thermal enkulu yentsimbi etyhidiweyo iya kubangela ukuba isiseko singene kwi-deformation enzima ukuyibona ngeso lenyama. Le deformation iya kuchaphazela ngokuthe ngqo ukuzinza kwendlela ye-laser optical kwaye ibangele ukuba indawo yokumakisha itshintshe. Ngokubhekiselele kwi-vibration, uphawu oluphezulu lwe-granite lunokunciphisa ukungcangcazela kwe-100Hz ngaphakathi kwemizuzwana eyi-0.12, ngelixa i-iron cast ifuna imizuzwana eyi-0.9. Ngaphantsi kweemeko ze-vibration ze-high-frequency, ukuchaneka kokulungiswa kwezixhobo kunye neziseko zetsimbi ezityhidiweyo zixhomekeke kakhulu ekuguquguqukeni.
Iii. Ukuthelekiswa kweDatha yokuNcitshiswa kweNkcazo
Ngokweemvavanyo zamaziko eengcali, ngexesha eliqhubekayo le-8-hour picosecond laser marking operation, ukuthotywa kwe-XY-axis yokuchaneka kokuchaneka kwesixhobo esinesiseko segranite singaphakathi kwe-± 0.5μm. Ukuthotywa ngokuchanekileyo kwezixhobo zesiseko sentsimbi kufikelela kwi-± 3μm, kunye nomahluko omkhulu. Kwimeko yokulinganisa kunye nokutshintsha kweqondo lokushisa kwe-5 ℃, impazamo ye-thermal deformation yezixhobo zesiseko se-granite kuphela + 0.8μm, ngelixa i-cast iron base iphezulu kwi-12μm.
Ngaphezu koko, ukusuka kumbono wokusetyenziswa kwexesha elide, izinga lokugwetywa kakubi kweziseko ze-granite kuphela yi-0.03%, ngelixa izinga lokugwetywa kwe-cast iron bases liphezulu njenge-0.5% ngenxa yemicimbi yokuzinza kwesakhiwo. Ezi datha zibonisa ngokupheleleyo ukuba phantsi kweemfuno ezichanekileyo eziphezulu ze-piccosecond-level processing, inzuzo yokuzinza kwesiseko segranite ibalulekile.
Iv. Iingcebiso zoPhuculo kunye nezicelo eziSebenzayo
Kumashishini alandela ukuchaneka kokugqibela, ukuphuculwa kwesiseko sentsimbi kwisiseko segranite yindlela esebenzayo yokuphucula ukusebenza kwezixhobo. Ngethuba lenkqubo yokuphucula, ingqalelo kufuneka ihlawulwe ekuchanekeni kokulungiswa kwesiseko segranite ukuze kuqinisekiswe ukuba i-flatness yomhlaba ihlangabezana neemfuno zokuyila. Kwangaxeshanye, ngokudibanisa nezixhobo ezincedisayo ezifana ne-air flotation vibration isolation system, ukusebenza kwe-anti-vibration kwezixhobo kunokwandiswa ngakumbi.
Okwangoku, kumashishini afana ne-semiconductor chip kunye nokuchaneka kwe-optical component processing, oomatshini bokuphawula nge-laser abaneziseko zegranite bamkelwe ngokubanzi, baphucula ngokufanelekileyo isivuno semveliso kunye nokusebenza kakuhle kwemveliso. Umzekelo, emva kokuba umenzi wecandelo elithile lamehlo ephucule izixhobo ezisisiseko sentsimbi, izinga lokufaneleka kwemveliso linyuke ukusuka kwi-82% ukuya kwi-97%, kwaye ukusebenza kakuhle kwemveliso kuye kwaphuculwa kakhulu.
Ukuqukumbela, ekuphuculweni kwesiseko se-picosecond-level laser marking machines, i-granite, kunye nokuzinza kwayo okumangalisayo kwe-thermal, ukusebenza okuphezulu kwe-damping kunye nokukwazi ukugcinwa ngokuchanekileyo kwexesha elide, ibe yinto efanelekileyo yokuzikhethela ngaphezu kwesinyithi. Amashishini anokukhetha ngokufanelekileyo imathiriyeli esisiseko ngokusekwe kwiimfuno zabo zokusetyenzwa kunye nohlahlo lwabiwo-mali ukuze bafezekise uphuculo olubanzi lwezixhobo zokusebenza.
Ixesha lokuposa: May-19-2025