Zingaphi iintlobo zemichiza yesipili ezikhoyo kwi-CNC machining nakwintsimi yesicelo esisebenzayo?
Ukujika:Le nkqubo ibandakanya ukujikeleza i-workpiece kwi-lathe ngelixa isixhobo sokusika sisusa izinto zokwenza i-cylindrical shape. Ngokuqhelekileyo isetyenziselwa ukudala amacandelo e-cylindrical afana ne-shafts, izikhonkwane, kunye ne-bushings.
Ukugaya:Ukugaya yinkqubo apho isixhobo sokusika esijikelezayo sisusa imathiriyeli kwindawo yokusebenza emileyo ukwenza iimilo ezahlukeneyo, ezinje ngomphezulu osicaba, iindawo zokubeka, kunye neekhontolo ezintsonkothileyo ze-3D. Obu buchule busetyenziswa kakhulu ekwenzeni amacandelo kumashishini afana ne-aerospace, izithuthi, kunye nezixhobo zonyango.
Ukusila:Ukusila kubandakanya ukusetyenziswa kwevili elirhabaxa ukuphelisa izinto eziphathekayo kwi-workpiece. Le nkqubo iphumela ekugqityweni komphezulu ogudileyo kwaye iqinisekisa ukuchaneka kwe-dimensional echanekileyo. Ngokuqhelekileyo isetyenziselwa ukuveliswa kwezinto ezichanekileyo ezifana neebheringi, iigiya kunye nezixhobo zokusebenza.
Ukugrumba:Ukugaya yinkqubo yokudala imingxuma kwindawo yokusebenza ngokusebenzisa isixhobo sokusika esijikelezayo. Isetyenziswa kwizicelo ezahlukeneyo, kubandakanywa ukuveliswa kweebhloko ze-injini, izixhobo ze-aerospace, kunye neendawo ezivaliweyo zombane.
Ukukhutshwa koMbane (EDM):I-EDM isebenzisa ukukhutshwa kombane ukuphelisa izinto ezivela kwi-workpiece, eyenza ukuveliswa kweemilo eziyinkimbinkimbi kunye neempawu ngokuchanekileyo okuphezulu. Idla ngokusetyenziswa xa kusenziwa isitofu sokungunda, ukufa kwe-die-casting, kunye nezixhobo ze-aerospace.
Ukusetyenziswa okusebenzayo komatshini wesipili kwi-CNC machining yahlukile. Ibandakanya ukuveliswa kwamacandelo kumashishini ahlukeneyo afana ne-aerospace, izithuthi, izixhobo zonyango, i-electronics, kunye nempahla yabathengi. Ezi nkqubo zisetyenziselwa ukudala uluhlu olubanzi lwamacandelo, ukusuka kwii-shafts ezilula kunye nezibiyeli ukuya kwizinto eziyinkimbinkimbi ze-aerospace kunye nokufakelwa kwezonyango.
Ukucutshungulwa kwesibuko kubhekiselele kwinto yokuba umphezulu ocwangcisiweyo ungabonakalisa umfanekiso njengesibuko. Eli nqanaba liphumelele umgangatho olungileyo kakhulu womphezulu weiindawo zomatshini. Ukusetyenzwa kweMirror akunakudala kuphela inkangeleko ekumgangatho ophezulu wemveliso kodwa nokunciphisa isiphumo senotshi kunye nokwandisa ubomi bokudinwa kwesixhobo sokusebenza. Kubaluleke kakhulu kwiindibano ezininzi kunye nezakhiwo zokutywina. Itekhnoloji yokulungisa isibuko sokupholisha isetyenziswa ikakhulu ukunciphisa uburhabaxa bomphezulu we-workpiece. Xa indlela yenkqubo yokupolisha ikhethwa kwi-workpiece yensimbi, iindlela ezahlukeneyo zingakhethwa ngokweemfuno ezahlukeneyo. Ezi zilandelayo ziindlela ezininzi eziqhelekileyo zokupholisha iteknoloji yokulungisa isipili.
1. I-polish yomatshini yindlela yokupholisa ebandakanya ukusika kunye nokuguqulwa kwendawo yezinto eziphathekayo ukususa ukungafezeki kunye nokufumana indawo epholileyo. Le ndlela ibandakanya ukusebenzisa izixhobo ezinje ngemigca yamatye yeoli, amavili oboya, kunye nephepha lesanti ukuze usebenze ngesandla. Kumalungu akhethekileyo afana nomphezulu wemizimba ejikelezayo, izixhobo ezincedisayo ezifana nee-turntables zinokusetyenziswa. Xa umgangatho womphezulu uphezulu kufuneka, iindlela zokusila ezicolekileyo kakhulu kunye neendlela zokupolisha zingasetyenziswa. Ukusila ngokugqwesileyo kunye nokupholisha kubandakanya ukusebenzisa ii-abrasives ezikhethekileyo kulwelo olunee-abrasives, lucinezelwe kwi-workpiece ye-high-speed rotary motion. Ukusebenzisa obu buchule, uburhabaxa bomphezulu beRa0.008μm bunokufikelelwa, buyenze ibe yeyona iphakamileyo phakathi kweendlela ezahlukeneyo zokupolisha. Le ndlela isoloko isetyenziswa kwi-optical lens molds.
2. I-Chemical polishing yinkqubo esetyenziselwa ukunyibilikisa ii-convex ze-microscopic ze-surface ye-material medium medium yekhemikhali, ezishiya iindawo ze-concave zingachukunyiswa kwaye zibangele umphezulu ogudileyo. Le ndlela ayifuni izixhobo ezintsonkothileyo kwaye iyakwazi ukupolisha izixhobo zokusebenza ezineemilo ezintsonkothileyo ngelixa zisebenza ngokufanelekileyo ukupolisha imisebenzi emininzi ngaxeshanye. Umceli mngeni ophambili kwimichiza yokupolisha kukulungiselela i-slurry yokupholisha. Ngokuqhelekileyo, uburhabaxa bomphezulu obuphunyezwa ngokugudiswa kweekhemikhali bujikeleze i-micrometer ezilishumi.
3. Umgaqo osisiseko we-electrolytic polishing ufana ne-chemical polishing. Kubandakanya ukunyibilikisa ngokukhetha iindawo ezincinci ezivelelayo zomphezulu wemathiriyeli ukuze ugudise. Ngokungafaniyo nokupolisha kweekhemikhali, ukupolisha kwe-electrolytic kunokuphelisa umphumo wokuphendula kwe-cathodic kwaye kunikeze umphumo ongcono. Inkqubo ye-electrochemical polishing inamanyathelo amabini: (1) ukulinganisa kwe-macroscopic, apho imveliso echithwayo isasazeka kwi-electrolyte, iyancipha i-geometric roughness of the surface material, kunye noRa uba mkhulu kune-1μm; kunye (2) i-micropolishing, apho ubuso buthe tyaba, i-anode i-polarized, kwaye ukukhanya komphezulu kwanda, kunye ne-Ra ibe ngaphantsi kwe-1μm.
4. I-Ultrasonic polishing ibandakanya ukubeka i-workpiece kwi-suspension e-abrasive kunye nokuyibeka phantsi kwamaza e-ultrasonic. Amaza abangela ukuba i-abrasive igube kwaye igulise umphezulu weiindawo zecnc zesiko. I-Ultrasonic machining isebenzisa amandla amancinci ama-macroscopic, okuthintela ukuguqulwa komsebenzi, kodwa kunokuba ngumngeni ukudala kunye nokufaka izixhobo eziyimfuneko. I-ultrasonic machining inokudibaniswa kunye neendlela zeekhemikhali okanye ze-electrochemical. Ukufaka i-vibration ye-ultrasonic ukuvuselela izixhobo zokusombulula ukukhupha iimveliso ezinyibilikisiweyo ukusuka kumphezulu womsebenzi. Impembelelo ye-cavitation yamaza e-ultrasonic kwi-liquids nayo inceda ukuvimbela inkqubo ye-corrosion kwaye iququzelele ukukhanya komhlaba.
5. I-Fluid polishing isebenzisa ulwelo olubaleka ngesantya esiphezulu kunye namasuntswana abrasive ukuhlamba umphezulu wesixhobo sokusebenza ukuze upolishwe. Iindlela eziqhelekileyo ziquka i-abrasive jetting, i-liquid jetting, kunye ne-hydrodynamic grinding. Ukusila ngeHydrodynamic kuqhutywa ngoxinzelelo lwehydraulic, nto leyo ebangela ukuba ulwelo oluphakathi oluthwele amasuntswana abrasive ashukume abuyele emva naphambili kumphezulu womsebenzi ngesantya esiphezulu. I-medium ubukhulu becala yenziwe ngamacandelo akhethekileyo (izinto ezinjenge-polymer) ezihamba kakuhle kwiingcinezelo eziphantsi, ezixutywe kunye ne-abrasives ezifana ne-silicon carbide powders.
6. Ukupholishwa kwesibuko, okwakwaziwa ngokuba sisibuko, ukugawula imagnethi, kunye nokupholisha, kubandakanya ukusetyenziswa kwezibonda zemagnethi ukwenza iibhrashi ezirhabaxa ngoncedo lwemagnethi yokusila kunye nokucubungula izixhobo zokusebenza. Le ndlela ibonelela ngokucokisekileyo okuphezulu, umgangatho olungileyo, ulawulo olulula lweemeko zokusetyenzwa, kunye neemeko ezifanelekileyo zokusebenza.
Xa i-abrasives efanelekileyo isetyenziswa, uburhabaxa bomphezulu bunokufikelela kwi-Ra 0.1μm. Kubalulekile ukuqaphela ukuba ekusetyenzweni komngundo weplastiki, ingqikelelo yokupolisha yahluke kakhulu kwiimfuno zokugudisa umphezulu kwamanye amashishini. Ngokukodwa, ukupolisha kokungunda kufuneka kubhekiselwe kuko njengokugqitywa kwesipili, okubeka iimfuno eziphezulu kungekuphela nje kwinkqubo yokupolisha ngokwayo kodwa nakwisicaba somphezulu, ukuguda, kunye nokuchaneka kwejometri.
Ngokwahlukileyo, ukupolishwa komphezulu kufuna kuphela umphezulu omenyezelayo. Umgangatho wokwenziwa kwesipili wahlulwe ngamanqanaba amane: AO=Ra 0.008μm, A1=Ra 0.016μm, A3=Ra 0.032μm, A4=Ra 0.063μm. Kuba iindlela ezifana nokupholishwa kwe-electrolytic, ukugulisa ulwelo, kunye nezinye ziyasokola ukulawula ngokuchanekileyo ukuchaneka kwejometri yeCNC milling iinxalenye, kunye nomgangatho ongaphezulu wokupolisha kweekhemikhali, ukupholisa nge-ultrasonic, ukugawula kwamagnetic kunye nokupholisa, kunye neendlela ezifanayo zingenakuhlangabezana neemfuno, ukulungiswa kwesibuko sokubumba okuchanekileyo kuxhomekeke kakhulu kwi-polishing mechanical.
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Ixesha lokuposa: Aug-28-2024