Amathebula okwenziwa kwegwadle aqinisa izinkundla zokusebenzela zamatshe ezinembayo—hhayi njengendawo yokusebenza engenzi lutho, kodwa njengezinkundla ezilinganiselwe lapho iqiniso lobukhulu lihlangabezana nokuziphatha okubonakalayo. Sibonile izitolo zilahlekelwa yi-12% yesivuno se-slab kusuka ku-table flex ngaphansi kwemithwalo ye-CNC gantry; abanye balahle imiphetho engu-3–4 ngosuku ngenxa yokuthi ukubanjwa kwe-vacuum kuhlulekile kubha engu-0.8. Lokhu akukhona ukubekezelelana kwethiyori. Kungukulahlekelwa kwansuku zonke okufakwe ezincwadini zokubhalela ezitolo e-Ohio, e-Ontario nase-Omsk.
Kungani I-Granite—Kungeyona Insimbi Noma Ukhonkolo—Iwina Ekwenziweni Kwamatshe
Amandla okucindezela e-Granite adlula ama-MPa angama-200. I-coefficient yayo yokwandisa okushisayo ihlala ku-0.000008/°C—ngaphansi kwengxenye ye-aluminium, ingxenye eyodwa kwezinhlanu kule yensimbi ethambile. Uma ibhuloho le-CNC lihamba ngo-1.2 m/s ngaphezu kwebanga lamamitha angu-3, ngisho no-0.02 mm wamashifu e-thermal drift asika ama-engeli angaphezu kuka-±0.15° ukubekezelelwa. Silinganise lokhu kusayithi: ukujika kwe-ambient okungu-30°C kubangele ukuchezuka okungu-0.07 mm kuthebula lensimbi eliwugqinsi ongu-40-mm—kodwa kuphela okungu-0.013 mm kusisekelo segwadle esingu-120-mm. Lowo mehluko uhlukanisa ukuphindaphinda konqenqema ekusebenzeni kabusha.
Amathebula eqiniso okwakhiwa kwegwadle asebenzisa amabhulokhi akhawiwe, aqeda ingcindezi—hhayi izinhlanganisela ze-polymer ezizenza njengetshe. Isakhiwo sokusanhlamvu kufanele sifane, kungabikho ama-micro-fractures awela indiza engaphezulu. Sihlola wonke ama-slab nge-ultrasonic pulse-echo ngaphambi komshini: ijubane lomsindo elingaphansi kuka-3,200 m/s libonisa i-voids yangaphakathi. Ama-slabs kuphela ashaya u-3,450–3,600 m/s enza uhlu lwethu lokugcina lokusika.
Ubuqotho be-vacuum bubaluleke ngaphezu kwamandla okumunca aluhlaza. Ithebula elilinganiselwe ngo-95 kPa alisho lutho uma i-geometry yesiteshi ivuza ngo-70 kPa. Iphrothokholi yethu yokuqinisekisa ikala izinga lokubola: ingcindezi kufanele ibambe ≥85 kPa imizuzu engu-10 ngemva kokuvala zonke izimbobo. Lokho ubuncane bokumelana ne-shear yangemuva ngesikhathi sokusebenzisana kwethuluzi ledayimane.
Izici Ezine Ezingaxoxiswana (Isekelwa Idatha Yenkundla)
Ngemva kokucwaninga izikhungo zokukhiqiza ezingu-47 kulo lonke elaseNyakatho Melika naseYurophu, sihlanganise izici ezine ezihlukanisa amatafula asebenzayo nezikweletu ezibizayo:
Ukubekezelela indawo yokuhlala ≤0.05 mm/m-kuqinisekiswe ngamaflethi optical kanye ne-interferometry, hhayi ama-straightedges Igridi ye-T-slot ehlanganisiwe enephimbo elingu-20-mm, ifakwe ngomshini ukuze ibe ±0.02 mm ukunemba kokuma Izindawo ze-vacuum ze-modular (ubuncane obungu-16 ngetafula le-3×2 m), ngalinye linamavalvu okuzihlukanisa azimele Ukuqiniswa kwesisindo esishisayo: ubuncane obungu-120 mm ukujiya kwamatafula angaphansi kuka-4 m ubude; 150 mm kumafomethi amakhulu Iklayenti elilodwa e-Wisconsin lishintshe ithebula likakhonkolo “eliyi-premium” eliqiniswe ngensimbi ngemva kwezinyanga eziyisithupha. Irutha yabo ye-CNC yaqala ukukhukhuleka phakathi nendawo. Ukuqondanisa kwe-laser kwembule i-0.18 mm i-sag yonkana ne-Y-eksisi—okubangelwa ukumuncwa komswakama okuvuvukala i-substrate. I-Granite isuse lokho kuguquguquka. Isivuno sabo seviki lokuqala sikhuphuke ngo-8.3%.
Ubuqotho Bezinto Ezithile Abukho Okuzikhethela—Kuyalinganiswa
I-Botou Haijun Metal Products Co., Ltd. ayiwakhiqizi amatafula egwadle. Kodwa sinikeza amasistimu angaphansi ensimbi abalulekile awenza asebenze: okufakwa ngomshini ngokunemba kwe-T-slot, ama-vacuum manifold ensimbi engagqwali, namafreyimu asekelayo agobile e-CNC aklanyelwe i-zero resonance ku-120 Hz—imvamisa evelele yamasaha amatshe amaningi.
Izingxenye zethu ziqinisekiswa ngezigaba ezintathu: ukuqinisekiswa kwempahla eluhlaza (imibiko yokuhlolwa komshini we-SS304/316L), ukuhlolwa kwe-CMM yangemuva komshini (±0.01 mm kuzo zonke izindawo ezitholakalayo), kanye nokuhamba ngebhayisikili kwe-vacuum okusebenzayo (imijikelezo engu-10,000 kungcindezi yokuhluka kwebha engu-1.2). Senqaba u-4.7% wamabhilidi angenayo ngokusekelwe ekuhlolweni okuqinile kuphela—ngoba amandla esivuno angaphansi kwama-MPa angama-520 abeka engcupheni ukuwohloka ngaphansi kokubopha imithwalo.
Abanye abakhi bafaka amatafula ngqo phansi kukakhonkolo. Umbono omubi. Sibhale ukudluliswa kokudlidliza kwaphansi okukhulisa ngo-18 Hz—okufana nemvamisa yemvelo yamasistimu amaningi we-gantry. Isincomo sethu? Zihlukanise ngamaphedi e-neoprene (ukuqina kwe-Shore A 60) futhi uqinisekise ukususwa <0.005 mm ukuphakama-kuya-peak usebenzisa i-laser Doppler vibrometry.
Ukukhetha Ithebula Lakho: Buza Le Mibuzo Emihlanu Ngaphambi Kokusayina
Ngaphambi koku-oda, buza umphakeli wakho:
Ungakwazi yini ukunikeza amamephu e-interferometric flatness-hhayi nje "ngaphakathi kwezimangalo"? Yiliphi izinga langempela lokubola kwe-vacuum zoni ngayinye, likalwa nge-ISO 10292 ngayinye? Ingabe iziteshi ze-T-slot CNC zenziwe ngomshini owodwa-noma zishiselwe futhi ziphansi? Ukuqinisekisa kanjani ukuzinza kwe-thermal? (Buza i-delta-T ngokumelene namagrafu okuchezuka kwendawo.) Iyiphi i-slab eqhubekayo ende kakhulu ecutshungulwe kulokhu kumiswa kwetafula ngqo-futhi kube yini ukubekezelelana konqenqemeni okuzuziwe? Sibone izingcaphuno zehla ngo-22% lapho abathengi befuna idatha yangempela esikhundleni sezincwajana. Umsabalalisi othile waseYurophu washintsha abahlinzeki ngemva kokuthola ithebula labo “lokunemba” lasebenzisa izinqamuleli zenkwali esindisiwe—ezibonakala njengamaphethini okusanhlamvu angahambisani ngaphansi kokuhlolwa kwe-100-lux LED.
Amathebula okwenziwa kwe-granite awathuthukisi ukusika-akunika amandla. Baguqula ikhodi ye-CNC ibe iqiniso elibonakalayo. Uma umsebenzi wakho olandelayo ufuna ukufana konqenqema okungu-±0.05 mm ku-quartzite engu-3 cm, qala ngeplathifomu ebamba inganyakazi ngenkathi yonke enye into ihamba. Leyo nkundla iqala nge-granite, ukucaba okuqinisekisiwe, nobuqotho be-vacuum ongayikala—ungacabangi. Ukuthola imibhalo yobuchwepheshe kuzingxenyekazi zekhompuyutha ezihambisanayo nezicaciso zesixhumi esingenalutho, vakashela https://www.haijunmetals.com.
