I. Njira Yopangira Granite Straightedge
Kuwunika kwazinthu zopangira ndi kudula
Zosankha zopangira zinthu: Granite wapamwamba kwambiri wokhala ndi ≥2.7g/cm³ komanso kuchuluka kwa mayamwidwe amadzi <0.1% (monga "Jinan Green" waku Shandong ndi "Black Gold Sand" waku India) ayenera kusankhidwa. Ma mineral particles ayenera kukhala ofanana (quartz particles ≤2mm), opanda ming'alu ndi pores, ndipo miyala yobisika yobisika iyenera kuchotsedwa kudzera mu X-ray kuzindikira zolakwika.
Kudula movutikira: Gwiritsani ntchito macheka ozungulira a diamondi kuti mudule chopanda kanthu chomwe chili chokulirapo 5-10mm kuposa kukula kwake komwe kwamalizidwa. Cholakwika cha flatness chodula pamwamba chiyenera kuyendetsedwa mkati mwa ± 0.5mm.
2. Chithandizo cha ukalamba
Kukalamba Kwachilengedwe: Ikani thupi lobiriwira panja kwa miyezi 6 mpaka 12. Kupyolera mu kusiyana kwa kutentha pakati pa usana ndi usiku ndi kusintha kwa chinyezi, kupitirira 90% ya kupsyinjika kwamkati kumatulutsidwa kuti tipewe kusokonezeka pambuyo pake.
Ukalamba Wopanga (Zosankha) : Opanga ena amagwiritsa ntchito ng'anjo yotentha yokhazikika (100-150 ℃) kwa maola 24 kuti afulumizitse kutulutsa kupsinjika, komwe kuli koyenera kuyitanitsa mwachangu, koma zotsatira zake ndizotsika pang'ono kuposa kukalamba kwachilengedwe.
3. Woukali akupera ndi buku processing pamwamba
Kupera movutirapo ndi kupanga mawonekedwe: Gwiritsani ntchito gudumu la 200-400 mesh diamondi pogaya chopanda kanthu, chotsani mizere yodulira, konzani kuphwanyidwa kuchokera ku ± 0.5mm mpaka ± 0.1mm/m (100μm/m), ndikuzindikira malo ofotokozera.
Kuchiza kosagwira ntchito: Chamfer kapena valani mbali zam'mbali ndi zapansi (monga kupopera utoto wotsutsa dzimbiri) kuti mupewe kusweka kwa m'mphepete ndi kukulitsa kuyamwa kwa chinyezi.
4. Kupera kolondola (core process)
Kudumpha mwatsatanetsatane kumatheka kudzera mumphero wotsogola, womwe umagawidwa m'magawo atatu:
Akupera molimba: Gwiritsani ntchito 400-800 mauna abrasives (silicon carbide kapena diamondi yaying'ono-ufa) osakaniza ndi granite akupera nsanja kukonza flatness kwa ± 10μm/m, ndi pamwamba roughness Ra≤0.8μm.
Kupukuta mwatsatanetsatane: Mwa kusinthira ku 1200-2000 ma abrasives a mesh ndikuphatikizana ndi mlingo wamagetsi (zolondola ± 1μm / m) pofuna kuyang'anitsitsa nthawi yeniyeni, flatness yasinthidwa kukhala ± 3μm / m, ndipo pamwamba pa roughness Ra ndi ≤0.4μm.
Koposa-chabwino akupera (kiyi kwa mankhwala mkulu-mwatsatanetsatane) : Pogwiritsira ntchito W10-W5 kalasi yaying'ono ufa (tinthu kukula 5-10μm) ndi mankhwala kupukuta madzi, mwa zochita wapawiri "mawotchi akupera + mankhwala dzimbiri", flatness chomaliza akhoza kufika ± 1μm/m, ndi pamwamba roughness Ra≤0.2μm.
5. Kuzindikira molondola ndi kukonza
Zida zodziwira: Laser interferometer (kulondola ± 0.1μm) ndi mulingo wamagetsi (chisankho cha 0.001mm/m) amagwiritsidwa ntchito pozindikira kusalala ndi kuwongoka, ndikujambula mapu ogawa zolakwika.
Kuwongolera kotsekedwa: Kutengera deta yodziwikiratu, kugaya kowonjezera komweko kumachitika pamalo olakwika kwambiri kudzera pa makina a CNC akupera mpaka kulakwitsa kwakukulu kumayendetsedwa mkati mwazomwe mukufuna.
6. Chitetezo cha pamwamba ndi kulongedza
Chithandizo chodzitchinjiriza: Thirani utoto wa silika wa nano-mulingo (wokhuthala 5-10μm) pamalo ofotokozera, ndipo ikani sera yoletsa dzimbiri pamalo osagwira ntchito kuti musamayamwidwe kapena kutulutsa chinyezi mukamagwiritsa ntchito nthawi yayitali.
Kupaka mwatsatanetsatane: Imadzaza mumilandu yamatabwa yosasunthika yokhala ndi ma desiccants. Pa zoyendera, kusiyana kwa kutentha kumayendetsedwa mkati mwa ± 5 ℃ kuti apewe kutsetsereka kolondola komwe kumachitika chifukwa cha kugwedezeka.
Ii. Miyezo Yapamwamba Yapamwamba Kwambiri ndi Miyezo Yamakampani
Kulondola kwa granite straightedge kumatengera cholakwika cha flatness monga core index. Malinga ndi muyezo wadziko lonse (GB/T 4977-2018) ndi muyezo wapadziko lonse lapansi (ISO 2768-2), magiredi ake olondola ndi magawo ofananira ndi awa:
Ma laboratories apamwamba amatha kukwaniritsa zolondola kwambiri:
Kupyolera mu njira za nano-scale popera (monga magneorheological polishing ndi ion mtengo kusinthidwa), flatness ya mankhwala ena apamwamba amatha kuthyoledwa mpaka ± 0.5μm/m (ie, kulakwitsa kwa mita kutalika sikudutsa ma micrometer 0.5), kuyandikira malo owonetsera ndege. Amagwiritsidwa ntchito makamaka pazochitika zolondola kwambiri monga zamlengalenga ndi ma metrology.
Iii. Kuyerekezera Zinthu Zokhudza Kulondola
Chidule: Kulondola kwapamwamba kwa granite straightedge kumadalira kuwongolera kwathunthu kwa "zida zopangira zapamwamba + kukalamba kopitilira muyeso + kusanja + malo ovutirapo", pomwe njira yopera ndiyo maziko ake opambana mwatsatanetsatane. Ndi chitukuko chaukadaulo wa nanofabrication, kulondola kwake kukupita patsogolo pang'onopang'ono kupita ku gawo laling'ono la micron ndipo chakhala chida chosasinthika chofananira pantchito yopanga zapamwamba.
Nthawi yotumiza: May-19-2025