Kodi Pali Kusiyana Kotani Pakati pa Grade A ndi Grade B Granite Surface Plates?

Ma plates apamwamba a granite ndi zida zofunika kwambiri pakuyezera bwino komanso kupanga, koma si mbale zonse zomwe zimapangidwa mofanana. Ma plates apamwamba a granite a Giredi A ndi Grade B amasiyana kwambiri malinga ndi kulondola, kutsirizika kwa pamwamba, momwe amagwiritsira ntchito, komanso mtengo wake. Kumvetsetsa kusiyanitsa kumeneku kumathandiza mafakitale kusankha njira yoyenera kwambiri pazosowa zawo.

Kulekerera kwa Flatness: Chiyambi cha Kulondola
Kulekerera kwa flatness ndiko kusiyanitsa kwakukulu pakati pa magulu awiriwa. Malinga ndi muyezo wa American Society of Mechanical Engineers (ASME) B89.3.7, mbale za Gulu A zimapereka zolondola kwambiri. Mwachitsanzo, pa mbale ya 12" x 12", Gulu A nthawi zambiri imakhala yolekerera ± 0.00008 mainchesi, kuonetsetsa kuti pamakhala malo athyathyathya. Mosiyana ndi izi, mbale za Gulu B zimakhala ndi zolekerera, zozungulira ± 0.00012 mainchesi a kukula komweko. Kusiyanaku kumapangitsa Giredi A kukhala yabwino pamapulogalamu omwe amafunikira kulondola kwambiri, monga kulinganiza zida zoyezera malekezero apamwamba, pomwe Gulu B ndi lokwanira pa ntchito zowunikira pafupipafupi pamisonkhano.
Kuvuta Pamwamba: Kukhudza Kuyeza
Kukula kwapamtunda kumasiyananso pakati pa magiredi. Mambale a Gulu A amakumana ndi njira zambiri zopukutira ndi kupukuta, zomwe zimapangitsa kuti pakhale malo osalala okhala ndi roughness avareji (Ra) nthawi zambiri pansi pa mainchesi 0.0005. Kutsirizira kosalala kumeneku kumachepetsa kukangana komanso kumalepheretsa kukanda pazinthu zosalimba pakuyeza. Ma mbale a Gulu B, okhala ndi mtengo wa Ra pafupifupi mainchesi 0.001, ndi okulirapo. Ngakhale amathabe kuchita ntchito zoyezera, mwina sizoyenera kunyamula zida zovutirapo.
Zochitika Zogwiritsira Ntchito: Zogwirizana ndi Zofunikira
Kusankha pakati pa Grade A ndi Grade B kumadalira kwambiri ntchito. Pakupanga zakuthambo ndi semiconductor, komwe kulondola kwa ma micrometer - ndikofunikira, mbale za Gulu A zimakondedwa. Mwachitsanzo, poyeza kusalala kwa tsamba la turbine kapena mayalidwe a ma microchips, ngakhale kupatuka pang'ono kumatha kusokoneza magwiridwe antchito. Mambale a Gulu B, komabe, amagwiritsidwa ntchito kwambiri popanga magalimoto, makina wamba, komanso masukulu ophunzirira. Ndiokwanira kuyang'ana kukula kwa midadada ya injini kapena kuphunzitsa mfundo zoyambirira zoyezera popanda kufunikira kolondola kwambiri.
Njira Yopangira ndi Mtengo: Kusinthanitsa - Zoyenera Kuziganizira
Ma mbale a Gulu A amafunikira njira yopangira mosamala kwambiri. Amisiri amathera nthawi yochulukirapo posankha zinthu, kudula ndendende, ndi kupukuta masitepe angapo kuti akwaniritse kupendekera komwe kumafunidwa komanso kutha kwa pamwamba. Kukwera kwaukadaulo kumeneku, limodzi ndi kufunikira kowongolera bwino, kumawonjezera ndalama zopangira. Zotsatira zake, mbale za Gulu A nthawi zambiri zimakhala zokwera mtengo kuposa 30 - 50% kuposa anzawo a Gulu B. Kwa bajeti - mafakitale ozindikira kapena mapulogalamu omwe ali ndi zofunikira zochepa zolondola, mbale za Gulu B zimapereka njira ina yotsika mtengo.
Mwachidule, mbale za granite za Giredi A ndi Gulu B zimakwaniritsa magawo osiyanasiyana olondola komanso zofunikira zogwiritsira ntchito. Ngakhale Giredi A imapambana m'malo apamwamba, olondola - oyendetsedwa bwino, Gulu B imapereka magwiridwe antchito odalirika pamtengo wotsikirapo wogwiritsa ntchito wamba. Powunika mosamalitsa kusiyana kumeneku, opanga ndi ogwiritsa ntchito amatha kupanga zisankho zolongosoka zomwe zimakulitsa kulondola komanso mtengo wake.