M'munda wa kuyeza kolondola, granite straightedge, monga chida chofunikira chotsimikizira kulondola kwa zida ndi kuyeza, kalasi yake ya flatness imakhudza mwachindunji kudalirika kwa zotsatira zoyezera. Satifiketi ya National Institute of Standards and Technology (NIST) ya ku United States ndi muyezo wovomerezeka padziko lonse lapansi wa zida zoyezera zolondola kwambiri, ndipo kusalala kwa mulingo wa AA ndi imodzi mwamagiredi omwe ali ndi zofunikira zolondola kwambiri. Monga mtundu wotsogola pamakampani, ZHHIMG, yokhala ndiukadaulo wapamwamba kwambiri komanso mwaluso kwambiri, imathandiza ogwiritsa ntchito kukwaniritsa chiphaso cha NIST ndi zolinga za AA za flatness za ma granite owongoka. Zotsatirazi zikupatsirani kusanthula kwatsatanetsatane kwa mfundo zazikuluzikulu zowongolera ndi njira zoyendetsera.
1. Mvetsetsani chiphaso cha NIST ndi muyezo wa AA-level flatness
Satifiketi ya NIST ndi yodziwika bwino chifukwa cha kuyezetsa ndi kuwunika mosamalitsa, cholinga chake chachikulu ndikuwonetsetsa kuti zida zoyezera zimakwaniritsa miyezo yolondola kwambiri padziko lonse lapansi. M'munda wa granite straightedge, chofunikira cha AA grade flatness ndi chokhwima kwambiri. Nthawi zambiri, zimanenedwa kuti cholakwika cha flatness mkati mwa utali wa mita iliyonse chiyenera kuyendetsedwa mkati mwa ± 0.5μm. Muyezo uwu umayika patsogolo zofunikira kwambiri pazinthu zakuthupi, ukadaulo wokonza ndi ukadaulo wa calibration wa straightedge. Mlingo wa AA-level granite wotsimikiziridwa ndi NIST sikuti ndi chitsimikizo chodalirika cha kuyeza kolondola kwambiri, komanso umboni wamphamvu wamphamvu zamabizinesi ndi mtundu wazinthu.
Ii. Quality Foundation ya ZHHIMG granite straightedge
ZHHIMG granite straightedge yayala maziko olondola kwambiri kuchokera pagawo losankha zinthu. Granite yachilengedwe yosankhidwa bwino kwambiri, yokhala ndi kristalo wamkati wandiweyani komanso mawonekedwe ofananirako, imakhala ndi chowonjezera chowonjezera chamafuta otsika ngati 5-7 × 10⁻⁶/℃, ndipo imakhala ndi kukhazikika kwachilengedwe komanso kuthekera kotsutsana ndi deformation, kumapereka mwayi wopezeka kuti mukwaniritse kusalala kwa AA. Pa siteji processing, ZHHIMG ntchito njira zapamwamba monga CNC akupera ndi kupukuta, kuphatikizapo mkulu-mwatsatanetsatane zida kudziwika ngati laser interferometers kwa mawerengedwe enieni nthawi, kuonetsetsa kuti pamwamba pa kuwongola amakwaniritsa apamwamba kwambiri zolondola koyamba pa processing, kupanga zinthu zabwino kwa wotsatira calibration ntchito.
Iii. Kukonzekera Musanayesedwe
Musanayambe kuwongolera certification ya NIST, ndikofunikira kuwonetsetsa kuti kuwongoka kuli bwino kwambiri. Choyamba, pamwamba pa zowongoka ziyenera kutsukidwa kwambiri. Gwiritsani ntchito nsalu yopanda lint ndi chotsukira chapadera kuti muchotse madontho amafuta, fumbi ndi zonyansa zina pamtunda kuti mupewe zonyansa zomwe zimakhudza kulondola kwa ma calibration. Kachiwiri, ikani mowongoka m'malo okhala ndi kutentha kosalekeza ndi chinyezi kwa maola opitilira 24 kuti mulole kuti igwirizane ndi kutentha kwa chilengedwe ndi chinyezi, ndikuchotsa zopunduka zazing'ono zomwe zimachitika chifukwa cha kusintha kwa chilengedwe. Kuphatikiza apo, zida zowongolera bwino kwambiri monga ma interferometer a laser ndi magawo amagetsi amayenera kukonzekera. Kulondola kwa zida izi kumakhudza mwachindunji kulondola kwa zotsatira za calibration.
Iv. Njira ya Calibration ndi Key Technologies
Kuwongolera molakwika: Gwiritsani ntchito mulingo wamagetsi kuti muyezedwe koyamba. Sonkhanitsani malo oyezera pakapita nthawi (monga 100mm) kuti mupeze pafupifupi deta ya mizere yowongoka. Kutengera zotsatira za kuyeza, pamwamba pa straightedge anali pafupifupi makina kudzera CNC akupera zipangizo kuchotsa zoonekeratu mfundo zapamwamba, kupanga flatness poyamba kuyandikira AA-level zofunika muyezo.
Kuwongolera mwatsatanetsatane: Kuyeza kwapamwamba kwambiri kumachitika pogwiritsa ntchito laser interferometer, yomwe imatha kuzindikira molondola kusintha kwa msinkhu pamtunda wa micrometer. Malingana ndi deta yomwe idadyetsedwa ndi interferometer, pamwamba pa straightedge inali pansi bwino pophatikiza kugaya pamanja ndi makina a CNC. Panthawi yopera, kupanikizika kwa kugaya ndi kuwongolera kumafunika kusinthidwa nthawi zonse kuti pang'onopang'ono kuthetse vuto la flatness, kotero kuti flatness pamwamba pa straightedge akhoza kufika pamtunda wapamwamba.
Kutsimikizira mobwerezabwereza ndi kukonza bwino: Mukamaliza kuwongolera bwino, gwiritsani ntchito laser interferometer ndi mulingo wamagetsi kuti muyang'anenso mozama kuwongoleredwa kuti muwonetsetse kuti cholakwika cha flatness cha muyeso uliwonse chili mkati mwa muyezo wa AA-level. Ngati zolakwa zazing'ono zapezeka m'deralo, kuwongolera bwino kuyenera kuchitidwa mpaka kupendekeka konse kwa njirayo kukwaniritse zofunikira za AA-level ya chiphaso cha NIST.
V. NIST Certification Application and Review
Mukamaliza kuwerengetsa ndikutsimikizira kuti kuwongoleredwa kwafika pa AA-level flatness, mutha kutumiza fomu yotsimikizira ku NIST. Panthawi yogwiritsira ntchito, magawo atsatanetsatane aukadaulo a straightedge, mafotokozedwe aukadaulo waukadaulo, zolemba zowerengera ndi zida zina ziyenera kuperekedwa. NIST idzatumiza owunikira akatswiri kuti akafufuze ndi kuwunika malowo. Kuwunikiraku kudzakhudza mbali zingapo monga kukhazikika, kukhazikika kwamafuta, komanso kukana kwamphamvu kwa kuwongoka. Kuwongoka kwa granite kokha komwe kwadutsa kuwunika kokhazikika kungathe kupeza chiphaso cha NIST ndikukhala chinthu choyezera bwino pamiyezo yolondola.
Potsatira malangizo omwe tawatchulawa a ZHHIMG granite straightedge calibration, mabizinesi ndi mabungwe ofufuza atha kukwaniritsa chiphaso cha NIST komanso zolinga za AA-level flatness bwino kwambiri. Kaya m'mafakitale omwe ali ndi zofunikira zolondola kwambiri monga kupanga makina, zakuthambo, kapena tchipisi tamagetsi, ZHHIMG granite straightedge yotsimikiziridwa ndi NIST idzakhala bwenzi lodalirika powonetsetsa kuti muyeso ukulondola komanso mtundu wazinthu, kuthandiza mabizinesi mosalekeza kudutsa gawo la kuyeza mwatsatanetsatane ndikupita ku tsogolo lolondola kwambiri.
Nthawi yotumiza: May-13-2025