Amapuleti obuso be-granite ayizinto zokubhekisela eziyisisekelo ku-metrology enobukhulu. Asebenza njengedatha eyinhloko ebonakalayo yokuhlola, ukulinganisa, kanye nokuqondanisa ukuhlanganiswa kuizindawo zokukhiqiza ezinembile kakhuluIzimboni ezifana nezindiza, ukwenziwa kwe-semiconductor, izinhlelo zokubona, kanye nobunjiniyela bamathuluzi omshini obuthuthukisiwe zithembele kulezi zakhiwo ukuze zilondoloze ukunemba kwejometri emazingeni e-micrometer kanye ne-sub-micrometer.

Ngokungafani namathebula okubhekisela ensimbi, i-granite inikeza isakhiwo sekristalu esizinzile ngokwemvelo esinokucindezeleka kwangaphakathi okuphansi kakhulu, izici ezinhle kakhulu zokudambisa ukudlidliza, kanye nokuqina kwejometri kwesikhathi eside. Lezi zakhiwo ziyenza ibe enye yezinto ezisetshenziswa kakhulu ezisekelweni ze-metrology ngokunemba emhlabeni jikelele.

Ezindaweni zokukhiqiza ezithuthukisiwe, izinhlangano ezifana ne-ZHHIMG zisebenzisa i-granite emnyama enobukhulu obuphezulu ukukhiqiza amapuleti aphezulu aklanyelwe izindawo zokulinganisa ezizinzile kakhulu lapho ukuphindaphinda nokulawula ukungaqiniseki kubalulekile.

1. Isayensi Yezinto Ezibalulekile Emuva Kwamapuleti Okungaphezulu Kwe-Granite

I-Granite iyidwala eliyi-igneous elakhiwe ngokuyinhloko yi-quartz, i-feldspar, ne-mica. Ukufaneleka kwayo ekusetshenzisweni kobunjiniyela obunembile akulona iphutha kodwa kususelwa ezicini zayo zesakhiwo esincane.

1.1 Isakhiwo sekristalu kanye nokuzinza

I-matrix yekristalu ehlanganayo ye-granite inikeza:

• Amandla aphezulu okucindezela
• Ukuguquguquka okuncane kokunwebeka ngaphansi komthwalo
• Ukucindezeleka okuphansi okusele uma kuqhathaniswa nezinsimbi ezibunjiwe
• Ukuqina okuhle kakhulu kwesikhathi eside

Ngokungafani nensimbi noma i-aluminium, i-granite ayishintshi isigaba noma iguqulwe ipulasitiki ngaphansi kwemithwalo ejwayelekile ye-metrology, okwenza ifaneleke kakhulu ezindaweni zokubhekisela.

1.2 Ukuziphatha Kokushisa

Ukuzinza kokushisa kungenye yezindlela ezibaluleke kakhulu ezinhlelweni ze-metrology.

Izakhiwo ezijwayelekile zegranite emnyama enobukhulu obuphezulu:

• Isilinganiso sokunwetshwa kokushisa: ~4–7 × 10⁻⁶ /°C
• I-inertia ephezulu yokushisa
• Ukushisa okuphansi

Lokhu kusho ukuthi amazinga okushisa asakazeka kancane kancane ezintweni, okunciphisa ukuphambuka kwendawo ngesikhathi sokusebenza kokulinganisa.

Ngokuphambene nalokho, izakhiwo zensimbi zingabonisa amanani okukhulisa ukushisa afinyelela ku-12 × 10⁻⁶ /°C, okwenza zingazinzi kakhulu ekusetshenzisweni kokubhekisela okunembile.

1.3 Izici Zokumanzisa

I-Granite ikhombisa ukudambisa ukudlidliza kwemvelo ngenxa yokwakheka kwayo kwamaminerali okungafani. Lesi sici sibalulekile ezindaweni lapho:

• Kukhona ukudlidliza komshini kwangaphandle
• Imishini Yokulinganisa Ehlanganisiwe (i-CMM) iyasebenza
• I-interferometry ye-laser iyenziwa

Amandla okudlidliza ahlakazeka ngemingcele yangaphakathi yokusanhlamvu kunokuba adluliselwe kulo lonke isakhiwo.

2. Izindinganiso Zokunemba Zamapuleti Omphezulu We-Granite

Amapuleti ongaphezulu e-granite awawona ama-slab ayisicaba angenasidingo; akhiqizwa futhi aqinisekiswa ngaphansi kwezindinganiso eziqinile zomhlaba wonke zokulinganisa.

2.1 I-DIN 876 Standard (eJalimane)

Izinga le-DIN 876 lichaza amazinga okubekezelela ukuthamba:

Ukuthamba ngokuvamile kuhlolwa kusetshenziswa amazinga e-elekthronikhi, i-laser interferometry, noma ama-autocollimators.

2.2 I-ASME B89 (e-United States)

I-ASME B89 ichaza:

• Izidingo zokungaqiniseki zokulinganisa
• Izinqubo zokulinganisa
• Ukulandelelwa kwezindinganiso zikazwelonke

Isetshenziswa kabanzi ezinhlelweni zokukhiqiza izindiza kanye nezokuvikela.

2.3 Izinhlelo Zekhwalithi Ezisekelwe ku-ISO 9001 / ISO

Nakuba i-ISO 9001 ingachazi ngqo ukubekezelelana kwe-metrology, ilawula:

• Izinhlelo zokuphatha ikhwalithi
• Ukulandelela kokulinganisa
• Izidingo zokulawula inqubo

Abakhiqizi abasebenza ngaphansi kohlaka lwe-ISO kumele baqinisekise ukuthi amaketanga okulinganisa ayaphindaphindeka futhi abhalwe phansi.

3. Ubunjiniyela Bokuthamba kanye Nezindlela Zokulinganisa

Ukuthamba kuyipharamitha echazayo yepuleti elingaphezulu. Kodwa-ke, ukuthamba akuyona isilinganiso sephuzu elilodwa kodwa kuyisici sejometri esithathwe.

3.1 Amasu Okulinganisa

Izindlela ezivamile zifaka:

• Amazinga omoya kagesi (isib., izinhlelo ze-WYLER)
• I-interferometry ye-laser (izinhlelo ze-Renishaw)
• Ama-Autocollimator
• Ukuqhathanisa ngomshini kusetshenziswa imiphetho eqondile eyinhloko

Indlela ngayinye yethula iminikelo ehlukene yokungaqiniseki.

3.2 Imithombo Yamaphutha Ekulinganisweni Kokuthamba

Ababambiqhaza ababalulekile bokungaqiniseki:

• Ukwehla kwezinga lokushisa phezu kobuso
• Ukuphindaphinda kwe-probe
• Ukudlidliza okuncane okubangelwa ukuhamba komoya
• Ukwehlukahluka kokuphathwa komqhubi
• Ukungaqiniseki kokulinganiswa kwezinsimbi

Emalabhorethri asezingeni eliphezulu, ukungaqiniseki kokulinganisa okuphelele kungalawulwa ngaphakathi kwamazinga angaphansi kwe-micron.

3.3 Ukuziphatha Kokuzinza Kwesikhathi Eside

Ngokungafani namapuleti ensimbi, i-granite ayibonisi:

• Ukuphumula kokucindezeleka
• Ukuguqulwa kokuguquguquka kwepulasitiki
• Ukuphambuka okubangelwa ukukhathala

Lokhu kwenza amapuleti ongaphezulu e-granite afanelekele ukusetshenziswa kwesikhathi eside ngaphandle kokuphindwaphindwa njalo.

4. Izicelo Zezimboni Zamapuleti Omphezulu We-Granite

Amapuleti ongaphezulu e-granite asebenza njengezinto eziyisisekelo ezimbonini eziningi zobuchwepheshe obuphezulu.

4.1 Imishini Yokulinganisa Ehlanganisiwe (i-CMM)

Kusetshenziswa njenge:

• Idatha yokubhekisela eyisisekelo
• Ipulatifomu yokulinganisa umshini
• Isisekelo sokuhlola izinto zokusebenza

4.2 Imishini Ye-Semiconductor

Izicelo zifaka:

• Izinhlelo zokulungisa i-wafer
• Izigaba zokubeka i-Lithography
• Amapulatifomu okuhlola i-metrology

4.3 Ukulinganisa Amathuluzi Omshini Oqondile

Kusetshenziselwa:

• Ukulungiswa komshini we-CNC
• Ukulinganiswa komhlahlandlela oqondile
• Ukuqinisekiswa kokugeleza kwe-Spindle

4.4 Izinhlelo Zokubona Neze-Laser

Ukusekelwa kwezisekelo ze-granite:

• Ama-interferometer e-laser
• Amabhentshi okuqondanisa okubonakalayo
• Izinhlelo zokuhlanganisa ama-photonics

5. I-Granite vs Izinto Ezihlukile

Isinqumo sobunjiniyela esibalulekile ukukhetha izinto eziyisisekelo zokubhekisela.

I-granite isebenza kahle kakhulu kunezinye izindlela zensimbi ezindaweni ze-metrology.

6. Izinto Okucatshangelwayo Ngezokukhiqiza Izimboni

Amapuleti aphezulu e-granite adinga izindawo zokukhiqiza ezilawulwayo:

• Izinqubo zokuhlanganisa kahle
• Ukuklwebha nokugaya okunezigaba eziningi
• Ukulawulwa kokushisa kwemvelo (okuvamile ngo-20°C ±1°C)
• Imijikelezo yokuzinza yokuqeda ukucindezeleka

Abakhiqizi abathuthukile njenge-ZHHIMG bahlanganisa izinhlelo ezinkulu zokugaya ezikwazi ukukhiqiza amapuleti adlula amamitha amaningana ubude ngenkathi begcina ukulawulwa kokuthamba kwezinga le-micron.

Isiphetho

Amapuleti ongaphezulu kwe-granite ahlala eyitshe lesisekelo le-metrology yokunemba yesimanje ngenxa yenhlanganisela yawo eyingqayizivele yokuzinza komshini, ukungathathi hlangothi kokushisa, kanye nezici zokunciphisa ukudlidliza. Uma kuhlanganiswa nokunamathela ngokuqinile ezindinganisweni zomhlaba wonke njenge-DIN 876 kanye ne-ASME B89, izinhlelo ezisekelwe ku-granite zinikeza isisekelo sengqalasizinda yokulinganisa ethembekile, ephindaphindwayo, nelandelekayo.

Njengoba ukunemba kokukhiqiza kuqhubeka nokuthuthuka kube ukubekezelelana kwezinga le-nanometer, i-granite izohlala iyinto ebalulekile evumelayo ohlelweni lwe-metrology lomhlaba wonke.