ʻO ka pauka silicon carbide ʻōmaʻomaʻo: ka mea kaua huna e hoʻomaikaʻi ai i ka pono polishing
I ka hola ʻelua o ke kakahiaka, ua hoʻolei ʻo Lao Zhou mai ka hale hana kelepona hope i kahi uhi aniani i puka mai ka laina hana ma luna o ka papa nānā, a ua like ke kani me ka hoʻā ʻana i nā mea puhi ahi. "E nānā! ʻO ka ʻumi kēia o ka pūʻulu! ʻIli ʻalani a noe. E hōʻea mai ana nā mea nānā o Apple i ka lā ʻapōpō. Hiki ke hāʻawi ʻia kēia mea?!" ʻOi aku ka ʻulaʻula o ke koko ma kona mau maka ma mua o ke kukui hōʻike ma ka mīkini. ʻO Li, ka mea i noho mālie ma ke kihi, ua hoʻokuke mālie i kahi bākeke o ka pauka ʻōmaʻomaʻo ʻeleʻele, "E hoʻāʻo i kēia 'pupule ʻōmaʻomaʻo', ʻo ia ka mea hoihoi loa e wili i nā iwi paʻakikī." ʻEkolu lā ma hope mai, ua lawe ʻia ka pūʻulu mua o nā huahana kūpono i ka lewa i ka pō. Ua pā ʻo Lao Zhou i ka bākeke opauka ʻōmaʻomaʻoa ʻakaʻaka: "Hiki i kēia kanaka liʻiliʻi huhū ke hoʻōla maoli i nā ola!" Ma ke kahua kaua o ka poli ʻana, he heihei ia e kūʻē i ka manawa,pauka carbide silicon ʻōmaʻomaʻo (SiC)he lāʻau lapaʻau ikaika a kūpono hoʻi e mālama pono ana i nā ʻano āpau o ka "hiki ʻole ke wili" a me ka "hiki ʻole ke wili".
ʻO ka pauka silicon carbide ʻōmaʻomaʻo, i ʻike ʻia ʻo "kalapona ʻōmaʻomaʻo" a i ʻole "GC"ma ke ao nei. ʻAʻole ia he one maʻamau, akā he kanaka paʻakikī i "hoʻomaʻemaʻe ʻia" i loko o ka umu arc uila ma mua o 2000 degere me nā mea e like me ke one quartz a me ka petroleum coke. He kino maikaʻi kona: ʻOi aku ka paʻakikī o Mohs ma mua o 9.2-9.3. He ʻoi aku ka paʻakikī ma mua o kona "corundum keʻokeʻo "hoahānau" a ʻo ka lua wale nō i ka daimana. ʻO ka mea kupaianaha hou aku kona "lole ʻōmaʻomaʻo" - nā kristal silicon carbide maʻemaʻe loa, me nā kihi ʻoi a me nā kihi, a me ka huhū wikiwiki a huhū. Inā he "haku ʻōpala" mālie ka corundum keʻokeʻo, a lailacarbide silicon ʻōmaʻomaʻohe "kāpena hoʻopau" e paʻa ana i kahi micro mace, loea i ka nau ʻana i nā iwi paʻakikī, a he mea kupaianaha kona pono.
Aia kona waiwai ma ka ʻuhane "wikiwiki, pololei, a me ka lokoino":
1. Ke nau ʻana i nā "iwi paʻakikī": loea i nā ʻano hoʻolohe ʻole āpau
ʻO ke aniani kelepona paʻalima (Corning Gorilla), ke aniani uaki sapphire, ka wafer silicon kristal hoʻokahi, ka substrate seramika… ʻOi aku ka paʻakikī a me ka palupalu o kēia mau "papahana maka" o ka ʻoihana hou ma mua o kekahi. ʻAʻole e hana nā mea abrasive maʻamau a uhaʻi paha i nā kihi inā hoʻopili ʻia ka ikaika nui. ʻO nā kihi ʻoi o ka pauka silicon carbide ʻōmaʻomaʻo (e like me nā chisels micro helu ʻole ma ka pae microscopic), i hui pū ʻia me kona paʻakikī kiʻekiʻe, e ʻae iā ia e "ʻoki" i ka ʻili o nā mea paʻakikī a palupalu me ka ikaika a me ka paʻa. Hiki iā ia ke ʻili koke i ka mea, ma kahi o ka "palau" ʻana e like me kekahi mau abrasives e hōʻino nui ai. Ke hoʻopili nei i ka uhi o ke kelepona paʻalima? Hiki iā ia ke hoʻopalahalaha koke i nā "mauna" ma ka ʻili aniani me ka ʻole o ka hoʻopili ʻana i nā "awāwa" ma kona ʻaoʻao, e pāpālua ana i ka pono pololei, a me ke ʻano o ka ʻili ʻalani? ʻAʻole!
2. ʻO ka ʻoki ʻana i ka "pahi wikiwiki": he kālā ka manawa
Ma ka laina hana panela kristal wai TFT-LCD, pili kēlā me kēia kekona o ka wili ʻana a me ka poli ʻana o kahi substrate aniani nui i ka hiki ke hana. Ua kālai ʻia ka "wikiwiki" o ka pauka silicon carbide ʻōmaʻomaʻo i loko o kona mau genes. ʻAʻole wale ka paʻakikī a me ka ʻoi o kona mau ʻāpana, akā he mea kupanaha hoʻi ka ʻoi ponoʻī - e haki nā ʻāpana blunt iā lākou iho ma lalo o ke kaomi, e hōʻike ana i nā ʻoi hou e hoʻomau i ke kaua! ʻAʻole like me kekahi mau abrasives palupalu, lilo lākou i "laumania" i ka wā e wili ana, a hāʻule ko lākou pono. ʻO kēia hiki ke "hoʻoulu hou iā ia iho" e hiki ai iā ia ke like me ka iʻa i loko o ka wai i nā pae polishing ʻino a me waena, a ʻo kona wikiwiki wehe mea i kēlā me kēia manawa (MRR) ua ʻoi aku ma mua o kona mau mea hoʻokūkū. Ma hope o ka hoʻololi ʻana o kahi hale hana wafer silicon photovoltaic i ka slurry silicon carbide ʻōmaʻomaʻo me kahi nui o ka ʻāpana kikoʻī, ua piʻi ka pono o ka wehe ʻana i ka ʻaoʻao silicon wafer ma 35%, a ua ʻomi ʻia ka hiki ke hana i kēlā me kēia lā o kahi laina hoʻokahi e nā haneli o nā ʻāpana - i ke kau hoʻokomo wikiwiki, he kālā maoli kēia!
3. "Maikaʻi" i ka ʻino: ke kaulike ma waena o ka pono a me ka pololei
Mai manaʻo ʻoe he "nā pupule ʻōmaʻomaʻo"Hiki ke hana wale me ka hoʻowahāwahā. I ka polishing puka aniani sapphire pololei, ke koho ʻana i ka nui kūpono o ka ʻāpana (e like me W7, W5 a ʻoi aku ka maikaʻi ma hope o ka grading maikaʻi) a me ke ʻano o ka micropowder silicon carbide ʻōmaʻomaʻo e hōʻike ana i ka "maʻalea ma lalo o ka roughness". Hiki iā ia ke wehe pono i nā ʻōpala hohonu a me nā papa hōʻino ma lalo o ka ʻili i waiho ʻia e ke kaʻina hana ma mua (e like me ka wili daimana), ke kau nei i kahi kahua maikaʻi a me ka hoʻomaʻemaʻe ʻana i nā mea pale no ka polishing maikaʻi maoli ma hope (e like me ka hoʻohana ʻana i ka silica sol). He mea koʻikoʻi kēia kuleana "e hoʻohui ana i ka mua a me ka mea aʻe". Me ka ʻole o ia mea e wehe pono i nā "ʻeha paʻakikī", e hoʻonui nui ʻia ke kaʻina polishing maikaʻi e hoʻopau ai i ka manawa, a e paʻakikī ka hōʻoia ʻana i ka nui o ka hua. Ua like kēia me ke kūkulu ʻana i hale. ʻO ka silicon carbide ʻōmaʻomaʻo ka "limahana haku" nāna e hoʻokomo koke a maʻalahi i ke kahua a kūkulu i nā paia e halihali ana i ka ukana. Me ka ʻole o ia mea, ʻo ka "hana maikaʻi" o ke kāpili ʻana i ka pepa gula ma hope e makehewa.
4. Ke pāʻani nei me ka "wili wai": ʻo ke kūpaʻa ke ala e mau ai
Loaʻa i ka micropowder silicon carbide ʻōmaʻomaʻo nā waiwai kemika paʻa (inert) a ʻaʻole maʻalahi ke pane me nā wai polishing wai a i ʻole nā wai polishing aila i hoʻohana pinepine ʻia. He aha ke ʻano o kēia? He kūpaʻa maikaʻi ka slurry a ʻaʻole maʻalahi ke palaho, hoʻopaʻa a hoʻohuihui paha! Ma ka laina polishing me ke kiʻekiʻe o ka automation, ʻo ka hana slurry paʻa ke ola. E noʻonoʻo e pili ana i ia mea, inā he mānoanoa ka abrasive i kekahi manawa a he lahilahi i kekahi manawa, a hui pū nā ʻāpana e ālai i ka pipeline, pehea ka ʻino o ka hua a me ke kumukūʻai mālama lako?Kalapona ʻōmaʻomaʻo"e hoʻolilo i nā kānaka i mea hopohopo ʻole. Hiki i ka slurry i hoʻomākaukau ʻia ke holo paʻa i kahi neʻe a ʻoi aku paha, e hōʻemi nui ana i ka helu o nā pani ʻana e hoʻoponopono i nā palena a hoʻomaʻemaʻe i nā pipeline. Ua ʻōlelo ʻo Lao Wu, ke luna hana o kahi hale hana bearing ceramic precision, me ka manaʻo: "Mai ka hoʻololi ʻia ʻana o ka slurry silicon carbide ʻōmaʻomaʻo paʻa, hiki iaʻu ke noho i lalo a inu i ke kī wela i ka wā o ka nānā ʻana o ka neʻe pō. Ua like ia me ke kinai ʻana i ke ahi!"
I kēia au o ka ʻimi ʻana i ka maʻalahi a me ka pono,pauka micropoda silicon carbide ʻōmaʻomaʻoua hoʻohana i kona mana paʻakikī "huhū ʻino" e kālai i kona inoa ponoʻī a hilinaʻi hoʻi ma hope o nā ʻili laumania he nui ʻole e like me ke aniani - ʻaʻole ia he kuleana akahai, akā he "mea kaua huna" kūpono e hoʻomaikaʻi ai i ka pono o ka polishing.