
Ke kuhikuhi nei nā ʻenekinia i nā ʻāpana hoʻoheheʻe one no nā manifold hydraulic, nā hale pahū, a i ʻole nā kino valve kiʻekiʻe, ʻaʻole pono lākou i nā ʻano metala wale nō - pono lākou i ke kūpaʻa dimensional ma lalo o ke kaʻa uila, microstructural integrity ma hope o ka mīkini ʻana, a me ka hoʻihoʻi hou ʻana o ka hui i ka ikaika a me ka paʻakikī. ʻO ia ke kumu e loaʻa ai mai kahi hale hana hoolei one me ka mana metallurgical i hoʻohui ʻia—ʻaʻole hiki ke kūʻai wale ʻia.
Ua ʻike mākou i nā papahana he nui e kū nei i ka hoʻāʻo paʻi mua. Ua kauoha kekahi mea kūʻai ma Texas i 42 mau hale pahu pahu piston pump— hao, ASTM A48 Class 35, GD&T callouts paʻa i ±0.05 mm. Hāʻawi ka mea hoʻolako mua i ka manawa. Akā ʻekolu mau hale i haki i ka wā hydrostatic validation ma 3,000 psi. Ke kumu kumu? ʻAʻole i ʻike ʻia ka helu nodule graphite i ka hehee ʻana, ʻaʻole i ʻike ʻia no ka mea, ua pau ka hōʻoia ʻana o nā mea komo i ka haku mele ʻana—ʻaʻole metala.
ʻO ia ka ʻokoʻa ma waena o kahi mea hoʻokumu a me kahi hale hana hoolei one i kūkulu ʻia no nā noi koʻikoʻi. Hoʻomaka ka hilinaʻi ʻoiaʻiʻo ma mua o ka hoʻopiha ʻia ʻana o ka ʻōpala: hōʻoia ʻia ka ʻike maka, ka nānā ʻana i ka lewa umu i ka manawa maoli, a me nā protocol mālama wela ma hope o ka ninini ʻana me AMS 2750. Ke hoʻomau nei ia ma o ka CNC machining kahi e hui ai nā mea hoʻoheheʻe i nā hoʻomanawanui hana-a hoʻopau wale ma hope o ka CMM-hōʻoia ʻia o nā hiʻohiʻona mīkini i nā datums as-cast.
Ma muli o 12 mau makahiki o ka hoʻopili pololei ʻana me nā OEM ma waena o ka ʻaila a me ke kinoea, nā hydraulics mobile, a me nā ʻāpana ʻenehana ʻoihana, ua ʻike mākou i ka mea e hoʻokaʻawale ai i nā mea hoʻolako hana mai nā mea kālepa:
"Hiki iā ʻoe ke hoʻolei i kēia i ka hao ductile?" kakaikahi ka ninau mua pono. ʻOi aku ka maikaʻi: “E hānai maʻemaʻe anei kēia geometry ma 2.5 kg/sec me ka ʻole o nā kiʻi ʻoniʻoni ʻoniʻoni i hoʻoulu ʻia i ka turbulence?” A i ʻole: "Ua paʻa anei kāu ʻōnaehana one i 150 µm ka pau ʻana o ka ʻili ma nā alo kū pololei me ka ʻole o ka wili lua?"
Lohe mākou i ʻekolu mau ʻeha ʻeha-a me ke ʻano o kā lākou hana ʻana i kā mākou kaʻina hana:
I ka makahiki i hala aku nei, ua makemake kekahi kaʻa ʻenekinia ʻEulopa i nā wili pahu winch center shaft no nā cranes arctic-duty. Spec: EN-GJS-600-3 hao ductile, -40°C ikehu hopena ≥12 J, paakiki o ka ili 240–270 HBW, aole porosity malalo o ka honua iloko o 3 mm o OD. ʻElua mau mea hoʻolako i haʻi ʻia. Hāʻawi kekahi i ke kumu kūʻai haʻahaʻa. ʻO ka mea ʻē aʻe—QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD—ua hāʻawi ʻia i nā lāʻau hoʻoheheʻe, ka hoʻoheheʻe ʻana i ka hoʻoheheʻe ʻana, a me kahi ʻāpana me ka microstructure etched e hōʻike ana i ka mahele ferrite-pearlite like ʻole.
Ua hala ka hoʻouna mua i kēlā me kēia ho'āʻo. 96 pauku. Hoʻouna: 11 mau lā ma mua o ka papa kuhikuhi. No ke aha mai? No ka mea, ʻaʻole i hoʻokaʻawale ʻia kā lākou hana hoʻolei one mai ka hoʻonohonoho ʻana i ka wela—a i ʻole mai ka hana honing hope loa. He hoʻokahi kaʻina i hoʻomalu ʻia.
ʻO ia ka wehewehe ʻana o a hale hana hoolei one i kūkulu ʻia no ka hilinaʻi—ʻaʻole ka leo.