
Ke hāʻule ka pauma hydraulic ma lalo o ke kaomi 350-bar, ʻaʻole pinepine ke kumu kumu i ka hoʻolālā ʻōnaehana. Hoʻokahi pinepine hale hana hoolei pololei ʻāpana—e like me ka nozzle cobalt-alloy a i ʻole ka hale piston cylinder—i nele i kona ʻae ʻana ±0.02 mm ma ka lua o loko. ʻEkolu manawa mākou i ʻike ai i kēia makahiki wale nō: nā faila CAD like, nā kikoʻī lapaʻau like ʻole, akā ua hala kekahi pūʻulu i ka hoʻāʻo ʻana aʻo kekahi i haki ʻia i ka wā o ka hōʻoia ʻana i ke kaomi. ʻO ka ʻokoʻa? Hiki ke ʻike i nā mea waiwai, ka mana microstructure ma ka hoʻoheheʻe ʻana-machining interface, a me ke ʻano paʻa o ka nānā ʻana me ka loiloi metallurgical.
ʻO ka hoʻolei ʻana i nā ʻāpana metala kūpaʻa kiʻekiʻe ʻaʻole ia e hana me ke one ma kahi o ka carbide. Ke mālama nei ʻo ia i nā ʻoluʻolu wela ma waena o 120 kg i nā mea hoʻoheheʻe kila ʻoiai e paʻa ana i nā kelepona GD&T no ka coaxiality, cylindricity, a me ka hoʻopau ʻana i ka ʻili—ma mua o ka pā ʻana o kahi mea hana CNC hoʻokahi i ka ʻāpana. Ma QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., mālama mākou i ka hoʻopukapuka kālā a me ka hoʻolei ʻana i ke one e like me nā hana machining upstream. ʻO ia ke ʻano o ka hoʻomalu ʻana i ka mold shrinkage me nā ʻano thermocouple manawa maoli-ʻaʻole wale ke ana ma hope o ka hoʻolei ʻana. ʻO ia ke ʻano o ka hoʻomaʻamaʻa mua ʻana i kēlā me kēia AMS 5387 cobalt alloy lot e kūʻē i ka nui o ka palaoa ASTM E112 a me nā kūlana hoʻokomo ʻo ASTM E1268 *ma mua o ka ninini ʻana. A ʻo ia hoʻi ka hōʻoia ʻana i ka hoʻololi koʻikoʻi i loko o nā ʻāpana one me ka hoʻohana ʻana i ka scan CT-ʻaʻole wale ka nānā ʻike.
He mea nui kēia aʻo no nā ʻāpana kahi e hiki ʻole ai ke hoʻokaʻawale ʻia ke geometry a me ka microstructure: nā ʻūhā kaomi e hoʻopaʻa ʻia ma 400°C, nā wili pahu waena winch e lawe ana i nā haʻahaʻa ikaika 18-ton, a i ʻole nā kumu pahū e hoʻopaʻa ana i ka 120 Hz harmonic vibration. He 0.05 mm ka mānoanoa o ka pā i loko o ka hale kobalt T800 e ho'ololi i ka nui o ka ho'olu'u kūloko—a ho'oulu i ka ho'ololi martensitic kahi e noho ali'i ai ka austenite. Ka hopena? ʻAʻole ʻike ʻia nā microcracks i ka hoʻāʻo ʻana i ka dye-penetrant akā e hoʻolaha ʻia ma lalo o ke koʻikoʻi cyclic. Loaʻa koke mākou i kēlā mau pilikia no ka mea ʻaʻole kā mākou ʻīpuka maikaʻi i ka nānā hope loa - ʻo ia ka loaʻa waiwai.
ʻO ka hapa nui o nā mea hoʻolako e papa inoa i ka "CNC machining," "casting," a me "heat treatment" ma ke ʻano he lawelawe kaʻawale. He kakaikahi ka mea e hoʻopili paʻa iā lākou i mea e uku ai ka hoʻoheheʻe ʻana i ka hoʻoheheʻe ʻana i ka mīkini - a i ʻole e hoʻoponopono ʻia nā pōʻai mālama wela e pili ana i ka heluhelu paʻakikī like-cast. Eia ka mea e ʻokoʻa ai:
Nīnau kekahi mau mea kūʻai: "Hiki iā ʻoe ke paʻa i ka ± 0.1 mm ma kahi o ± 0.02 mm e ʻoki i ka manawa alakaʻi?" Pane pololei mākou: ʻAe-akā inā holo ka ʻāpana i nā hydraulics haʻahaʻa me ka hoʻouka ʻole ʻana i ka luhi. No nā noi ʻaʻahu kiʻekiʻe, hoʻonui ka hoʻomanawanui ʻana i ke koʻikoʻi pili ma 37% (ma ke ʻano ʻike Hertzian contact theory), e hoʻonui i ka ʻaʻahu i nā pilina piston-cylinder. Ua helu hou mākou i ka manaʻolana o ke ola no kahi pahu winch kaʻa ʻenekinia: ± 0.05 mm ua hoʻemi ʻia ke ola lawelawe i wānana ʻia mai 12,000 hola a i 4,800 hola. Ua nalowale nā "mālama" i ka wā e helu ai i ka hana pani pani, ka manawa haʻahaʻa, a me nā koi palapala hōʻoia.
ʻO ia ke kumu ʻaʻole mākou e ʻōlelo "nā pūʻali hoʻomanawanui." Hoʻopuka mākou i *nā hopena hana: "E mālama kēia hale cylinder i ka ikaika sealing> 92% o ka nominal ma waena o 50,000 cycles ma 320 bar." Pono ia e hoʻolei i ka hoʻokō ʻana i ka hale hana pololei-ʻaʻole wale i nā palapala.
ʻO ka makahiki aʻe, ke hōʻoia nei mākou i kā mākou hale hana iā AS9100 Rev D-ʻaʻole no ka mea ʻo ka aerospace kā mākou mākeke nui loa, akā no ka mea, ʻo kāna kaʻina hana e hōʻike ana i nā nāwaliwali huna i ka hoʻoheheʻe ʻana-machining handoffs. Ke hoʻomaka nei mākou i kahi papahana R&D hui pū me kahi papa hana ʻEulopa e hoʻohālike i nā ala paʻa no ka T800 cobalt alloys i nā geometries paʻakikī. ʻO ka pahuhopu? E wānana i ka microsegregation ma mua o ka ninini mua ʻana.
Inā koi kāu noi i ka hana hou ʻana ma lalo o ke kaomi nui, ka wela, a i ʻole ka lole—mai hoʻoholo i ka hoʻolei ʻana i "kūpono i ke kiʻi." E koi i ka hoʻolei ʻana i kūpono i ka physics. Koi pololei ʻia i loko o ke kaʻina hana—ʻaʻole i ana wale ʻia ma hope o ka hana ʻana. ʻO ia ka maʻamau ma hope o kēlā me kēia ʻāpana e loaʻa ana ka inoa QINGDAO QIANGSENYUAN-a ke kumu e hoʻi ai nā OEM honua no kā lākou mau hanauna ʻekolu a me ka hā o ka pauma, valve, a me nā ʻōnaehana hydraulic.