
Ke hōʻike nei nā mea ʻenekinia i ke kila kila no nā puʻu wai hydraulic kiʻekiʻe a i ʻole nā kumu winch pale ʻaʻahu, ʻaʻole lākou e hoʻoholo i nā māka hana maʻamau. Pono lākou i ka microstructural paʻakikī, kokoke i ka ʻupena-ʻano paʻakikī, a me ka paʻa ʻana o ka dimensional ma lalo o ka paikikala wela—nā kūlana kahi e pōkole ai ka hana kuʻuna a i ʻole ka mīkini. ʻO ia ke kumu e huli nei nā hui hoʻolālā hou aku pauda metallurgy kila kuhiliʻole-ʻaʻole ma ke ʻano he koho niche, akā ʻo ia ka hopena kumu no nā ʻāpana kikoʻī koʻikoʻi. A ʻo kahi hale e hoʻokō mau nei i kēlā ʻōlelo hoʻohiki ʻo QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD.
Ua ʻike mākou i ka hoʻi ʻana o nā mea kūʻai aku i ʻekolu mau manawa me ke kiʻi kiʻi hale valve hoʻokahi - i hana mua ʻia mai ka pahu pahu, a laila hoʻolei kālā, a hope loa i ka pauka metallurgy (PM) stainless steel. Ua hoʻoponopono kēlā me kēia hoʻololi i hoʻokahi pilikia akā ua hoʻopuka hou i kahi pilikia: waiho ka mīkini i ke koena koʻikoʻi ma nā ʻāpana pā lahilahi; ka hoʻolei ʻana i ka porosity ma nā hui ala kahe; Ua hāʻawi ʻo PM i nā mea like ʻelua> 99.5% a me ka like ʻana o ka palaoa ma waena o 0.05 mm mānoanoa pā. ʻAʻole ʻo ka ʻokoʻa wale nō ka hana - he mea hiki ke hoʻihoʻi ʻia ma nā pūʻulu 500-unit me ka ʻole o ka hoʻoponopono hou ʻana.
ʻAʻole i hoʻopaʻa ʻia ʻo PM stainless steel 316L a ua hana ʻia. Hoʻomaka ia me nā pauka i hoʻohui ʻia i mua o ke kinoea—e like me ka 17-4PH, 15-5PH, a i ʻole nā ʻano like ʻole Cr-Ni-Mo-Cu maʻamau—i nānā ʻia i ± 5 µm ka hāʻawi ʻana i nā ʻāpana. Ma QINGDAO QIANGSENYUAN, hoʻohana ka hoʻopili ʻana i nā paʻi pālua me ka nānā ʻana i ka nui o ka manawa maoli, ʻaʻole i hoʻopaʻa ʻia. Hana ʻia ka sintering i loko o nā kapuahi maloʻo me ka pae hau (<–40°C) a me ka ramp rates ≤5°C/min no ka pale ʻana i ka chromium carbide precipitation. Ka hopena? He mea me ka ikaika hua 20–30% kiʻekiʻe ma mua o nā māka hana like, ʻaʻohe puka o loko i ʻike ʻia e ka hoʻāʻo kani ultrasonic ma 10 MHz, a me ka ʻeleʻele ʻili Ra ≤1.6 µm as-sintered—ʻaʻohe mea wili lua e pono ai no nā mea hoʻopaʻa ʻole.
ʻO kekahi mau mea kūʻai aku i waho o ka sintering. ʻO nā mea ʻē aʻe e mālama wale i ka mīkini hope. He oiaio hale hana kila kuhiliʻole pauda nona ke kaulahao piha—mai ka loaa pauda a hiki i ka hoao hana—a pela no ka QINGDAO QIANGSENYUAN. Hoʻohui ko lākou hale Qingdao i nā laina PM ISO 9001-hōʻoia me nā pūnaewele CNC 5-axis, nā umu hoʻomaʻamaʻa wela i hoʻopaʻa ʻia i AMS 2750E, a me nā keʻena metrology i hoʻolako ʻia e CMM e holo ana i nā ʻōnaehana Zeiss CONTURA G2.
Hoʻopau kēia mana kūpaʻa i ʻelua mau kuhi maʻamau: ʻO ka mua, hiki ke ʻike i nā mea. Lawe ʻia kēlā me kēia pūʻulu i nā MTR piha—ʻaʻole wale ka ʻikepili tensile, akā nā koena oxygen/nitrogen, hōʻike kānana kānana, a me ka hoʻopaʻa ʻana i nā log lewa. ʻO ka lua, geometric fidelity. Ke noi ka mea kūʻai aku i ka hale pahu pahu piston pump me 8 radial coolant ports, ± 0.01 mm positional tolerance, a paʻakikī i nā ʻāina hoʻopaʻa paʻa ʻana, ua hoʻoikaika pū ka hui i ka geometry ʻāpana ʻōmaʻomaʻo, ka palapala ʻāina hoʻoemi sinter, a me ka hoʻoponopono distortion post-sinter heat-treat—ma mua o ka ʻoki ʻana i nā mea hana.
E nānā ma waho o ka ʻikepili. Ma nā hoʻolālā maoli, hoʻoponopono kā lākou mau mea ʻāpana PM stainless i nā pilikia kahua kikoʻī:
ʻAʻole kēia mau pōmaikaʻi theoretical. ʻO nā hopena i hōʻoia ʻia ma o ka hoʻopaʻa ʻana i ka māla a ka poʻe kūʻai aku - ʻaʻole nā hoʻohālikelike lab wale nō.
ʻEkolu mau mea maoli i hoʻohālikelike i nā papahana stainless PM kūleʻa:
ʻAʻole lākou e koi iā PM ma kahi ʻaʻole ia-e like me nā pale kūkulu nui a i ʻole nā hale haʻahaʻa haʻahaʻa. Noho haiki ko lākou manaʻo: nā ʻāpana kikoʻī hana kiʻekiʻe kahi e hui pū ai ka paʻakai, ka pale ʻana i ka corrosion, a me ke kūpaʻa dimensional.
ʻO ka palena aʻe ʻaʻole ʻoi aku ka maikaʻi o ka PM stainless - ʻo ia ka hana hybrid. Ke koho nei ʻo QINGDAO QIANGSENYUAN i nā kaʻina hana i hoʻohui ʻia: sintering i kahi kino valve kokoke i ka ʻupena, a laila e hana ana i ka hoʻopaʻa ʻana i ka laser localized o Stellite 6 ma nā wahi hoʻopaʻa, a ukali ʻia e ka hoʻohuli ʻana i hoʻokahi hoʻonohonoho CNC. Hoʻopau kēia i ka like ʻole o ka wela ma waena o ke kumu a me nā mea i uhi ʻia - kahi kumu i ʻike ʻia o ka spalling mua ʻana i nā noi kiʻekiʻe.
No nā mea ʻenekinia e loiloi ana i nā mea hoʻolako, e nīnau i ʻekolu mau nīnau: Hiki iā lākou ke hōʻike iā ʻoe i ka sintering log lewa no kāu kauoha hope? Ke hana nei lākou i nā loiloi hoʻopaʻa ʻana i ka kaʻina hana - ʻaʻole wale ka hōʻoia ʻāpana hope? A e hoʻomohala pū lākou i kāu GD&T stack-up ma mua o ka hoʻomaka ʻana o ke kaomi ʻana? Inā ʻae ka pane i nā mea ʻekolu, ke hana nei ʻoe me a hale hana kila kuhiliʻole pauda-ʻaʻole wale kekahi mea kūʻai aku. Hōʻike kēlā ʻokoʻa i ka hilinaʻi inā ʻaʻole hiki ke hoʻololi i ka hana.