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pauda metallurgy kila

Ke lohe 'oe i ka 'powder metallurgy steel', 'o ke ki'i koke mai paha o keia mau mea pono a me ka hana ki'eki'e mai ka pepa 'ikepili lab. ʻO ka ʻoiaʻiʻo ma ka papahele o ka hale kūʻai ʻoi aku ka maikaʻi, me nā kālepa-offs ma waena o kēlā microstructure maikaʻi a me ka hoʻokele waiwai o ka hana. ʻAʻole ia e pili ana i ke kaomi ʻana a me ka sintering; e pili ana i ka mālama ʻana i nā manaʻolana—no ka mea a me ka mea kūʻai aku.

ʻO ka ʻAha ma waena o ka Pepa Kūʻai a me ka papahele hale kūʻai

Loaʻa pinepine mākou i nā nīnau, i kekahi manawa ma o nā hoa like Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), nona ka ʻike hohonu i ka hoʻolei ʻana a me ka mīkini, e nīnau ana inā hiki ke hoʻololi ʻia kahi ʻāpana i hana ʻia i kēia manawa ma o ka hoʻoheheʻe kālā pauda metallurgy no ke kumukūʻai a i ʻole ka hana. ʻO ka nīnau mua ʻaʻole hiki iā mākou? akā, pono anei iā mākou? No ka mea paʻakikī e koi ana i ka ikaika luhi nui, lanakila paha ʻo PM. Akā no ka hale maʻalahi, pā mānoanoa, ʻoi aku ka maikaʻi o ka hoʻolei ʻana a i ʻole ka mīkini ʻana mai ka pahu bar, ʻoi aku ka maikaʻi ma nā puke haʻahaʻa. He ikaika ke ʻano o ka ʻupena kokoke, akā ʻo ke kumukūʻai mea hana no kēlā mīkini paʻakikī hiki ke lilo i mea pepehi kanaka.

Hoʻomanaʻo wau i kahi papahana no kahi ʻāpana hydraulic valve. Ua hōʻike ʻia ke kaha kiʻi i ka nui o 7.4 g/cm3 no ka pauda metallurgy kila e hōʻoia i ka leak-tightness. Ua loaʻa iā mākou ma o ka paʻi pālua a me ka sintering, akā ʻo ke ʻano warpage post-sintering he mea pōʻino. Ua maikaʻi ka ʻāpana i ka puka ʻana mai ka umu, akā ua haʻi nā ana CMM i kahi moʻolelo ʻē aʻe. Ua hoʻohana mākou i nā pule i ka hoʻolālā ʻana i ka hoʻolālā pre-form, ʻo ke kūkulu ʻana i ka distortion i ka ʻaoʻao ʻē aʻe, i manaʻo ʻia he counter-intuitive. Ua hana, akā ua hoʻohui ʻo 15% i ka manawa hoʻomohala. ʻO ia ke kumu kūʻai huna—ʻo ka ʻike.

ʻO kēia kahi o ka loaʻa ʻana o kahi hoa mīkini ʻaʻole hiki ke kūkākūkā. ʻOiai me ke kaʻina hana PM maikaʻi loa, pono pinepine ʻoe i kahi pass machining hope no ka hoʻomanawanui koʻikoʻi a i ʻole ka hoʻopau ʻana i ka ʻili. ʻO kahi hui e like me QSY, me kā lākou ʻO ka mīkini CNC ʻike, lilo i mea koʻikoʻi. ʻAʻole hiki iā ʻoe ke hāʻawi wale iā lākou i kahi ʻāpana sintered a manaʻo i nā hana mana; ʻokoʻa ke ʻano o ka mea ma mua o ke kila hana. ʻOi aku ka abrasive a hiki ke loaʻa ka porosity. Ua aʻo mākou e wehewehe i ka nui o ka sintered a me ka paʻakikī ma ke kiʻi a mākou e hoʻouna ai i nā mīkini, ʻaʻole wale i ka pae alloy. ʻO kahi memo e like me ke koena porosity, e hoʻohana i nā mea hana ʻoi e mālama i nā poʻo āpau.

Nā Nuances Ma waho aʻe o ka hao a me ke kalapona

ʻO ka pauka hao kumu wale nō ke kāwele. Aia ke akamai i loko o nā mea hoʻohui - nā pauka i hoʻohui mua ʻia a me nā lubricants. ʻO ka hoʻohana ʻana i ka pauka i hoʻopaʻa ʻia e like me Distaloy, me ka nickel a me ke keleawe i hoʻopili mua ʻia i loko o nā ʻāpana hao, hāʻawi ʻoi aku i nā waiwai homogeneous ma hope o ka sintering i hoʻohālikelike ʻia me ka hui ʻana i nā pauka elemental. Akā ʻoi aku ka pipiʻi. No ka hoʻohana ʻana i ka lole kiʻekiʻe, hiki iā mākou ke hele me ka pauka kila i hoʻohui ʻia me ka molybdenum, a laila hoʻohui i ke keleawe a me ka graphite no ka ikaika. He mea koʻikoʻi ka lewa hoʻoheheʻe ʻia—he ʻūhā hapa a i ʻole ka amonia māwae e pale ai i ka decarburization. E kuhi hewa, ʻaʻole e paʻakikī kou kila paʻakikī.

Aia ka manaʻo kuhihewa maʻamau e nāwaliwali nā ʻāpana PM. ʻAʻole pololei inā hana pololei. ʻO nā kaʻina hana paʻakikī e like me carbonitriding, ua loaʻa iā mākou ka paʻakikī o ka ʻili o 60 HRC ma pauda metallurgy kila nā ʻāpana no ka hoʻoili kaʻa. ʻO ke kī ʻo ka loaʻa mua ʻana o ka lawa pono. ʻO kahi ʻāpana ma 6.8 g/cm3 e loaʻa i ka porosity pili e hoʻopau i ke kinoea carburizing a alakaʻi i ka hohonu o ka hihia inconsistent. E hoʻokuʻu iā ia i 7.2 a i ʻole ke kiʻekiʻe, a ʻoi aku kona ʻano me kahi mea paʻa i ka wā mālama wela.

Moʻolelo hāʻule: ua hoʻāʻo mākou i kekahi manawa e hana i kahi lever liʻiliʻi ikaika me kahi ʻoki lalo. Ua koi ʻia ka hoʻolālā no ka hoʻokumu ʻana i ka undercut i ka wā kaomi ʻana e pale aku i ka mīkini lua. Me he mea akamai. Akā i ka wā e hoʻokuʻu ʻia ai mai ka make, ʻo kēlā ʻāpana palupalu, i hoʻopaʻa ʻia akā ʻaʻole i hoʻopaʻa ʻia (ka mea a mākou i kapa ai he ʻāpana ʻōmaʻomaʻo), ʻāhaʻi i kēlā me kēia manawa. Ua ho'āʻo mākou i nā hui lubricant like ʻole i loko o ka hui pauka e hoʻomaikaʻi i ke kahe a hoʻemi i ka friction, akā kiʻekiʻe loa ke koʻikoʻi mechanical. Pono mākou e hoʻolālā hou i ka ʻāpana, e hoʻomaʻamaʻa i ke ʻano a me ka ʻae ʻana i kahi hana CNC ma hope e hana i ka undercut. He hihia maʻamau ia o ka hoʻomāhuahua ʻana i ka mea hiki i ka ikaika ʻōmaʻomaʻo ke mālama. ʻO ka haʻawina e hoʻolālā no ke kaʻina hana, ʻaʻole e koi i ke kaʻina hana e kūpono i ka hoʻolālā.

Ke hālāwai ʻo PM i nā hana ʻē aʻe

He wahi hoihoi kēia. Makemake nā ʻoihana QSY loea ma hoʻolei kālā a hoʻoheheʻe ʻia ʻana o ka pūpū. No laila, i ka manawa hea e hoʻokūkū ai ʻo PM, a i ka manawa hea e hoʻokō ai? No nā alloys i kaulana loa i ka paʻakikī i ka mīkini, e like me kekahi mau superalloys nickel-based, ʻo ka PM a me ka hoʻolei kālā ʻana he mea hakakā. Hiki i ka PM ke hāʻawi i ka hoʻolālā palaoa ʻoi aku ka maikaʻi. Eia nō naʻe, no nā ʻāpana nui loa (e noʻonoʻo ma luna o 10 kg), ʻaʻole hiki ke paʻi nui, a ke hoʻomau nei ka hoʻolei ʻana. Ua ʻike mākou i nā ala hybrid kahi i hoʻopaʻa ʻia ai kahi palapala PM paʻakikī a hui pū ʻia i kahi hui hoʻolei a mīkini ʻia ma o ka brazing a i ʻole ka wili. He niche, akā hoʻoponopono i nā pilikia kikoʻī.

Ma kā lākou pūnaewele, tsingtaocnc.com, Hoʻopaʻa inoa ʻo QSY i nā mea like me ka cobalt-based a me ka nickel-based alloys. He mau moho nui kēia no PM, ʻoi aku hoʻi no nā ʻāpana e koi ana i ke kūpaʻa wela kiʻekiʻe a me nā waiwai e hoʻohana ai, e like me nā noho valve a i ʻole nā ​​lau turbine. Hiki i ke ala pauka ke hōʻemi i ka ʻōpala waiwai no kēia mau ʻāpana pipiʻi. ʻO ka paʻakikī ʻo ka sintering iā lākou me ka hoʻokomo ʻole ʻana i nā mea haumia; koi pinepine ia i nā kapuahi kiʻekiʻe. Hoʻomoʻa ʻia ke kumukūʻai o kēlā manawa umu ahi i ke kumukūʻai hapa. No laila, hoʻi mau ka matrix hoʻoholo i ka leo, paʻakikī, a me ke kumukūʻai waiwai.

ʻIke au i nā hana ma hope o ka sintering he mea hoihoi. ʻAʻole i pau kahi ʻāpana sintered. Pono paha e hoʻonui i ka nui (kahi paʻi hope loa i loko o kahi make), ka hoʻomaʻamaʻa ʻana i ka mahu no ka oxide o ka ʻili a me ka hoʻopaʻa haʻahaʻa ʻana, a i ʻole nā ​​kaʻina hana hoʻopalapala a uhi ʻia paha. Ua loaʻa iā mākou kekahi pūʻulu o nā ʻāpana i hala i nā hoʻokolohua mechanical āpau akā ʻaʻole i hoʻāʻo i ka hoʻāʻo paʻakai no ka pale ʻana i ka corrosion. ʻO ka porosity, ʻoiai inā ʻaʻole i pili, e paʻa ana i ka hopena plating, a ma hope iho i hū ʻia a hoʻoulu ʻia. ʻO ka hoʻoponopono ʻana he hana resin impregnation ma mua o ka hoʻopaʻa ʻana - kahi kaʻina hana maʻalahi a haʻahaʻa ʻaʻole ma ka pepa kikoʻī maʻamau akā koʻikoʻi loa no kekahi mau noi.

ʻO ka ʻoiaʻiʻo waiwai a me nā ikaika niche

I ka hopena o ka lā, pauda metallurgy kila ʻaʻole ia he pōkā kilokilo. He kaʻina hana me kahi wahi momona loa. Ka leo kiʻekiʻe (e amortize mea paahana), maʻalahi a kiʻekiʻe ka paʻakikī (e hoʻohana i ka pono o ka ʻupena), a me kahi mea e pōmaikaʻi ai mai ka microstructure PM. E noʻonoʻo i nā sprockets mīkini kaʻa, nā mea hana mana, a i ʻole nā ​​mea laka. No nā prototype hoʻokahi a i ʻole nā ​​puke haʻahaʻa loa, ʻoi aku ka maikaʻi o ka mīkini ʻana mai ka paʻa, ʻoiai inā he mea makehewa. He kumuhana mau ka hoʻopaʻapaʻa ʻana o ka wā hoʻomaha.

ʻO kahi e ʻālohilohi maoli ai ʻo ia i nā hui waiwai ʻaʻole hiki iā ʻoe ke maʻalahi ma kahi ʻē. ʻO ka hana ʻana i kahi ʻāpana me kahi ʻano gradient — e ʻōlelo, ʻo kekahi ʻaoʻao i waiwai i ke keleawe no ka maikaʻi o ka hoʻokele wela a ʻo kekahi ʻaoʻao he kila maʻamau no ka ikaika-hiki ke hiki i ka pōʻai paʻi-sinter hoʻokahi me ka hoʻolālā make akamai a me ka waiho ʻana i ka pauka. Ua hoʻāʻo mākou me kahi lubricating bearing e like me kēia, me ka hoʻohana ʻana i kahi hale hao porous i hoʻokomo ʻia me kahi polymer. Ua hana, akā, ʻo ka hoʻomalu mau ʻana i ka hohonu o ka infiltration he paʻakikī ʻaʻole mākou i hoʻopau piha no ka hana nui.

Ke nānā nei i ka ʻāina ākea, ʻo ka hui pū ʻana ma waena o nā mea hana PM a me nā mīkini kikoʻī ka mea e hāʻawi ai i kahi mea hana. ʻO kahi paʻa like Qingdao Qiangsenyuan Technology Co., Ltd. hōʻike i ka mana o lalo e hiki ai iā PM ke kūpono no nā noi pololei. Hana mākou i ka ʻupena kokoke me kona mau waiwai waiwai; lawe lākou iā ia i kona hopena hope loa a me ka hopena o ka honua. He lima ia e pono ai ka hoʻomaopopo like ʻana—ʻo ka ʻike he ʻokoʻa ka ʻili i hoʻopaʻa ʻia, ʻike i kahi e hiki ai ke porosity, a me ka hoʻoponopono ʻana i nā meaʻai, nā wikiwiki, a me nā ala mea hana e like me ia. ʻO kēlā kamaʻilio, ʻoi aku ma mua o nā mea hana hoʻokahi, ʻo ia ka mea e hoʻohuli ai i ka pauka metala i ʻāpana mīkini hilinaʻi.

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