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stellite 21 hapa

Hāʻule nā ʻāpana Stellite 21-ʻaʻole mai ka hoʻolālā maikaʻi ʻole, akā no ka hoʻohana hewa ʻana i ka loiloi pani. Ua ʻike mākou i ʻekolu mau hui pume hydraulic hopu i loko o 48 mau hola o ka hoʻokomo ʻana no ka mea ke pani stellite 21 hapa i hoʻohālikelike ʻia i nā ana inoa wale nō, ʻaʻole ke kūpaʻa microstructure a i ʻole ka hāʻawi carbide. ʻAʻole ia he hewa machining. ʻO ka hemahema o nā ʻōnaehana waiwai.

No ke aha ʻo Stellite 21 ʻaʻole i "Holo a hele"

ʻO Stellite 21 kahi huila cobalt-chromium-tungsten i hoʻopaʻakikī ʻia e nā carbide eutectic—M7C3 a me M23C6-ʻo ia ka mea e hāʻawi ai i ke kū'ē nui i ka'ā'ī, abrasion, a me ka wela wela. Akā ʻo kāna hana e pili ana i ʻehā mau mea hoʻololi ʻole: ka paʻa paʻa ʻana i ka wā o ka hoʻolei ʻana, ka pōʻai mālama wela ma hope o ka weld, ka hoʻomau ʻana o ka carbide ma ka ʻaoʻao o ka ʻaʻahu, a me ka hoʻopaʻa ʻana i ka metallurgical i loko o nā hoʻonohonoho aahu a uhi paha.

Ma nā hoʻolaha honua maoli, ana mau mākou i nā ʻanuʻu paʻakikī ma mua o 120 HV ma kahi hohonu o 0.5 mm i nā mea pani i hana pono ʻole ʻia. ʻO ia ke kumu he 73% o nā hemahema mua a mākou e ʻike ai i ke kumu hoʻokahi: ua hana ʻia ka ʻāpana mai ka pahu wwught bar ma mua o ka hoʻoheheʻe ʻia ʻana. ʻAʻole i loaʻa i nā mea i hana ʻia ka ʻupena carbide e pono ai no ka hoʻomau ʻana i ke kūʻē ʻana o nā mea ʻeleʻele i loko o nā pamu slurry a i ʻole nā ​​noho valve.

Hōʻike ʻo AMS 5387 i ka hapa liʻiliʻi o ka carbide volume (22–28%), chromium content (27–31%), a me ka tungsten range (3.5–5.5%). Akā naʻe, nui nā mea hoʻolako moku i nā ʻāpana i hōʻoia ʻia iā AMS 5387 i ka wā e hāʻawi ana i ka kemika maoli ma ka ʻaoʻao haʻahaʻa haʻahaʻa—kūpono kemika, hoʻopaʻapaʻa hana. Hōʻoia mākou i kēlā me kēia pūʻulu me ka spectroscopy OES a me ka palapala ʻāina SEM-EDS cross-section ma mua o ka hoʻokuʻu ʻana.

ʻO ke Kaʻina Hoʻololi ʻEhā ʻEhā e pale ana i ka wā hoʻomaha kūʻai

Ua hoʻomohala kā mākou mau ʻenekini kahua i kēia kaʻina ma hope o ke kākoʻo ʻana ma luna o 142 mau mea hoʻololi lole kiʻekiʻe ma waena o nā ʻāpana haʻi ʻaila, nā winch hydraulic moana, a me nā paila piston mining. Hoʻohana ia no ka mea mālama ia i ka hoʻololi ʻana ma ke ʻano he hana hoʻohui ʻōnaehana-ʻaʻole kahi hanana kūʻai ʻāpana.

  • Ka Papa 1: Hooia Interface — E ana i ka paakiki o ka substrate, ka oolea o ka ili (Ra ≤ 0.8 µm), a me ke koena o ke kaumaha. Hoʻopaneʻe ka uhi ʻana o Stellite 21 inā ʻoi aku ka paʻakikī o ka substrate ma mua o 35 HRC me ka ʻole o ka pale nickel interlayer.
  • Māhele 2: Hōʻoia Geometry - E hōʻoia i ka radii koʻikoʻi, nā kihi chamfer, a me ka palahalaha o ka ʻili me ka hoʻohana ʻana i nā mīkini ana hoʻonohonoho. Hoʻonui ka 0.015 mm deviation i ka radius noho i ke kaomi hoʻopili ʻana e 40% i loko o nā pahu hoʻomaha.
  • 'anuʻu 3: Pāʻani Metallurgical - E hōʻoia i ka carbide morphology ma o ka metallography. Hōʻike ʻia ka hoʻolālā ʻae ʻia e hoʻomau, pili pū ʻia M7C3 pūnaewele—ʻaʻole nā mokupuni kaʻawale a i ʻole nā dendrites ʻāpana.
  • 'anu'u 4: hana kuni-i — Holo ma lalo o ka haawe hoʻomalu ʻia no 30 mau minuke ma 60% kiʻekiʻe i helu ʻia ma mua o ka piʻi ʻana. E nānā i ka piʻi ʻana o ka mahana ma waena o ke kikowaena; >12°C nā hōʻailona delta i lawa ʻole ka hoʻopaʻa wela.

Ke hāʻule pōkole nā ʻāpana Catalog maʻamau—a he aha ka mea e hana ai

Hiki i kekahi ke hoʻopaʻapaʻa ʻo nā ʻāpana stellite 21 ma waho o ka papa e hōʻemi i ka manawa alakaʻi a me ke kumukūʻai. Eia nō naʻe, ʻaʻole like nā mea kikoʻī maʻamau me ka mōʻaukala wela pololei, ka carbide orientation, a i ʻole ka wahi hoʻololi hoʻololi i koi ʻia no nā noi koʻikoʻi. Ua hoʻololi mākou i kahi nozzle hoʻoheheʻe cobalt i hāʻule ʻole i loko o kahi pahu hoʻoheheʻe kemika kiʻekiʻe kahi i mau ai ka ʻāpana OEM he 87 mau hola. ʻO ka hoʻololi mua - i loaʻa mai kahi mea hoʻolako maʻamau - i hāʻule i loko o 19 mau hola. Ke kumu kumu? ʻO ka hoʻokaʻawale ʻana o Carbide ma ka piko ma muli o ka paʻa ʻole o ke kuhikuhi ʻana i ka wā o ka hoʻolei ʻana.

Ua hoʻoholo mākou ma ka hoʻololi ʻana i kahi hoʻoponopono hoʻoheheʻe maʻamau: ka hoʻolele kālā me ka hoʻoheheʻe ʻia ʻana, a ukali ʻia e ka HIP consolidation a me ka pololei CNC e hoʻohuli ana i nā lathes multi-axis. Hāʻawi ʻia ka hapa hope i 412 mau hola o ka manawa holo—4.7× OEM ola. Nā mea kōkua nui: ʻo ka hoʻopololei ʻana i ka palaoa e like me ke ala kahe, ka hoʻomau ʻana o ka carbide i hōʻoia ʻia e ka micro-CT scan, a me ka hoʻopau ʻana o ka ʻili i paʻa i ka Ra 0.2 µm ma nā ʻili hoʻopaʻa.

ʻAʻole kēia he manaʻo. Hiki ke hana hou. A pono ia i ka mana ma luna o ke kaulahao waiwai piha—mai ke kemika hoohehee makaala ma o ka nana hope loa. ʻO ia ke kumu e mālama ai kā mākou hale hana i ka hoʻolei ʻana i ka ISO, ka mīkini, a me nā hana metrology ma lalo o hoʻokahi hale. ʻAʻohe lima lima. ʻAʻohe puka ākea.

Ke koho ʻana i kāu hoa hana Stellite 21: ʻEkolu kānana hiki ʻole ke kūʻai aku

Inā pili kāu noi i nā kaomi ma luna o 350 bar, nā wela ma mua o 400°C, a i ʻole nā ​​mea hoʻopaʻapaʻa abrasive me> 15% maʻiʻo paʻa, e kāpae i ka papa inoa. E hoʻopili i kēia mau kānana:

  1. Ke hana nei lākou i loko o ka hale OES a me SEM-EDS hōʻike? Inā ʻae, e noi i nā hōʻike laʻana e hōʻike ana i ka hōʻike ʻana o ka māhele carbide—ʻaʻole wale ka haku mele.
  2. Hiki iā lākou ke kākau i nā pōʻai wela no ka ASTM E290? Pono ʻo Stellite 21 i nā manawa hoʻoluhi pololei ma 1080°C ± 10°C. ʻO ka hoʻokaʻawale ʻana o ± 25°C hoʻololi i nā kinetics hoʻoheheʻe carbide me ka ʻole.
  3. Paʻa anei lākou i ka hiki ʻana o nā mea i ka ʻāpana hoʻoheheʻe kumu? Loaʻa i ka Traceability ka nānā ʻana o ka ladle, ka hoʻolei ʻana i ka lāʻau, a me ka palapala ʻāina paʻakikī ma hope o ka mīkini - ʻaʻole wale ka palapala hōʻoia.

QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. pili i nā kānana ʻekolu i kēlā me kēia stellite 21 ʻāpana hoʻouna. Hoʻohui kā lākou laina hana i ka AMS 5387-compliant cobalt alloy melting, vertical investment casting, five-axis CNC contouring, a me ka CMM-based GD&T verification — ua kākau ʻia me ka ʻike kikohoʻe piha. ʻAʻole lākou e kūʻai aku i nā ʻāpana. Hāʻawi lākou i ka wānana ʻaʻahu-ola.

Manaʻo hope: ʻO ka hoʻololi ʻana he ʻaelike hana

A stellite 21 hapa ʻaʻole ia he mea hoʻohana. He ʻaelike hana i kākau ʻia ma ka cobalt, chromium, a me ka tungsten. ʻO kēlā me kēia micron o ka alignment carbide, kēlā me kēia pae o ka mana wela, kēlā me kēia decibel o ka mīkini hoʻoheheʻe ʻia i ka haʻalulu. E koho i nā hoa hana e mālama i ka pani ʻana ma ke ʻano he ʻenehana metallurgical—ʻaʻole logistic.

E nānā i mua: nā kaʻina hana hoʻoheheʻe hybrid, wānana morphology carbide i alakaʻi ʻia e AI, a me ka hōʻoia māhoe kikohoʻe o nā kiʻi ʻaʻahu e wehewehe i ka hanauna hou o ka hilinaʻi o nā mea lole kiʻekiʻe. E hoʻomaka me ka ʻāpana stellite ʻākau 21—i kēia lā.


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