Ke kuhikuhi nei nā mea ʻenekinia i nā bearings Stellite, ʻaʻole lākou e koho wale i kahi mea - ke hana nei lākou i ka ʻae ʻole no ka ʻaʻahu, corrosion, a i ʻole ka hoʻoheheʻe ʻana ma lalo o ke kaomi nui. ʻAʻole hiki i kēlā me kēia hale kūʻai kūkulu hale a me nā hale kūʻai CNC ke hana pono i nā ʻāpana Stellite e kū pono ana i nā koi AMS 5387, ASTM F1537, a i ʻole ISO 4967 - ʻoi aku ka nui o ke koi ʻana o nā geometries i ka mana GD&T paʻa, ka hoʻopau ʻana o ka ʻili ma lalo o Ra 0.4 µm, a me ke kūlike microstructural ma waena o nā pūʻulu wela. Ua ʻike mākou i nā papahana he nui e kū nei i ka hōʻoia prototype no ka mea Hale hana hana stellite ʻaʻole hiki ke hoʻoheheʻe ʻia-machining i hoʻohui ʻia—a ʻoi aku ka maikaʻi, ua hoʻololi ʻia nā māka hoʻoheheʻe kobalt me ka ʻole o ka ʻike ʻana i ka metallurgical.
No ke aha e hāʻule ai nā Stellite Bearings ma mua o ka hoʻokomo ʻana (a pehea e pale aku ai)
ʻAʻole hana ʻia ʻo Stellite e like me ke kila kila. ʻO kona paʻakikī (45-65 HRC as-cast, a hiki i ka 70 HRC ma hope o ka paʻakikī), abrasive carbide network, a me ka haʻahaʻa haʻahaʻa haʻahaʻa e koi ana i nā mea hana kūikawā, ka paʻa paʻa, a me nā ʻāpana hānai / wikiwiki i hoʻopaʻa ʻia i kēlā me kēia hailona-ʻaʻole ma ka papa inoa. I loko o hoʻokahi papahana kūkulu hou ʻana i ka pauma hydraulic, ua hōʻole kahi Tier-1 OEM i ka 37% o nā mea lawe lima piston Stellite e komo mai ana. Ke kumu kumu? Ua hoʻohana ka mea hoʻolako i ka waihona kobalt-nickel generic ma kahi o nā mea AMS 5387 i hōʻoia ʻia—a hoʻokuʻu i ka hoʻomaha ʻana ma hope o ka mīkini. Ka hopena: micro-cracking ma lalo o 3,000 psi cyclic loading i loko o 48 mau hola o ka hoʻāʻo ʻana.
Hoʻomaka mua ka kūleʻa o ka honua maoli—ma ka loaʻa ʻana o nā mea waiwai a me ke kaʻina palapala palapala. He kūpono Hale hana hana stellite pono e hōʻoia i nā palapala hōʻoia maka billet (MTRs) ma mua o ka hoʻolei ʻana, e hoʻomalu i ka lewa umu i ka wā e hoʻolei kālā ai i mea e pale aku ai i ka ʻohi kalapona, a hōʻoia i nā pōʻai mālama wela me nā kiʻi kikoʻī o ka manawa-mehana. ʻAʻohe pōkole. ʻAʻohe mea "maikaʻi maikaʻi".
ʻEhā mau mea hiki ke kūʻai ʻole i loko o kahi hale hana Stellite Bearing
Hoʻomaʻamaʻa mākou i nā mea hoʻolako i kēia mau hiʻohiʻona hana ʻehā-no ka mea e hoʻoholo pololei lākou inā ola kāu ʻāpana i ka lawelawe kula a hāʻule paha i ka wā FAT:
- Hiki ke ʻimi i nā mea i lalo i ka hui hehee: Pono kēlā me kēia ʻāpana Stellite e lawe i nā palapala hoʻopaʻa paʻa paʻa piha—mai ka palapala wili a hiki i ka hōʻike nānā hope loa—me ka helu wela i hoʻopaʻa ʻia a i hōʻailona ʻia paha ma ka ʻāpana ponoʻī.
- Hoʻohui hoʻolei-mikini: He palupalu ka ili o Stellite as-cast. ʻO ka wehe ʻana iā ia ma o ka mīkini ʻana me ka ʻole o ka hoʻoulu ʻana i ka pōʻino o lalo e pono ai ka mana hohonu o ka ʻoki ʻia a me ka hāʻawi ʻana i ka mea hoʻoluʻu i hoʻopaʻa ʻia no nā alloy cobalt-ʻaʻole nā papahana alumini a kila paha.
- ʻO ka nānā ʻana i alakaʻi ʻia e GD&T, ʻaʻole i ka nānā ʻana i ke ʻano: ʻAʻole ʻike ʻia ka ʻae ʻana o ke anawaena 0.02 mm inā ʻaʻole hōʻoia ʻia ke kūlana, ka holo ʻana, a i ʻole ka hoʻomanawanui ʻana o ka profile me ka hoʻohana ʻana i nā CMM calibrated me nā ʻimi noiʻi hōʻoia ISO 10360-2-a hoʻopili ʻia i nā pilina hui hana.
- Hōʻoiaʻiʻo o ka ʻili: Ma waho aʻe o Ra, koi mākou i ka nānā ʻana SEM cross-sectional no nā microcracks kokoke i ka ʻili a me ke koena o ke koʻikoʻi palapala palapala ma o XRD no nā ʻāpana wili koʻikoʻi e like me nā wili pahu winch center shaft a i ʻole nā hale cylinder pump.
Me ka ʻole o nā ʻehā, ke kūʻai nei ʻoe i nā ʻāpana-ʻaʻole ka hōʻoiaʻiʻo hana.
Kahi e hui ai ʻo Precision i ka ʻoiaʻiʻo o ka noi
Ma QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., kūkulu mākou i nā ʻāpana Stellite kahi i koho ʻole ʻia ai ka hemahema: AMS 5387 cobalt alloy 6 mau hale pahū i helu ʻia no 5,000 psi mau hana; ʻO nā nozzles-based T800 e lawelawe ana i ka slurry abrasive ma 120°C; ʻO nā wili ʻaʻa waena maʻamau ʻole no nā winches kaʻa ʻenekinia waho e hana ana ma nā wahi paʻakai, haʻalulu kiʻekiʻe. ʻAʻole kēia mau mea ma waho o ka papa. Loaʻa kēlā me kēia hoʻolālā i ka loiloi hana hana - ʻaʻole wale no ke kumukūʻai, akā no ka pilikia distortion thermal i ka wā o ka mīkini, nā ʻāpana hoʻokaʻawale carbide i nā ʻāpana hoʻolei, a me ke kaʻina hoʻopau maikaʻi loa e mālama i ke koʻikoʻi o ka ʻili.
ʻAʻole mākou "hana i nā ʻāpana Stellite." Hoʻohana mākou i ke kūpaʻa ʻana i ka geometry, ka mea, a me ke kaʻina hana - a laila e hōʻoia me ka ʻikepili: nā hōʻike hoʻāʻo tensile ma ka ASTM E8, nā palapala ʻāina paʻakikī ma nā ʻaoʻao koʻikoʻi, a me ka hoʻāʻo haʻahaʻa hana i kēlā me kēia pōʻai hana i kuhikuhi ʻia e ka mea kūʻai. Pela ke ano a Hale hana hana stellite loaʻa nā kauoha hou—ʻaʻole nā koi kūʻai.
Ke koho ʻana i kāu hoa: E nānā i ka pepa Alloy
E nīnau i kēia mau nīnau ʻekolu ma mua o ka hoʻopau ʻana i kahi mea hoʻolako:
- Hiki iā lākou ke hāʻawi i nā MTR no ka wela *pololei* i hoʻohana ʻia i kāu kauoha—ʻaʻole he pepa alloy generic?
- Ke hana nei lākou i ka hōʻoia paʻakikī i loko o ke kaʻina hana ma hope o ka mīkini hope loa a ma mua o ka hoʻopau ʻana a mālama i kēlā mau moʻolelo?
- E kaʻana like paha lākou i kā lākou GD&T hoʻolālā nānā—me ka hoʻonohonoho datum, ka ʻana o ke ana, a me ke kūlana calibration mea hana-ma mua o ka ʻoki ʻana i ka metala?
Inā "ʻaʻole," "ʻaʻole maʻamau," a i ʻole "e hōʻoia mākou ma hope," e haʻalele. ʻAʻole pili ʻo Stellite i nā mea wale nō - e pili ana i ka hoʻokō ʻia ʻana mai ka heheʻe a hiki i ka metrology. ʻO ka pono Hale hana hana stellite ʻaʻole hāʻawi wale i nā ʻāpana. Hāʻawi ia i ka wānana.
