Mgbe ndị injinia kwuru Stelite 20 maka akwa akwa akwa, oche valvụ dị elu, ihe mgbapụta mgbapụta, ma ọ bụ mgbanaka nozzle turbine, ha anaghị ahọrọ naanị alloy dabere na cobalt - ha na-ahọrọ ihe na-achọ nkenke na ma igwe na igwe. Ma isi mmalite a pụrụ ịdabere na ya Ụlọ ọrụ Stelite 20 Ndị mmekọ ka bụ ihe ịma aka na-adịgide adịgide. Anyị ahụla ọtụtụ ọrụ ka egbuola oge-ọ bụghị site na mmejọ imewe, kama site na ọgwụgwọ okpomọkụ na-ekwekọghị ekwekọ, ngwaahịa adịghị akwadoro, ma ọ bụ nfegharị akụkụ mgbe enyemaka nrụgide gasịrị. Na sistemu hydraulic nke na-arụ ọrụ na mmanya 700+, ngbanwe 0.015 mm na oche plọg Steellite 20 nwere ike ịkpalite mgbawa akabeghị aka. Otu ogbe nwere nkewa carbon-spec emebiela usoro mmepụta ihe niile maka mgbapụta mgbapụta mmiri dịpụrụ adịpụ.
Kedu ihe kpatara Stelite 20 abụghị naanị "Superalloy ọzọ"
Edepụtaghị Stelite 20 site na mkpokọta cobalt-chrome. Ọrụ ya dabere na njikwa siri ike nke mgbanwe anọ na-adabere na ya: chromium (28-32%), tungsten (4-6%), carbon (0.2-0.4%), na carbide morphology. Wepụ n'èzí windo ndị ahụ-ma karịsịa ma ọ bụrụ na netwọk eutectic carbide na-emepụta ihe na-adịghị mma, eriri jikọtara ọnụ kama ịdị mma, ihe ndị gbasasịrị - ị na-efunahụ iguzogide galling, micro-pitting, na thermal ike ọgwụgwụ. Nnyocha ọdịda ụwa n'ezie na-egosi ọtụtụ ọdịda ubi na-esochi azụ n'otu ihe kpatara ya: enweghị nkwekọ ihe onwunwe, ọ bụghị akụkụ geometry. Ọ bụ ya mere ndị ọrụ ọkwa elu anaghị ajụ "Ị nwere ike iji Stelite 20?" They ask “How do you verify every lot’s as-cast microstructure? Where does your AMS 5387-certified ingot come from? Do you retain full chemical and thermal history traceability per casting?”
Kedu ihe na-ekewa ezigbo ụlọ ọrụ 20 Stelite na onye isi igwe
A eziokwu Ụlọ ọrụ Stelite 20 nwere usoro agbụ - ọ bụghị naanị ịkpụ ikpeazụ. Ọ na-amalite na AMS 5387 ma ọ bụ T800-ọkwa billet, kwadoro site na OES na PMI tupu agbaze. Ihe nkedo itinye ego ga-eji akwa seramiiki shei nwere ike ijide ±0.05 mm nnabata na mpaghara nwere obere mgbidi — enweghị ụzọ mkpirisi nkedo ájá. Ọgwụgwọ okpomọkụ abụghị nhọrọ; ngwọta annealing na 1175 ° C ± 10 ° C na-esote nke ikuku jụrụ oyi na-achịkwa bụ iwu na-agbari nke abụọ carbide na-enweghị overgraining. Mgbe ahụ, akụkụ siri ike na-abịa: machining. Stelite 20 siri ike (40-45 HRC dị ka ihe nkedo) yana ike na-arụsi ọrụ ike na-achọ ikpo okwu CNC 5-axis siri ike nwere coolant site na spindle, ngwa carbide emebere maka cobalt alloys, yana ọnụego nri edoziri iji zere ihu wulitere. Otu nzọụkwụ na-ezighi ezi-ntinye na-adịghị mma, oge ịnọrọ ogologo oge-na-emepụta microcracks n'elu nke na-aghọ ebe mmalite n'okpuru ibugharị cyclic.
- Nchọpụta ihe onwunwe: Ngwa Stelite 20 ọ bụla na-ebu ID pụrụ iche jikọtara ya na ndekọ gbazee ya, eserese okirikiri okpomọkụ, yana akụkọ nyocha CMM.
- Nkwụsi ike akụkụ: Nchekwa mgbakasị ahụ na-eme ka igwe mechaa na-egbochi iwe iwe na flange dị gịrịgịrị ma ọ bụ ogwe ogologo.
- Izi ezi n'elu: No grinding burns; Ngwucha niile na-eji usoro okpomọkụ dị ala dị ka honing ma ọ bụ electropolishing
- Nkwado ọrụ: A na-anwale akụkụ ndị dị mkpa, nyocha ihe na-esiji esiji, na nkewa ike-ọ bụghị naanị nlele anya.
Ọnụ nke nkwekọrịta - na ihe kpatara na ọ dịghị mgbe ọ dara ya
Ụfọdụ ndị na-azụ ahịa na-achụ nta ego dị ala site na ịnakwere ihe nhata Stelite 20 nke a na-achụpụ site na scrap na-akwadoghị ma ọ bụ na-arụ ọrụ n'ọtụtụ akụkụ nke ngwa ụlọ ahịa ọrụ. Nsonazụ ahụ? Ọnụ ego nwe ya dị elu karịa. Anyị na-esochi OEM hydraulic atọ nke North America bụ ndị gbanwere ndị na-eweta ngwaahịa iji chekwaa 12% kwa otu. N'ime ọnwa 18, mmadụ abụọ kọrọ na 23% ọnụego ọdịda ubi dị elu na ụlọ piston pump cylinder. Mgbọrọgwụ ihe kpatara ya: mgbasa nke carbide na-ekwekọghị ekwekọ mere ka eyi ngwa ngwa na mpaghara ọrịa strok na-aṅụ. Dochie nkeji dara ada na-eri 4.7× ọnụ ahịa akụkụ mbụ—gụnyere mbelata oge, ọrụ na akwụkwọ ikike. Ka ọ dị ugbu a, ndị ahịa ndị jikọtara ọnụ na kwụ ọtọ Ụlọ ọrụ Stelite 20 arụmọrụ hụrụ pụtara oge n'etiti ọdịda na-abawanye site na 310% n'ofe mgbakọ mgbapụta na valvụ manifolds.
Na-ele anya n'ihu: Ebe nkenke na-ezute amụma
Mpaghara na-esote abụghị naanị iji akụrụngwa siri ike - ọ na-etinye amụma amụma n'ime usoro ọ bụla. Ndị na-eduga Stelite 20 na-emepụta ugbu a na-ejikọta dijitalụ ejima workflows: nkedo ịme anwansị validates ebu jupụta na solidification tupu mbụ wuo; on-usoro thermal onyogho na-akwado otu kpo oku n'oge annealing; Atụmatụ ụzọ CMM na-enyere AI aka na-ebelata oge nyocha site na 38% na-achụghị mkpuchi. Maka ihe ndị dị mkpa dị mkpa, nke a pụtara ihe ịtụnanya efu na FAT-ma ọ bụ n'ọhịa. Dị ka akụrụngwa mmanụ na-aga n'ihu na ndụ ọrụ awa 20,000 na nfuli mmiri na-arụ ọrụ na 150 ° C na-aga n'ihu, ntụkwasị obi abụghị ihe na-achọsi ike. A na-ahazi ya, enyocha ya, ma dekọọ ya—akụkụ n'akụkụ, ọtụtụ site n'ife nza, site n'afọ ruo n'afọ.
