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Otu esi ahọrọ ihe maka akara igwe?

Otu esi ahọrọ ihe maka akara igwe?

How to select materials for mechanical seals ?


Otu esi ahọrọ ihe maka akara igwe

Ịhọrọ ihe maka akara gị dị mkpa dịka ọ ga-ekere òkè n'ịchọpụta àgwà, ndụ ndụ na arụmọrụ nke ngwa, na ibelata nsogbu n'ọdịnihu.

Nhọrọ nke ihe ndị a na-ejikarị eme ihe maka akara igwe.

1. Mmiri dị ọcha, okpomọkụ nkịtị. Mgbanaka na-akpụ akpụ: 9Cr18, 1Cr13, na-ekpuchi elu cobalt chromium tungsten, nkedo ígwè; Mgbanaka static: resin impregnated graphite, ọla kọpa, phenolic plastic.

2. Mmiri mmiri (nwere sedimenti), okpomọkụ nkịtị. Mgbanaka na-agbanwe agbanwe: tungsten carbide;

Mgbanaka nọchiri anya: tungsten carbide.

3. Mmiri mmiri, okpomọkụ nkịtị na-akpụ akpụ: tungsten carbide, 1Cr13 surfacing cobalt chromium tungsten, nkedo ígwè; Mgbanaka static: graphite resin-pregnated, tungsten carbide, cermet.

4. Mmiri dị ọkụ 100 degrees. Mgbanaka na-ebugharị: tungsten carbide, 1Cr13, cobalt chromium tungsten surfacing, nkedo ígwè; Mgbanaka static: graphite resin-pregnated, tungsten carbide, cermet.

5. mmanụ ụgbọala, mmanụ lubricating, mmiri mmiri hydrocarbons, nkịtị okpomọkụ. Mgbanaka na-ebugharị: tungsten carbide, 1Cr13, cobalt chromium tungsten surfacing, nkedo ígwè; Mgbanaka static: etinyere ya na resin ma ọ bụ tin-antimon alloy graphite, plastik phenolic.

6. mmanụ ụgbọala, mmanụ lubricating, mmiri mmiri hydrocarbon, 100 degrees na-akpụ akpụ mgbanaka: tungsten carbide, 1Cr13 surfacing cobalt chromium tungsten; Mgbanaka static: ọla kọpa ma ọ bụ graphite resin.

7. mmanụ ụgbọala, mmanụ lubricating, mmiri mmiri hydrocarbons, nwere ahụ. Mgbanaka na-agbanwe agbanwe: tungsten carbide; Mgbanaka nọchiri anya: tungsten carbide.

Ụdị na ojiji nke ihe mkpuchi ihe mkpuchi kwesịrị izute ihe achọrọ nke ọrụ mkpuchi. N'ihi mgbasa ozi dị iche iche ka a ga-emechi na ọnọdụ ọrụ dị iche iche nke akụrụngwa, a na-achọ ihe mkpuchi iji nwee mgbanwe dị iche iche. Ihe ndị a chọrọ maka ihe mkpuchi bụ n'ozuzu:

1. Ihe nwere ezigbo njupụta na ọ dịghị mfe ịgbapụta mgbasa ozi.

2. Nwee ike n'ibu kwesịrị ekwesị na ike.

3. Ezi mkpakọ na resilience, obere nrụrụ na-adịgide adịgide.

4. Adịghị nro ma ọ bụ ire ere na oke okpomọkụ, ọ naghị esiri ike ma ọ bụ gbawa na obere okpomọkụ.

5. Ọ nwere ezigbo nguzogide corrosion ma nwee ike ịrụ ọrụ ruo ogologo oge na acid, alkali, mmanụ na mgbasa ozi ndị ọzọ. Mgbanwe olu ya na ike siri ike dị ntakịrị, ọ naghị adabere na elu igwe.

6. Obere ọnụ ọgụgụ esemokwu na ezigbo mgbochi iyi.

7. Ọ nwere ike ijikọta ya na mkpuchi mkpuchi.

8. Ezi ịka nká na-adịgide adịgide.

9. Ọ dị mfe nhazi na nrụpụta, dị ọnụ ala ma dị mfe ịnweta ihe.

Roba bụ ihe a na-ejikarị ejiri akara. Na mgbakwunye na roba, ihe mkpuchi ndị ọzọ dabara adaba gụnyere graphite, polytetrafluoroethylene na akara dị iche iche.



OGE OGE: 2023-12-08

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