Emecha ihu Flange
Emecha ihu flange
Koodu ASME B16.5 chọrọ ka flange ihu (elu elu na ihu dị larịị) nwere ihe siri ike dị iche iche iji hụ na elu a dabara na gasket ma nye akara dị elu.
A na-achọ imecha nke ọma, ma ọ bụ concentric ma ọ bụ gburugburu, na 30 ruo 55 grooves kwa inch na nsonaazụ adịghị mma n'etiti 125 na 500 micro inch. Nke a na-enye ohere maka ọkwa dị iche iche nke imecha elu ka a na-eme ka ọ dị site na flange na-emepụta maka mkpuchi kọntaktị gasket nke flanges metal.
Foto a na-egosi mmecha nke ọma na ihu ewelitere.
Elu ndị kacha eji
Emecha ngwaahịa
Kachasị eji nke ọ bụla flange elu imecha, n'ihi na ọ fọrọ nke nta, adabara niile nkịtị ọrụ ọnọdụ. N'okpuru mkpakọ, ihu dị nro sitere na gasket ga-abanye na njedebe a, nke na-enyere aka ịmepụta akara, na esemokwu dị elu na-eme n'etiti ebe ndị na-emepụta ihe.
Emecha maka flanges ndị a bụ ngwa radius gburugburu 1.6 mm na ọnụego nri nke 0.8 mm kwa mgbanwe ruo inch 12. Maka nha inch 14 ma buru ibu, a na-eji ngwa imi gburugburu 3.2 mm mee ngwụcha ya na nri 1.2 mm kwa mgbanwe.
Spiral Serrated
Nke a bụkwa ihe na-aga n'ihu ma ọ bụ phonographic spiral groove, mana ọ dị iche na njedebe ngwaahịa n'ihi na a na-emepụta oghere ahụ site na iji ngwaọrụ 90-° nke na-emepụta geometry "V" nwere akụkụ 45 °.
Concentric Serrated
Dị ka aha ahụ na-egosi, ngwucha a nwere oghere concentric. A na-eji ngwá ọrụ 90° na serations na-agbaba n'ofe ihu.
Emecha nke ọma
Ngwucha a na-egosi enweghị akara ngwaọrụ pụtara anya. A na-ejikarị emecha ihe ndị a maka gaskets nwere ihu igwe dị ka jaket nwere okpukpu abụọ, nchara dị larịị na metal corrugated. Ebe ndị dị nro na-ejikọta ọnụ iji mepụta akara ma dabere na ịdị larịị nke ihu ndị na-emegide ya iji mee akara. A na-enweta nke a site n'inwe elu kọntaktị gasket nke na-aga n'ihu (mgbe ụfọdụ a na-akpọ phonographic) spiral groove mepụtara site na 0.8 mm radius gburugburu-nosed tool na ọnụego nri nke 0.3 mm kwa mgbanwe na omimi nke 0.05 mm. Nke a ga-eme ka ọ dị njọ n'etiti Ra 3.2 na 6.3 micrometers (125 - 250 micro inch).
Nkwupụta (s) nke onye ode akwụkwọ…
MMIRI dị nro
Ọ dabara maka gasket spiral na gasket na-abụghị ọla?
Kedu ụdị ngwa a bụ ụdị?
A na-ajụkarị ajụjụ ndị a dị n'elu. M na-agbalị ịza azịza ziri ezi.
Ọmarịcha imecha flanges bụ ihe nkịtị maka ala mgbali na / ma ọ bụ nnukwu dayameta pipeline na bụ isi ezubere maka ojiji na siri ike metal ma ọ bụ gburugburu ọnya gaskets.
A na-ahụkarị mmecha dị nro na igwe ma ọ bụ nkwonkwo flanged na-abụghị ọkpọ ọkpọkọ. Mgbe ị na-arụ ọrụ nke ọma, ọ dị mkpa ịtụle iji gasket thinner iji belata mmetụta nke na-asọ oyi na oyi. Ọ ga-kwuru, Otú ọ dị, na ma a thinner gasket na-eji ire ụtọ imecha, na na nke onwe ha, chọrọ a elu mkpakọ ike (ie bolt torque) iji nweta akara.
O nwere ike ịbụ na ị hụla okwu a:
Nhazi nke ihu gasket nke flanges ka ọ rụchaa nke ọma nke Ra = 3.2 - 6.3 micrometer
(= 125 – 250 microinchesAARH)
AARHna-anọchi anya Arithmetic Nkezi Roughness Height. A na-eji ya tụọ ịdị nro (kama ire ụtọ) nke elu. 125AARHpụtara 125 micro inch ga-abụ nkezi elu nke elu na ala nke elu.
63 AARHakọwapụtara maka Njikọ Ụdị mgbanaka.
125-250AARH(a na-akpọ ya ezigbo finish) ka akọwapụtara maka Spiral Wound Gasket.
250-500AARH(ọ na-akpọ ngwaahịa imecha) kpọmkwem maka adụ gaskets dị ka NON Asbestos, Graphite Ibé akwụkwọ, Elastomer wdg Ọ bụrụ na anyị na-eji ire ụtọ imecha n'ihi na adụ gaskets ezuru "ata ata ahụhụ mmetụta" agaghị eme na ya na nkwonkwo nwere ike ịzụlite ntapu.
Mgbe ụfọdụAARHa na-ezokwa aka dị kaRanke na-anọchi anya Roughness Average na pụtara otu ihe ahụ.
Oge nzipu: Jul-06-2020