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Ike ngwa ngwa na nsogbu nkịtị

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Nkewa nke ibu ọrụ maka fastener torque

1. PATAC na-ahụ maka ịtọhapụ torque na-agbanwe agbanwe na ihe mbụ static torque.PATAC weputara ọkọlọtọ torque ike dị ka ihe chọrọ imewe si dị, jikọtara ya na nsonaazụ nnwale yana nsonaazụ ule okporo ụzọ.

2. ME na-ahụ maka ịtọhapụ static torqueDịka ike na-agbanwe agbanwe nke PATAC wepụtara, a na-edozi ike nke ngwa ngwa ngwa ngwa na uru Nominal nke ọkọlọtọ torque dị ike na ahịrị mmepụta.Mgbe ahụ, a na-atụle torque static dị ka usoro mmepụta nkịtị si dị.N'iji usoro ndekọ ọnụ ọgụgụ (30 set nke data), a na-enweta Nominal na ndidi nke ọkọlọtọ torque static, na-enwetakwa ọkọlọtọ torque static.

Ọkpụkpọ ike na-agbanwe agbanwe na usoro ederede torque static

1. Dynamic torque

D nominal+/- ndidi NM ;Edere torque dị ike n'ụdị aha +/ ndidi dị ka D30+/-5nm;Enweghị ohere n'etiti D na 30+/-5NM;Ebe D na-anọchi anya Dynamic;NM bụ nkeji nke torque: Newton.Mita;ndidi kwesịrị ịbụ ndidi n'ụdị na e kwesịghị ịtọ ya n'ụdị nnabata asymmetric elu na ala.Dịka ọmụmaatụ, D30 + 3 / -5NM adịghị mma. N'ime mmepụta ihe, uru na-agbanwe agbanwe nke ngwa ngwa ngwa ngwa kwesịrị ịbụ aha, ma ghara ịpụpụ na ọnụ ahịa ọnụ ọgụgụ na-ama ụma;

2. Static torque

SA-BNM;Ekwesịrị ka edepụta oge kwụ ọtọ dịka ụdị dị iche iche dịka: S25-35NM;Enweghị ohere n'etiti S na 25-30NM;Ebe S na-anọchi anya Static;A na-anọchi anya oke ala nke torque static, B na-anọchi anya oke elu nke torque static;NM bụ nkeji nke torque: Newton.Mita;

Ọkpụkpọ ike na-agbanwe agbanwe na usoro ederede torque static

3. Dynamic torque of self-seils mbọ aka na-anọdụ ala n'okpuru ọkọlọtọ FDSNS (Fully DrivenSeated Not Stripped) .Dịka ọmụmaatụ: D1.5 +/- 0.5NM S1NM MIN FDSNSWhere D na-anọchi anya Dynamic (dynamic);Oghere na-esote; 1.5+/- 0.5NM na-egosi oke nke torque ike, 1.5NM bụ naanị maka ntụnye aka n'ezie torque setịpụrụ na mmepụta, ekwupụtaghị ya dị ka uru aha.A na-edozi ezigbo ike nke na-eme ihe na-arụ ọrụ site na mmepụta dịka ọnọdụ n'ezie nke égbè na-agbanwe agbanwe, ma ọ ghaghị ijide n'aka na ọkọlọtọ FDSNS (Fully Driven SeatedNot Stripped, ya bụ, ezé adịghị agbapụ) N'ikpeazụ, rịba ama FDSNS. (Enweghị achụpụ nke ọma).

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Ihe ndị na-emetụta torque dị ike

Mgbe mwube ike torque, tụlee ọ bụghị naanị fasteners, kamakwa fasteners na fastener tools.The ike ike torque dị oke obere, nke dị mfe ime ka loosening na ike ọgwụgwụ mgbaji, na-adịghị mma na-emepe emepe nwere ike nke fasteners;The ike torque dị oke ibu, nke dị mfe ime ka fasteners na-amịpụta, ọbụna na-agbaji, na-amịpụ ezé, na-echi ọnụ n'ala site fasteners.The ihe ike ike, elu roughness, elu esemokwu ọnụọgụ na Ọdịdị nke fastener ga-emetụta ike torque chọrọ. .N'otu oge ahụ, ọ dịkwa mkpa iji tụlee ike nke fastener iji jide n'aka na ọ gaghị emebi emebi, wee nweta oke ike nke ihe nkedo ahụ nwere ike idi. ihe nkedo.Opekempe kacha nta ike torque kwesịrị hụ na ọ bụghị rụrụ na usoro nke ndị ahịa na-eji, na kacha torque kwesịrị hụ na fastener na fastener adịghị ada (dị ka ikweta, na-agbaji, slipping, ngwepịa, deformation, wdg). Iji nye egwuregwu zuru oke maka ịrụ ọrụ nke fasteners, axial preload nke fasteners kwesịrị ịdịkarịa ala 50 ruo 75% nke ibu ihe eji eme ya.

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Oge nzipu: Sep-21-2023