1. Ihe na-esi ike siri ike: Mgbe a na-edobe ihe na-ebugharị cyclic, ihe na-eme nke "mmetụta cyclic strain hardening" ma ọ bụ "ịdị nro cyclic" na-eme, nke pụtara na n'okpuru ụda cyclic njupụta mgbe nile, njupụta nrụgide na-abawanye ma ọ bụ na-ebelata na mmụba nke cyclic. ọnụ ọgụgụ cycles. Mgbe ọtụtụ okirikiri gachara, njupụta nrụgide na-abanye n'ọnọdụ kwụsiri ike cyclic. A na-eme ike ọgwụgwụ nke obere okirikiri nke mkpọchi mkpọchi n'okpuru ọnọdụ na nsogbu ahụ na-adịgide adịgide, na nrụgide siri ike ma ọ bụ dị nro nke eriri eri ahụ ga-emetụta oke nkwụsịtụ. Nchara alloy a na-eji emepụta mkpụrụ akụ bụ nke ihe na-eme ka nsogbu siri ike cyclic. Ịgbasi ike ihe ga-eme ka ike mgbake FN nke eriri eri na-abawanye ma na-abawanye ike ike.
2.The esemokwu n'akuku bụ ihe dị mkpa na-emetụta tightening torque, na ịdị adị nke esemokwu bụ ihe ndabere maka nkịtị ọrụ nke akpọchi nut. Mgbe nut mkpọchi na-arụ ọrụ, enwere nrụgide na esemokwu oche n'elu kọntaktị n'okpuru ike iweghachite ike nke eriri eri. N'oge a na-eji ya eme ihe ugboro ugboro, a na-edobe esemokwu cyclic n'elu kọntaktị, a na-emezikwa ọnọdụ ndị dị nro na nke dị mma na n'ọnụ ya, na-eme ka ọnụọgụ esemokwu dị ntakịrị na mbelata nke kachasị ike nke nut.
3.Due ka n'ichepụta nkà na ụzụ adịghị ike na nkenke ihe mere, e nwere ike ịbụ nkọ nkuku na eri n'ọnụ ma ọ bụ mismatched akụkụ dabara n'etiti akụkụ. N'oge mgbakọ mbụ, enwere ike ịnwe mgbanwe ụfọdụ ma ọ bụ mgbanwe na screw-in na screw-out torque, nke na-achọ ọnụ ọgụgụ ụfọdụ nke na-agba ọsọ iji nweta àgwà ndị ọzọ na-ekpochi nut .
4.Mgbe achọpụtara geometric parameters nke ihe na nut, mgbanwe nke mmechi uru na-enwe mmetụta dị ukwuu na njirimara eji eme ihe nke mkpochi. Ọnụ ahịa mmechi nke buru ibu, ka nrụrụ nke eriri eri ahụ na-abawanye mgbe ọ na-emepe, nke dị elu nke eriri eri ahụ, ihe mgbagwoju anya na-eme ka cyclic hardening phenomen, na ibu FN nrụgide nke ibe eri ahụ, nke nwere usoro nke ịba ụba nke ịghasa torque. N'aka nke ọzọ, obosara nke eriri eri ahụ na-ebelata, ngụkọta mpaghara nke eriri ahụ na-ebelata, esemokwu na bolt na-ebelata, nsogbu nke eriri eri ahụ na-abawanye, na ike ọgwụgwụ nke ala-obere na-ebelata, nke nwere usoro. nke mbenata kacha ịghasa si torque. N'okpuru ihe ejikọtara ọnụ nke ọtụtụ ihe, ọ na-esiri ike ịkọ mgbanwe dị iche iche nke torque kachasị na ọnụ ọgụgụ nke ojiji ugboro ugboro, ọ pụkwara ịhụ ya naanị site na nyocha.
Oge nzipu: Jul-10-2023