Ọtụtụ mgbe, a na-emepụta isi ihe mkpuchi ahụ site na nhazi plastik oyi na-atụ oyi, ma e jiri ya tụnyere nhazi nhazi, eriri ígwè ( waya metal) tinyere ọdịdị nke ngwaahịa ahụ na-aga n'ihu, na-enweghị ịkpụ n'etiti, nke na-eme ka ike nke ngwaahịa ahụ dịkwuo mma, karịsịa ihe ndị dị mma n'ibu. die.Simplex bit ma ọ bụ multi-ọdụ akpaka oyi heading igwe na-eji nhazi e ji mara nke mbụ oghere na-mere nke ihe size 5 ka 6 mita ogologo mmanya ma ọ bụ arọ bụ 1900-2000 n'arọ nke size nke waya mkpanaka ígwè waya, na nhazi technology bụ àgwà nke oyi isiokwu akpụ bụ bụghị ịkpụ mpempe akwụkwọ oghere n'ọdịnihu, ma na-eji akpaka oyi na-atụ osisi blase ígwè n'onwe ya (ọ bụrụ na e ji akpaka oyi na-atụ osisi blase n'elu igwe na-eji ígwè na-eji ígwè na-eji ya eme ihe). dị mkpa).Tupu oghere extrusion, oghere ahụ ga-emegharị ya. Enwere ike nweta oghere site n'ịkpụzi. The oghere adịghị mkpa ịkpụzi tupu iwe iwe, ibelata dayameta na pressing. Mgbe oghere na-ebipụ, ọ na-eziga na-ewe iwe ọrụ station.This ọdụ nwere ike melite àgwà nke oghere, belata akpụ ike nke na-esote ọdụ site 15-17 nke ndụ, na-enwetakwa oyi site n'ụdị preci. a na-ejikọta ya na nhọrọ nke usoro nhazi na usoro eji eme ihe. Tụkwasị na nke ahụ, ọ na-adaberekwa na njirimara nhazi nke ngwá ọrụ eji eme ihe, njirimara usoro na steeti ha, nkenke ngwá ọrụ, ndụ na ejiji ogo. N'ihi na elu alloy ígwè eji na oyi na-atụ isi na extrusion, na-arụ ọrụ n'elu roughness nke siri ike alloy anwụ ekwesịghị ịbụ Ra = 0.2um, mgbe arụ ọrụ n'elu roughness nke ndị dị otú ahụ die-0.5000000 nwere ike iru ndụ.
A na-edozi eriri nke bolt site na usoro oyi, nke mere na ịghasa oghere n'ime otu dayameta na-atụgharị site na efere eri (anwụ anwụ), a na-emepụta eri ahụ site na nrụgide nke efere eri (die) . A na-ejikarị ya eme ihe n'ihi na a naghị ebipụ eriri plastik nke eriri nke skru, ike na-abawanye, nkenke dị elu na àgwà bụ otu. Ntughari ihe, ma ihe ndi ozo na ihe ndi ozo. isi na-eme ihe na-emekarị bụ na ọnụ ọgụgụ nke Rolling revolution bụghị nke ukwuu, ma ọ bụrụ na ukwuu, na arụmọrụ dị ala, elu nke eri ezé mfe na-emepụta nkewa ma ọ bụ disorderly ikechie phenomenon.N Kama nke ahụ, ma ọ bụrụ na ọnụ ọgụgụ nke revolutions dị oke obere, eri dayameta dị mfe ida okirikiri, Rolling mgbali abnormal abawanye na mmalite ogbo, n'ihi na shortened anwụ ndụ. eriri; Eriri ahụ si na gburugburu. Ọ bụrụ na ntụpọ ndị a na-eme na ọnụ ọgụgụ buru ibu, a ga-achọta ha na nhazi nhazi.
Elu ike fasteners ga-ewe iwe na iwe dị ka teknuzu chọrọ.The nzube nke okpomọkụ ọgwụgwọ na tempering bụ melite keukwu n'ibu Njirimara nke fasteners izute kpọmkwem tensile ike uru na ekwe ike ratio.Heat ọgwụgwọ technology nwere oké mkpa mmetụta na esịtidem àgwà nke elu-ike fasteners, karịsịa ya n'ime mma. Ya mere, iji na-emepụta elu-edu elu-ike fasteners, ọ dị mkpa ka nwere elu okpomọkụ ọgwụgwọ technology equipment.Due ka nnukwu mmepụta ikike na ala price nke elu-ike bolts, nakwa dị ka dịtụ mma na kpọmkwem Ọdịdị nke ịghasa eri, na okpomọkụ ọgwụgwọ ngwá na-achọrọ na-enwe nnukwu mmepụta ikike, elu ogo nke akpaaka na ezi àgwà nke okpomọkụ ọgwụgwọ, ebe ọ bụ na a na-echebe usoro okpomọkụ na-aga n'ihu na usoro 19 na-aga n'ihu. ọnọdụ. Ụdị ujo-ala na net-belt ọkụ na-adabara karịsịa maka ọgwụgwọ okpomọkụ na okpomọkụ nke obere na ọkara-sized fasteners.Tempering akara ma e wezụga ọkụ akara arụmọrụ dị mma, ma nwekwara elu ikuku, okpomọkụ, na usoro parameters nke kọmputa akara, akụrụngwa ọdịda mkpu na ngosi ọrụ.Elu-ike fasteners a na-arụ ọrụ na-akpaghị aka site na-ehicha ihe - na-ekpo ọkụ na-acha na-anọghị n'ịntanetị - ihicha, na-ekpo ọkụ n'ahịrị - ihicha - n'ịntanetị. n'ụzọ dị irè n'ịhụ na àgwà nke okpomọkụ treatment.The decarburization nke ịghasa eri ga-eme ka fastener na njem mbụ mgbe ọ na-ada izute ndị na-eguzogide nke n'ibu arụmọrụ chọrọ, nke ga-eme ka ịghasa fastener hapụ nrụpụta ọrụ na shorten the service life.Because of the raw material decarbonization, ma ọ bụrụ na annealing na-adịghị kwesịrị ekwesị, ga-eme ka raw onwunwe decarbonization na-eme ka okpomọkụ na-ekpo ọkụ ụfọdụ decarbonization oyi akwa na-eme ka okpomọkụ decarbonization ụfọdụ na-eme ka okpomọkụ na-ekpo ọkụ. gas na-emekarị wetara si n'èzí ọkụ. The nchara nke mmanya ígwè waya ma ọ bụ ihe fọdụrụnụ na waya waya mgbe oyi ịbịaru ga-decompose mgbe kpo oku na ọkụ, na-amụba ụfọdụ oxidizing gas. Steel waya elu nchara, ihe atụ, ọ mere nke ígwè carbonate na hydroxide, mgbe okpomọkụ ga-agbajikwa n'ime CO ₂ na H ₂ na-eme ka ihe na-eme ka decompose na-esi na ya pụta. ogo nke ọkara carbon alloy ígwè dị oké njọ karịa nke carbon ígwè, na ndị kasị decarburization okpomọkụ dị n'etiti 700 na 800 degrees Celsius. N'ihi na mgbakwunye na n'elu ígwè waya decomposes na jikọtara n'ime carbon dioxide na mmiri na a ngwa ngwa ọsọ n'okpuru ụfọdụ ọnọdụ, ma ọ bụrụ na-aga n'ihu ntupu eriri ọkụ gas akara bụ ihe kwesịrị ekwesị, ga-eme ka ịghasa headt acha anụnụ anụnụ na-na-emehie ihe, mgbe oyi na-adịghị na-na-emehie ihe. annealed decarburizing oyi akwa bụghị naanị ka dị, ma na-extruded n'elu nke eri, na-akpata na-ebelata n'ibu Njirimara (karịsịa ike na abrasion eguzogide) n'ihi na elu nke fasteners na mkpa ka hardened.Na mgbakwunye, na elu decarburization nke ígwè waya, elu na esịtidem nzukọ dị iche iche na nwere dị iche iche mgbasa ọnụọgụ, quenching nwere ike na-emepụta n'elu ala cracks na n'elu na-echebe eri nke okpomọkụ. quenching, kamakwa n'ihi na akụrụngwa e moderately ntekwasa carbon decarburization nke fasteners, tụgharịa uru nke ntupu eriri ọkụ ọkụ na-echebe ikuku na isi hà mbụ carbon ọdịnaya na carbon mkpuchi akụkụ, ama decarburization fasteners ji nwayọọ nwayọọ laghachi na mbụ carbon ọdịnaya, carbon nwere ka atọrọ na 0,42% 0,48% amamihe, nannchotubes n'okpuru okpomọkụ na-ekpo ọkụ na-ekpo ọkụ, na-enweghị ike izere okpomọkụ na okpomọkụ , nannchotubes na elu okpomọkụ. ọka, na-emetụta n'ibu Njirimara.The isi àgwà nke fasteners na quenching na quenching usoro bụ: quenching hardness bụ ezughi oke;Uneven hardening hardness;Quenching deformation overshoot;Quenching cracking.Nsogbu ndị dị otú ahụ n'ọhịa na-emekarị metụtara akụrụngwa, quenching kpo oku na quenching jụrụ. Nhazi ziri ezi nke usoro ọgwụgwọ okpomọkụ na nhazi nke usoro ọrụ mmepụta ihe nwere ike na-ezere ụdị ihe mberede dị mma.
Oge nzipu: Mee-31-2019