Ọtụtụ mgbe, a na-emepụta isi ihe mkpuchi ahụ site na nhazi plastik oyi na-atụ, ma e jiri ya tụnyere nhazi ịkpụ, eriri ígwè (waya metal) n'ụdị ngwaahịa ahụ na-aga n'ihu, na-enweghị ịkpụ n'etiti, nke na-eme ka ike nke ngwaahịa dịkwuo mma, karịsịa magburu onwe n'ibu Properties.Oyi isiokwu akpụ usoro na-agụnye ịcha na akpụ, otu - pịa, abụọ - pịa oyi isiokwu na multi - ọnọdụ akpaka oyi heading.An akpaka oyi isiokwu igwe eji stamping, iwe, extruding na mbenata dayameta na ọtụtụ akpụ anwụ. .Simplex bit ma ọ bụ multi-ọdụ akpaka oyi heading igwe na-eji nhazi njirimara 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, nhazi. technology bụ e ji mara oyi isiokwu akpụ bụghị ịkpụ mpempe akwụkwọ oghere n'ọdịnihu, ma na-eji akpaka oyi isiokwu igwe n'onwe ya site mmanya na waya mkpanaka ígwè wayabepụ na iwe iwe (ọ bụrụ na ọ dị mkpa) . Tupu oghere extrusion ahụ, a ghaghị imegharị oghere ahụ. Enwere ike nweta oghere ahụ site n'ịkpụzi. Oghere ahụ adịghị mkpa ịkpụzi tupu iwe iwe, na-ebelata dayameta na ịpị. Mgbe oghere ahụ kwụsịrị, ya A na-ezigara ya na ọdụ ọrụ na-ewe iwe. Nke a ọdụ nwere ike imeziwanye àgwà nke oghere ahụ, belata mmepụta ike nke ọdụ ụgbọ mmiri na-esote site na 15-17%, na ịgbatị ndụ nke ebu. Ihe ziri ezi enweta site na nhazi oyi na-ejikọta ya na ya. nhọrọ nke usoro akpụ na usoro eji eme ihe. Tụkwasị na nke ahụ, ọ na-adaberekwa na njirimara nhazi nke ngwá ọrụ eji eme ihe, njirimara usoro na ọnọdụ ha, nkenke ngwá ọrụ, ndụ na iyi degrees.For high alloy steel eji na oyi na-atụ isiokwu 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 anwụ eruru Ra = 0.025-0.050um, ọ nwere kacha ndụ.
A na-eji usoro oyi na-edozi eriri bolt ahụ, nke mere na screw oghere dị n'ime otu dayameta na-atụgharị site na eriri eri (die), na-emepụta eri ahụ site na nrụgide nke efere eri (die) . A naghị ebipụ eriri plastik nke eriri nke screw, ike na-abawanye, nkenke dị elu na ịdị mma dị n'otu. Iji mepụta eriri n'èzí dayameta nke ngwaahịa ikpeazụ, dayameta achọrọ nke oghere oghere dị iche, n'ihi na ọ na-ejedebe site na nkenke eri, ma ihe mkpuchi ihe na ihe ndị ọzọ. Rolling (roll) ịpị eriri bụ usoro nke ịmepụta ezé eri site na nrụrụ plastik. Rolling waya efere) anwụ, otu akụkụ extrude cylindrical shei, n'akụkụ nke ọzọ na-eme ka shei adiana, ikpeazụ Rolling anwụ na conical udi zigara shei, nke mere na eri akpụ.Rolling (rub) mgbali eri proc.essing nkịtị n'ókè bụ na ọnụ ọgụgụ nke Rolling revolution bụghị nke ukwuu, ma ọ bụrụ na nke ukwuu, na arụmọrụ dị ala, elu nke eri ezé mfe na-emepụta nkewa ma ọ bụ disorderly kechie phenomenon.N Kama nke ahụ, ma ọ bụrụ na ọnụ ọgụgụ nke revolutions bụ oke. obere, eri dayameta dị mfe ida okirikiri, Rolling mgbali abnormal abawanye na mmalite ogbo, na-akpata shortened anwụ life. .Ọ bụrụ na ntụpọ ndị a na-eme na ọnụ ọgụgụ buru ibu, a ga-achọta ha na nhazi nhazi. Ekwesịrị ịchịkọta ọnọdụ nhazi iji chịkwaa isi ihe ndị a na usoro mmepụta.
Elu ike fasteners ga-ewe iwe na iwe dị ka teknuzu chọrọ.The nzube nke okpomọkụ ọgwụgwọ na tempering bụ iji melite keukwu n'ibu Njirimara nke fasteners izute kpọmkwem tensile ike uru na ekwe ike ratio.Heat ọgwụgwọ technology nwere mmetụta dị oké mkpa na. esịtidem àgwà nke elu-ike fasteners, karịsịa ya esịtidem àgwà.Ya mere, iji na-emepụta elu-edu elu-ike fasteners, ọ dị mkpa inwe 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. eriri ịghasa, a na-achọ ngwá ọrụ ọgwụgwọ okpomọkụ ka ọ nwee nnukwu mmepụta ikike, ogo dị elu nke akpaaka na àgwà dị mma nke ọgwụgwọ okpomọkụ.Ebe ọ bụ na 1990s, usoro mmepụta ihe ọkụkụ na-aga n'ihu na-ekpo ọkụ na ikuku nchebe nọ n'ọnọdụ kachasị elu.The ujo-ala ụdị na net-belt ọkụ bụ karịsịa adabara okpomọkụ ọgwụgwọ na tempering nke obere na-ajụ-sized fasteners.Tempering akara ma e wezụga ọkụ akara arụmọrụ dị mma, ma nwere elu ikuku, okpomọkụ, na usoro parameters nke. njikwa kọmputa, akụrụngwa ọdịda mkpu na ngosi ọrụ.A na-arụ ọrụ ngwa ngwa dị elu na-akpaghị aka site na nri - nhicha - kpo oku - quenching - nhicha - tempering - agba na offline akara, n'ụzọ dị irè n'ịhụ na àgwà nke okpomọkụ ọgwụgwọ.The decarburization nke ịghasa eri. ga-eme ka fastener na-ejegharị mbụ mgbe ọ na-ada izute ndị na-eguzogide nke n'ibu arụmọrụ chọrọ, nke ga-eme ka ịghasa fastener hapụ nrụpụta ọrụ na-ebelata ọrụ ndụ. N'ihi na raw material decarbonization, ma ọ bụrụ na annealing na-ekwesịghị ekwesị, ga-eme ka ndị na-arụ ọrụ. raw material decarbonization Layer deepened.N'oge quenching na tempering okpomọkụ ọgwụgwọ, ụfọdụ oxidizing gas bụ usua.lly ada si n'èzí ọkụ. The nchara nke mmanya ígwè waya ma ọ bụ ihe fọdụrụ na waya waya mgbe oyi ịbịaru ga-decompose mgbe kpo oku na ọkụ, na-amụba ụfọdụ oxidizing gas.Steel waya elu nchara, n'ihi na ihe atụ, ọ mere nke. ígwè carbonate na hydroxide, mgbe okpomọkụ ga-agbajikwa n'ime CO ₂ na H ₂ O, si otú ahụ na-eme ka decarburization dịkwuo njọ. Nsonaazụ na-egosi na decarburization ogo nke ọkara carbon alloy ígwè dị njọ karịa nke carbon ígwè, na ngwa ngwa decarburization. okpomọkụ dị n'etiti 700 na 800 degrees Celsius. N'ihi na mgbakwunye na n'elu ígwè waya decomposes na-ejikọta 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 ọkụ gas akara adịghị mma, ga-emekwa ka ndị ịghasa decarbonization njehie. Mgbe a elu-ike bolt bụ oyi gawa, na raw material na annealed decarburizing oyi akwa bụghị nanị ka dị, ma extruded n'elu nke eri,na-akpata mbelata n'ibu Njirimara (karịsịa ike na abrasion mgbochi) n'ihi na elu nke fasteners na mkpa ka obi sie. Tụkwasị na nke ahụ, n'elu decarburization nke ígwè waya, elu na n'ime nzukọ dị iche iche na nwere dị iche iche mgbasa ọnụọgụ, quenching nwere ike ịmepụta n'elu cracks. .Ya mere, iji chebe eri na n'elu nke decarburization na okpomọkụ quenching, kamakwa n'ihi na akụrụngwa e moderately ntekwasa carbon decarburization nke fasteners, gbanwee 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 ikike atọrọ na 0,42% 0,48% amamihe, nanotubes na quenching kpo oku okpomọkụ, otu enweghị ike n'okpuru elu okpomọkụ, iji zere keadighi rarii grains, emetụta n'ibu. Properties.The isi àgwà nsogbu nke fasteners na quenching na quenching usoro are: quenching hardness ezughi oke, isi ike na-enweghị isi; Na-eme ka nrụrụ na-eme ka ọ ghara ịka njọ; Nsogbu ndị dị otú ahụ dị n'ọhịa na-ejikọta ya na akụrụngwa, ikpo ọkụ na ikpo ọkụ.Nhazi ziri ezi nke usoro ọgwụgwọ okpomọkụ na nhazi nke usoro ọrụ mmepụta ihe nwere ike na-ezerekarị ihe mberede dị mma dị otú ahụ.
Oge nzipu: Mee-31-2019