A na-ekewa ọgwụgwọ okpomọkụ dị n'elu ụzọ abụọ: otu bụ nkwụsị elu na ọgwụgwọ okpomọkụ, nke ọzọ bụ ọgwụgwọ okpomọkụ.Usoro nnwale ike siri ike bụ nke a:
1. elu quenching na tempering okpomọkụ ọgwụgwọ
A na-arụkarị ọgwụgwọ ikpochapụ elu na iwe ọkụ site na kpo oku induction ma ọ bụ ikpo ọkụ ọkụ.The isi oru parameters bụ elu ekweghị ekwe, obodo ike ike na irè obi tara mmiri oyi akwa.Enwere ike iji onye nyocha ike siri ike nke Vickers ma ọ bụ onye nyocha Rockwell maka nnwale ike.Ike nnwale Nhọrọ ahụ metụtara omimi nke oyi akwa siri ike dị irè na ike elu nke workpiece.Enwere igwe hardness atọ metụtara ebe a.
(1) The Vickers hardness tester bụ ụzọ dị mkpa iji nwalee ike nke elu nke ihe arụrụ arụrụ ọkụ.Ọ nwere ike iji ike nnwale nke 0.5-100KG nwalee oyi akwa siri ike ka ọ dị gịrịgịrị ka oke 0.05mm.Izi ezi ya dị elu na ọ nwere ike ịmata ọdịiche dị na workpieces na-ekpo ọkụ.Obere ihe dị iche n'ịdị ike elu, na mgbakwunye, a na-achọpụtakwa omimi nke oyi akwa siri ike dị irè site na onye na-enyocha ihe siri ike nke Vickers, n'ihi ya, ọ dị mkpa iji kwadebe ihe nlele siri ike nke Vickers maka nkeji ndị na-eme nhazi ọgwụgwọ okpomọkụ ma ọ bụ jiri ọnụ ọgụgụ buru ibu. nke elu okpomọkụ ọgwụgwọ workpieces.
(2) Ihe nnwale ike ike Rockwell nke dị n'elu dịkwa mma maka ịnwale ike nke ihe arụrụ arụ ọrụ.Enwere akpịrịkpa atọ maka onye nyocha ike ike Rockwell ịhọrọ site na ya.Ọ nwere ike ịnwale ụdị arụ ọrụ siri ike dị iche iche nke omimi oyi akwa siri ike karịa 0.1mm.Ọ bụ ezie na izi ezi nke onye na-enyocha ihe ike nke elu Rockwell adịghị elu dị ka nke Vickers hardness tester, ọ nwere ike imezu ihe ndị a chọrọ dị ka usoro nchọpụta maka njikwa mma na nyocha iru eru nke ụlọ ọrụ ọgwụgwọ okpomọkụ..E wezụga na, ọ nwekwara àgwà nke mfe ọrụ, adaba ojiji, ala price, ngwa ngwa nha, na kpọmkwem ịgụ nke hardness ụkpụrụ.Enwere ike iji ihe nleba anya Rockwell hardness tester mee ngwa ngwa na-anaghị emebi emebi nke igwe arụrụ arụ ọrụ n'otu n'otu.Ọ bara uru dị ukwuu maka nhazi igwe na ụlọ nrụpụta igwe.Mgbe oyi akwa siri ike ọgwụgwọ okpomọkụ dị n'elu, a pụkwara iji ihe nyocha Rockwell hardness tester.Mgbe ọkpụrụkpụ oyi akwa ọgwụgwọ okpomọkụ bụ 0.4-0.8mm, enwere ike iji ọnụ ọgụgụ HRA mee ihe.Mgbe omimi oyi akwa siri ike Mgbe ọ gafere 0.8mm, enwere ike iji ọnụ ọgụgụ HRC mee ihe.Vickers, Rockwell na elu Rockwell ụkpụrụ ụkpụrụ hardness atọ nwere ike gbanwee n'ụzọ dị mfe n'ime ibe ha, gbanwee ka ọ bụrụ ụkpụrụ, eserese ma ọ bụ ụkpụrụ siri ike nke ndị ọrụ chọrọ, na tebụl ntụgharị kwekọrọ na ọkọlọtọ ISO.Enyerela ọkọlọtọ America ASTM na ọkọlọtọ China GB/T.
(3) Mgbe ọkpụrụkpụ nke oyi akwa siri ike na-ekpo ọkụ karịa 0.2mm, a pụrụ iji ihe nyocha nke Leeb mee ihe, mana ọ dị mkpa ka a họrọ ihe mmetụta ụdị C.Mgbe ị na-atụle, a ga-akwụ ụgwọ nlebara anya na njedebe elu na oke ọkpụrụkpụ nke workpiece.Usoro nha a enweghị Vickers na Rockwell Onye na-anwale ike siri ike bụ nke ziri ezi, mana ọ dabara maka nha saịtị na ụlọ ọrụ mmepụta ihe.
2. ọgwụgwọ okpomọkụ chemical
Chemical okpomọkụ ọgwụgwọ bụ infiltrate elu nke workpiece na atọm nke otu ma ọ bụ ọtụtụ chemical ọcha, si otú na-agbanwe chemical mejupụtara, Ọdịdị na arụmọrụ nke elu nke workpiece.Mgbe quenching na ala okpomọkụ tempering, elu nke workpiece nwere nnukwu ike ike na eyi iguzogide.na kọntaktị ike ọgwụgwụ ike, na isi nke workpiece nwere nnukwu ike na ike.The isi oru parameters nke chemical okpomọkụ ọgwụgwọ workpiece bụ omimi nke obi tara mmiri oyi akwa na elu ike.Ebe dị anya nke ike na-adaba na 50HRC bụ omimi oyi akwa siri ike dị irè.The elu ekweghị ekwe ule nke chemical okpomọkụ mesoo workpieces yiri ike ule nke elu menyụọ okpomọkụ mesoo workpieces.Enwere ike iji ndị na-anwale ike siri ike nke Vickers, ndị na-anwale ike Rockwell elu ma ọ bụ ndị na-anwale ike ike Rockwell.Ihe nnwale ike ịchọpụta, naanị ọkpụrụkpụ nke nitriding toro ka ọ dị gịrịgịrị, n'ozuzu ọ bụghị ihe karịrị 0.7mm, yabụ enweghị ike iji onye nyocha Rockwell hardness tester.
3. ọgwụgwọ okpomọkụ mpaghara
Ọ bụrụ na mpaghara okpomọkụ ọgwụgwọ akụkụ chọrọ elu obodo ekweghị ekwe, mpaghara quenching okpomọkụ ọgwụgwọ nwere ike rụrụ site induction kpo oku, wdg ndị dị otú ahụ akụkụ na-emekarị mkpa akara ọnọdụ nke obodo quenching okpomọkụ ọgwụgwọ na mpaghara ekweghị ekwe uru na ịbịaru, na ekweghị ekwe. a ga-eme nyocha nke akụkụ na mpaghara a họpụtara , ngwá ọrụ nyocha nke siri ike nwere ike iji Rockwell hardness tester iji nwalee uru ike HRC.Ọ bụrụ na oyi akwa siri ike ọgwụgwọ okpomọkụ adịghị omimi, enwere ike iji ihe nnwale Rockwell hardness tester iji nwalee uru ike siri ike nke HRN.
Oge nzipu: Feb-22-2023
