Vickers hardness bụ ọkọlọtọ maka igosipụta ike nke ihe ndị British Robert L. Smith na George E. Sandland tụpụtara na 1921 na Vickers Ltd. Nke a bụ usoro ule siri ike ọzọ na-eso ụzọ Rockwell hardness na Brinell siri ike ule.
1 ụkpụrụ nke Vickers hardness tester:
Ihe nleba anya siri ike nke Vickers na-eji ibu 49.03 ~ 980.7N ka ịpịnye onye omekome diamond nwere akụkụ nwere akụkụ nke 136 Celsius n'elu ihe.Mgbe idowechara ya ruo oge a kapịrị ọnụ, tụọ ntinye ya na diagonally.Ogologo ahịrị, wee gbakọọ uru ike ike Vickers dịka usoro ahụ siri dị.
2.Load ngwa nso:
01: The Vickers hardness tester na ibu nke 49.03 ~ 980.7N kwesịrị ekwesị maka nha ike nke nnukwu workpieces na elu elu elu;
02: Obere ibu Vickers siri ike, nnwale nnwale <1.949.03N, dabara adaba maka nha ike nke workpieces dị mkpa, ebe akụrụngwa ma ọ bụ mkpuchi;
03: Micro-Vickers siri ike, nnwale nnwale <1.961N, dabara maka nha ike nke foils metal na akwa elu dị oke mkpa.
Na mgbakwunye, nke ejiri akara Knoop, ọ nwere ike tụọ ike Knoop nke ihe ndị siri ike dị ka iko, seramiiki, agate, na nkume dị egwu.
Uru 3 nke Vickers hardness tester:
1) Oke nha dị obosara, sitere na ọla ndị dị nro na ndị na-anwale ike siri ike ruo ọla siri ike, na nha nha sitere na ọnụọgụ siri ike ruo puku atọ ruo puku atọ Vickers.
2) Indentation dị obere ma ghara imebi workpiece.Enwere ike iji ya maka nnwale ike nke workpieces nke elu ya enweghị ike imebi.
3) N'ihi obere ule nnwale ya, ike nnwale kacha nta nwere ike iru 10g, yabụ ọ nwere ike ịchọpụta ụfọdụ ihe dị mkpa na obere ọrụ.
4 Ọdịmma nke Vickers hardness tester: E jiri ya tụnyere Brinell na Rockwell siri ike ule ụzọ, Vickers hardness ule nwere ihe ndị a chọrọ maka ire ụtọ nke workpiece elu, na ụfọdụ workpieces mkpa ka polished, nke na-ewe oge na-arụsi ọrụ ike;mmezi Ihe nnwale ike siri ike bụ nke ziri ezi na ọ dịghị mma maka ojiji na ogbako ma ọ bụ na saịtị.A na-ejikarị ya na ụlọ nyocha.
5 Vickers hardness tester series
1) Economical Vickers hardness tester
2) Digital ngosi ihuenyo mmetụ Vickers hardness tester
3) Ihe nlebanya ike ike Vickers zuru oke
Oge nzipu: Dec-15-2023
