A na-ekewa anụ ahụ abrasive nke ọma ụzọ atọ: siri ike, ọkara na rụrụ arụ.Enwere ike kewaa ngalaba nke ọ bụla n'ime ọnụọgụgụ, wdg, nke ejiri nọmba nhazi dị iche.Ọnụ ọgụgụ nzukọ buru ibu nkengwá ọrụ abrasive, na-adị nta nke olu pasent nke abrasive nangwá ọrụ abrasive, na obosara nke ọdịiche dị n'etiti irighiri ihe abrasive, nke pụtara na-atọhapụ nzukọ ahụ.N'aka nke ọzọ, ọnụ ọgụgụ ụlọ ọrụ dị ntakịrị, ka nzukọ ahụ na-esiwanye ike.Abrasives na rụrụ anụ ahụ adịghị mfe passivate mgbe eji, na-emepụta obere okpomọkụ n'oge egweri, nke nwere ike ibelata thermal deformation na ọkụ nke workpiece.Mkpụrụ ọka abrasive nke ngwá ọrụ abrasive na nhazi siri ike adịghị mfe ịdapụ, nke bara uru iji nọgide na-enwe ọdịdị geometric nke ngwá ọrụ abrasive.A na-achịkwa nhazi nke ngwá ọrụ abrasive naanị dị ka usoro ihe eji eme ihe na-emepụta ihe n'oge a na-emepụta ya, a naghị atụkwa ya n'ozuzu ya.Superabrasive bonded abrasives na-abụkarị nke diamond, cubic boron nitride, wdg ma jikọta ya na onye na-ejikọta ya.N'ihi ọnụ ahịa dị elu nke diamond na cubic boron nitride na nguzogide dị mma, abrasives a na-ejikọta ya na ha dị iche na nke abrasive bonded abrasives nkịtị.Na mgbakwunye na oyi akwa abrasive nke siri ike, enwere mgbanwe n'ígwé na substrates.Okpokoro nke na-egbuke egbuke bụ akụkụ nke na-arụ ọrụ na-egbutu, ma na-agụnye ihe ndị na-emepụta ihe na ihe njikọ.Matriks na-arụ ọrụ nkwado na-egweri ma mejupụtara ihe ndị dị ka ígwè, bakelite ma ọ bụ seramiiki.
Enwere usoro nrụpụta abụọ maka abrasives metal bond, ntụ ntụ na electroplating, nke a na-ejikarị maka abrasive abrasive bonded.Usoro metallurgy ntụ ntụ na-eji ọla kọpa dị ka ihe nkedo.Mgbe agwakọtara ya, a na-etolite ya site na ịpị ọkụ ma ọ bụ ịpị na ụlọ okpomọkụ, wee gbanye ya.Usoro electroplating na-eji nickel ma ọ bụ nickel-cobalt alloy dị ka metal electroplating, na abrasive na-agbakọta na mkpụrụ dị ka electroplating usoro iji mee ihe abrasive ngwá ọrụ.Ụdị abrasives pụrụ iche gụnyere corundum abrasives sintered na fiber abrasives.A na-eme ngwá ọrụ abrasive corundum sintered site n'ịgwakọta, ịkpụzi, na ịgbanye ihe dịka 1800 ℃ na ntụ ntụ alumina na oke kwesịrị ekwesị nke chromium oxide.Ụdị nke angwá ọrụ abrasivenwere nhazi kọmpat na ike dị elu, a na-ejikwa ya maka nhazi elekere, ngwá ọrụ na akụkụ ndị ọzọ.A na-eji fiber filaments eme ihe ndị na-ekpochapụ eriri afọ (dị ka filament naịlọn) nke nwere ma ọ bụ na-arapara na abrasives.Ha nwere ezigbo ngbanwe ma a na-ejikarị eme ihe maka igwe na-egbuke egbuke na ngwaahịa ha.
A na-eji oyi akwa mgbanwe na-ejikọta matriks na oyi akwa superabrasive, ma mejupụtara ihe nkedo njikọ, nke nwere ike ịhapụ mgbe ụfọdụ.Ihe nkedo a na-ejikarị eme ihe bụ resins, metals, metal plated na ceramics.
Usoro mmepụta nke abrasives jikọtara gụnyere: nkesa, ngwakọta, ịmepụta, ọgwụgwọ okpomọkụ, nhazi na nyocha.Site na ihe nkedo dị iche iche, usoro mmepụta ihe dịkwa iche.Njikọ seramiikingwá ọrụ abrasive tumadi nakweere usoro ịpị.Mgbe ị tụlechara abrasive na ihe nkedo dị ka nha nha nke usoro ahụ si dị, tinye ya na igwekota ka ọ gwakọta ya nke ọma, tinye ya n'ụdị ígwè ahụ, na-akpụzi ngwá ọrụ abrasive oghere na pịa.A na-ekpocha oghere ahụ ma tinyezie ya n'ime ọkụ maka ọkụ, na ọkụ ọkụ na-adịkarị ihe dịka 1300 Celsius.Mgbe a na-eji ihe nkedo na-agbaze dị ala na-agbaze, ọnọdụ okpomọkụ na-adị ala karịa 1000 ° C.Mgbe ahụ, a na-edozi ya nke ọma dịka nha na ọdịdị a kapịrị ọnụ, na n'ikpeazụ, a na-enyocha ngwaahịa ahụ.A na-etolitekarị abrasives na-ejikọta resin na a pịa na ụlọ okpomọkụ, na e nwekwara usoro na-ekpo ọkụ nke na-ekpo ọkụ na nrụgide n'okpuru ọnọdụ okpomọkụ.Mgbe akpụzichara ya, a na-eme ka ọ sie ike na ọkụ ọkụ.Mgbe a na-eji resin phenolic dị ka ihe nkedo, ọgwụgwọ ọgwụgwọ bụ 180 ~ 200 ℃.A na-agwakọta abrasives nke jikọtara rọba na rollers, na-akpụkọta ya n'ime mpempe akwụkwọ dị mkpa, wee were mma ịkụ ọkpọ.Mgbe ịkpụzi, ọ na-vulcanized na a vulcanization tank na okpomọkụ nke 165 ~ 180 ℃.
Oge nzipu: Sep-05-2022
