N'ime usoro mmepụta ihe, akụkụ ahụ nke na-emepụta ihe na-achọkarị ka ọ bụrụ ihe na-egbuke egbuke.Ịkwalite nkà na ụzụ na-egbuke egbuke nwere ike imeziwanye àgwà na ndụ ọrụ nke ebu ma si otú ahụ kwalite àgwà ngwaahịa ahụ.Isiokwu a ga-ewebata ụkpụrụ ọrụ na usoro nke ịkpụzi polishing.
1. Ebu polishing usoro na-arụ ọrụ ụkpụrụ
Akpụkpọ anụ na-ejikarị nkume mmanụ, wiil ajị anụ, akwụkwọ aja, wdg, nke mere na elu nke ihe ahụ na-emebi emebi ma wepụ akụkụ convex nke elu nke workpiece iji nweta elu dị larịị, nke a na-ejikarị aka eme ihe. .Usoro nke ibu-ezi egweri na polishing chọrọ maka elu elu mma.A na-eji ngwá ọrụ egweri pụrụ iche mee ihe egweri na polishing nke dị oke mma.N'ime mmiri na-egbuke egbuke nke nwere abrasive, a na-agbanye ya n'elu igwe a na-arụ ọrụ iji mee ngagharị rotary dị elu.Ntucha nwere ike nweta oke ala nke Ra0.008μm.
2. The polishing usoro
(1) Polish siri ike
Enwere ike ịchacha mma nke ọma, EDM, egweri, wdg na ihe na-atụgharị elu na-agbagharị agbagharị na ọsọ ọsọ nke 35 000 ruo 40 000 r / min.Mgbe ahụ, a na-egweri nkume mmanụ aka, warara okwute mmanụ gbakwunyere kerosene dị ka ihe na-ete mmanụ ma ọ bụ oyi.Usoro ojiji bụ 180#→240#→320#→400#→600#→800#→1 000#.
(2) Nchacha nke ọma
Semi-finishing na-eji akwụkwọ aja na mmanụ ọkụ.Ọnụọgụ akwụkwọ aja dị n'usoro:
400#→600#→800#→1000#→1200#→1500#.N'ezie, # 1500 sandpaper na-eji naanị nchara akpụ akpụ kwesịrị ekwesị maka ịdị ike (n'elu 52HRC), ọ naghị adabara nchara agbagoro agbagoro, n'ihi na ọ nwere ike imebi n'elu igwe agbagoro agbagoro na enweghị ike nweta nsonaazụ polishing achọrọ.
(3) Nchacha mma
Nchacha nke ọma na-ejikarị tapawa abrasive diamond.Ọ bụrụ na ị na-eji wiil akwa na-egbuke egbuke na-egweri iji gwakọta ntụ ntụ diamond ma ọ bụ tapawa abrasive, usoro a na-egweri bụ 9 μm (1 800 #) → 6 μm (3 000 #) → 3 μm (8 000 #).Enwere ike iji tapawa diamond 9 μm na wiil akwa na-egbuke egbuke wepụ akara ntutu na akwụkwọ 1 200 # na 1 50 0 #.A na-eji mmetụta dị nro na tapawa diamond mee polishing ahụ n'usoro nke 1 μm (14 000 #) → 1/2 μm (60 000 #) → 1/4 μm (100 000 #).
(4) Gburugburu ebe ọrụ na-egbu maramara
Ekwesịrị ịmegharị usoro polishing iche iche na ebe abụọ na-arụ ọrụ, ya bụ, ebe nhazi ebe a na-egweri siri ike na ebe nhazi nke ọma na-ekewapụ, na-akpachapụ anya ka ihicha akụkụ ájá fọdụrụ n'elu nke workpiece na mbụ. usoro.
N'ozuzu, mgbe ike siri ike polishing na mmanụ nkume 1200 # sandpaper, workpiece kwesịrị ka polished ka ihicha na-enweghị uzuzu, n'ịhụ na ọ dịghị uzuzu n'ime ikuku na-arapara n'ahụ ebu n'elu.Enwere ike ime ihe achọrọ n'ụzọ ziri ezi karịa 1 μm (gụnyere 1 μm) n'ime ụlọ polishing dị ọcha.Maka nchacha nke ọma karị, ọ ga-abụrịrị na oghere dị ọcha nke ukwuu, n'ihi na uzuzu, anwụrụ ọkụ, dandruff na ụmụ irighiri mmiri nwere ike kpochapu ebe a na-egbu maramara nke ọma.
Mgbe usoro nhazi ahụ gasịrị, a ga-echebe elu nke workpiece site na ájá.Mgbe usoro polishing kwụsịrị, a ga-eji nlezianya wepụ ihe niile abrasives na lubricants iji jide n'aka na elu nke workpiece dị ọcha, mgbe ahụ, a ga-efesa oyi akwa nke mkpuchi mgbochi nchara n'elu ọrụ ahụ.
Oge nzipu: Jan-10-2021