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Misimboti yakawanda yekutanga abrasive kusarudzwa

Steel corrosion iri kwese kwese, nguva dzese

Kuti udzivise kuparara kwesimbi, nzira yakajairika ndeyokushandisa machira kudzivirira pamusoro pezvigadzirwa zvesimbi.Iyo yepamusoro inofanira kucheneswa isati yavhara kudzivirira.Mazana ezvigadzirwa nemaindasitiri anosanganisira ngarava, matangi ekuchengetera, mabhiriji, zvivakwa zvesimbi, zviteshi zvemagetsi, mota, zvitima, midziyo yemauto, midziyo yemuchadenga, nezvimwe zvinofanirwa kugadziriswa pamusoro usati waputirwa.Metal abrasive ndiyo inonyanya kushanda yekuchenesa svikiro.

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Metallic abrasives

Kazhinji, panepfura simbi (high carbon steel shotuyelow carbon steel shot), simbi grit, simbi, simbi,simbi isina tsvina yakachekwa waya/conditioned shot, grit yesimbi isina tsvina,simbi yakachekwa waya, kutakura simbi yesimbi, etc. High-performance metal abrasives haisi nyore kuputsika, guruva shoma, kushandiswa kwakaderera, kuchenesa kwepamusoro, uye kushanda zvakanaka kwechigadzirwa.Inogona kuderedza zvakanyanya chiyero chekushandisa chekupedzisira mushandisi, nekudaro ichidzikisa mutengo uye kuderedza kuburitswa.

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Saka mubvunzo ndewokuti, ungasarudza sei emhando yepamusoro simbi abrasives?

Kuve nechokwadi chekuti mhedzisiro yekurapwa kwepamusoro yakanyatso kuenderana, iwo maviri epakati zviratidzo zvesimbi abrasives: kuchenesa kushanda uye kushandiswa.

Kusanzwisisana kwakawanda pakusarudza mapfuti esimbi:

Ko simbi yakakandwa inotenderedza iri nani here?

Saizi yechidimbu yakawedzera yunifomu, zviri nani here?

Iyo inopenya kutaridzika, zviri nani?

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Ko simbi yakakandwa inotenderedza iri nani here?

Mhinduro:Kwete.

Mukugadzira nekugadzira mapfuti esimbi, simbi yakanyungudutswa inotonhodzwa kubva pamvura ichienda kune yakasimba, uye inoderera panguva yekutonhodza.Iyi shrinkage inoitwa mune yakasununguka mamiriro, uye hapana chinosimudzwa senge kudururira kukanda kune chikamu chekuwedzera nesimbi yakanyungudutswa uko vhoriyamu mushure mekuderera inoderedzwa, saka elliptical particles ane nzvimbo dzakanyura dzinoonekwa.Rudzi urwu rwezvimedu rwakaita shrinkage yakakwana, uye chimiro hachina kutenderera asi chimiro chakakora.Zvisinei, kana simbi yakapfurwa isati yanyatsobatanidzwa, chimiro chacho hachina kukora, pane hurema hwemukati hwakadai se shrinkage porosity uye shrinkage cavities.

Kukanda simba E = 1/2mv2, kana chimiro chakakora, iine vhoriyamu imwechete, iyo yakakura density mhando M ndeye, simba rekuita rakakura, uye zvakare isiri nyore kutyora.Nenzira iyi, haina kunaka: simbi inotenderera yakapfura zvirinani.

nesgdg (1)

Iko kukura kwezviyo zvesimbi yakapfurwa yakawanda yunifomu, zviri nani here?

Mhinduro:Kwete.

Mumunda wekuchenesa, pamusoro peiyo workpiece inofanira kucheneswa kana kupfapfaidza ichaita makomba panzvimbo yakacheneswa.Chete kana makomba nemakomba akapindirana zvizere, nzvimbo yese inogona kunyatsocheneswa.

Kuwanda kwakaita yunifomu saizi yesimbi yesimbi, zvinotora nguva yakareba kuti isvike pakazara makomba. Pamapfuti esimbi ane imwe particle size yekusanganisa reshiyo, mapfuti makuru esimbi anonyanya kushandiswa kuchenesa, uye pfuti diki dzesimbi. ichachenesa interspace pakati penzvimbo inobatwa nehombe-saizi mapfuti esimbi

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Iyo inopenya kutaridzika, zviri nani?

Mhinduro: Kwete.

Parizvino pane mhando mbiri dzehigh carbon steel shot: single quenching simbi pfuti uye kaviri quenching simbi pfuti.Zvakaoma kusiyanisa kubva kuumbwa, kuoma, uye metallographic chimiro.Zvakadaro, pfuti yesimbi yakadzima kaviri ine zviyo zvakanaka uye hupenyu hwekuneta kwakanyanya, tsanga dzesimbi inodzima inopfurwa dzakakasharara uye hupenyu hwekuneta hushoma. Iyo imwe chete inodzima simbi yakapfurwa haigadziriswe nekudziya nekudzima, iyo Fe3O4 oxide firimu yakaumbwa pa. nzvimbo yacho yakatetepa, inotaridzika zvikuru;nepo simbi yakapfurwa mushure mekurapa kwechipiri kudzima, firimu reFe3O4 riri pamusoro rinowedzera kukora, hariratidzi chiedza, uye haritaridzike richipenya.Saka kupenya kwepamusoro hakurevi zvigadzirwa zviri nani, asi kana iri kaviri kudzima simbi kupfura kana kwete ndiyo inonyanya kukosha nyaya.


Nguva yekutumira: Kubvumbi-20-2021