Musiyano uripo pakati pekugadzira nekukunguruka

Kugadzira kunogona kubvisa hurema hwakadai sekuregedzera-kukanda panguva yekunyungudutsa uye kukwidziridza iyo microstructure.Panguva imwecheteyo, nekuda kwekuchengetedzwa kwesimbi yakazara streamline, iyo mechanic zvimiro zvefogi kazhinji zviri nani pane izvo zvekukanda zvechinhu chimwe chete.Kune zvikamu zvakakosha zvemichina ine hukama ine mutoro wakakwira uye akasimba ekushanda mamiriro, forgings anonyanya kushandiswa kunze kweakareruka maumbirwo anogona kukungurutswa, profiles kana welded zvikamu.

Forging inogona kukamurwa kuita yemahara forging, kufa forging, uye kuvharika kufa forging.

1. Free forging.Uchishandisa kukanganisa kana kumanikidza kukanganisa simbi pakati pepamusoro nepasi anvils (anvils) kuti uwane anodiwa forgings, pane kunyanya manyorero ekugadzira uye mechanic forging.

2. Kufa kuhura.Die forging yakakamurwa kuita yakavhurika kufa forging uye yakavharwa kufa forging.Iyo simbi isina kuvharwa inomanikidzwa uye yakakanganiswa mufogi yekufa neimwe chimiro kuti iwane forgings.Inogona kukamurwa kuita inotonhora musoro, roll forging, radial forging uye extrusion, etc. Mira.

3. Nokuti hapana kupenya mukuvhara kufa kwekugadzira uye kuvhara kushungurudza, chiyero chekushandiswa kwezvinhu chakakwirira.Izvo zvinokwanisika kupedzisa kupedzisa kweakaomesesa forgings neimwe nzira kana akati wandei maitiro.Nekuti hapana kupenya, iyo yekumanikidza-inotakura nzvimbo yekugadzira yakaderedzwa, uye mutoro unodiwa zvakare wakaderedzwa.Nekudaro, zvinofanirwa kucherechedzwa kuti ma blanks haagone kurambidzwa zvachose.Nechikonzero ichi, vhoriyamu yezvivharo inofanirwa kudzorwa zvakanyanya, iyo yakaenzana chinzvimbo chefogi inofa uye kuyerwa kwefogi kunofanirwa kudzorwa, kuitira kuti kuderedze kupfeka kwefogi inofa.

Kukunguruka inzira yekumanikidza iyo simbi billet inopfuura nepakati peya inotenderera inotenderera (yakasiyana maumbirwo).Pamusana pekumanikidzwa kwemapumburu, chikamu chemuchinjikwa chezvinyorwa chinoderedzwa uye urefu hunowedzera.Iyi ndiyo inonyanya kushandiswa nzira yekugadzira yekugadzira simbi.Kugadzirwa kweprofile, mahwendefa uye mapaipi.

Zvinoenderana nekufamba kwechigamba chekukunguruka, nzira dzekutenderedza dzakakamurwa kuita: longitudinal rolling, cross rolling, uye cross rolling.

Iyo longitudinal rolling process inzira iyo simbi inopfuura pakati pemapumburu maviri anotenderera akatarisana, uye deformation yepurasitiki inoitika pakati pawo.

Cross rolling: Mafambiro echimedu chakakungurutswa mushure me deformation inopindirana negwara reiyo roll axis.

Skew rolling: Chidimbu chinomonereka chinofamba mudenderedzwa, uye chidimbu chinokunguruka neakisi yemupumburu hazvina kona yakakosha.

mukana:

Inogona kuparadza chimiro chekukanda chesimbi ingot, kunatsa zviyo zvesimbi, uye kubvisa zvikanganiso zve microstructure, kuitira kuti chimiro chesimbi chive chakaoma uye michina yemagetsi inovandudzwa.

Kuvandudzwa uku kunonyanya kuratidzwa mugwara rekukunguruka, kuitira kuti simbi haisisiri isotropic kune imwe nhanho;iwo mabhubhu, kuputika uye kusununguka kwakaumbwa panguva yekukanda kunogonawo kusungirirwa pasi pechiito chekushisa kwakanyanya uye kumanikidzwa.

Zvakaipa:

1. Mushure mokuputika, iyo isiri-metallic inclusions (kunyanya sulfides uye oxides, pamwe chete nesilicates) mukati mesimbi inomanikidzwa mumashizha matete, uye delamination (interlayer) inoitika.Delamination inoshatisa zvakanyanya kusimba kwesimbi munzvimbo yakakora, uye zvinogoneka kuti kubvaruka kwepakati kunogona kuitika kana weld yadzikira.Nharaunda yemunharaunda inokonzerwa ne weld shrinkage inowanzosvika kakawanda kune goho rekutengesa, iro rakakura kudarika dambudziko rinokonzerwa nemutoro.

2. Kushungurudzika kwakasara kunokonzerwa nekutonhodza kusina kuenzana.Residual stress is the internal self-balanced stress pasina simba rekunze.Zvikamu zvinopisa-zvinoputika zvesimbi zvezvikamu zvakasiyana-siyana zvine zvisizvo zvakasara.Kazhinji, iyo yakakura chikamu chechikamu chechikamu chesimbi, iyo yakakura iyo yakasara kunetseka.Kunyange zvazvo kushushikana kwakasara kuri kuzvidzora, kunoramba kune imwe simba pamusoro pekushanda kwenhengo yesimbi pasi pekuita kwesimba rekunze.Semuenzaniso, inogona kuva nemhedzisiro yakaipa pa deformation, kugadzikana, kuramba kuneta, nezvimwe.

3. Zvigadzirwa zvesimbi zvinopisa hazvisi nyore kudzora maererano nehupamhi uye kumucheto kwehupamhi.Isu tinoziva nezvekuwedzera kwekupisa uye kuderera.Kubva pakutanga, kunyangwe kureba nekukora kuri kusvika pachiyero, pachava nemusiyano wakashata mushure mekutonhora kwekupedzisira.Iyo yakakura mutsauko wakashata, iyo yakakura kukora, iyo inonyanya kuoneka kuita.Nokudaro, nokuda kwesimbi yakakura-hukuru, rutivi rwakafara, ukobvu, kureba, kona, uye mutsara wesimbi haugoni kunyatsojeka.


Nguva yekutumira: Jun-18-2021