Ⅰ.Rwo pfungwa yekutanga yekupisira kurapwa.
A.Ikuti pfungwa yekutanga yekupisa kurapwa.
Zvinhu zvakakosha uye mabasa eKupisa kurapwa:
1.HeaT
Chinangwa ndechekuwana yunifomu uye yakanaka Austenite chimiro.
2.Bed
Chinangwa ndechekuti uve nechokwadi chekuti basa rekushanda rakanyatsoponeswa uye kudzivirira kuderera uye oxidation.
3.cooling
Chinangwa ndechekushandura Austenite kuita madziva akasiyana.
MicroTeverals mushure mekupisa kurapwa
Munguva yekutonhorera yekudzora mushure mekudziya uye kubata, iyo autenite inoshandura kuita mitezo dzakasiyana siyana zvichienderana nemhando inotonhorera. Maitiro akasiyana ezvigadzirwa anoratidza zvinhu zvakasiyana.
B.Ruzivo rwekutanga rwekupisira kurapwa.
Kuiswa kwakavakirwa pakupisa uye nzira dzekutonhora, pamwe neocrocture uye zvivakwa zvesimbi
1.conventian yekupisa kupisa kurapa (zvakazara kupisa kurapwa): kutsamwa, inosimbisa, yakajairika, kudzima, kudzika
2.Surface Heat Kurapa: Specurn Kubvisa, Induction Inodziya Pasi pemvura, murazvo unodziya quenching, yemagetsi yekudzora kupisa kwemhepo.
3.Mahemical kupisa kurapwa: carbrezzing, nitrizing, carbonitrid.
4.therning kupisa kurapa: inodzorwa mamiriro ekunze ekupisa kurapwa, vacuum heat kurapwa, deformation kupisa kupisa.
C.kairtic tembiricha yemanyoro
Iko kushandurwa kwakakosha kwekushisa kwesimbi izanganisi anokosha wekusarudza kupisa, kubata, uye maitiro ekutonhora panguva yekushambadzira. Iyo inotemwa neiyo iron-carbon phose dhizaini.
Mhedzisiro Yakakosha:Iyo chaiyo yekutsoropodza transform tembiricha yesimbi inogara ichisvetuka kuseri kweiyo fungidziro yekushambadzira transformation tembiricha. Izvi zvinoreva kuti kunyanyisa kunodiwa panguva yekupisa, uye undercooling kunokosha panguva yekutonhora.
Ⅱ.anenealis uye yakajairika yesimbi
1. Tsanangudzo yekuwedzera
Kuwedzerwa kunosanganisira kupisa simbi pamusoro pe tembiricha pamusoro kana pasi peiyo pfungwa yakaoma AC₁ inobata iyo tembiricha, uyezve zvishoma nezvishoma ichidzora, kazhinji mukati mevira, kuti uwane chimiro chepedyo nekuenzana.
2. Chinangwa chekunze
①Ad SUTTUT Urefu hweMachining: Kuzadzisa kuomesesa kuomesesa mune huwandu hweHB170 ~ 230.
Èrelieve inosara kushushikana: inodzivirira deformation kana kupaza panguva inotevera maitiro.
③REfine zviyo zviyo: inovandudza microcture.
④PREPALITATE YEMUFANANIDZO WEKUPEDZISIRA KUSVIRA: Inowana Granular (Spheroidized) Pearlite yekudzokorora kwakazadziswa uye nekutsamwa.
3.sphiidizing Annealing
Maitiro echokwadi: Kupisa kupisa kuri pedyo neAc₁ point.
Chinangwa: Kuti upise iyo cementite cementite kana carbides mune simbi, inokonzeresa granular (spheroidized) pearlite.
Inoshanda Range: Inoshandiswa kune matsvina neEutectoid uye hypereutectoid makomendi.
4.Diffing Annealing (Homogenizing Annealing)
Process yakatsanangurwa: Kupisa kupisa zvishoma pazasi peiyo solvus mutsara pane phose dhizaini.
Chinangwa: Kubvisa kusarongeka.
①Nar yakaderera-carbon simbineCarbon zvemukati zvisingasviki 0.25%, yakajairwa inosarudzwa pamusoro pekuwedzera sekurapa kwekugadzirira.
②NETIM-Carbon Steel neCarbon zvemukati pakati pegumi nemakumi matatu nemakumi matatu nemakumi mashanu neshanu
③Net Speium- kune yakakwira-carbon ine carbon zvemukati pakati pe1.50% uye 0,75%, yakazara inoshamisa inokurudzirwa.
④NET yakakwira-carbon simbineCarbon zvemukati kupfuura 0,75%, yakajairika inotanga kushandiswa kubvisa iyo network fe₃c, inoteverwa nekupfira inosimbisa.
Ⅲ.Qukching uye kutsamwa kwesimbi
A.quenching
1
2.. Kerozo iri imwe yeanonyanya kukosha kupisa ekurapa maitiro esimbi.
3.Determining quenching tembiricha yemhando dzakasiyana dzesimbi
Hypoeutectoid Steel: acă + 30 ° C kusvika 50 ° C
Eutectoid uye hypereutectoid steel: acă + 30 ° C kusvika 50 ° C
Alloy Simbi: 50 ° C kusvika 100 ° C pamusoro pesimba rekushisa
4.cooling maitiro eiyo yakanaka yekupedzisa yepakati pakati:
Inononoka kutonhora pamberi pe "mhino" tembiricha: kuderedza zvakakwana kushushikana.
Yakakwira COOTING COPACICE Pedyo ne "mhino" kupisa: kudzivirira kuumbwa kwezvinhu zvisiri zvemartensic zvivakwa.
Inononoka kutonhora pedyo m₅ point: kuderedza kushushikana kunokonzerwa nekushambadzira kwemartensumation.
5.Quenching Nzira uye Maitiro avo:
ÎsSimple quenching: nyore kushanda uye yakakodzera kune zvidiki, zvakapfava-zvakavezwa-zvakavezwa zvebasa. Iyo micervity micrenture ndeye martensite (m).
②Noter Quenching: Akawedzera kuoma uye akaoma kudzora, anoshandiswa kune akaomarara-akaumbwa-kabhoni-carbon simbi uye yakakura alloy simbi masimbi ebasa. Iyo micervity micrenture ndeye martensite (m).
③Broken furuking: yakawedzera maitiro, inoshandiswa kune yakakura, yakaoma-yakaumbwa-yakaomeswa lexy simbi inoshanda. Iyo micervity micrenture ndeye martensite (m).
④Ithothermal quenching: inoshandiswa kune zvidiki, zvakaoma-mitekmi-yakaomeswa ebundu nezvinodiwa zvakanyanya. Iyo inokonzeresa microcture yakadzika yakaderera bhainite (b).
6..Cactors anokanganisa kuomarara
Iyo nhanho yekusagadzikana inoenderana nekugadzikana kweiyo yakasarudzika Austenite musimbe. Yakakwira kusimba kwekugadzikana kweAustenite Austenite, zviri nani kuomarara, uye zvinopesana.
Zvinhu zvinokanganisa kugadzikana kweAustencETE Austenite:
Chinzvimbo cheC-Curve: Kana iyo C-curve inochinja kurudyi, iyo yakaoma inotonhorera chiyero chekutsvuka kunoderera, kuvandudza kuomarara.
Mhedzisiro Yakakosha:
Chero chinhu chinotsamira c-curve kurudyi inowedzera kuomarara kwesimbi.
Chinhu chikuru:
Chemical Composition: Kunze kweCobalt (Co), zvese zvekupa zvinhu zvakanyungudika muAustenite kuwedzera kuoma.
Iko kuswededzwa kwekabhoni zvemukati kune iyo eutectoid kuumbwa muCarbon Simbi, iyo iyo c-curve curve inoshanduka kurudyi, uye yakakwira kuomarara.
7.Deturmas uye inomiririra kuomesa
①Dend Quench Hardenability Test: Hardenability inoyerwa uchishandisa iyo yekupedzisira-Quench bvunzo nzira.
CRCitical Quench Diameter Maitiro: D₀) Inomiririra iyo yakanyanya dhayamita yesimbi iyo inogona kuomeswa zvakakwana mune chaiyo yekupedzisa.
B.enzanfing
1. Tsanangudzo yekunyepedzera
Kunopazwa kurapa kwekurapa kwakatemwa simbi inodzora kune tembiricha pazasi iyo a₁ point, inoitirwa tembiricha, uye ikazotonhora kumhepo tembiricha.
2. Chinangwa chekutsamwa
Kuderedza kana kubvisa kusara kwakasiyana: inodzivirira deformation kana kupaza kweiyo basa rekushanda.
Kuderedza kana kubvisa yakasara Austenite: inokanganisa zviyero zveiyo basa rekushanda.
Bvisa brittle
Chinyorwa chakakosha: Simbi inofanira kudzikiswa nekukurumidza mushure mekupedzisa.
3.Tempering maitiro
1.whoti kutsamwa
Chinangwa: Kuti uderedze kushushikana, kunatsiridza kuomarara kweiyo basa rekushanda, uye uwane kuomarara kwakanyanya uye kupfeka kurwisa.
Tembiricha: 150 ° C ~ 250 ° C.
Performance: Hardness: hrc 58 ~ 64. Kuomesa kwakakwirira uye kupfeka kurwisa.
Zvishandiso: Zvishandiso, kuumbwa, zviumbwa, zvikamu zvakarukwa, uye zvikamu zvakaomeswa.
2.high kutsamwa
Chinangwa: Kuti uwane kuomarara kwakanyanya pamwe chete neine simba rakaringana uye kuomarara.
Tembiricha: 500 ° C ~ 600 ° C.
Performance: kuomarara: HRC 25 ~ 35. Yakanaka mese mechanical zvivakwa.
Zvikumbiro: Shafts, maGea, inobatanidza tsvimbo, nezvimwe.
Inouraya
Tsanangudzo: kudzika kwakateverwa nekutevedzana kwakakwirira-tembiricha kunonzi thermal kunatswa, kana kungocheka. Simbi inorapwa neiyi maitiro ine maitiro akanaka kwazvo uye anoshandiswa zvakanyanya.
Ⅳ.surface hit kurapwa kwesimbi
A.SURFFAFE kupfuudza kwesimbi
1. Tsanangudzo yekuomesa musoro
Kumusoro kuomesa chirongwa chekupisa kurapa chakagadzirirwa kusimbisa iyo nzvimbo yekuisa yebasa nekukurumidza kuzvidzivirira kuti ishandure iyo yekuisa muAustenite uye nekukurumidza kuitonhora. Kuita uku kunoitwa pasina kushandura midziyo yemakemikari yemakemikari kana iyo core chimiro chechinyorwa.
2. Zvigadzirwa zvinoshandiswa kune nzvimbo dzinoomesesa uye kutumira-kuomarara
Zvigadzirwa zvinoshandiswa kune pamusoro pekuomesa
Chaizvoizvo zvinhu: Medium carbon simbi uye yepakati carbon alloy simbi.
Pre-kurapwa: Chaizvoizvo maitiro: kutsamwa. Kana iyo core zvivakwa zvisina kutsoropodza, yakajairika inogona kushandiswa pachinzvimbo.
Kutumira-kuomesa chimiro
Ruzivo rwepasi: Iyo pamusoro peganda inowanzoumba chimiro chakaomeswa senge merentey kana bainite, chinopa kuomesa kwakakwirira uye kupfeka kuramba.
Core dhizaini: Chikamu chesimbi chinowanzo chengeta chimiro chayo chepakutanga, chakadai separera kana kutsamwa nyika, zvichienderana neyekureba kwekurapa uye zvivakwa zvezvinyorwa zvezvinyorwa. Izvi zvinovimbisa kuti iyo core inochengetedza kunaka kwakanaka uye simba.
B.Charadacteristicistics ye induction nzvimbo kuomesa
1.Hwekupisa kupisa uye kukurumidza kupisa
2.Fine Austenite zviyo zvigadzirwa mumusoro wepasi: Munguva yekukurumidza kupisa uye inotevera quenching maitiro, iyo nzvimbo yepasi inoumba zvakanaka Austen. Mushure mekudzokorora, iyo nzvimbo inosanganisira ine mrenty mergency, nekuomarara kazhinji 2-3 hrc yakakwira kupfuura yakajairika kudzima.
3.Good Survity Hunhu: Nekuda kwenguva pfupi yekudzidzira nguva, iyo nzvimbo yebasa ndeyekunyanyisa kushoma kune oxidation uye decarblization, uye kusarudzika-kwakamanikidzwa kuderedzwa, kunoita kuti uve wakanaka mamiriro.
4.Hwera Simba Rekusimbisa: Iyo Martensic Phase Shanduko mudenga rezvemukati inounza kushushikana kwekumanikidza, iyo inowedzera simba rekuneta kweiyo basa rekushanda.
5.Hwekuchinjisa kushanda zvakanaka: kuyananisa pamusoro pekushomeka kwakakodzera kugadzirwa kukuru, kupa high kushanda kushanda.
C.classudzika yemakemikari ekupisa kurapwa
Carbleblizing, carbrezzing, carrebrezz, chromizing, siliconizing, siliconizing, siliconizing, carbonitrizing
D.Gas carburiz
Gasi Carblizzing chiitiko icho chinzvimbo chinoiswa mugero yegasi chivharo chegesi uye kupisa kune tembiricha inoshandura simbi kuAusten. Zvadaro, mumiririri wekutarisa akadururwa muvira, kana mamiriro ekutakura ekutakura anounzwa zvakananga, achibvumira kabhoni maatomu kuti adzivirire munzvimbo yebasa. Iyi process inowedzera iyo kabhoni yezvinyorwa (WC%) pane iyo yebasa peji.
√arbrizing vamiririri:
• kabhoni-yakapfuma magasi: yakadai seganda regasi, liquefied petroleum gasi (lpg), nezvimwe.
• Organic zvinwiwa: senge keroseno, methanol, Benzene, nezvimwe.
√carbarizing proceter paramita:
• Kupinza tembiricha: 920 ~ 950 ° C.
• Kutakura nguva: zvinoenderana nekudzika kwaunoda kweiyo carbelized layer uye tembiricha yekudziya.
E.Heat kurapwa mushure mekutakura carbburiz
Simbi inofanirwa kurapwa kupisa mushure mekutakura.
Kupisa kurapa maitiro mushure mekutakura zvinhu:
√Ququenching + yakaderera-tembiricha tripering
1.Direct quenching mushure mekupedza-kutonhora + kudzikama kwekushomeka kwekutenderera kwekushisa kwekupedzisira.
2.Sosingle quenching mushure mekupedza-kutonhora + kudzikama-tuka
3.Rhusi kudzikisira mushure mekuputika kana kutonhorera + kudzika-tembiricha uye mushure mekutonhora kwekutonhora, kutonhora kunotora mitezo yekudziya uye nekudzikira, kuteverwa nekudzikira kwemhepo-tembiricha.
Ⅴ.chemical kupisa kurapwa kwehembe
1.definition yemakemikari kupisa kurapwa
Kushambadzira kwemakemikari ndeyekupisa kwekurapa maitiro umo simbi yekushanda inoiswa mune yakatarwa svutugadzike, uye inobatirwa pakupisa, ichibvumira maatomu ekushambadzira mune svikiro kuti isiyane pamusoro pebasa rekushanda. Izvi zvinoshandura kuumbwa kwemakemikari uye microcenture yeiyo nzvimbo yebasa, nokudaro inoshandura zvivakwa zvaro.
2.Bastic maitiro emakemikari ekupisa kurapwa
DOCOMPOTION: Munguva yekudziya, iyo inoshanda yepakati yekuita, kusunungura maatomu anoshingaira.
Kunyudza: maatomu anoshingaira anodhakwa nemukati mesimbi uye ivhenekerwa mumhinduro yakasimba yesimbi.
Kusiyana: maatomu anoshingaira akanyudzwa uye akanyungudutswa pamusoro peiyo simbi inotama mumukati.
Mhando dzekunyengerera nzvimbo dzinoomesa
a.high-frequency induction inopisa
Yazvino Frequency: 250 ~ 300 Khz.
Yakaomeswa Layer Yakadzika: 0.5 ~ 2.0 mm.
Zvishandiso: Pakati uye madiki module magiya uye zvidiki kusvika pakati-sveti shafts.
B.Medium-frequency induction inopisa
Yazvino Frequency: 2500 ~ 8000 KHz.
Yakaomeswa Resero Yakadzika: 2 ~ 10 mm.
Zvishandiso: Shafts yakakura uye yakakura kusvika pakati module magiya.
C.power-frequency induction kupisa
Yazvino Frequency: 50 HZ.
Yakaomeswa Resero Yakadzika: 10 ~ 15 mm.
Zvishandiso: Workieces inoda yakadzika yakadzika yakaoma layer.
3. Induction pamusoro kuomesa
Nheyo yakadzama yekufananidza pamusoro pekuomesa
Chiitiko cheGanda:
Kana kuchinjanisa zvazvino mune yekunyora coil inokurudzira yazvino pamusoro peiyo nzvimbo yekushanda, ruzhinji rwevari rwacho rwunosimbiswa runotarisana nemukati, kunyange pasina zvinopfuura nepakati pekushanda. Ichi chiitiko chinozivikanwa seganda.
Nheyo yekufananidzira nzvimbo kuomesa:
Zvichienderana neganda remhedzisiro, pamusoro peganda rekushanda nekukurumidza kuAusteniting tembiricha (kusimuka kusvika 800 ° Iyo yekushandira inoshandiswa yakazotonhorera nemvura inosvina, ichiwana nzvimbo yekunhuhwirira.
4.Temper Brittless
Kupenya kweBripleness mune yakadzima simbi
Kushambadzira kweBrittle Kunoreva nezvechisiko uko uko kukanganiswa kwekushomeka kwesimbi yakadzimwa zvakanyanya kuderera kana yaderera pane zvimwe tembiricha.
Rudzi rwekutanga rwekuwedzera kweBrittleness
Tembiricha Range: 250 ° C kusvika ku50 1 ° C.
Hunhu: Kana rakadzima simbi rakabviswa mukati meiyi tembiricha renji, inokwanisika zvikuru kukudziridza rudzi urwu rwekuwedzera kupwanya, iyo isingakwanisi kubviswa.
Solution: Dzivisa kutsamwa kwakabviswa simbi mukati meiyi tembiricha yekupisa.
Rudzi rwekutanga rwekushambadzira brittlenness rinozivikanwawo seyakaderera-tembiricha tempering brittleness kana risinga tsanangurike kupenga.
Ⅵ.enzanpering
1.Tempering ndeyekupedzisira kupisa kwekurapa kwekutevera kunotevera kudzima.
Nei yakadzimwa zvitsinho ichida kutsamwa?
Micrograpurture mushure mekudzokorora: Mushure mekupedzisa, iyo microdhi yesimbi inowanzoitika yemartensite uye akasara Austenite. Zvese zviri zviviri mishonga mishonga uye ichashandura pasi pemamwe mamiriro.
Zvivakwa zveMartensite: Martensite anoonekwa nekuomarara kwakakwirira asiwo akakwira brittleons (kunyanya mune yakakwirira-kabhoni tsono-kunge martensite), iyo isingasviki zvinodiwa pakuita zviwanikwa.
Hunhu hweMartensic Shanduko: Shanduko kuMartensite inoitika nekukurumidza. Mushure mekupembera, basa rekushanda rine kusara kwemukati kunetsekana kunogona kutungamira kuhurongwa kana kupaza.
Mhedziso: Iyo yekushandira haigone kushandiswa zvakananga mushure mekupedza! Kushongedzwa kunokosha kuti uderedze kushushikana kwemukati uye kugadzirisa kuomarara kweiyo basa rekushanda, zvichiita kuti zviite kuti zvisike.
2.Diference pakati pekuregererwa uye kuomesa simba:
Kuoma:
Kuomerwa kunoreva kugona kwesimbi kuti uwane kumwe kudzika kwekuomesa (kudzika kweiyo yakaoma layer) mushure mekupedza. Zvinoenderana nekuumbwa kwesimbi uye chimiro, kunyanya zvakaringana zvinhu uye mhando yesimbi. Kuoma kuyerwa kwemasodhi ekuti simbi inogona kuomesa sei mukati maro mukati maro panguva yekupedza.
Kuomesa (kuomesa simba):
Kuomesa, kana kuomesa simba, kunoreva kuomesa kwakakwana uko kunogona kuwanikwa musimbi mushure mekupedzisa. Iyo inonyanya kusundidzirwa necarbon zvemukati yesimbi. Yakakwira kabhoni zvemukati zvinowanzotungamira mukukwira zvakanyanya kuomarara, asi izvi zvinogona kuve kugumira neiyo simbi yekupa zvinhu uye kushanda kweiyo quenching maitiro.
3.Regenability yesimbi
√Notongerwa kuomarara
Kuomerwa kunoreva kugona kwesimbi kuti uwane kumwe kudzika kweMartensitic kuomesa mushure mekupedza tembiricha. Mune mazwi akareruka, ndiko kugona kwesimbi kuti ugadzire marentite panguva yekupedzisa.
Kuyerwa kwekusagadzikana
Saizi yekusagadzikana inoratidzwa nekudzika kweiyo yakaomeswa denderedzwa yakawanikwa pasi pemamiriro akataurwa mushure mekupedzisa.
Yakaomesesa Reseral Yakadzika: Uku ndiko kudzika kubva pamusoro pebasa rekushanda kudunhu uko chimiro chacho chiri hafu yemarensite.
Zvakajairika QENCHING Media:
•Mvura
Hunhu: Hupfumi nehunhu hwakasimba hwekugona, asi une huwandu hwakanyanya hwekutonhora padyo nepfungwa yekubikira, iyo inogona kutungamira kutonhora zvakanyanya.
Chishandiso: kazhinji chinoshandiswa kune carbon simbi.
Mvura yemunyu: mhinduro yemunyu kana alkali mumvura, ine huwandu hwepamusoro hwekutonhora hwekupisa uchienzaniswa nemvura, zvichiita kuti zviite zvakakodzera kuti kabhoni.
• Mafuta
Hunhu: Inopa zvishoma zvishoma kutonhora chiyero kupisa (padyo nepfungwa yekubikira), izvo zvinodzora maitiro ekusvibisa uye kupaza, asi ane kuderera kwekudzora kwekushomeka kwekupisa kwakanyanya.
Chishandiso: Inokodzera maAlloy Steels.
Mhando: Inosanganisira mafuta okutsvuka, machina mafuta, uye mafuta odil.
Kudziya nguva
Kupararira nguva kunoenderana nezvese zvese zvinopisa (nguva yakatorwa kuti isvike pakudziya kwaunoda) uye nguva yekubata (nguva inochengeterwa tembiricha tembiricha).
Nheyo dzekusarudza nguva yekudziya: Ita shuwa yunifomu yekugovera nguva yese yekubatira, mukati nekunze.
Ita shuwa wakazara autenitization uye kuti Austenite yakaumbwa yunifomu uye yakanaka.
Nheyo dzekusarudza inopisa nguva: inowanzofungidzirwa uchishandisa Empirical mafomula kana kutsanangurwa kuburikidza nekuedza.
Quenching Media
Zvinhu zviviri zvakakosha:
Acrooling rate: chiyero chepamusoro chinotonhorera chinosimudzira kuumbwa kweMartensite.
B.Resual kushushikana: chiyero chepamusoro chinotonhorera chinowedzera kushushikana kwakasara, izvo zvinogona kutungamira kune yakakura maitiro ekusvibisa uye kupaza mumubatsiri.
Ⅶ.Wormasizing
1. Tsanangudzo yeyakajairika
Yese yakajairika kurapa kwekurapa kunopiswa kune tembiricha 30 ° C kusvika 50 ° C. ° C pamusoro peAc3 tembiricha, uyezve mhepo inodonhedza microcenture padhuze neyakaenzana. Kuenzaniswa neanonolation, yakajairwa ine chiyero chekukurumidza kutonhorera, zvichikonzerwa nemhando yechidimbu pearlite (p) uye simba rakakwirira uye kuomesesa.
2. Chinangwa chekujairika
Chinangwa chekugara chakafanana neicho chekunze.
3. Zvikumbiro zvekujairika
• Bvisa network network yechipiri cementite.
• Shumira sekurapa kwekupedzisira kwekupisa kwezvikamu zvine zvinodiwa zvakaderera.
• ita seyekugadzirira kupisa kurapa kweiyo yakaderera uye yepakati carbon yekugadzira simbi yekuvandudza michina.
4.TyTypes yekuwedzera
Rudzi rwekutanga rwekuwedzera:
Chinangwa uye Basa: Chinangwa hachisi chekushandura chikamu chekushandurwa asi kushandura simbi kubva kune isina kujairika mamiriro kune mamiriro akaenzana.
Mhando:
• kusiyanisa kunowedzera: zvinangwa zvekunyepedzera kuumbwa nekubvisa rusaruro.
• Racrystallization Inonolation: inodzosera ductlity nekubvisa mhedzisiro yebasa kuomesa.
• Kusimbisa Rubatsiro Annealation: Inodzora kushushikana kwemukati pasina kushandura microsture.
Yechipiri mhando yekuwedzera:
Chinangwa uye Basa: Zvinangwa zvekuchinja microgramu uye zvivakwa, kuzadzisa hiclite inotongwa. Iyi mhando zvakare inovimbisa kuti kugoverwa uye morphology yePerlite, ferrite, uye makatuni anosangana nezvinodiwa chaizvo.
Mhando:
• Yakazara Annaling: Inopisa Simbi Pamusoro peAc3 tembiricha uyezve zvishoma nezvishoma inotonhorera kuti ibudise yunifomu yePearlite chimiro.
• Asingakwanisi Kunyepedzera: Inopisa Simbi pakati paAc1 neAC3 Tembiricha kuChidimbu Shanduko iyo chimiro.
• Isothermal Annalaling: Heats Steel kune Ac3, ichiteverwa nekukurumidza kutonhora kune isothermal tembiricha uye kubata kuti uwane chimiro chaunoda.
• Sperroidizing Annealing: inoburitsa iyo spheriya carbide chimiro, kuvandudza michina uye kuomarara.
Ⅷ.1.Finition yekupisa kurapwa
Kupisa kurapwa kunoreva maitiro api mune iyo simbi inotyisa, inoitirwa pakudziya kwakasimba, uye wobva wapotedzerwa uchiri mumamiriro akasimba ekushandura chimiro chayo chemukati uye nekudaro achizadzisa zvivakwa zvaunoda.
2.characteristists yekupisa kurapwa
Kurapwa kwekupisa hakuchinje chimiro chebasa rekushanda; Panzvimbo iyoyo, inoshandura chimiro chemukati uye microcenture yesimbi, iyo inoshandura zvivakwa zvesimbi.
3.Purposppos yekupisa kurapwa
Chinangwa chekurapa kwekupfura ndechekuvandudza maitiro kana ekugadzirisa zvivakwa zvesimbi (kana mabasa ebasa), shandisa zvizere kugona kwesimbi, simbisai kunaka kwenzvimbo yebasa, uye kuwedzera hupenyu hwebasa.
4.Kekey mhedzisiro
Kunyangwe zvivakwa zvezvinyorwa zvinogona kuvandudzwa kuburikidza nekushambadzira kurapwa zvinoenderana nekushomeka kana paine shanduko mune yavo microcture uye chimiro panguva yekudziya uye kutonhora maitiro.
Kutumira Nguva: Aug-19-2020