Stainless simbi chinhu chakakurumbira chinoshandiswa mukugadzira nekuda kwesimba rayo, kusimba, uye kuramba corrosion. Nekudaro, inogona zvakare kuunza matambudziko mukuita machining nekuda kwekuoma kwayo uye maitiro ekuomesa-basa.
Heano mamwe akakosha ekufunga kana uchigadzira Stainless simbi:
Kusarudza Tool:
Kusarudza chishandiso chakakodzera kwakakosha pakugadzira simbi isina tsvina. Zvishandiso zvesimbi zvekumhanya zvakanyanya zvakakodzerwa neakaderera-vhoriyamu machining, nepo carbide maturusi akakodzera zviri nani kugadzirwa kwehuwandu. Zvishandiso zvakavharwa zvinogonawo kuvandudza mashandiro uye hupenyu hwematurusi.
Kucheka kumhanya:
Simbi isina tsvina inoda kukurumidza kucheka kunononoka pane zvinyoro zvinyoro kudzivirira kupisa uye kushanda kuoma. Yakakurudzirwa kucheka kumhanya siyana kwesimbi isina tsvina ndeye 100 kusvika 350 sfm (tsoka dzepamusoro paminiti).
Feed rate:
Chiyero chekudya chesimbi isina tsvina chinofanira kudzikiswa kudzivirira kuoma kwebasa uye kupfeka kwemidziyo. Iyo yakakurudzirwa chiyero chekudya chinowanzo 0.001 kusvika 0.010 inches pazino.
Inotonhorera:
Inotonhorera yakafanira yakakosha pakugadzira simbi isina tsvina. Mvura-inonyungudika inotonhorera inosarudzwa pane inotonhorera-inotonhorera kuti isasvibisa uye kuita ngura. High-pressure coolant inogonawo kugadzirisa chip evacuation uye hupenyu hwekushandisa.
Chip control:
Ssimbi isina tsvina inogadzira machipisi akareba, ane tambo anogona kunetsa kudzora. Kushandisa chip breakers kana chip evacuation masisitimu anogona kubatsira kudzivirira chip clogging uye kukuvara kwechishandiso.
Simbi isina ngura ndiko kudimburirwa kwesimbi isina asidi-resistant simbi. Magiredhi esimbi anoshingirira kune zvisina kusimba zvinoodza media zvakaita semhepo, chiutsi, uye mvura, kana zvine zvinhu zvisina tsvina anonzi simbi isina simbi; Corrosion) Simbi yakaora inodaidzwa kuti acid-resistant simbi.
Simbi isina simbi inoreva simbi inoshingirira kune zvisina kusimba zvinoodza media zvakaita semhepo, chiutsi, mvura, uye zvinosvibisa makemikari media senge acid, alkali, uye munyu. Inonziwo Stainless acid-resistant simbi. Mumashandisirwo anoshanda, simbi inoshingirira kune isina kusimba ngura inowanzodaidzwa kunzi Stainless simbi, uye simbi inoshingirira kumakemikari epakati corrosion inodaidzwa kuti acid-resistant simbi. Nekuda kwemusiyano wekuumbwa kwemakemikari pakati pezviviri izvi, yekutanga haigone kurwisa kemikari media corrosion, nepo iyo yekupedzisira kazhinji isina tsvina. Iyo corrosion resistance yesimbi isina tsvina inobva pane alloying zvinhu zviri musimbi.
Zvikamu zvakajairika:
Kazhinji yakakamurwa kuita metallographic sangano:
Kazhinji, simbi yakajairwa isina tsvina yakakamurwa kuita zvikamu zvitatu zvinoenderana nechimiro chemetallographic: austenitic simbi isina tsvina, ferritic simbi isina tsvina, uye martensitic simbi isina tsvina. Pahwaro hwemhando idzi nhatu dzezvimiro zvesimbi, duplex simbi, kunaya kunoomesa simbi dzisina tsvina, uye simbi dzepamusoro-soro dzine simbi isingasviki 50% inotorwa kune chaiyo zvinodiwa uye zvinangwa.
1. Austenitic simbi isina tsvina.
Iyo matrix inonyanya kuumbwa neaustenite chimiro (CY chikamu) ine kumeso-yakatarisana cubic crystal chimiro, isiri-magnetic, uye inonyanya kusimbiswa nekushanda kunotonhora (uye inogona kutungamira kune mamwe magineti zvimiro) simbi isina tsvina. IAmerican Iron and Steel Institute yakanyorwa nenhamba mumazana maviri nemazana matatu akatevedzana, akadai se304.
2. Ferritic simbi isina tsvina.
Iyo matrix inonyanya kuita ferrite (chikamu) ine body-centered cubic crystal structure. Iyo ine magineti uye kazhinji haigone kuomeswa nekupisa kurapwa, asi kutonhora kushanda kunogona kuita kuti isimbiswe zvishoma. IAmerican Iron uye Steel Institute ine 430 uye 446.
3. Martensitic simbi isina tsvina.
Iyo matrix ndeye martensitic (body-centered cubic kana cubic), magineti, uye maitiro ayo emagetsi anogona kugadziriswa nekupisa kurapwa. IAmerican Iron uye Steel Institute ine 410, 420 uye 440 nhamba. Martensite ine austenite chimiro pakupisa kwepamusoro, uye kana yatonhodzwa kusvika kukamuri tembiricha pamwero wakakodzera, iyo austenite chimiro chinogona kushanduka kuita martensite (kureva, kuoma).
4. Austenitic-ferritic (duplex) simbi isina tsvina.
Iyo matrix ine zvese austenite uye ferrite maviri-chikamu chimiro, uye zviri mukati mechikamu chidiki matrix kazhinji chinopfuura 15%. Iyo magnetic uye inogona kusimbiswa nekushanda kunotonhora. 329 ndiyo yakajairika duplex simbi isina tsvina. Kuenzaniswa neaustenitic Stainless simbi, duplex simbi ine simba rakawanda, intergranular corrosion resistance, chloride stress corrosion resistance uye pitting corrosion resistance inovandudzwa zvakanyanya.
5. Kunaya kunoomesa simbi isina tsvina.
Iyo matrix ndeye austenite kana martensite, uye inogona kuomeswa nekunaya kwemvura inoomesa simbi isina tsvina. IAmerican Iron and Steel Institute yakanyorwa ne600 akatevedzana manhamba, akadai se630, ayo ari 17-4PH.
Kazhinji kutaura, kunze kwealloys, iyo corrosion resistance ye austenitic stainless simbi yakanaka. Munzvimbo isina kupisa, ferritic simbi isina tsvina inogona kushandiswa. Munzvimbo inoodza zvinyoro nyoro, kana zvinhu zvichidikanwa kuve neSimba rakakwirira kana kuomarara kwepamusoro, martensitic Stainless simbi uye kunaya kwemvura inoomesa simbi isina tsvina inogona kushandiswa.
Features uye kushandiswa:
Surface treatment:
Musiyano wekukora
1. Nokuticnc milling simbimuchina uri mukukungurutswa, mipumburu inokanganiswa zvishoma nekupisa, zvichikonzera kutsauka muukobvu hwemahwendefa akakungurutswa, ayo anowanzo kukora nepakati uye akatetepa mativi ese. Pakuyera ukobvu hwebhodhi, nyika inotaura kuti chikamu chepakati chemusoro webhodhi chinofanira kuyerwa.
2. Chikonzero chekushivirira ndechokuti maererano nemusika uye zvinodiwa nevatengi, zvinowanzoparadzaniswa kuva kushivirira kukuru uye kushivirira kuduku: semuenzaniso.
Imhando ipi yesimbi isina tsvina isiri nyore kuita ngura?
Pane zvinhu zvitatu zvakakosha zvinokanganisa kukora kwemachined Stainless steel:
1. Zviri mukati me alloying elements.
Kazhinji kutaura, simbi ine chromium inokwana 10.5% haisi nyore kuita ngura. Iyo yakakwira zvirimo zvechromium uye nickel, zviri nani kupikisa kwekuora. Semuenzaniso, zviri mukati nickel mu304 zvinhu zvinofanirwa kunge zviri 8-10%, uye zvirimo muchromium zvinofanirwa kusvika 18-20%. Simbi yakadaro isina tsvina haigoni kuita ngura mumamiriro ezvinhu akajairika.
2. Kunyunguduka kwebhizimusi rekugadzira kuchakanganisawo kushora kwesimbi yesimbi isina tsvina.
Mafekitori makuru esimbi asina simbi ane yakanaka yekunyungudutsa tekinoroji, midziyo yepamusoro uye tekinoroji yepamusoro inogonainovimbisa kutonga kwezvinhu zvealloy, kubviswa kwetsvina, uye kutonga kwebillet kutonhora tembiricha. Nokudaro, hutano hwechigadzirwa hwakagadzikana uye hwakavimbika, hune hutano hwakanaka hwemukati uye hazvisi nyore kuita ngura. Pane zvinopesana, mamwe madiki esimbi ane midziyo yekudzokera kumashure uye kumashure tekinoroji. Munguva yekunyunguduka, tsvina haigoni kubviswa, uye zvigadzirwa zvinogadzirwa zvichange zvisingadzivisiki kuita ngura.
3. Nzvimbo yekunze, yakaoma uye inofefetera zvakanaka haisi nyore kuita ngura.
Hunyoro hwemhepo hwakakwirira, kuenderera mberi kwekunaya kwemvura, kana nzvimbo yezvakatipoteredza ine pH yakakwirira mumhepo iri nyore kuita ngura. 304 simbi isina tsvina, kana nharaunda yakatenderedza yakanyanyisa kuipa, inoita ngura.
Nzira yekubata nayo ngura mavara pasimbi isina tsvina?
1. Chemical nzira
Shandisa pickling cream kana kupfapfaidza kubatsira kudzoreredza kwezvikamu zvine ngura kuumba chromium oxide firimu kudzoreredza kuramba kwecorrosion. Mushure mekutora, kuitira kubvisa zvose zvinosvibisa uye masara easidhi, zvakakosha zvikuru kushambidza zvakanaka nemvura yakachena. Mushure mekurapa kwese, porazve nemidziyo yekupolisha uye simbisa newakisi yekupolisha. Kune avo vane makwapa mashoma, unogona kushandisa 1: 1 musanganiswa wepeturu nemafuta einjini kuti udzime nzvimbo dzine ngura nemucheka wakachena.
2. Mechanical nzira
Kuputika kwejecha, kuputika kwepfuti negirazi kana zvimedu zveceramic, kuparara, kukwesha nekupukuta. Zvinogoneka kupukuta nemanenji kusvibiswa kubva pane zvakambobviswa, zvinhu zvekupolisha kana zvinhu zvinodzima. Mhando dzese dzekusvibiswa, kunyanya simbi dzekunze, dzinogona kuita ngura, kunyanya munzvimbo dzine mwando. Naizvozvo, nzvimbo dzakacheneswa nemichina dzinofanirwa kucheneswa zvakanaka pasi pemamiriro akaoma. Kushandiswa kwemichina nzira kunogona chete kuchenesa pamusoro, uye haigoni kuchinja corrosion resistance yechinhu chacho pachayo. Naizvozvo, zvinokurudzirwa kukwenenzvera zvakare nemidziyo yekupolisha mushure mekuchenesa kwemuchina uye kuvhara newakisi yekupolisha.
Stainless simbi mamakisi uye zvivakwa zvinowanzoshandiswa muzviridzwa
1. 304cnc simbi isina tsvina. Ndiyo imwe yeanonyanya kushandiswa austenitic simbi isina tsvina. Inokodzera kugadzirwa kwezvikamu zvakadzika-zvakadhonzwa uye mapiipi easidhi, midziyo, zvikamu zvezvimiro, uye akasiyana-siyana emidziyo miviri. Inogona zvakare kushandiswa kugadzira isiri-magnetic, yakaderera-tembiricha michina uye chikamu.
2. 304L simbi isina tsvina. Kuti ugadzirise iyo yakakomba intergranular corrosion maitiro e304 Stainless simbi pasi pemamwe mamiriro nekuda kwekunaya kweCr23C6, iyo yekupedzisira-yakaderera kabhoni austenitic simbi isina tsvina inogadzirwa, uye kuramba kwayo kune intergranular corrosion munzvimbo inonzwisiswa iri nani zvakanyanya kupfuura iyo 304 simbi isina tsvina. Kunze kwesimba rakaderera zvishoma, zvimwe zvivakwa zvakafanana ne321 simbi isina tsvina. Inonyanya kushandiswa kune corrosion-resistant midziyo uyekunyatsochinja zvikamuiyo haigone kuve yakasimba mhinduro inorapwa mushure mekunama. Inogona kushandiswa kugadzira akasiyana ezviridzwa mitumbi, nezvimwe.
3. 304H simbi isina tsvina. Bazi remukati re304 simbi isina tsvina ine carbon mass chikamu che 0.04% -0.10%, uye kushanda kwayo kwekushisa kwepamusoro kuri nani kudarika kwe304 simbi isina tsvina.
4. 316 simbi isina tsvina. Kuwedzera molybdenum pahwaro hwe10Cr18Ni12 simbi inoita kuti simbi ive nekupokana kwakanaka kudzikisa svikiro uye gomba kusagadzikana kwekuora. Mumvura yegungwa uye nemimwe midhiya yakasiyana-siyana, kuramba kwecorrosion kuri nani pane 304 simbi isina tsvina, uye inonyanya kushandiswa kupinza corrosion resistant materials.
5. 316L simbi isina tsvina. Ultra-yakaderera kabhoni simbi, iine kumira zvakanaka kune sensitized intergranular corrosion, inokodzera kugadzirwa kwewelded parts nemidziyo ine gobvu-cross-sectional dimensions, senge corrosion-resistant zvinhu mu petrochemical equipment.
6. 316H simbi isina tsvina. Bazi remukati re 316 simbi isina tsvina ine carbon mass chikamu che 0.04% -0.10%, uye kushanda kwayo kwekushisa kwepamusoro kuri nani pane iyo ye316 simbi isina tsvina.
7. 317 simbi isina tsvina. Pitting corrosion resistance uye creep resistance zviri nani pane 316L simbi isina tsvina, inoshandiswa mukugadzira petrochemical uye organic acid corrosion resistant equipment.
8. 321 simbi isina tsvina. Titanium-yakadzikama austenitic simbi isina tsvina, ichiwedzera titanium kuvandudza intergranular corrosion resistance, uye ine yakanaka yepamusoro-tembiricha michina zvivakwa, inogona kutsiviwa neultra-low carbon austenitic stainless steel. Kunze kwezviitiko zvakakosha senge tembiricha yepamusoro kana hydrogen corrosion resistance, hazvikurudzirwe kushandiswa kwese.
9. 347 simbi isina tsvina. Niobium-yakadzikama austenitic simbi isina tsvina, ichiwedzera niobium kuvandudza intergranular corrosion resistance, corrosion resistance muacid, alkali, munyu uye mamwe ma media anoora zvakafanana ne 321 stainless simbi, good welding performance, inogona kushandiswa sezvisingakuvare uye simbi inopisa. inonyanya kushandiswa mumagetsi ekupisa uye petrochemical minda, sekugadzira midziyo, mapaipi, kupisa kupisa, shafts, machubhu echoto muvira remaindasitiri, uye choto chechubhu thermometers.
10. 904L simbi isina tsvina. Super yakakwana austenitic Stainless simbi ndeye super austenitic Stainless simbi yakagadzirwa neOutokumpu Company yekuFinland. Chikamu chayo che nickel mass i24% -26%, carbon mass fraction iri pasi pe0.02%, uye ine yakanakisa corrosion resistance. , ine yakanaka corrosion resistance mune isiri-oxidizing acids yakadai sesulfuric acid, acetic acid, formic acid, phosphoric acid, uye ine yakanaka crevice corrosion resistance uye stress corrosion resistance. Inokodzera sulfuric acid yezvikamu zvakasiyana-siyana pasi pe 70 ° C, uye ine yakanaka corrosion resistance muacetic acid yepi zvayo yekuisa uye tembiricha pasi pekumanikidzwa kwakajairika uye yakasanganiswa asidhi yefomic acid uye acetic acid. Iyo yekutanga chiyero ASMEB-625 yakaiisa senickel-based alloy, uye chiyero chitsva chakaiisa sesimbi isina tsvina. China inongova negiredhi rakafanana re015Cr19Ni26Mo5Cu2 simbi, uye vashoma vekuEurope vanogadzira zviridzwa vanoshandisa 904L simbi isina tsvina sechinhu chakakosha. Semuenzaniso, chubhu yekuyeresa yemamita ekuyerera kweE + H inogadzirwa ne904L simbi isina tsvina, uye nyaya yeRolex wachi inogadzirwawo ne904L simbi isina tsvina.
11. 440C simbi isina tsvina. Martensitic Stainless simbi ine yakanyanya kuoma pakati pesimbi isina tsvina uye simbi isina tsvina, nekuoma kweHRC57. Inonyanya kushandiswa kugadzira nozzles, bearings, valve cores, valve seats, sleeves, valve stems, nezvimwe.
12. 17-4PH simbi isina tsvina. Martensitic precipitation inoomesa simbi isina tsvina, nekuoma kweHRC44, ine simba rakawanda, kuoma uye kusaita ngura, uye haigone kushandiswa patembiricha inodarika 300°C. Iyo ine yakanaka corrosion kuramba kumhepo uye yakanyungudutswa asidhi kana munyu. Kupokana kwayo nekuora kwakafanana ne304 simbi isina tsvina uye 430 simbi isina tsvina. Inoshandiswa kugadzira mapuratifomu ekumahombekombe, turbine blades, mavharuvhu cores, zvigaro zvevharuvhu, maoko, uye mavharuvhu madzinde. wait.
Mundima yezviridzwa, zvakasanganiswa nekusiyana-siyana uye nyaya dzemutengo, iyo yakajairwa austenitic Stainless simbi yekusarudza sequence ndeye 304-304L-316-316L-317-321-347-904L simbi isina tsvina, iyo 317 isinganyanyi kushandiswa, 321 haina kukurudzirwa. , uye 347 inoshandiswa Nekuda kwekushisa kwepamusoro uye kushorwa kwekuora, 904L inongova yakasarudzika zvinhu zvezvimwe zvikamu zvevagadziri vega, uye 904L haiwanzo kusarudzwa mukugadzira.
Mukugadzira uye kusarudzwa kwezviridzwa, pane kazhinji nguva apo zvinhu zvechiridzwa zvakasiyana neiyo pombi, kunyanya mumamiriro ekupisa. Kunyanya kutarisisa kunofanirwa kubhadharwa kuti kusarudzwa kwezvinhu zvechiridzwa kunosangana nekushisa kwekugadzira uye dhizaini yedhizaini yemuchina wekugadzira kana pombi, senge pombi Iyo yakakwirira-tembiricha chrome-molybdenum simbi, uye chiridzwa chakagadzirwa nesimbi isina tsvina. Panguva ino, matambudziko anogona kuitika. Izvo zvinodikanwa kubvunza tembiricha uye kumanikidza gauge yezvinhu zvinoenderana.
Mukugadzira uye kusarudzwa kwezviridzwa, simbi isina tsvina yeakasiyana masisitimu, akateedzana, uye mamakisi anowanzo kusangana. Pakusarudza mhando, matambudziko anofanirwa kutariswa kubva kumakona akawanda senge chaiyo process midhiya, tembiricha, kudzvanywa, kumanikidzwa zvikamu, ngura, uye mutengo.
Ramba uchivandudza, kuve nechokwadi chemhando yechigadzirwa zvinoenderana nemusika uye zvinodiwa nevatengi. Anebon ine yemhando yekusimbisa sisitimu yakagadziridzwa Yepamusoro Hunhu 2022 Inopisa Kutengesa Plastiki POM ABS Zvishandiso Drilling CNC Machining Turning Part Service, Vimba Anebon uye iwe uchawana zvakatowanda. Iva nechokwadi chekunyatsonzwa wakasununguka kutibata nesu kuti uwane rumwe ruzivo, Anebon inokuvimbisa kutarisisa kwedu kwakanyanya nguva dzese.
Yepamusoro mhando yeauto spare parts, milling parts nesimbi yakatendeuka zvikamu Yakagadzirwa muChina Anebon. Zvigadzirwa zveAnebon zvakawanikwa zvakanyanya uye zvakanyanya kucherechedzwa kubva kune vekunze vatengi, uye zvakamiswa kwenguva refu uye hukama hwekubatana navo. Anebon ichapa sevhisi yakanakisa kune wese mutengi uye nemoyo wese shamwari dzinogamuchira kuti dzishande neAnebon uye kumisikidza kubatsirwa pamwe chete.
Nguva yekutumira: Kubvumbi-21-2023