pfeka-nemishonga lining ndiro
Pfeka ino simbi simbi ndiro chinhu chiwanikwa kusakara nemishonga rukoko kunyanya rinoumbwa neCr7C3 carbides ine vhoriyamu chidimbu chinopfuura makumi mashanu% chakaumbwa nekuratidzira pane yakajairwa simbi ndiro, kupisa-nemishonga simbi ndiro uye isina simbi ndiro.
Pfeka inodzivirira simbi ndiro ine yakakwirira kusakara kuramba, kukanganisa kusagadzikana, deformability uye weldability. Inogona kugadziriswa zvakananga muzvikamu zveinjiniya senge ndiro yesimbi, senge crimping deformation, kucheka uye kuchera, kuitira kuzadzisa zvido zveanosemesa maindasitiri uye emigodhi.
Kuwandisa ≥ 3.6 g / cm3
Rockwell kuomarara ≥ 85 HRC
Pressure dhigirii ≥ 850 MPa
Kutsemuka kuomarara K-C -4.8MPa · m1 / 2
Kukotama simba ≥ 290mpa
Thermal kuitisa 20W / mk
Coefficient yekuwedzera kwekushisa: 7.2 × 10-6m / mK
1. Iyo makemikari anoumbwa epamusoro ekupfeka-asingasviki alloy layer ine kabhoni zvemukati zve4 ~ 5% uye chromium zvemukati zve25 ~ 30%. Chikamu chevhoriyamu yeCr7C3 carbide iri muchimiro chesimbigraphic inopfuura 50%, kuomarara kukuru kuri hrc56 ~ 62, uye kuomarara kwechromium carbide iri hv1400 ~ 1800, iri pamusoro kupfuura yequartz mujecha HV800 ~ 1200. Nekuti iyo carbides akaverengerwa akatwasuka munzira yekupfeka, iyo yekupfeka yekupokana inopfuura zvakapetwa kana ichienzaniswa neiyo alloy alloy ine yakafanana kuumbwa uye kuomarara.
2.Kuchienzaniswa nezvinhu zvinoverengeka zvakajairika, kupfeka kuramba kuri seinotevera:
(1) Uye yakapfava simbi; 20 ~ 25:
(2) Uye yakakwirira manganese simbi; 5 ~ 10:
(3) Uye simbi yekushandisa; 5 ~ 10:
(4) Uye seyakakandirwa kumusoro chromium kukanda simbi; 1.5 ~ 2.5:
2. Kwakanaka kukanganisa kusagadzikana: yepazasi dura rekupfeka-risingapindirani simbi simbi ndiro yakaderera kabhoni simbi kana yakaderera chiwanikwa. Stainless simbi uye zvimwe ductile zvinhu zvinoratidza zvakanakira bimetals. Iyo yekupfeka-inodzivirira dura inoshora kupfeka kwekupfeka midhiya, uye iyo substrate inotakura mutoro we media, saka ine yakanaka kukanganisa kuramba. Inogona kumira pamabatiro uye kupfeka kwepamusoro kudonhedza hopper mune inoendesa system.
3. Kupisa kwakanaka kwekupisa: iyo inopfeka-inodzivirira dura inokurudzirwa kuti ishandiswe pasi pemamiriro ekushanda e ≤ 600 ℃. Kana vanadium, molybdenum uye mamwe maalloys akawedzerwa kune alloy layer, inogona kumira yakasimba-tembiricha kupfeka kwe ≤ 800 ℃. Iyo yakakurudzirwa tembiricha yekushanda iri seinotevera: yakajairwa kabhoni simbi substrate inokurudzirwa kuti ishandiswe pasi pechimiro chekushanda cheasina kukwira kupfuura 380 ℃; Yakadzika chiwanikwa kupisa-isingagadziriswe simbi ndiro (15CrMo, 12Cr1MoV, nezvimwewo) substrate inokurudzirwa kuti ishandiswe pasi pemamiriro ekushanda asiri epamusoro kupfuura 540 ℃; Iyo inopisa isingadziviriri simbi isina simbi substrate inokurudzirwa kuti ishandiswe pasi pemamiriro ekushanda asiri anopfuura 800 ℃.
4. Iyo alloy rukoko rwekupfeka-husinga gadziriswe simbi simbi ine yakanaka ngura kuramba ine yakakwira muzana simbi chromium, saka ine imwe yekudzivirira ngura uye ngura kuramba. Inoshandiswa mumarasha chute uye fanera kudzivirira kunamira kwemarasha.
5.Kusimba kunoshanda, kusakara-kuumbika kwakasanganiswa simbi ndiro ine akasiyana maratidziro uye mhando, uye rave remhando nhevedzano. Ukobvu hwekupfeka husingagumi alloy layer ndeye 3 ~ 20mm. Iko kushoma kwekukora kwesimbi simbi ndiro ndeye 6mm, uye ukobvu hauperi. Standard kusakara nemishonga rinoumba simbi yairema anogona kupa 1200 kana 1450 × 2000mm, kana customized maererano mufanidzo saizi maererano rokushandisa zvinodiwa. Pfeka inodzivirira simbi simbi ndiro yazvino yakakamurwa kuita yakajairwa mhando, kukanganisa kusagadzikana mhando uye yakanyanya tembiricha mhando. Inofanirwa kutsanangurwa painoraira yakanyanya tembiricha yekupfeka-inomira uye kukanganisa inopesana nemhando yesimbi simbi.
6.Kubatsira kugadzirisa mashandiro ekupfeka-asingagadzirisike simbi simbi ndiro inogona kutemwa, kuenzaniswa, kupetwa, kukotama uye crimped. Inogona kugadzirwa yakadzika sandara, arc ndiro, koni ndiro uye humburumbira. Iyo yakatemwa yakasanganiswa ndiro inogona kusunganidzwa mumhando dzakasiyana-siyana dzeinjiniya kana zvikamu. Iyo yakasanganiswa ndiro inogona zvakare kudziirwa uye kumanikidzwa kuita yakaoma chimiro ine chakuvhuvhu. Iyo yakasakara-isinganzwisisike simbi simbi ndiro inogona kumisikidzwa pane iyo michina nemabhaudhi kana welding, iri nyore kutsiva uye kugadzirisa.
7. Kunyange hazvo mari yekugadzira ichiwedzerwa, hupenyu hwebasa hwakawedzerwa kanoverengeka, izvo zvinoderedza zvakanyanya mutengo wekuchengetedza uye kurasikirwa kwekudzima. Basa rayo rekuita rakada kuita zvakapetwa kairi kusvika ka4 pane rwezvinhu zvakajairwa. Iyo yakakura iyo yekugadzirisa zvinhu inokwana uye iyo yakanyanya kukura iyo midziyo kupfeka, zvinonyanya kuoneka hupfumi mhedzisiro yekushandisa kusakara-isingaumbirwe simbi simbi ndiro.
Kana kukuya kwezvinhu kuri pakati nepakati (slag Bond basa indekisi 20, mbishi yekudya Bond basa index 10, marasha Hastelloy index 75 kana ton kudyiwa kwe3G / T), yakajairwa nguva yekushanda yezvipenga-zvinodzivirira zvikamu zve slag yakatwasuka chigayo mushure mekuratidzira kunogona inosvika maawa e1800 ~ 2000, nguva yekushanda yezvipenga zvinodzivira zvemarasha yakatwasuka inogona kusvika maawa anopfuura zviuru mazana manomwe, uye nguva yekushanda yezvipenga zvinodziya zvechigayo chikafu chakamira chegayo chinogona kusvika anopfuura maawa 7000 Kana nguva yekushanda Kupfeka-kusagadzikana zvikamu zve simende inonamira yakatwasuka inosvika anopfuura maawa 2500 uye nguva yekushanda ye extrusion roller inosvika anopfuura maawa e4000 (mushure mekubuda online) ~ maawa 8000 (mushure mekubuda kunze kweInternet), zvinogona kutariswa kuti zvikamu zvinodzivirira mushure mekuratidzira unosangana nezvinotarisirwa kupfeka kuita zvinodiwa.
Yekutenderera yakamira yekumira yekupfeka-inodzivirira zvikamu zvine yakakanda base zvinhu zveiyo yakakwira chromium yakakanda simbi kana nickel yakaoma Ⅳ, iyo yekumusoro yakaturikidzana haidonhe pasi mukati memwedzi mitatu mushure mekumisikidzwa kwekugadziriswazve uye kuiswa mukushanda.