High silicon corrosion resistant iron cast of valve material

Tekanyetso ena e totobatsa litlhoko tsa tekheniki, mekhoa ea liteko, lisampole le melao ea tlhahlobo, ho tšoaea, ho paka, ho boloka le ho tsamaisa lipehelo bakeng sa tšepe e phahameng ea silicon corrosion. Tekanyetso ena e sebetsa ho tšepe e phahameng ea silicon corrosion e hananang le silicon e nang le 10, 00% ~ 15. 00%. Litšoantšo tse bontšang litlhaloso, libopeho le litekanyo, litaelo tsa ho hloekisa, litšoantšo tse bontšang litekanyo tsa bohlokoa le ho fana ka mamello eohle. Haeba moreki a fana ka mohlala, boholo ba ho lahla bo tla lumellana le boholo bo boloketsoeng mohlala. Ho sa tsotellehe hore na ho hlokahala tlhahlobo ea hydraulic, 'me haeba ho joalo, khatello ea teko le ho lutla ho amohelehang ho lokela ho bontšoa. range Tekanyetso ena e totobatsa litlhoko tsa tekheniki, mekhoa ea liteko, lisampole le melao ea tlhahlobo, ho tšoaea, ho paka, ho boloka le ho tsamaisa litlhokahalo tsa lipalangoang bakeng sa tšepe e phahameng ea silicon corrosion. Tekanyetso ena e sebetsa ho tšepe e phahameng ea silicon corrosion e hanyetsanang le silicon e nang le 10, 00% ~ 15. 00%. Tokomane e tloaelehileng ea litšupiso Lipehelo tse litokomaneng tse latelang li fetoha lipehelo tsa Maemo ana ho latela Tekanyetso ena. Bakeng sa litemana tsa khale, litokiso tsohle tse latelang (ho sa kenyeletsoe erratum) kapa liphetoho ha li sebetse ho Tekanyetso ena; leha ho le joalo, batho ba nang le tumellano tlas'a Maemo ana ba khothaletsoa ho batlisisa ka boteng ba *** mefuta ea litokomane tsena. Bakeng sa litšupiso tse se nang nako, liphetolelo tsa bona li sebetsa ho latela maemo ana. Tlhahisoleseding ea taelo Lintlha tse latelang tsa taelo li tla fanoa ke motho ea batlang: a) Nomoro e tloaelehileng ea ts'ebetso. b) lets'oao le phahameng la tšepe la silicon. c) Palo ea lipapali. d) Boima ba ho lahla. e) Metako e bontšang litlhaloso, libopeho le boholo, litaelo tsa ho hloekisa, litšoantšo tse bontšang litekanyo tsa bohlokoa le ho fana ka mamello eohle. Haeba moreki a fana ka mohlala, boholo ba ho lahla bo tla lumellana le boholo bo boloketsoeng mohlala. Likhetho ka tatellano ea tlhahisoleseding: a) Boemo ba phekolo ea mocheso oa ho lahla nakong ea ho pepa; b) Hore na ho fa mokopi tlaleho ea tlhahlobo ea sebopeho sa lik'hemik'hale; c) Hore na ho hlokahala tlhahlobo ea ho kobeha; d) Ho sa tsotellehe hore na ho hlokahala tlhahlobo ea hydraulic, 'me haeba ho joalo, khatello ea teko le ho lutla ho amohelehang ho lokela ho bontšoa. e) Sephuthelo leha e le sefe se khethehileng, ho tšoaea, joalo-joalo Mokhoa oa Tlhahiso Ntle le ha ho boletsoe ka tsela e 'ngoe, mokhoa oa ho qhibiliha le mokhoa oa ho lahla o tla khethoa ke Mofani. Tlhokahalo ea tekheniki Kereiti le sebopeho sa lik'hemik'hale tsa tšepe e phahameng ea silicon corrosion resistant cast The grade expression of high silicon corrosion resistant iron o lumellana le lipehelo tsa GB/T 5612, tse arotsoeng ka limaraka tse nne. High silicon corrosion resistant cast iron grade and e tsamaelanang le chemical composition bona Ho amohelwa ha silicon corrosion resistant iron e tla itshetleha hodima dikhemikhale tsa yona, tse tla tsamaelana le dipehelo tsa Lethathamo la 1. Thepa ya metjhini Thepa ya motjhini tšepe ka kakaretso ha e nkoe e le motheo oa ho amoheloa. Haeba ho hlokoa ke motho ea batlang, molamu oa teko o tla beoa tekong ea ho koba ho fumana matla a ho koba le ho kheloha, 'me liphello tsa teko li tla lumellana le litokisetso tsa Letlapa la 2. (2) High silicon corrosion resistant iron iron ke mofuta oa mofuta oa brittle tšepe lintho tse bonahalang, ka moralo wa dibopeho tsa castings lona ha ea lokela ho ba bohale le hlabang sefapano karolo phetoho. Geometry le boholo ba li-castings li tla lumellana le litlhoko tsa motaki kapa tsa tekheniki. Haeba Demander a se na litlhokahalo tse khethehileng mabapi le mamello ea tekanyo ea ho bapala, ho tla lateloa litokisetso tse amehang tsa GB/T 6414. Li-castings li lokela ho hloekisoa, ho fokotsoa "nama", ho tlosa riser e tšelang, lesapo la mokokotlo, lehlabathe la letsopa le masala a ka hare, joalo-joalo. kapa litlhoko tsa tekheniki tsa moreki kapa tumellano ea odara lipakeng tsa mekha e 'meli. Holimo holimo: tšepe ea tšepe e sa khoneng ho bola ea silicon e phahameng ea lisebelisoa tsa valve (I) Thupa ea teko Teko e kobehang ea tšepe ea tšepe e sa khoneng ho bola ea silicon e nka teko e le 'ngoe e bophara ba 30mm le bolelele ba 330mm ntle le mochini oa mochini. Litlhaloso tsa eona li bonts'itsoe ho Setšoantšo sa 1. Unit: millimeter Tlhokomeliso: Boholo bo khothalletsoang ba ho lahla ba bar ea teko bo lokela ho pholile ho 540 ℃ ka hlobo pele lehlabathe le oela, 'me khatello e setseng e lokela ho tlosoa pele ho teko ea ho khumama. Molamu o le mong oa teko oa ho lahla o tla tšeloa ka har'a beche e le 'ngoe ea tšepe ea metsi joalo ka ha ho lahla (liphutheloana tsa mantlha le tsa ho qetela li ke ke tsa sebelisoa). Ka mokhoa o ts'oanang oa ho lahla, lithupa tse ngata tsa teko li ka tšeloa ka nako e le 'ngoe,' me ts'ebetso ea litšupiso e bontšoa ho Setšoantšo sa 2. Unit: millimeter Geometric and dimensional tolerances High silicon corrosion resistant iron cast ke mofuta oa lisebelisoa tsa tšepe tse brittle, le tse bohale. phetisetso ea karolo ea sefapano ha ea lokela ho hlokahala moralong oa sebopeho sa li-castings tsa eona. Geometry le boholo ba li-castings li tla lumellana le litlhoko tsa motaki kapa tsa tekheniki. Haeba Demander a se na litlhokahalo tse khethehileng mabapi le mamello ea tekanyo ea ho bapala, ho tla lateloa litokisetso tse amehang tsa GB/T 6414. Ho kheloha ha boima ba 'mele Haeba ho se na tlhokahalo e khethehileng ea ho theola boima ba' mele, ho tla lateloa litokisetso tse loketseng tsa GB/T 11351. Boleng ba bokaholimo Bokhopo ba bokaholimo ba castings bo tla lumellana le GB/T 6061.1 kapa litšoantšo tsa motho ea batlang kapa litlhoko tsa tekheniki. Li-castings li lokela ho hloekisoa, ho fokotsoa "nama", ho tlosa riser e tšelang, lesapo la mokokotlo, lehlabathe la letsopa le masala a ka hare, joalo-joalo. kapa litlhoko tsa tekheniki tsa moreki kapa tumellano ea odara lipakeng tsa mekha e 'meli. Bothata ba ho lahla Ha ho na ho ba le liphoso tse fokotsang matla le ho senya ponahalo ea sehlahisoa. Litšitiso tse lumelletsoeng le mokhoa oa ho apara li tla lumellana le lihlopha. Kalafo ea mocheso High silicon cast iron e atisa ho sebelisoa boemong ba phekolo ea mocheso (ho tlosa khatello ea kelello e setseng). Bakeng sa li-castings tse nyane tsa sebopeho se bonolo, haeba li fanoa e le samente, mahlakore ka bobeli a tlameha ho lumellana. Li-castings li tla fuoa kalafo ea mocheso ho tlosa khatello ea maikutlo e setseng. Haeba motho ea batlang a se na litlhoko tse khethehileng, ho lahla ho ka etsoa ka litsela tse latelang: Lehlabathe la ho lahla lehlabathe le lefubelu le chesang, kapele ho felisa khanyetso eohle ea mochine ho shrinkage ea mahala, ho felisa li-rosers, ho lahla ho chesang ho khubelu ka ho toba kalafo ea mocheso. preheating ea sebōpi e phahameng ho feta 600 ℃, ebe butle-butle e futhumatsa, mocheso o batlang o le tlase oa 870 ℃. Ka mocheso o phahameng ho feta 870 ℃, ho ea ka botenya ba lebota bo batlang bo le boholo ba li-castings, nako ea ho pata e lokela ho ba 1.h/25mm, empa nako e fokolang ea ho kenya letsoho ha ea lokela ho ba ka tlase ho 2h. Ebe e pholile ka lebelo le sa feteng 55 ℃/15 min. E pholile ho 205 ℃ ka sebōpi le moea o pholileng ka mocheso o tloaelehileng. Tlhokahalo e khethehileng Haeba motho ea batlang a e-na le litlhoko tsa tlhahlobo ea matla a khoheli, tlhahlobo ea ultrasonic, tlhahlobo ea X-ray, joalo-joalo, mokopi le mokopi ba tla buisana le ho phethahatsa ho latela lipehelo tsa GB/T 9444, GB/T 7233 le GB/T. 5677 ka ho latellana. Mokhoa oa teko Tlhahlobo ea lik'hemik'hale Mekhoa e tloaelehileng, ea spectral kapa e meng ea lisebelisoa ea amoheleha empa e lokela ho ba ea maemo ho hlahisa liphetho tse tšoanang. Mekhoa e tloaelehileng ea ho etsa sampole bakeng sa tlhahlobo ea lik'hemik'hale e tla etsoa ho latela GB/T 20066. The arbitrated analysis of carbon, silicon, manganese, sulfur le phosphorus ka har'a metsoako ea lik'hemik'hale e ne e baloa ho latela GB/T 20123 kapa GB/T 223.69,GB/ T 223.60, GB/T 223. 58 or GB/T 223. 64,GB/T 223. 3 or GB/T 223. 59 or GB/T 223. 61,GB/T 223. 53 Chrome, key, copper arbitration tlhahlobo e tla etsoa ho latela GB/T 223.11 kapa GB/T 223.12,GB/T 223.26,GB/T 223.18 kapa GB/T 223.19 kapa GB/T 223.53, ka ho latellana. Mokhoa oa spectral sampling o etsoa ho latela GB / T 5678 le GB / T 14203. Mokhoa oa ho hlahloba spectral o tla etsoa ho latela GB / T 20125.