Mohato oa pele oa indasteri ea li-valve (1949-1959)
01 Hlophisa ho sebeletsa tsosoloso ea moruo oa naha
Nako ea ho tloha ka 1949 ho ea ho 1952 e ne e le nako ea ntlafatso ea moruo oa naha ea heso. Ka lebaka la litlhoko tsa kaho ea moruo, naha e hloka ka potlako palo e kholo eali-valve, eseng feelali-valve tsa khatello e tlase, empa hape le sehlopha sa li-valve tsa khatello e phahameng le e mahareng tse neng li sa etsoa ka nako eo. Mokhoa oa ho hlophisa tlhahiso ea li-valve ho fihlela litlhoko tse potlakileng tsa naha ke mosebetsi o boima le o boima.
1. Tataiso le tšehetso ea tlhahiso
Ho ea ka leano la "ntlafatso ea tlhahiso, ho atlehisa moruo, ho nahanoa ka bobeli ba sechaba le ba poraefete, 'me ba ruisa basebetsi le chelete e ngata",' muso oa batho o amohela mokhoa oa ho sebetsa le ho odara, 'me o ts'ehetsa likhoebo tse nyane le tse ikemetseng ka matla. bula hape le ho hlahisa li-valve. Bosiung ba ho thehoa ha People's Republic of China, Shenyang Chengfa Iron Factory e ile ea qetella e koetse khoebo ea eona ka lebaka la likoloto tsa eona tse boima le ho se maraka bakeng sa lihlahisoa tsa eona, e siea basebetsi ba 7 feela ba lebela fektheri, 'me ba rekisa lisebelisoa tsa mochine tse 14 ho hlokomela. ditshenyehelo. Ka mor’a ho thehoa ha New China, ka tšehetso ea ’muso oa batho, feme e ile ea tsosolosa tlhahiso, ’me palo ea basebetsi selemong seo e ile ea eketseha ho tloha ho 7 ho ea ho 96 ha e qala. Kamora moo, feme e ile ea amohela ts'ebetso ea thepa ho tsoa ho Shenyang Hardware Machinery Company, mme tlhahiso e ile ea nka chebahalo e ncha. Palo ea basebetsi e eketsehile ho fihla ho 329, ka tlhahiso ea selemo le selemo ea lihlopha tse 610 tsa li-valve tse fapaneng, tse nang le boleng ba li-yuan tse 830,000. Ka nako e ts'oanang Shanghai, eseng feela likhoebo tsa poraefete tse neng li hlahisitse li-valve li ile tsa buloa hape, empa ka ho hlaphoheloa ha moruo oa naha, likhoebo tse nyane tse ikemetseng li ile tsa buloa kapa tsa fetohela ho li-valve tsa tlhahiso, tse ileng tsa etsa mokhatlo oa Mokhatlo oa Kaho ea Hardware. nako eo e atoloha ka potlako.
2. Theko le thekiso e kopaneng, hlophisa tlhahiso ea li-valve
Ka palo e kholo ea likhoebo tse ikemetseng tse fetohang tlhahiso ea li-valve, Mokhatlo oa pele oa Shanghai Construction Hardware Association ha o khone ho fihlela litlhoko tsa nts'etsopele. Ka 1951, baetsi ba li-valve tsa Shanghai ba thehile likhoebo tse 6 tse kopanetsoeng ho etsa mesebetsi ea ho lokisa le ho odara Seteishene sa Theko sa Shanghai sa China Hardware Machinery Company, le ho kenya tšebetsong theko le thekiso e kopaneng. Mohlala, Daxin Iron Works, e etsang mosebetsi oa li-valve tse kholo tse nang le khatello e tlase, le Yuanda, Zhongxin, Jinlong le Lianggong Machinery Factory, e etsang tlhahiso ea li-valve tsa khatello e phahameng le e mahareng, kaofela li tšehetsoa ke Shanghai. Municipal Utility Bureau of Public Utilities, Lekala la Indasteri la East China le Central Fuel. Tlas'a botataisi ba Petroleum Administration ea Lekala la Indasteri, litaelo tse tobileng lia kengoa ts'ebetsong, ebe li fetohela ho li-process orders. 'Muso oa Batho o thusitse likhoebo tse ikemetseng ho hlola mathata a tlhahiso le thekiso ka leano le kopaneng la ho reka le ho rekisa, qalong o fetotse moferefere oa moruo oa likhoebo tse ikemetseng,' me o ntlafalitse cheseho ea tlhahiso ea beng ba likhoebo le basebetsi, ba salletseng morao haholo ka theknoloji, lisebelisoa. le maemo a fektheri Tlas'a maemo, e fane ka lihlahisoa tse ngata tsa li-valve bakeng sa likhoebo tsa bohlokoa tse kang limela tsa motlakase, limela tsa tšepe le masimo a oli ho tsosolosa tlhahiso.
3. Ntlafatso ea tsosoloso ea litšebeletso tsa kaho ea moruo oa naha
Morerong oa pele oa lilemo tse hlano, mmuso o hloaile merero ea kaho ea bohlokoa e 156, eo ho eona tsosoloso ea Yumen Oil Field le tlhahiso ea Anshan Iron and Steel Company e leng merero e 'meli e meholo. E le ho tsosolosa tlhahiso Yumen Oilfield kapele kamoo ho ka khonehang, Ofisi ea Tsamaiso ea Petroleum ea Lekala la Indasteri ea Mafura e ile ea hlophisa tlhahiso ea likarolo tsa mechine ea peterole Shanghai. Feme ea lisebelisuoa tsa Shanghai Jinlong le tse ling li nkile mosebetsi oa ho hlahisa sehlopha sa li-valve tsa tšepe tsa khatello e mahareng. Hoa utloahala ho nahana ka bothata ba li-valve tsa khatello ea mahareng tse hlahisang liteko ke lifeme tse nyane tse kang liworkshop. Mefuta e meng e ka etsisoa feela ho latela mehlala e fanoeng ke basebelisi, 'me lintho tsa sebele li hlahlojoa le ho etsoa limmapa. Kaha boleng ba lisebelisoa tsa tšepe bo ne bo sa lekana, 'mele oa pele oa li-valve tsa tšepe o ne o tlameha ho fetoloa ho ba forgings. Ka nako eo, ho ne ho se na lefu la ho phunya bakeng sa ts'ebetso ea lesoba la oblique ea 'mele oa li-valve tsa lefats'e, ka hona o ne o ka phunngoa ka letsoho feela, ebe o lokisoa ke motho ea sebetsang hantle. Kamora ho hlola mathata a mangata, re ile ra qetella re atlehile tlhahisong ea liteko ea NPS3/8 ~ NPS2 li-valve tsa heke tsa tšepe tse hatelletsoeng mahareng le li-globe valves, tse ileng tsa amoheloa hantle ke basebelisi. Karolong ea bobeli ea 1952, Shanghai Yuanta, Zhongxin, Weiye, Lianggong le lifeme tse ling li ile tsa nka mosebetsi oa tlhahiso ea liteko le tlhahiso e kholo ea li-valve tsa tšepe tse entsoeng ka tšepe bakeng sa peterole. Ka nako eo, liqapi le litekanyetso tsa Soviet li ne li sebelisoa, 'me litsebi li ile tsa ithuta ka ho etsa,' me tsa hlōla mathata a mangata a tlhahiso. Tlhahiso ea teko ea li-valve tsa tšepe tsa Shanghai e ile ea hlophisoa ke Lekala la Petroleum, hape ea fumana tšebelisano-'moho le lifeme tse fapaneng tsa Shanghai. Asia Factory (eo hona joale e leng Shanghai Machine Repair Factory) e fane ka litšepe tse neng li finyella litlhoko, 'me Sifang Boiler Factory e ile ea thusa ka ho qhomisa. Tlhahlobo e ile ea qetella e atlehile tlhahisong ea teko ea prototype ea li-valve tsa tšepe, 'me hang-hang ea hlophisa tlhahiso ea bongata' me ea e romela Yumen Oilfield bakeng sa ho sebelisoa ka nako. Ka nako e ts'oanang, Shenyang Chengfa Iron Works le Shanghai Daxin Iron Works le tsona li fane kali-valve tsa khatello e tlasee nang le boholo bo boholo ba mabitso bakeng sa lifeme tsa motlakase, Anshan Iron and Steel Company ho qala tlhahiso le kaho ea litoropo.
Nakong ea ntlafatso ea moruo oa naha, indasteri ea li-valve ea naha ea heso e tsoetse pele ka potlako. Ka 1949, tlhahiso ea li-valve e ne e le 387t feela, e ileng ea eketseha ho 1015t ka 1952. Ha e le hantle, e khonne ho etsa li-valve tsa tšepe tse entsoeng ka tšepe le li-valve tse kholo tse tlaase, tse sa faneng feela ka li-valve tse tšoanang bakeng sa ho tsosolosa moruo oa naha, empa. hape rala motheo o motle bakeng sa nts'etsopele ea nako e tlang ea indasteri ea li-valve tsa China.
02Indasteri ea li-valve e qalile
Ka 1953, naha ea heso e ile ea qala moralo oa eona oa pele oa lilemo tse hlano, ’me mafapha a indasteri a kang petroliamo, indasteri ea lik’hemik’hale, metallurgy, matla a motlakase le mashala kaofela a potlakisa lebelo la tsoelopele. Ka nako ena, tlhoko ea li-valve e eketseha. Ka nako eo, le hoja ho ne ho e-na le lifeme tse nyenyane tse ikemetseng tse hlahisang li-valve, matla a tsona a botekgeniki a ne a fokola, thepa ea tsona e ne e siiloe ke nako, lifeme tsa tsona li ne li le bonolo, likala tsa tsona li le nyenyane haholo, ’me li hasane haholo. E le ho finyella litlhoko tsa tsoelo-pele e potlakileng ea moruo oa naha, Lekala la Pele la Indasteri ea Mechini (le bitsoang Lekala la Pele la Mechini) le tsoela pele ho hlophisa bocha le ho fetola likhoebo tsa pele tsa poraefete le ho atolosa tlhahiso ea li-valve. Ka nako e ts'oanang, ho na le merero le mehato ea ho haha mokokotlo le li-valve tsa bohlokoa. Khoebo, indasteri ea li-valve ea naha ea heso e ile ea qala ho qala.
1. Ho hlophisoa bocha ha indasteri ea li-valve tsa bobeli Shanghai
Ka mor'a ho thehoa ha New China, Mokha o ile oa kenya ts'ebetsong leano la "ts'ebeliso, lithibelo le phetoho" bakeng sa indasteri ea lichelete le khoebo.
Ho ile ha fumaneha hore ho na le lifeme tse nyane tse 60 kapa tse 70 Shanghai. Feme e kholo ka ho fetisisa ho tsena e ne e e-na le batho ba 20 ho isa ho ba 30 feela, ’me e nyenyane ka ho fetisisa e ne e e-na le batho ba ’maloa feela. Le hoja lifeme tsena tsa li-valve li hlahisa li-valve, theknoloji le tsamaiso ea tsona li morao haholo, thepa le mehaho ea fektheri e bonolo, 'me mekhoa ea tlhahiso e bonolo. Tse ling li na le lisebelisoa tse bonolo kapa tse peli feela tsa mochini oa mabanta, 'me ho na le libopi tsa crucible tsa ho lahla, tseo boholo ba tsona li sebetsang ka letsoho. , ntle le bokhoni ba moralo le lisebelisoa tsa tlhahlobo. Boemo bona ha bo tšoanelehe bakeng sa tlhahiso ea morao-rao, ebile ha bo khone ho finyella litlhoko tse reriloeng tsa tlhahiso ea mmuso, 'me ho ke ke ha khoneha ho laola boleng ba lihlahisoa tsa li-valve. Ho fihlela sena, 'Muso oa Batho ba Masepala oa Shanghai o thehile khoebo e kopanetsoeng le baetsi ba li-valve Shanghai,' me ba thehile Shanghai Pipeline Switches No. 1, No. 2, No. 3, No. 4, No. 5, No. likhoebo tse bohareng. Ho kopanya tse ka holimo, tsamaiso e bohareng mabapi le thekenoloji le boleng, eo ka katleho e kopanyang tsamaiso e hasaneng le e ferekaneng, kahoo e bokella haholo cheseho ea basebetsi ba bangata ho haha socialism, ena ke tlhophiso ea pele e kholo ea indasteri ea valve.
Ka mor'a tšebelisano ea sechaba le ea poraefete ka 1956, indasteri ea li-valve e Shanghai e ile ea e-ba le tokiso ea bobeli le tsosoloso ea indasteri ka tekanyo e kholo, 'me lik'hamphani tsa litsebi tse kang Shanghai Construction Hardware Company, Petroleum Machinery Parts Manufacturing Company le General Machinery Company li ile tsa thehoa. Khampani ea li-valve qalong e amanang le indasteri ea lisebelisoa tsa kaho e thehile Yuanda, Rongfa, Zhongxin, Weiye, Jinlong, Zhao Yongda, Tongxin, Fuchang, Wang Yingqi, Yunchang, Dehe, Jinfa, le Xie ka libaka. Ho na le lifeme tse ka bang 20 tse bohareng Dalian, Yuchang, Deda, joalo-joalo. Fektheri e 'ngoe le e' ngoe e bohareng e na le lifeme tse 'maloa tsa sathelaete tlas'a taolo ea eona. Ho ile ha thehoa lekala la mokha le mokhatlo o kopaneng oa basebetsi setsing se bohareng. ’Muso o ile oa abela baemeli ba sechaba hore ba okamele mosebetsi oa tsamaiso, le mekhatlo ea khoebo ea tlhahiso, phepelo le ea lichelete, ’me butle-butle ea kenya tšebetsong mekhoa ea tsamaiso e tšoanang le ea likhoebo tsa ’muso. Ka nako e tšoanang, sebaka sa Shenyang le sona se ile sa kopanya lifeme tse nyenyane tse 21 ho ChengfaBalofo ea HekeFeme. Ho tloha ka nako eo, mmuso o tlisitse tlhahiso ya dikgwebo tse nyane le tse mahareng mothating wa moralo wa naha ka ditheo tsa taolo maemong ohle, mme e rerile le ho hlophisa tlhahiso ya valve. Ena ke phetoho tsamaisong ea tlhahiso ea likhoebo tsa li-valve ho tloha ha ho thehoa New China.
2. Shenyang General Machinery Factory e fetotsoe ho hlahisa li-valve
Ka nako e tšoanang ha ho hlophisoa bocha baetsi ba li-valve Shanghai, Lefapha la Pele la Mechini le ile la arola tlhahiso ea lihlahisoa tsa fektheri e 'ngoe le e' ngoe e amanang ka kotloloho, 'me la hlakisa tataiso ea tlhahiso ea litsebi tsa lifeme tse ikopantseng le lifeme tse kholoanyane tsa lehae tsa mmuso. Shenyang General Machinery Factory e ile ea fetoloa hore e be moetsi oa li-valve ea hloahloa. khoebo. Sebaka sa pele sa fektheri e ne e le ofisi ea khoebo e kholo ea khoebo e kholo le feme ea Japane ea indasteri ea maiketsetso ea Dechang. Ka mor'a ho thehoa ha New China, fektheri e ile ea hlahisa lisebelisoa tse sa tšoaneng tsa mochine le liphaephe. Ka 1953, e ile ea qala ho hlahisa mechine ea mapolanka. Ka 1954, ha e se e le tlas’a tsamaiso ea Lekala la Pele la Lekala la Mechini ka kotloloho, e ne e e-na le basebetsi ba 1,585 le lihlopha tse 147 tsa mechini le lisebelisoa tse fapaneng. 'Me e na le matla a tlhahiso ea tšepe ea tšepe,' me matla a botekgeniki a batla a le matla. Ho tloha ka 1955, e le ho ikamahanya le nts'etsopele ea moralo oa naha, e fetohile ka ho hlaka tlhahiso ea li-valve, e tsosolositse mosebetsi oa pele oa tšepe, kopano, lisebelisoa, lithupelo tsa ho lokisa mochine le lithupelo tsa tšepe, e hahile workshop e ncha ea riveting le welding, 'me e thehile laboratori e bohareng le setsi sa netefatso sa metrological. Litsebi tse ling li ile tsa tlosoa fekthering ea Shenyang Pump. Ka 1956, 837t eali-valve tsa khatello e tlaseli ile tsa hlahisoa, 'me tlhahiso ea boima ba li-valve tsa khatello e phahameng le e mahareng e ile ea qala. Ka 1959, 4213t ea li-valve li ile tsa hlahisoa, ho kenyelletsa le 1291t ea li-valve tsa khatello e phahameng le e bohareng. Ka 1962, e ile ea rehoa Shenyang High le Medium Pressure Valve Factory 'me ea fetoha e' ngoe ea likhoebo tse kholo ka ho fetisisa tsa mokokotlo indastering ea li-valve.
3. Sehlohlolo sa pele sa tlhahiso ea li-valve
Matsatsing a pele a ho theoa ha New China, tlhahiso ea li-valve tsa naha ea heso e ile ea rarolloa haholo ke tšebelisano 'moho le lintoa. Nakong ea "Great Leap Forward", indasteri ea li-valve ea naha ea heso e bile le sehlohlolo sa eona sa pele sa tlhahiso. Phallo ea li-valve: 387t ka 1949, 8126t ka 1956, 49746t ka 1959, 128.5 makhetlo a 1949, le makhetlo a 6.1 a 1956 ha ho thehoa selekane sa sechaba le poraefete. Tlhahiso ea li-valve tsa khatello e phahameng le e bohareng e qalile ka morao, 'me tlhahiso ea boima e qalile ka 1956, ka tlhahiso ea selemo ea 175t. Ka 1959, tlhahiso e fihlile ho 1799t, e leng makhetlo a 10.3 ho feta a 1956. Tsoelo-pele e potlakileng ea kaho ea moruo oa naha e khothalelitse tsoelo-pele e kholo ea indasteri ea li-valve. Ka 1955, Shanghai Lianggong Valve Factory e atlehile ho hlahisa valve ea sefate sa Keresemese bakeng sa Yumen Oilfield; Shanghai Yuanda, Zhongxin, Weiye, Rongfa le lifeme tse ling tsa mochini tse entsoeng ka liteko tse entsoeng ka tšepe, li-valve tsa tšepe tse entsoeng ka tšepe le li-valve tse phahameng tsa khatello le khatello ea lebitso bakeng sa masimo a oli le limela tsa manyolo Li-valve tsa manyolo tse nang le khatello e phahameng ea PN160 le PN320; Shenyang General Machinery Factory le Suzhou Iron Factory (eo e neng e le pele ho Suzhou Valve Factory) e atlehile ho hlahisa li-valve tsa khatello e phahameng bakeng sa fektheri ea manyolo ea Jilin Chemical Industry Corporation; Shenyang Chengfa Iron Factory e atlehile ho hlahisa valve ea heke ea motlakase e nang le boholo ba lebitso la DN3000. E ne e le belofo e kholo ka ho fetisisa le e boima ka ho fetisisa Chaena ka nako eo; Shenyang General Machinery Factory e atlehile ho hlahisa li-valve tsa khatello e phahameng ka ho fetisisa tse nang le boholo ba mabitso a DN3 ~ DN10 le likhatello tsa lebitso la PN1500 ~ PN2000 bakeng sa mochine o phahameng oa khatello ea polyethylene ea mahareng; Shanghai Daxin Iron Factory e hlahisoang bakeng sa indasteri ea metallurgic The valve ea moea o chesang oa mocheso o phahameng o nang le boholo ba lebitso la DN600 le valve ea flue ea DN900; Dalian Valve Factory, Wafangdian Valve Factory, joalo-joalo le tsona li fihletse tsoelo-pele e potlakileng. Keketseho ea mefuta le bongata ba li-valve e khothalelitse nts'etsopele ea indasteri ea li-valve. Haholo-holo ka litlhoko tsa kaho tsa indasteri ea "Great Leap Forward", lifeme tse nyane le tse mahareng tsa li-valve li hlahile naheng eohle. Ka 1958, likhoebo tsa tlhahiso ea li-valve tsa naha li ne li e-na le tse ka bang lekholo, tse etsang sehlopha se seholo sa tlhahiso ea li-valve. Ka 1958, kakaretso ea li-valve e ile ea nyolohela ho 24,163t, keketseho ea 80% ho feta 1957; Nakong ena ea nako, tlhahiso ea li-valve naheng ea heso e bile le sehlohlolo sa eona sa pele. Leha ho le joalo, ka lebaka la ho qalisoa ha baetsi ba li-valve, ho ile ha boela ha tlisa letoto la mathata. Mohlala: ho phehella bongata feela, eseng boleng; "ho etsa tse nyane le ho etsa mekhoa e meholo, ea lehae", khaello ea maemo a theknoloji; moralo ha o ntse o etsa, khaello ea mehopolo e tloaelehileng; kopitsa le ho kopitsa, ho baka pherekano ea tekheniki. Ka lebaka la mekhoa ea bona e fapaneng, e 'ngoe le e' ngoe ea tsona e na le mefuta e fapaneng. Mantsoe a li-valve ha a tšoane libakeng tse fapaneng, 'me khatello ea lebitso le letoto la boholo ba lebitso ha li tšoane. Lifeme tse ling li bua ka litekanyetso tsa Soviet, tse ling li bua ka litekanyetso tsa Majapane, 'me tse ling li bua ka litekanyetso tsa Amerika le tsa Borithane. Pherekano haholo. Mabapi le mefuta, litlhaloso, litekanyo tsa khokahanyo, bolelele ba sebopeho, maemo a teko, litekanyetso tsa teko, matšoao a pente, 'mele le lik'hemik'hale, le tekanyo, joalo-joalo. ha e na tiisetso, tlhahiso ha e ea nyoloha, 'me melemo ea moruo ha e ntlafatsoe. Boemo ka nako eo bo ne bo "qhalakane, bo ferekanngoa, bo fokolang, 'me bo le tlase", ke hore, lifeme tsa li-valve li hasane hohle, tsamaiso ea tsamaiso e ferekaneng, ho hloka litekanyetso tse kopanetsoeng tsa theknoloji le litlhaloso, le boleng bo tlaase ba sehlahisoa. E le ho fetola boemo bona morao, mmuso o ile wa etsa qeto ya ho hlophisa basebetsi ba amehang ho etsa dipatlisiso tsa tlhahiso ya naha kabelofoindasteri.
4. Tlhahlobo ea pele ea tlhahiso ea li-valve tsa naha
E le ho fumana boemo ba tlhahiso ea li-valve, ka 1958, Ofisi ea Pele le ea Boraro ea Lefapha la Pele la Mechini e ile ea hlophisa tlhahlobo ea naha ea tlhahiso ea li-valve. Sehlopha sa lipatlisiso se ile sa ea libakeng tse 4 le litoropong tse 24 tse ka leboea-bochabela ho Chaena, Chaena Leboea, Chaena Bochabela le Bohareng ba Chaena ho ea etsa lipatlisiso tse felletseng ka lifeme tse 90 tsa li-valve. Ena ke tlhahlobo ea pele ea li-valve naheng ka bophara ho tloha ho thehoeng ha People's Republic of China. Ka nako eo, phuputso e ne e tsepamisitse maikutlo ho baetsi ba li-valve ba nang le tekanyo e kholoanyane le mefuta e mengata le litlhaloso, tse kang Shenyang General Machinery Factory, Shenyang Chengfa Iron Factory, Suzhou Iron Factory, le Dalian Valve. Fektheri, Beijing Hardware Material Factory (pele ho Beijing Valve Factory), Wafangdian Valve Factory, Chongqing Valve Factory, baetsi ba li-valve ba 'maloa ba Shanghai le Shanghai Pipeline Switch 1, 2, 3, 4, 5 le 6 lifeme, joalo-joalo.
Ka lipatlisiso, mathata a mantlha a teng tlhahisong ea li-valve a fumanoe a fumaneha:
1) Khaello ea moralo o akaretsang le karohano e loketseng ea basebetsi, e bakang tlhahiso e pheta-phetoang le ho ama matla a tlhahiso.
2) Litekanyetso tsa sehlahisoa sa li-valve ha li kopane, e leng se bakileng tšitiso e kholo khethong le tlhokomelong ea mosebelisi.
3) Motheo oa mosebetsi oa ho lekanya le oa ho hlahloba o futsanehile haholo, 'me ho thata ho netefatsa boleng ba lihlahisoa tsa li-valve le tlhahiso ea bongata.
E le ho arabela mathateng a ka holimo, sehlopha sa lipatlisiso se hlahisitse mehato e meraro ho makala le liofisi, ho kenyelletsa le ho matlafatsa moralo oa kakaretso, karohano e utloahalang ea mosebetsi, le ho hlophisa tekanyo ea tlhahiso le thekiso; ho matlafatsa maemo le mosebetsi oa tlhahlobo ea 'mele le oa lik'hemik'hale, ho theha litekanyetso tse kopaneng tsa li-valve; le ho etsa lipatlisiso tsa liteko. 1. Baetapele ba Bureau ea 3 ba ile ba nka taba ena e le ea bohlokoa haholo. Pele ho tsohle, ba ne ba tsepamisitse maikutlo mosebetsing oa maemo. Ba file Machinery Manufacturing Technology Research Institute ea Lekala la Pele la Mechine ho hlophisa baetsi ba li-valve ba amehang ho etsa litekanyetso tsa lisebelisoa tsa lipeipi tse fanoeng ke bosebeletsi, tse ileng tsa kengoa tšebetsong indastering ka 1961. E le ho tataisa moralo oa li-valve femeng ka 'ngoe, setheo se hlophisitse le ho hatisa "Buka ea Moralo oa Valve". Tekanyetso ea lisebelisoa tsa liphaephe tse fanoeng ke lekala ke sehlopha sa pele sa maemo a li-valve naheng ea heso, 'me "Valve Design Manual" ke data ea pele ea moralo oa li-valve e hlophisitsoeng ke rona, e bileng le karolo e ntle ho ntlafatseng boemo ba moralo oa li-valve. lihlahisoa naheng ea heso. Ka phuputso ena ea naha ka bophara, sehlohlolo sa nts'etsopele ea indasteri ea li-valve tsa naha ea heso lilemong tse 10 tse fetileng e fumanoe, 'me mehato e sebetsang le e sebetsang e nkiloe ho felisa ka ho feletseng ketsiso e ferekaneng ea tlhahiso ea li-valve le khaello ea litekanyetso. Theknoloji ea tlhahiso ea lihlahisoa e ile ea nka mohato o moholo pele 'me ea qala ho kena sethaleng se secha sa ho iketsetsa le ho hlophisa tlhahiso ea bongata.
03 Kakaretso
Ho tloha ka 1949 ho isa ho 1959, naha ea hesobelofoindasteri e ile ea hlaphoheloa kapele bohlasoa ba China ea khale mme ea qala ho qala; ho tloha tlhokomelong, ketsiso ho isa boiketsetsongdho etsa tlhahiso le ho etsa, ho tloha ha ho etsoa li-valve tsa khatello e tlaase ho ea ho tlhahiso ea li-valve tse phahameng le tse mahareng tsa khatello, qalong e ile ea theha indasteri ea tlhahiso ea li-valve. Leha ho le joalo, ka lebaka la tsoelo-pele e potlakileng ea lebelo la tlhahiso, ho boetse ho na le mathata a mang. Ho tloha ha e kenyelelitsoe morerong oa naha, tlas'a tsamaiso e bohareng ea Lekala la Pele la Mechini, sesosa sa bothata se fumanoe ka lipatlisiso le lipatlisiso, 'me ho nkiloe litharollo le mehato e sebetsang e le hore tlhahiso ea li-valve e tsoele pele. ka lebelo la kaho ea moruo oa naha, le bakeng sa nts'etsopele ea indasteri ea li-valve. 'Me ho thehoa ha mekhatlo ea indasteri ho ralile motheo o motle.
Nako ea poso: Jul-27-2022
