{"id":1624,"date":"2019-05-22T02:47:32","date_gmt":"2019-05-22T02:47:32","guid":{"rendered":"http:\/\/www.meetyoucarbide.com\/single-post-application-of-powder-metallurgy-in-automobiles\/"},"modified":"2020-05-04T13:12:08","modified_gmt":"2020-05-04T13:12:08","slug":"application-of-powder-metallurgy-in-automobiles","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/tr\/application-of-powder-metallurgy-in-automobiles\/","title":{"rendered":"Otomobillerde toz metalurjisi uygulamas\u0131"},"content":{"rendered":"
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Otomobil par\u00e7alar\u0131n\u0131n \u00e7o\u011funun di\u015fli konstr\u00fcksiyon oldu\u011funu ve bu di\u015flilerin toz metalurjisi ile yap\u0131ld\u0131\u011f\u0131n\u0131 biliyoruz. \u00c7in'in oto end\u00fcstrisinin geli\u015fimi ve enerji tasarrufu ve emisyon azaltma gereksinimlerinin iyile\u015ftirilmesi ile otomotiv end\u00fcstrisinde toz metalurji teknolojisinin uygulanmas\u0131. Toz metalurjisi taraf\u0131ndan giderek daha fazla metal par\u00e7a \u00fcretilecektir. \u015eu anda, Avrupa'da otomobil ba\u015f\u0131na ortalama toz metalurjisi \u00fcr\u00fcn kullan\u0131m\u0131 14kg, Japonya 9kg, Amerika Birle\u015fik Devletleri 19.5kg veya daha fazlas\u0131na ula\u015fm\u0131\u015ft\u0131r ve \u00f6n\u00fcm\u00fczdeki birka\u00e7 y\u0131l i\u00e7inde 22kg'a ula\u015fmas\u0131 beklenmektedir. \u015eu anda, \u00c7in'de otomobil ba\u015f\u0131na ortalama toz metalurji \u00fcr\u00fcnleri miktar\u0131 sadece 5-6 kg'd\u0131r. Enerji tasarrufu ve emisyon azaltma fakt\u00f6rleri g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda, yerli i\u015fletmeler gelecekte otomobil par\u00e7alar\u0131 \u00fcretmek i\u00e7in daha fazla toz metalurjisi s\u00fcreci kullanacaklar.<\/div>\n
Toz metalurjisi par\u00e7alar\u0131n\u0131n otomobillerdeki da\u011f\u0131l\u0131m\u0131 \u015eekil 2'de g\u00f6sterilmektedir. Bunlar\u0131n aras\u0131nda \u015faside amortis\u00f6r par\u00e7alar\u0131, k\u0131lavuzlar, pistonlar ve al\u00e7ak valf yuvalar\u0131 vard\u0131r; Fren sisteminde ABS sens\u00f6rleri, fren balatalar\u0131 vb. pompa par\u00e7alar\u0131 temel olarak yak\u0131t pompas\u0131, ya\u011f pompas\u0131 ve \u015fanz\u0131man pompas\u0131nda anahtar bile\u015fenler i\u00e7erir; motor Kanallar, yar\u0131\u015flar, ba\u011flant\u0131 \u00e7ubuklar\u0131, muhafazalar, de\u011fi\u015fken valf zamanlama sistemi (VVT) anahtar bile\u015fenleri ve egzoz borusu yataklar\u0131, vb .; iletimde senkron g\u00f6bek ve planet ta\u015f\u0131y\u0131c\u0131 gibi bile\u015fenler bulunur.<\/div>\n
Otomobiller i\u00e7in enerji tasarrufu ve emisyon azaltma gerekliliklerinin iyile\u015ftirilmesiyle, son y\u0131llarda VVT par\u00e7alar\u0131, de\u011fi\u015fken pompalar ve fren vakum y\u00fckseltici pompa par\u00e7alar\u0131, bu \u00fc\u00e7 enerji tasarrufu ve emisyon azaltma oto par\u00e7as\u0131 kategorisinde yayg\u0131n olarak geli\u015ftirilmi\u015f ve uygulanm\u0131\u015ft\u0131r. .<\/div>\n

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1.VVT toz metalurji par\u00e7alar\u0131<\/h2>\n
VVT veya VCT (De\u011fi\u015fken Kam Zamanlama Sistemi), motor kam\u0131n\u0131n faz\u0131n\u0131 donan\u0131ml\u0131 kontrol ve y\u00fcr\u00fctme sistemi arac\u0131l\u0131\u011f\u0131yla ayarlar, b\u00f6ylece \u015farj verimlili\u011fini art\u0131rmak i\u00e7in supap a\u00e7ma ve kapama s\u00fcresi motor devri ile de\u011fi\u015fir. , motor g\u00fcc\u00fcn\u00fc art\u0131ran bir sistem. VVT veya VCT sistemlerinin akt\u00fcat\u00f6rleri - fazlay\u0131c\u0131n\u0131n ana bile\u015fenleri, stator, rotor ve u\u00e7 kapaklar\u0131 \u00e7o\u011funlukla toz metalurjisidir.<\/div>\n
\u0130lke, gelen hava miktar\u0131n\u0131 optimize etmek, yanma verimlili\u011fini art\u0131rmak ve emisyonlar\u0131 azaltmak i\u00e7in emme ve egzoz hacmini ve valf a\u00e7ma ve kapama zaman\u0131n\u0131 ve a\u00e7\u0131s\u0131n\u0131 motorun \u00e7al\u0131\u015fmas\u0131na g\u00f6re ayarlamakt\u0131r. Avantajlar\u0131 yak\u0131t ekonomisi ve g\u00fc\u00e7 art\u0131\u015f\u0131d\u0131r.<\/div>\n
1980 y\u0131l\u0131nda Alfa Romeo ilk olarak VVT teknolojisini kulland\u0131; 1989'da Honda ilk kez de\u011fi\u015fken valf kald\u0131rma kapasitesine sahip VVT teknolojisini kulland\u0131; 2001 y\u0131l\u0131nda BMW ilk kez VVT'yi geleneksel gazla de\u011fi\u015ftirdi.<\/div>\n
Teknolojide Toyota'n\u0131n VVT-i, Honda'n\u0131n VTEC ve i-VTEC, Mitsubishi MIVEC, Nissan'\u0131n CVVT ve Avrupa ve Amerikan \u015firketlerinin farkl\u0131 teknolojiler olan VCT'leri gibi \u00e7e\u015fitli otomobil \u015firketleri i\u00e7in farkl\u0131 isimler var. VVT veya VCT sisteminin akt\u00fcat\u00f6rleri - \u00e7ekirdek bile\u015fen di\u015flisi, stator, rotor (bkz. \u015eekil 3) ve fazlay\u0131c\u0131daki u\u00e7 kapaklar\u0131 \u00e7o\u011funlukla toz metalurjisi s\u00fcre\u00e7leridir.<\/div>\n

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VVT teknolojisinin kullan\u0131m\u0131, enerji tasarrufu, minyat\u00fcrle\u015ftirme, hafiflik ve yak\u0131t ekonomisi gibi uluslararas\u0131 otomotiv teknolojisi geli\u015ftirme trendine uygundur. Yerli bir i\u015fletmenin ger\u00e7ek tespitine g\u00f6re, 1.3L deplasmanl\u0131 ekonomik araba, VVT teknolojisi ile motorun g\u00fcc\u00fcn\u00fc 4.6% art\u0131rabilir ve 18.6% yak\u0131t tasarrufu sa\u011flayabilir.<\/div>\n

2. ya\u011f pompas\u0131 Toz metalurji par\u00e7alar\u0131<\/h2>\n
\u015eu anda, motor ya\u011f\u0131 pompas\u0131 ve otomatik \u015fanz\u0131man ya\u011f pompas\u0131 niceliksel bir ya\u011f pompas\u0131 kullan\u0131r ve niceliksel ya\u011f pompas\u0131 genellikle bir harici di\u015fli pompa, bir i\u00e7 \u00f6rg\u00fc sikloid pompa veya bir dahili di\u015fli pompad\u0131r. Bu tip pompan\u0131n di\u015flileri bir toz metalurjisi i\u015flemi kullan\u0131larak \u00fcretilir.<\/div>\n

3. ya\u011f pompas\u0131 Toz metalurji par\u00e7alar\u0131<\/h2>\n
Kantitatif ya\u011f pompas\u0131 i\u00e7in, motor g\u00fcc\u00fc artt\u0131k\u00e7a ya\u011f \u00e7\u0131k\u0131\u015f\u0131 artar ve ikisi do\u011frusald\u0131r. D\u00fc\u015f\u00fck h\u0131zda minimum ya\u011f \u00e7\u0131k\u0131\u015f\u0131n\u0131 ve y\u00fcksek h\u0131zda minimum ya\u011f bas\u0131nc\u0131n\u0131 sa\u011flamak i\u00e7in, ya\u011f pompas\u0131 daha b\u00fcy\u00fck olacak \u015fekilde tasarlanacakt\u0131r, bu da motor b\u00f6lmesi yerle\u015fimine daha y\u00fcksek gereksinimler getirir. Ayn\u0131 zamanda, motor y\u00fcksek h\u0131zdayken, ya\u011f devresinden fazla ya\u011f geri d\u00f6ner ve bu da motor g\u00fc\u00e7 t\u00fcketiminin artmas\u0131na neden olur. De\u011fi\u015fken ya\u011f pompas\u0131, yak\u0131t tasarrufu amac\u0131na ula\u015fmak i\u00e7in ya\u011f bas\u0131nc\u0131n\u0131 ve ya\u011f miktar\u0131n\u0131 motorun \u00e7al\u0131\u015fma durumuna g\u00f6re ayarlayacakt\u0131r.<\/div>\n
Ara\u015ft\u0131rma verilerine g\u00f6re, sabit deplasmanl\u0131 ya\u011f pompal\u0131 motorda, h\u0131z> 2500r \/ dak oldu\u011funda, g\u00fc\u00e7 ya\u011f\u0131n\u0131n yakla\u015f\u0131k 50%'si, bas\u0131n\u00e7 tahliye vanas\u0131ndan do\u011frudan ya\u011f pompas\u0131 giri\u015fine veya ya\u011f karterine geri akar ve enerji getirir. At\u0131k; kantitatif ya\u011f pompalar\u0131 yerine de\u011fi\u015fken ya\u011f pompalar\u0131n\u0131n kullan\u0131lmas\u0131 genellikle 2% ila 5% yak\u0131t ve CO2 emisyonlar\u0131n\u0131 1% ila 2% tasarruf edebilir.<\/div>\n
De\u011fi\u015fken deplasmanl\u0131 pompalar genellikle harici di\u015fli pompas\u0131, kanatl\u0131 pompa ve kanatl\u0131 pompa gibi bir yap\u0131ya sahiptir. Volkswagen'in EA888 projesi gibi harici di\u015fli pompas\u0131, biri di\u015flinin sabit bir eksenel pozisyonuna sahiptir ve di\u015flinin di\u011fer eksenel y\u00f6n\u00fc bas\u0131n\u00e7la ayarlan\u0131r. R\u00f6lanti devri oldu\u011funda, her iki vites birbirine ba\u011flan\u0131r. H\u0131z artt\u0131\u011f\u0131nda, pompan\u0131n bas\u0131nc\u0131 da bunu takip eder. Bas\u0131n\u00e7 y\u00fckseltildi\u011finde, s\u0131k\u0131\u015ft\u0131rma yay\u0131n\u0131n di\u015fli a\u011f k\u0131sm\u0131 k\u0131salt\u0131l\u0131r, b\u00f6ylece ya\u011f pompas\u0131n\u0131n ak\u0131\u015f h\u0131z\u0131 herhangi bir zamanda ayarlanabilir. Bu t\u00fcr pompalar\u0131n di\u015flileri bir toz metalurjisi i\u015flemi ile \u00fcretilmektedir.<\/div>\n
Kanatl\u0131 tip de\u011fi\u015fken pompa (bkz. \u015eekil 4) esas olarak bir stator, bir rotor ve bir kanattan olu\u015fur, burada stator ve rotor hem toz metalurjisi par\u00e7alar\u0131d\u0131r. Kanatl\u0131 tip de\u011fi\u015fken pompa, ak\u0131\u015f\u0131 ayarlamak i\u00e7in eksantrikli\u011fi bas\u0131n\u00e7la ayarlayarak \u00e7al\u0131\u015f\u0131r.<\/div>\n

\"\"<\/p>\n

Kanatl\u0131 tip de\u011fi\u015fken pompan\u0131n prensibi temel olarak kanatl\u0131 tip de\u011fi\u015fken pompan\u0131nki ile ayn\u0131d\u0131r ve eksantriklik, ak\u0131\u015f h\u0131z\u0131n\u0131 ayarlamak i\u00e7in ayarlan\u0131r. Yap\u0131s\u0131, kayar par\u00e7an\u0131n \u00e7elik bir par\u00e7a oldu\u011fu, ara par\u00e7an\u0131n kayan par\u00e7aya ba\u011fland\u0131\u011f\u0131, d\u0131\u015f k\u0131s\u0131m kayan bir man\u015fon ve orta bir rotor oldu\u011fu \u015eekil 5a'da g\u00f6sterilmi\u015ftir ve bu \u00fc\u00e7 par\u00e7a toz metalurjisidir. (bkz. \u015eekil 5b).<\/div>\n

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Toz metalurjisi par\u00e7alar\u0131nda 4. Fren g\u00fc\u00e7lendirici vakum pompas\u0131<\/h2>\n
Benzinli motorlarla donat\u0131lm\u0131\u015f ara\u00e7lar, motor ate\u015flendi\u011finden, emme manifoldunda, vakum destekli fren sistemi i\u00e7in yeterli vakum kayna\u011f\u0131 sa\u011flayabilen y\u00fcksek vakum bas\u0131nc\u0131 \u00fcretebilir. Mevcut vakum pompalar\u0131n\u0131n \u00e7o\u011fu emme manifolduna ba\u011fl\u0131d\u0131r. Ofiste. Y\u00fcksek emisyon ve \u00e7evre koruma gerekliliklerini kar\u015f\u0131lamak i\u00e7in, benzinli do\u011frudan enjeksiyon motoru, vakum freni y\u00fckseltme sisteminin gereksinimlerini kar\u015f\u0131lamak i\u00e7in emme manifoldunda ayn\u0131 seviyede vakum bas\u0131nc\u0131 sa\u011flayamaz. Bu nedenle, bir vakum pompas\u0131n\u0131n kurulmas\u0131 gerekir.<\/div>\n
Dizel tahrikli ara\u00e7lar i\u00e7in, emme bas\u0131nc\u0131 manifoldunda ayn\u0131 seviyede vakum bas\u0131nc\u0131 sa\u011flanamaz \u00e7\u00fcnk\u00fc motor bas\u0131n\u00e7la yanar, bu nedenle bir vakum kayna\u011f\u0131 sa\u011flamak i\u00e7in bir vakum pompas\u0131 gerekir. Vakum pompas\u0131n\u0131n g\u00fcc\u00fc (bkz. \u015eekil 6) do\u011frudan motordan elde edilir. G\u00fc\u00e7, toz metalurjisi rotorunu \u00e7al\u0131\u015ft\u0131rmak i\u00e7in toz metalurjisi kuplaj\u0131yla (bkz. \u015eekil 7) ve daha sonra plastik valfi tahrik eder. Rotor ve pompa haznesi belirli bir miktarda d\u0131\u015fmerkezli\u011fe sahiptir. Valf plakas\u0131n\u0131n d\u00f6n\u00fc\u015f\u00fc bir vakum olu\u015fturur ve son olarak fren destek etkisi tamamlan\u0131r. Bu tip vakum pompas\u0131 \u00f6ncelikle benzinli ve dizel motorlar\u0131n y\u00fcksek emisyon gereksinimlerini kar\u015f\u0131lamak i\u00e7in geli\u015ftirilmi\u015ftir ve emisyonlar\u0131n azalt\u0131lmas\u0131nda rol oynam\u0131\u015ft\u0131r.<\/div>\n

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Yukar\u0131dakiler, otomotiv end\u00fcstrisinde toz metalurjisi teknolojisinin uygulanmas\u0131yla ilgilidir. \u0130ster a\u011f\u0131rl\u0131kla, ister par\u00e7a say\u0131s\u0131 ile olsun, otomobil ve motosikletlerdeki toz metalurjisi di\u015flilerinin oran\u0131, di\u011fer alanlardaki toz metalurjisi par\u00e7alar\u0131ndan \u00e7ok daha fazlad\u0131r. \u00c7in'in otomobil end\u00fcstrisinin geli\u015fmesi ve enerji tasarrufu ve emisyon azaltma gereksinimlerinin iyile\u015ftirilmesiyle, toz metalurjisi daha fazla metal par\u00e7a \u00fcretecek.<\/div>\n<\/div>\n<\/div>\n

<\/p>","protected":false},"excerpt":{"rendered":"

We know that many of the auto parts are gear constructions, and these gears are made by powder metallurgy. With the development of China’s auto industry and the improvement of energy saving and emission reduction requirements, the application of powder metallurgy technology in the automotive industry. More and more, more and more metal parts will…<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-1624","post","type-post","status-publish","format-standard","hentry","category-materials-weekly"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/1624","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/comments?post=1624"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/1624\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media?parent=1624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/categories?post=1624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/tags?post=1624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}