{"id":1635,"date":"2019-05-22T02:47:32","date_gmt":"2019-05-22T02:47:32","guid":{"rendered":"http:\/\/www.meetyoucarbide.com\/single-post-the-working-principle-of-ball-mill\/"},"modified":"2020-05-04T13:12:09","modified_gmt":"2020-05-04T13:12:09","slug":"the-working-principle-of-ball-mill","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/tr\/the-working-principle-of-ball-mill\/","title":{"rendered":"Bilyal\u0131 de\u011firmen \u00e7al\u0131\u015fma prensibi"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\">\n<div><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_bec84490115c4ea98fcde9d02cb64ac4mv2-1.jpg\" alt=\"\" title=\"\"><\/p>\n<div>Bilyal\u0131 de\u011firmen, metal bir silindir ve bir bilyeden olu\u015fur. \u00c7al\u0131\u015fma prensibi, silindir d\u00f6nd\u00fcr\u00fcld\u00fc\u011f\u00fcnde, silindire tak\u0131lan ta\u015flama g\u00f6vdesi (bilye) ve cilalanacak nesnenin (malzeme) silindir taraf\u0131ndan s\u00fcrt\u00fcnme ve merkezka\u00e7 kuvveti etkisi alt\u0131nda d\u00f6nd\u00fcr\u00fclmesidir. Belirli bir y\u00fckseklikte, malzemeyi \u00f6\u011f\u00fctmek i\u00e7in silindirdeki malzemeyi otomatik olarak d\u00fc\u015fecek ve \u00e7arpacak ve \u00f6\u011f\u00fctecektir. Ek olarak, topun \u00e7alkalanmas\u0131 malzemeleri e\u015fit olarak kar\u0131\u015ft\u0131racakt\u0131r.<\/div>\n<div>Bilyal\u0131 de\u011firmenin yap\u0131s\u0131na ek olarak bilyal\u0131 de\u011firmen verimini etkileyen fakt\u00f6rler. Esas olarak bilyal\u0131 de\u011firmenin d\u00f6n\u00fc\u015f h\u0131z\u0131, \u00f6\u011f\u00fctme g\u00f6vdesinin boyutu ve say\u0131s\u0131, parlat\u0131lacak nesnenin hacmi, \u00f6\u011f\u00fctme ortam\u0131 ve \u00f6\u011f\u00fctme s\u00fcresi.<\/div>\n<h2>1. bilyal\u0131 de\u011firmenin h\u0131z\u0131<\/h2>\n<div>Bilyal\u0131 de\u011firmen d\u00f6nd\u00fc\u011f\u00fcnde, namludaki bilye hareketinin \u00fc\u00e7 durumu olabilir (resim 8-1).<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_5cad526aa56b4c70aebb69030a5714bemv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>Ta\u015flama silindirinin d\u00f6n\u00fc\u015f h\u0131z\u0131 b\u00fcy\u00fck olmad\u0131\u011f\u0131nda, bilye y\u00fckleme miktar\u0131 daha azd\u0131r ve e\u011fimli tip olarak adland\u0131r\u0131lan kayma durumu a olu\u015fur. \u015eu anda, bilyenin malzeme \u00fczerinde hi\u00e7bir kar\u0131\u015ft\u0131rma etkisi yoktur ve sadece bilyenin malzeme \u00fczerinde s\u00fcrt\u00fcnme etkisi vard\u0131r. Bu nedenle kar\u0131\u015ft\u0131rma ve \u00f6\u011f\u00fctme verimlili\u011fi son derece d\u00fc\u015f\u00fckt\u00fcr.<\/div>\n<div>D\u00f6nme h\u0131z\u0131 y\u00fcksek ve bilye y\u00fckleme miktar\u0131 fazla oldu\u011funda bilye merkezka\u00e7 kuvvetinin etkisi alt\u0131nda damla \u015fekli olu\u015fturur ve yuvarlanarak ta\u015flamaya ba\u015flar b. Bu s\u0131rada bilye ile malzeme aras\u0131nda hem bir d\u00f6nme hareketi hem de kar\u015f\u0131l\u0131kl\u0131 bir s\u00fcrt\u00fcnme (\u00f6\u011f\u00fctme hareketi) vard\u0131r, bu nedenle kar\u0131\u015ft\u0131rma ve \u00f6\u011f\u00fctme verimi y\u00fcksektir.<\/div>\n<div>Ta\u015flama silindirinin d\u00f6n\u00fc\u015f h\u0131z\u0131 belirli bir h\u0131zdan (kritik h\u0131z) daha y\u00fcksek oldu\u011funda, k\u00fcre silindirin duvar\u0131na ba\u011fl\u0131 de\u011fildir ve b\u00fcy\u00fck merkezka\u00e7 kuvveti nedeniyle serbest\u00e7e d\u00fc\u015femez. Bu s\u0131rada malzeme ne kar\u0131\u015ft\u0131r\u0131l\u0131r ne de k\u0131r\u0131l\u0131r.<\/div>\n<div>A\u00e7\u0131k\u00e7a, k\u00fcresel hareket b durumunda daha tatmin edicidir. Top Tang silindirine kar\u015f\u0131 d\u00f6nd\u00fcr\u00fcld\u00fc\u011f\u00fcnde, minimum h\u0131z kritik h\u0131z olarak adland\u0131r\u0131l\u0131r ve kritik h\u0131z n \u015fu \u015fekilde hesaplanabilir:<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_62ea1fd09f1e42d8b31f2fb5f998d01dmv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>Burada D, de\u011firmen namlusunun (metre) \u00e7ap\u0131d\u0131r. D = 0,5 m olsun, o zaman<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_6c1ad8b3f1af4c839a27b0cbab5e8055mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>Bu, \u015fu anda semente karb\u00fcr \u00fcretiminde kullan\u0131lan 180 litrelik ya\u015f de\u011firmenin kritik h\u0131z\u0131d\u0131r.<\/div>\n<div>Topu b durumunda yapmak i\u00e7in bilyal\u0131 de\u011firmenin ger\u00e7ek h\u0131z\u0131 genellikle 36 rpm&#039;dir.<\/div>\n<div><\/div>\n<h2>2. top y\u00fckleme miktar\u0131<\/h2>\n<div>Bilyeyi yuvarlanma durumunda yapmak i\u00e7in, ta\u015flama silindirinin d\u00f6n\u00fc\u015f h\u0131z\u0131na ek olarak, bilye y\u00fckleme miktar\u0131na ve \u00f6\u011f\u00fctme g\u00f6vdesi ile silindirin duvar\u0131 aras\u0131ndaki s\u00fcrt\u00fcnmeye ba\u011fl\u0131d\u0131r. \u015eu anda, limit bilye y\u00fckleme miktar\u0131n\u0131n hesaplama form\u00fcl\u00fc teorik olarak t\u00fcretilebilse de, s\u00fcrt\u00fcnme katsay\u0131s\u0131n\u0131n \u00f6l\u00e7\u00fclmesi zor oldu\u011fundan bilye y\u00fckleme miktar\u0131 genellikle ampirik olarak belirlenir.<\/div>\n<div>Deneyimlere g\u00f6re, kritik y\u00fckleme miktar\u0131, ta\u015flama silindirinin hacminin yakla\u015f\u0131k 40% ila 50%&#039;sidir.<\/div>\n<div>The ratio of the volume of the ball to the volume of the drum is called the filling factor. If the filling factor is less than 30%, the sphere is liable to be in a sliding state, and the grinding efficiency is low. If the filling factor is greater than 50%, the ball&#8217;s moment of inertia near the center of rotation is too small, which in turn reduces the grinding efficiency. A reasonable filling factor is 40-50%, and the grinding efficiency is maximum at this time.<\/div>\n<div><\/div>\n<h2>3. topun boyutu<\/h2>\n<div>Bilye y\u00fczeyinin toz ile temas etmesi ile \u00f6\u011f\u00fctme ger\u00e7ekle\u015fir. Bu nedenle bilyal\u0131 de\u011firmende bilye \u00e7ap\u0131 k\u00fc\u00e7\u00fcld\u00fck\u00e7e \u00f6\u011f\u00fctme verimi artar. En y\u00fcksek \u00f6\u011f\u00fctme veriminin .mm \u00e7ap\u0131nda k\u00fc\u00e7\u00fck bir bilye ile elde edilebilece\u011fi kan\u0131tlanm\u0131\u015ft\u0131r. Bununla birlikte, top \u00e7ap\u0131 \u00e7ok h\u0131zl\u0131 a\u015f\u0131namayacak kadar k\u00fc\u00e7\u00fckt\u00fcr ve topun k\u00fc\u00e7\u00fck bo\u015flu\u011fu nedeniyle bo\u015faltmas\u0131 da zordur. Bu nedenle \u0131slak \u00f6\u011f\u00fctmede kullan\u0131lan bilye kar\u0131\u015f\u0131m\u0131n \u00e7ok k\u00fc\u00e7\u00fck veya \u00e7ok b\u00fcy\u00fck olmamas\u0131 gerekir. Semente karb\u00fcr \u00fcretiminde en \u00e7ok WC-Co malzemesinin \u00f6\u011f\u00fct\u00fclmesi i\u00e7in 5-10 \u00e7apl\u0131 bilye, WC-TiC-Co malzemesinin \u00f6\u011f\u00fct\u00fclmesi i\u00e7in ise 12-18 mm \u00e7ap\u0131ndaki bilye kullan\u0131lmaktad\u0131r. Semente karb\u00fcr bilyelerin kullan\u0131lmas\u0131 bilyenin kalitesini artt\u0131r\u0131r ve \u0131slak a\u015f\u0131nd\u0131r\u0131c\u0131n\u0131n kirliliklerle kirlenmesini azalt\u0131r. A\u015f\u0131nd\u0131r\u0131c\u0131 g\u00f6vde olarak bilye yerine k\u00fc\u00e7\u00fck silindir kullan\u0131lmas\u0131 daha y\u00fcksek \u00f6\u011f\u00fctme verimine sahiptir.<\/div>\n<div><\/div>\n<h2>4. y\u00fckleme miktar\u0131<\/h2>\n<div>Y\u00fck miktar\u0131 genellikle topun topa oran\u0131 (topun a\u011f\u0131r malzemeye oran\u0131) ile ifade edilir. Bilye\/malzeme oran\u0131 ne kadar b\u00fcy\u00fck olursa, \u00f6\u011f\u00fctme verimlili\u011fi o kadar y\u00fcksek olur. Ancak \u00e7ok y\u00fcksek top oran\u0131 i\u015fe yaramaz. Doldurma fakt\u00f6r\u00fc sabit oldu\u011funda \u015farj miktar\u0131 azald\u0131\u011f\u0131ndan, setin verimlili\u011fini d\u00fc\u015f\u00fcrmesi ve bazen ala\u015f\u0131m \u00f6zelliklerini d\u00fc\u015f\u00fcrmesi ka\u00e7\u0131n\u0131lmazd\u0131r (\u015eekil 8-2). Top oran\u0131 genellikle 2:1 ila 5:1 aras\u0131nda se\u00e7ilir. Baz\u0131 durumlarda, b\u00fcy\u00fck bir top\/parti oran\u0131 kullan\u0131l\u0131r. \u00d6rne\u011fin, 6:1 i\u00e7in \u0131slak \u00f6\u011f\u00fct\u00fclm\u00fc\u015f titanyum karb\u00fcr bazl\u0131 bir karb\u00fcr \u00e7ubuk kullan\u0131labilir. \u00c7\u00fcnk\u00fc bu s\u0131rada kar\u0131\u015f\u0131m\u0131n hacmi b\u00fcy\u00fckt\u00fcr. Y\u00fck miktar\u0131n\u0131 belirtmek i\u00e7in bilye\/malzeme hacim oran\u0131n\u0131 kullanmak daha uygun olacak gibi g\u00f6r\u00fcn\u00fcyor. Teorik olarak, malzeme bilyenin bo\u015flu\u011funu doldurdu\u011funda, hem \u00f6\u011f\u00fctme verimlili\u011fi hem de \u00fcretim verimlili\u011fi idealdir.<\/div>\n<div><\/div>\n<h2>5. \u0131slak \u00f6\u011f\u00fctme ortam\u0131<\/h2>\n<div>Islak \u00f6\u011f\u00fctme ortam\u0131 olarak, a\u015fa\u011f\u0131daki ko\u015fullara sahip olmal\u0131 ve kar\u0131\u015f\u0131mla kimyasal reaksiyona girmemeli, zararl\u0131 yabanc\u0131 maddeler i\u00e7ermemeli, d\u00fc\u015f\u00fck kaynama noktas\u0131, yakla\u015f\u0131k 100\u00b0C&#039;de u\u00e7ucu madde giderme, k\u00fc\u00e7\u00fck y\u00fczey gerilimi, toz aglomerasyonu olmamas\u0131, toksisite olmamas\u0131, g\u00fcvenli \u00e7al\u0131\u015fma, D\u00fc\u015f\u00fck fiyatlar da dikkate al\u0131nmas\u0131 gereken ko\u015fullardan biridir.<\/div>\n<div>Islak \u00f6\u011f\u00fctme ortam\u0131 olarak alkol, aseton, benzin, karbon tetraklor\u00fcr, benzen, heksan ve benzerleri bulunmaktad\u0131r. \u00dcretimde en yayg\u0131n olarak kullan\u0131lan alkold\u00fcr, bunu aseton, heksan ve benzerleri takip eder.<\/div>\n<div>Islak \u00f6\u011f\u00fctme ortam\u0131n\u0131n ana i\u015flevi, homojen kar\u0131\u015ft\u0131rma i\u00e7in avantajl\u0131 olan toz aglomeralar\u0131n\u0131 da\u011f\u0131tmakt\u0131r. Ek olarak, toz par\u00e7ac\u0131klar\u0131n\u0131n kusurlar\u0131 \u00fczerine adsorbe edilebilir, b\u00f6ylece toz par\u00e7ac\u0131klar\u0131n\u0131n mukavemeti d\u00fc\u015fer, b\u00f6ylece k\u0131r\u0131lmay\u0131 kolayla\u015ft\u0131r\u0131r.<\/div>\n<div>Eklenen \u0131slak \u00f6\u011f\u00fctme ortam\u0131n\u0131n miktar\u0131 genellikle s\u0131v\u0131-kat\u0131 oran\u0131, yani kar\u0131\u015f\u0131m\u0131n kilogram\u0131 ba\u015f\u0131na eklenen mililitre s\u0131v\u0131 say\u0131s\u0131 ile ifade edilir.<\/div>\n<div><\/div>\n<h2>6. \u0131slak \u00f6\u011f\u00fctme s\u00fcresi<\/h2>\n<div>Uygulama, \u0131slak \u00f6\u011f\u00fctme s\u00fcresi artt\u0131k\u00e7a tozun par\u00e7ac\u0131k boyutunun daha ince hale geldi\u011fini, ancak ayn\u0131 zamanda par\u00e7ac\u0131k boyutu bile\u015fimi aral\u0131\u011f\u0131n\u0131n geni\u015fledi\u011fini, bu da tozun d\u00fczg\u00fcns\u00fczl\u00fc\u011f\u00fcn\u00fc art\u0131rd\u0131\u011f\u0131n\u0131 ve tane b\u00fcy\u00fcmesine neden olmad\u0131\u011f\u0131n\u0131 g\u00f6stermi\u015ftir. sinterlemeden sonra ala\u015f\u0131m. Tekd\u00fczelik artar.<\/div>\n<div>\u0130ki fazl\u0131 WC-TiC-Co ala\u015f\u0131m\u0131 i\u00e7in, ala\u015f\u0131m\u0131n tane boyutu ve \u00f6zellikleri, \u00f6nemli \u00f6l\u00e7\u00fcde \u0131slak \u00f6\u011f\u00fctme s\u00fcresine ba\u011fl\u0131d\u0131r (\u015eekil 8-4). Bu durumda, en iyi \u0131slak \u00f6\u011f\u00fctmeyi se\u00e7mek daha kolayd\u0131r. zaman. Bununla birlikte, baz\u0131 di\u011fer ala\u015f\u0131mlar i\u00e7in, \u015eekil 8-5&#039;te g\u00f6sterildi\u011fi gibi), belirli bir bilyeli \u00f6\u011f\u00fctme s\u00fcresinden sonra, ala\u015f\u0131m\u0131n ortalama tane boyutu art\u0131k \u00f6nemli \u00f6l\u00e7\u00fcde azalmaz.<\/div>\n<div>Ya\u015f \u00f6\u011f\u00fctme s\u00fcresinin YT15 ve YT5 ala\u015f\u0131mlar\u0131n\u0131n \u00f6zellikleri \u00fczerindeki etkileri Tablo 8-2&#039;de listelenmi\u015ftir. \u00dc\u00e7 g\u00fcnl\u00fck bilyeli \u00f6\u011f\u00fctme i\u015fleminden sonra ala\u015f\u0131m\u0131n mukavemetinin biraz azald\u0131\u011f\u0131, sertli\u011fin ve zorlay\u0131c\u0131 kuvvetin ve kesme katsay\u0131s\u0131n\u0131n biraz artt\u0131\u011f\u0131 ve de\u011fi\u015fim miktar\u0131n\u0131n genellikle \u00f6l\u00e7\u00fcm hatas\u0131 aral\u0131\u011f\u0131nda oldu\u011fu g\u00f6r\u00fclebilir. Bu nedenle \u00e7ok uzun bilyal\u0131 \u00f6\u011f\u00fctme s\u00fcresi gereksizdir.<\/div>\n<div>\u00d6zetle, farkl\u0131 kar\u0131\u015f\u0131mlar\u0131n \u00f6\u011f\u00fctme s\u00fcresini teorik olarak hesaplamak \u015fu anda m\u00fcmk\u00fcn de\u011fildir, ancak ala\u015f\u0131m\u0131n gereksinimlerine g\u00f6re deneylerle belirlenmelidir.<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/f875f9_2ce1e3a4c3214bffa9cc3c3ac3200ceamv2-1.png\" alt=\"\" title=\"\"><\/p>\n<\/div>\n<\/div>\n<p><!-- .vgblk-rw-wrapper --><\/p>","protected":false},"excerpt":{"rendered":"<p>The ball mill consists of a metal cylinder and a ball. The working principle is that when the cylinder is rotated, the grinding body (ball) and the object to be polished (material) installed in the cylinder are rotated by the cylinder under the action of friction and centrifugal force. At a certain height, it will&#8230;<\/p>","protected":false},"author":1,"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-1635","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\/1635","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/comments?post=1635"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/1635\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media?parent=1635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/categories?post=1635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/tags?post=1635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}