{"id":186,"date":"2020-03-17T09:59:32","date_gmt":"2020-03-17T09:59:32","guid":{"rendered":"https:\/\/www.metalika-volf.com\/?p=186"},"modified":"2025-02-27T14:52:58","modified_gmt":"2025-02-27T14:52:58","slug":"izgled-klizne-povrsine-koriscenih-cetkica","status":"publish","type":"post","link":"https:\/\/www.metalika-volf.com\/en\/izgled-klizne-povrsine-koriscenih-cetkica\/","title":{"rendered":"Appearance of the sliding surface of the brushes used"},"content":{"rendered":"<h2>Izgled klizne povr\u0161ine kori\u0161\u0107enih \u010detkica<\/h2>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2020\/03\/cetkice.jpg\" alt=\"\u010detkice\"><\/p>\n<ul>\n<li>\n<h2>Izgled dobre klizne povr\u0161ine \u010detkica<\/h2>\n<p>Izgled klizne povr\u0161ine kori\u0161\u0107enih \u010detkica<\/p>\n<div>\n<p data-start=\"59\" data-end=\"488\">Elektro \u010detkice su klju\u010dna komponenta kolektorskih i kliznih prstenastih motora, jer omogu\u0107avaju prenos elektri\u010dne energije izme\u0111u stacionarnih i rotiraju\u0107ih delova. Klizna povr\u0161ina elektro \u010detkica igra presudnu ulogu u pouzdanosti, efikasnosti i dugotrajnosti motora. Da bi motor radio optimalno, klizna povr\u0161ina \u010detkice mora imati odre\u0111ene karakteristike koje osiguravaju minimalan otpor, stabilan kontakt i smanjeno habanje.<\/p>\n<h3 data-start=\"490\" data-end=\"545\">Osobine dobre klizne povr\u0161ine elektro \u010detkica<\/h3>\n<ol data-start=\"547\" data-end=\"1890\">\n<li data-start=\"547\" data-end=\"831\">\n<h4 data-start=\"550\" data-end=\"584\">Gladka i ravnomerna tekstura<\/h4>\n<ul data-start=\"588\" data-end=\"831\">\n<li data-start=\"588\" data-end=\"731\">Povr\u0161ina elektro \u010detkice treba da bude ujedna\u010dena i glatka, bez grubih neravnina koje bi mogle izazvati nepravilno tro\u0161enje ili varni\u010denje.<\/li>\n<li data-start=\"735\" data-end=\"831\">Mikrostruktura \u010detkice treba da omogu\u0107i dobar kontakt sa kolektorom ili kliznim prstenovima.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"833\" data-end=\"1087\">\n<h4 data-start=\"836\" data-end=\"892\">Dobro oblikovan kontakt sa kolektorom ili prstenom<\/h4>\n<ul data-start=\"896\" data-end=\"1087\">\n<li data-start=\"896\" data-end=\"988\">Povr\u0161ina \u010detkice se vremenom prilago\u0111ava obliku kolektora, stvaraju\u0107i optimalan kontakt.<\/li>\n<li data-start=\"992\" data-end=\"1087\">Nepravilno naleganje mo\u017ee dovesti do pove\u0107anog elektri\u010dnog otpora i prekomernog zagrevanja.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1089\" data-end=\"1371\">\n<h4 data-start=\"1092\" data-end=\"1148\">Minimalno iskre\u010denje i stabilan elektri\u010dni kontakt<\/h4>\n<ul data-start=\"1152\" data-end=\"1371\">\n<li data-start=\"1152\" data-end=\"1257\">Dobra klizna povr\u0161ina omogu\u0107ava ravnomeran prenos elektri\u010dne struje, smanjuju\u0107i mogu\u0107nost iskre\u010denja.<\/li>\n<li data-start=\"1261\" data-end=\"1371\">Nestabilan kontakt mo\u017ee izazvati varni\u010denje, \u0161to dovodi do ubrzanog habanja i mogu\u0107ih o\u0161te\u0107enja kolektora.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1373\" data-end=\"1652\">\n<h4 data-start=\"1376\" data-end=\"1430\">Odsustvo talo\u017eenja ugljeni\u010dne pra\u0161ine i ostataka<\/h4>\n<ul data-start=\"1434\" data-end=\"1652\">\n<li data-start=\"1434\" data-end=\"1564\">Tokom rada elektro \u010detkice se prirodno habaju, ali prekomerno stvaranje grafitne pra\u0161ine mo\u017ee negativno uticati na rad motora.<\/li>\n<li data-start=\"1568\" data-end=\"1652\">Redovno odr\u017eavanje i \u010di\u0161\u0107enje kolektora poma\u017ee u o\u010duvanju dobre klizne povr\u0161ine.<\/li>\n<\/ul>\n<\/li>\n<li data-start=\"1654\" data-end=\"1890\">\n<h4 data-start=\"1657\" data-end=\"1689\">Odgovaraju\u0107a boja i izgled<\/h4>\n<ul data-start=\"1693\" data-end=\"1890\">\n<li data-start=\"1693\" data-end=\"1794\">Klizna povr\u0161ina elektro \u010detkica obi\u010dno ima tamnosivu ili crnu boju kod \u010detkica na bazi ugljenika.<\/li>\n<li data-start=\"1798\" data-end=\"1890\">Ravnomerna boja i odsustvo dubokih tragova ili o\u0161te\u0107enja znak su ispravnog rada \u010detkica.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 data-start=\"1892\" data-end=\"1931\">Problemi lo\u0161e klizne povr\u0161ine<\/h3>\n<p data-start=\"1932\" data-end=\"2053\">Ako elektro \u010detkice nisu pravilno postavljene ili se koriste neadekvatni materijali, mogu se pojaviti slede\u0107i problemi:<\/p>\n<ul data-start=\"2054\" data-end=\"2329\">\n<li data-start=\"2054\" data-end=\"2149\"><strong data-start=\"2056\" data-end=\"2078\">Prekomerno habanje<\/strong> \u2013 mo\u017ee skratiti vek trajanja \u010detkica i pove\u0107ati tro\u0161kove odr\u017eavanja.<\/li>\n<li data-start=\"2150\" data-end=\"2233\"><strong data-start=\"2152\" data-end=\"2180\">Iskre\u010denje i pregrevanje<\/strong> \u2013 mogu dovesti do o\u0161te\u0107enja kolektora ili prstena.<\/li>\n<li data-start=\"2234\" data-end=\"2329\"><strong data-start=\"2236\" data-end=\"2258\">Nepravilan kontakt<\/strong> \u2013 mo\u017ee izazvati smetnje u radu motora i smanjiti njegovu efikasnost.<\/li>\n<\/ul>\n<\/div>\n<\/li>\n<li>\n<h2>Izgled o\u0161te\u0107ene povr\u0161ine \u010detkica <\/h2>\n<p> Izgled klizne povr\u0161ine kori\u0161\u0107enih \u010detkica<\/p>\n<div>\n<p data-start=\"66\" data-end=\"536\">Elektro \u010detkice su klju\u010dna komponenta u kolektorskim i kliznim prstenastim motorima, jer omogu\u0107avaju prenos elektri\u010dne energije izme\u0111u nepokretnih i rotiraju\u0107ih delova sistema. Klizne povr\u0161ine elektro \u010detkica su stalno u kontaktu sa kolektorom ili kliznim prstenovima, \u0161to ih \u010dini podlo\u017enim habanju i razli\u010ditim vrstama o\u0161te\u0107enja. Prepoznavanje znakova o\u0161te\u0107enja kliznih povr\u0161ina mo\u017ee pomo\u0107i u spre\u010davanju ozbiljnijih kvarova motora i produ\u017eenju veka trajanja \u010detkica.<\/p>\n<h2 data-start=\"538\" data-end=\"601\">Kako izgleda o\u0161te\u0107ena klizna povr\u0161ina elektro \u010detkica?<\/h2>\n<p data-start=\"602\" data-end=\"705\">O\u0161te\u0107enja kliznih povr\u0161ina elektro \u010detkica mogu imati razli\u010dite oblike, a naj\u010de\u0161\u0107i znakovi uklju\u010duju:<\/p>\n<h3 data-start=\"707\" data-end=\"757\">1. Neravnomerno tro\u0161enje i iskrivljenost<\/h3>\n<ul data-start=\"758\" data-end=\"1028\">\n<li data-start=\"758\" data-end=\"871\">Povr\u0161ina \u010detkice ne pokazuje ujedna\u010deno habanje, ve\u0107 mo\u017ee biti iskrivljena, iskrzana ili imati neravne ivice.<\/li>\n<li data-start=\"872\" data-end=\"1028\">Ovaj problem mo\u017ee nastati zbog nepravilanog kontakta sa kolektorom ili kliznim prstenovima, vibracija ili nepravilnog pritiska opruga koje dr\u017ee \u010detkice.<\/li>\n<\/ul>\n<h3 data-start=\"1030\" data-end=\"1061\">2. Prekomerno habanje<\/h3>\n<ul data-start=\"1062\" data-end=\"1341\">\n<li data-start=\"1062\" data-end=\"1204\">Ako su \u010detkice istro\u0161ene do te mere da su postale prekratke za pravilno funkcionisanje, to mo\u017ee izazvati prekide u napajanju i varni\u010denje.<\/li>\n<li data-start=\"1205\" data-end=\"1341\">Prekomerno habanje mo\u017ee biti posledica prekomernog optere\u0107enja, previ\u0161e abrazivnog kolektora ili lo\u0161eg kvaliteta materijala \u010detkice.<\/li>\n<\/ul>\n<h3 data-start=\"1343\" data-end=\"1380\">3. Obarne (zaobljene) ivice<\/h3>\n<ul data-start=\"1381\" data-end=\"1538\">\n<li data-start=\"1381\" data-end=\"1538\">U normalnim uslovima rada, \u010detkice se vremenom oblikuju prema kolektoru. Me\u0111utim, preterano obaranje ivica mo\u017ee zna\u010diti lo\u0161 kontakt i slab prenos struje.<\/li>\n<\/ul>\n<h3 data-start=\"1540\" data-end=\"1580\">4. Pregrevanje i diskoloracija<\/h3>\n<ul data-start=\"1581\" data-end=\"1853\">\n<li data-start=\"1581\" data-end=\"1698\">Klizna povr\u0161ina elektro \u010detkica mo\u017ee pokazivati tamne mrlje, modre ili sme\u0111e tragove, \u0161to ukazuje na pregrevanje.<\/li>\n<li data-start=\"1699\" data-end=\"1853\">Ovo se \u010desto doga\u0111a kada su \u010detkice previ\u0161e labave, lo\u0161e dimenzionisane ili postoji visok elektri\u010dni otpor zbog ne\u010disto\u0107a ili oksidacije na kolektoru.<\/li>\n<\/ul>\n<h3 data-start=\"1855\" data-end=\"1885\">5. Pukotine i lomovi<\/h3>\n<ul data-start=\"1886\" data-end=\"2129\">\n<li data-start=\"1886\" data-end=\"2048\">Ako \u010detkice pokazuju vidljive pukotine ili su polomljene, to mo\u017ee biti znak lo\u0161eg materijala, prevelikog mehani\u010dkog naprezanja ili naglih promena temperature.<\/li>\n<li data-start=\"2049\" data-end=\"2129\">Pukotine mogu dovesti do potpunog otkazivanja \u010detkice i o\u0161te\u0107enja kolektora.<\/li>\n<\/ul>\n<h3 data-start=\"2131\" data-end=\"2181\">6. Iskrzana ili o\u0161te\u0107ena klizna povr\u0161ina<\/h3>\n<ul data-start=\"2182\" data-end=\"2393\">\n<li data-start=\"2182\" data-end=\"2303\">Klizna povr\u0161ina \u010detkica mo\u017ee imati duboke ogrebotine, \u0161are ili neravnine koje ometaju stabilan kontakt sa kolektorom.<\/li>\n<li data-start=\"2304\" data-end=\"2393\">Ovo mo\u017ee biti posledica stranih \u010destica, ne\u010disto\u0107a ili abrazivnih ostataka u sistemu.<\/li>\n<\/ul>\n<h3 data-start=\"2395\" data-end=\"2444\">7. Naslage grafita ili ulja na povr\u0161ini<\/h3>\n<ul data-start=\"2445\" data-end=\"2687\">\n<li data-start=\"2445\" data-end=\"2585\">Ako su klizne povr\u0161ine prekrivene slojem ulja, grafita ili oksidacije, to mo\u017ee dovesti do lo\u0161eg kontakta i pove\u0107anja elektri\u010dnog otpora.<\/li>\n<li data-start=\"2586\" data-end=\"2687\">Takve naslage se \u010desto javljaju u industrijskim okru\u017eenjima sa velikom koli\u010dinom pra\u0161ine i vlage.<\/li>\n<\/ul>\n<h2 data-start=\"2689\" data-end=\"2755\">Kako spre\u010diti o\u0161te\u0107enja kliznih povr\u0161ina elektro \u010detkica?<\/h2>\n<p data-start=\"2756\" data-end=\"3247\">Da bi se produ\u017eio vek trajanja elektro \u010detkica i odr\u017eao ispravan rad motora, potrebno je:<br data-start=\"2845\" data-end=\"2848\" \/>\u2714 Redovno pregledati \u010detkice i kolektor kako bi se uo\u010dili rani znaci o\u0161te\u0107enja.<br data-start=\"2927\" data-end=\"2930\" \/>\u2714 Odr\u017eavati \u010distotu sistema \u2013 uklanjati pra\u0161inu, ulje i druge ne\u010disto\u0107e.<br data-start=\"3002\" data-end=\"3005\" \/>\u2714 Osigurati pravilan pritisak \u010detkica na kolektor ili klizne prstenove.<br data-start=\"3076\" data-end=\"3079\" \/>\u2714 Koristiti kvalitetne \u010detkice odgovaraju\u0107ih dimenzija i materijala.<br data-start=\"3147\" data-end=\"3150\" \/>\u2714 Pravilno balansirati rotor kako bi se izbegle vibracije koje mogu uticati na habanje \u010detkica.<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<p><!--more--><br \/>\n<!-- {\"type\":\"layout\",\"children\":[{\"type\":\"section\",\"props\":{\"image_position\":\"center-center\",\"style\":\"default\",\"title_breakpoint\":\"xl\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"vertical_align\":\"middle\",\"width\":\"default\"},\"children\":[{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"headline\",\"props\":{\"content\":\"Izgled klizne povr\\u0161ine kori\\u0161\\u0107enih \\u010detkica\",\"title_decoration\":\"bullet\",\"title_element\":\"h2\"}}]}]},{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"image\",\"props\":{\"image\":\"wp-content\\\/uploads\\\/2020\\\/03\\\/cetkice.jpg\",\"image_alt\":\"\\u010detkice\",\"image_svg_color\":\"emphasis\",\"margin\":\"default\",\"text_align\":\"center\"}}]}]},{\"type\":\"row\",\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"position_sticky_breakpoint\":\"m\"},\"children\":[{\"type\":\"grid\",\"props\":{\"content_column_breakpoint\":\"m\",\"filter_align\":\"left\",\"filter_all\":true,\"filter_grid_breakpoint\":\"m\",\"filter_grid_width\":\"auto\",\"filter_position\":\"top\",\"filter_style\":\"tab\",\"grid_default\":\"1\",\"grid_masonry\":\"pack\",\"grid_medium\":\"2\",\"icon_width\":80,\"image_align\":\"top\",\"image_grid_breakpoint\":\"m\",\"image_grid_width\":\"1-2\",\"image_svg_color\":\"emphasis\",\"item_animation\":true,\"lightbox_bg_close\":true,\"link_style\":\"default\",\"link_text\":\"Read more\",\"margin\":\"default\",\"meta_align\":\"below-title\",\"meta_element\":\"div\",\"meta_style\":\"text-meta\",\"panel_image_no_padding\":true,\"panel_padding\":\"small\",\"panel_style\":\"card-default\",\"show_content\":true,\"show_hover_image\":true,\"show_hover_video\":true,\"show_image\":true,\"show_link\":true,\"show_meta\":true,\"show_title\":true,\"show_video\":true,\"title_align\":\"top\",\"title_decoration\":\"line\",\"title_element\":\"h2\",\"title_grid_breakpoint\":\"m\",\"title_grid_width\":\"1-2\",\"title_hover_style\":\"reset\",\"title_style\":\"h2\"},\"children\":[{\"type\":\"grid_item\",\"props\":{\"content\":\"\n\n<p data-start=\\\"59\\\" data-end=\\\"488\\\">Elektro \\u010detkice su klju\\u010dna komponenta kolektorskih i kliznih prstenastih motora, jer omogu\\u0107avaju prenos elektri\\u010dne energije izme\\u0111u stacionarnih i rotiraju\\u0107ih delova. Klizna povr\\u0161ina elektro \\u010detkica igra presudnu ulogu u pouzdanosti, efikasnosti i dugotrajnosti motora. Da bi motor radio optimalno, klizna povr\\u0161ina \\u010detkice mora imati odre\\u0111ene karakteristike koje osiguravaju minimalan otpor, stabilan kontakt i smanjeno habanje.<\\\/p>\\n\n\n<h3 data-start=\\\"490\\\" data-end=\\\"545\\\">Osobine dobre klizne povr\\u0161ine elektro \\u010detkica<\\\/h3>\\n\n\n<ol data-start=\\\"547\\\" data-end=\\\"1890\\\">\\n\n\n<li data-start=\\\"547\\\" data-end=\\\"831\\\">\\n\n\n<h4 data-start=\\\"550\\\" data-end=\\\"584\\\">Gladka i ravnomerna tekstura<\\\/h4>\\n\n\n<ul data-start=\\\"588\\\" data-end=\\\"831\\\">\\n\n\n<li data-start=\\\"588\\\" data-end=\\\"731\\\">Povr\\u0161ina elektro \\u010detkice treba da bude ujedna\\u010dena i glatka, bez grubih neravnina koje bi mogle izazvati nepravilno tro\\u0161enje ili varni\\u010denje.<\\\/li>\\n\n\n<li data-start=\\\"735\\\" data-end=\\\"831\\\">Mikrostruktura \\u010detkice treba da omogu\\u0107i dobar kontakt sa kolektorom ili kliznim prstenovima.<\\\/li>\\n<\\\/ul>\\n<\\\/li>\\n\n\n<li data-start=\\\"833\\\" data-end=\\\"1087\\\">\\n\n\n<h4 data-start=\\\"836\\\" data-end=\\\"892\\\">Dobro oblikovan kontakt sa kolektorom ili prstenom<\\\/h4>\\n\n\n<ul data-start=\\\"896\\\" data-end=\\\"1087\\\">\\n\n\n<li data-start=\\\"896\\\" data-end=\\\"988\\\">Povr\\u0161ina \\u010detkice se vremenom prilago\\u0111ava obliku kolektora, stvaraju\\u0107i optimalan kontakt.<\\\/li>\\n\n\n<li data-start=\\\"992\\\" data-end=\\\"1087\\\">Nepravilno naleganje mo\\u017ee dovesti do pove\\u0107anog elektri\\u010dnog otpora i prekomernog zagrevanja.<\\\/li>\\n<\\\/ul>\\n<\\\/li>\\n\n\n<li data-start=\\\"1089\\\" data-end=\\\"1371\\\">\\n\n\n<h4 data-start=\\\"1092\\\" data-end=\\\"1148\\\">Minimalno iskre\\u010denje i stabilan elektri\\u010dni kontakt<\\\/h4>\\n\n\n<ul data-start=\\\"1152\\\" data-end=\\\"1371\\\">\\n\n\n<li data-start=\\\"1152\\\" data-end=\\\"1257\\\">Dobra klizna povr\\u0161ina omogu\\u0107ava ravnomeran prenos elektri\\u010dne struje, smanjuju\\u0107i mogu\\u0107nost iskre\\u010denja.<\\\/li>\\n\n\n<li data-start=\\\"1261\\\" data-end=\\\"1371\\\">Nestabilan kontakt mo\\u017ee izazvati varni\\u010denje, \\u0161to dovodi do ubrzanog habanja i mogu\\u0107ih o\\u0161te\\u0107enja kolektora.<\\\/li>\\n<\\\/ul>\\n<\\\/li>\\n\n\n<li data-start=\\\"1373\\\" data-end=\\\"1652\\\">\\n\n\n<h4 data-start=\\\"1376\\\" data-end=\\\"1430\\\">Odsustvo talo\\u017eenja ugljeni\\u010dne pra\\u0161ine i ostataka<\\\/h4>\\n\n\n<ul data-start=\\\"1434\\\" data-end=\\\"1652\\\">\\n\n\n<li data-start=\\\"1434\\\" data-end=\\\"1564\\\">Tokom rada elektro \\u010detkice se prirodno habaju, ali prekomerno stvaranje grafitne pra\\u0161ine mo\\u017ee negativno uticati na rad motora.<\\\/li>\\n\n\n<li data-start=\\\"1568\\\" data-end=\\\"1652\\\">Redovno odr\\u017eavanje i \\u010di\\u0161\\u0107enje kolektora poma\\u017ee u o\\u010duvanju dobre klizne povr\\u0161ine.<\\\/li>\\n<\\\/ul>\\n<\\\/li>\\n\n\n<li data-start=\\\"1654\\\" data-end=\\\"1890\\\">\\n\n\n<h4 data-start=\\\"1657\\\" data-end=\\\"1689\\\">Odgovaraju\\u0107a boja i izgled<\\\/h4>\\n\n\n<ul data-start=\\\"1693\\\" data-end=\\\"1890\\\">\\n\n\n<li data-start=\\\"1693\\\" data-end=\\\"1794\\\">Klizna povr\\u0161ina elektro \\u010detkica obi\\u010dno ima tamnosivu ili crnu boju kod \\u010detkica na bazi ugljenika.<\\\/li>\\n\n\n<li data-start=\\\"1798\\\" data-end=\\\"1890\\\">Ravnomerna boja i odsustvo dubokih tragova ili o\\u0161te\\u0107enja znak su ispravnog rada \\u010detkica.<\\\/li>\\n<\\\/ul>\\n<\\\/li>\\n<\\\/ol>\\n\n\n<h3 data-start=\\\"1892\\\" data-end=\\\"1931\\\">Problemi lo\\u0161e klizne povr\\u0161ine<\\\/h3>\\n\n\n<p data-start=\\\"1932\\\" data-end=\\\"2053\\\">Ako elektro \\u010detkice nisu pravilno postavljene ili se koriste neadekvatni materijali, mogu se pojaviti slede\\u0107i problemi:<\\\/p>\\n\n\n<ul data-start=\\\"2054\\\" data-end=\\\"2329\\\">\\n\n\n<li data-start=\\\"2054\\\" data-end=\\\"2149\\\"><strong data-start=\\\"2056\\\" data-end=\\\"2078\\\">Prekomerno habanje<\\\/strong> \\u2013 mo\\u017ee skratiti vek trajanja \\u010detkica i pove\\u0107ati tro\\u0161kove odr\\u017eavanja.<\\\/li>\\n\n\n<li data-start=\\\"2150\\\" data-end=\\\"2233\\\"><strong data-start=\\\"2152\\\" data-end=\\\"2180\\\">Iskre\\u010denje i pregrevanje<\\\/strong> \\u2013 mogu dovesti do o\\u0161te\\u0107enja kolektora ili prstena.<\\\/li>\\n\n\n<li data-start=\\\"2234\\\" data-end=\\\"2329\\\"><strong data-start=\\\"2236\\\" data-end=\\\"2258\\\">Nepravilan kontakt<\\\/strong> \\u2013 mo\\u017ee izazvati smetnje u radu motora i smanjiti njegovu efikasnost.<\\\/li>\\n<\\\/ul>\",\"meta\":\"Izgled klizne povr\\u0161ine kori\\u0161\\u0107enih \\u010detkica\",\"title\":\"Izgled dobre klizne povr\\u0161ine \\u010detkica\"}},{\"type\":\"grid_item\",\"props\":{\"content\":\"\n\n<p data-start=\\\"66\\\" data-end=\\\"536\\\">Elektro \\u010detkice su klju\\u010dna komponenta u kolektorskim i kliznim prstenastim motorima, jer omogu\\u0107avaju prenos elektri\\u010dne energije izme\\u0111u nepokretnih i rotiraju\\u0107ih delova sistema. Klizne povr\\u0161ine elektro \\u010detkica su stalno u kontaktu sa kolektorom ili kliznim prstenovima, \\u0161to ih \\u010dini podlo\\u017enim habanju i razli\\u010ditim vrstama o\\u0161te\\u0107enja. Prepoznavanje znakova o\\u0161te\\u0107enja kliznih povr\\u0161ina mo\\u017ee pomo\\u0107i u spre\\u010davanju ozbiljnijih kvarova motora i produ\\u017eenju veka trajanja \\u010detkica.<\\\/p>\\n\n\n<h2 data-start=\\\"538\\\" data-end=\\\"601\\\">Kako izgleda o\\u0161te\\u0107ena klizna povr\\u0161ina elektro \\u010detkica?<\\\/h2>\\n\n\n<p data-start=\\\"602\\\" data-end=\\\"705\\\">O\\u0161te\\u0107enja kliznih povr\\u0161ina elektro \\u010detkica mogu imati razli\\u010dite oblike, a naj\\u010de\\u0161\\u0107i znakovi uklju\\u010duju:<\\\/p>\\n\n\n<h3 data-start=\\\"707\\\" data-end=\\\"757\\\">1. Neravnomerno tro\\u0161enje i iskrivljenost<\\\/h3>\\n\n\n<ul data-start=\\\"758\\\" data-end=\\\"1028\\\">\\n\n\n<li data-start=\\\"758\\\" data-end=\\\"871\\\">Povr\\u0161ina \\u010detkice ne pokazuje ujedna\\u010deno habanje, ve\\u0107 mo\\u017ee biti iskrivljena, iskrzana ili imati neravne ivice.<\\\/li>\\n\n\n<li data-start=\\\"872\\\" data-end=\\\"1028\\\">Ovaj problem mo\\u017ee nastati zbog nepravilanog kontakta sa kolektorom ili kliznim prstenovima, vibracija ili nepravilnog pritiska opruga koje dr\\u017ee \\u010detkice.<\\\/li>\\n<\\\/ul>\\n\n\n<h3 data-start=\\\"1030\\\" data-end=\\\"1061\\\">2. Prekomerno habanje<\\\/h3>\\n\n\n<ul data-start=\\\"1062\\\" data-end=\\\"1341\\\">\\n\n\n<li data-start=\\\"1062\\\" data-end=\\\"1204\\\">Ako su \\u010detkice istro\\u0161ene do te mere da su postale prekratke za pravilno funkcionisanje, to mo\\u017ee izazvati prekide u napajanju i varni\\u010denje.<\\\/li>\\n\n\n<li data-start=\\\"1205\\\" data-end=\\\"1341\\\">Prekomerno habanje mo\\u017ee biti posledica prekomernog optere\\u0107enja, previ\\u0161e abrazivnog kolektora ili lo\\u0161eg kvaliteta materijala \\u010detkice.<\\\/li>\\n<\\\/ul>\\n\n\n<h3 data-start=\\\"1343\\\" data-end=\\\"1380\\\">3. Obarne (zaobljene) ivice<\\\/h3>\\n\n\n<ul data-start=\\\"1381\\\" data-end=\\\"1538\\\">\\n\n\n<li data-start=\\\"1381\\\" data-end=\\\"1538\\\">U normalnim uslovima rada, \\u010detkice se vremenom oblikuju prema kolektoru. Me\\u0111utim, preterano obaranje ivica mo\\u017ee zna\\u010diti lo\\u0161 kontakt i slab prenos struje.<\\\/li>\\n<\\\/ul>\\n\n\n<h3 data-start=\\\"1540\\\" data-end=\\\"1580\\\">4. Pregrevanje i diskoloracija<\\\/h3>\\n\n\n<ul data-start=\\\"1581\\\" data-end=\\\"1853\\\">\\n\n\n<li data-start=\\\"1581\\\" data-end=\\\"1698\\\">Klizna povr\\u0161ina elektro \\u010detkica mo\\u017ee pokazivati tamne mrlje, modre ili sme\\u0111e tragove, \\u0161to ukazuje na pregrevanje.<\\\/li>\\n\n\n<li data-start=\\\"1699\\\" data-end=\\\"1853\\\">Ovo se \\u010desto doga\\u0111a kada su \\u010detkice previ\\u0161e labave, lo\\u0161e dimenzionisane ili postoji visok elektri\\u010dni otpor zbog ne\\u010disto\\u0107a ili oksidacije na kolektoru.<\\\/li>\\n<\\\/ul>\\n\n\n<h3 data-start=\\\"1855\\\" data-end=\\\"1885\\\">5. Pukotine i lomovi<\\\/h3>\\n\n\n<ul data-start=\\\"1886\\\" data-end=\\\"2129\\\">\\n\n\n<li data-start=\\\"1886\\\" data-end=\\\"2048\\\">Ako \\u010detkice pokazuju vidljive pukotine ili su polomljene, to mo\\u017ee biti znak lo\\u0161eg materijala, prevelikog mehani\\u010dkog naprezanja ili naglih promena temperature.<\\\/li>\\n\n\n<li data-start=\\\"2049\\\" data-end=\\\"2129\\\">Pukotine mogu dovesti do potpunog otkazivanja \\u010detkice i o\\u0161te\\u0107enja kolektora.<\\\/li>\\n<\\\/ul>\\n\n\n<h3 data-start=\\\"2131\\\" data-end=\\\"2181\\\">6. Iskrzana ili o\\u0161te\\u0107ena klizna povr\\u0161ina<\\\/h3>\\n\n\n<ul data-start=\\\"2182\\\" data-end=\\\"2393\\\">\\n\n\n<li data-start=\\\"2182\\\" data-end=\\\"2303\\\">Klizna povr\\u0161ina \\u010detkica mo\\u017ee imati duboke ogrebotine, \\u0161are ili neravnine koje ometaju stabilan kontakt sa kolektorom.<\\\/li>\\n\n\n<li data-start=\\\"2304\\\" data-end=\\\"2393\\\">Ovo mo\\u017ee biti posledica stranih \\u010destica, ne\\u010disto\\u0107a ili abrazivnih ostataka u sistemu.<\\\/li>\\n<\\\/ul>\\n\n\n<h3 data-start=\\\"2395\\\" data-end=\\\"2444\\\">7. Naslage grafita ili ulja na povr\\u0161ini<\\\/h3>\\n\n\n<ul data-start=\\\"2445\\\" data-end=\\\"2687\\\">\\n\n\n<li data-start=\\\"2445\\\" data-end=\\\"2585\\\">Ako su klizne povr\\u0161ine prekrivene slojem ulja, grafita ili oksidacije, to mo\\u017ee dovesti do lo\\u0161eg kontakta i pove\\u0107anja elektri\\u010dnog otpora.<\\\/li>\\n\n\n<li data-start=\\\"2586\\\" data-end=\\\"2687\\\">Takve naslage se \\u010desto javljaju u industrijskim okru\\u017eenjima sa velikom koli\\u010dinom pra\\u0161ine i vlage.<\\\/li>\\n<\\\/ul>\\n\n\n<h2 data-start=\\\"2689\\\" data-end=\\\"2755\\\">Kako spre\\u010diti o\\u0161te\\u0107enja kliznih povr\\u0161ina elektro \\u010detkica?<\\\/h2>\\n\n\n<p data-start=\\\"2756\\\" data-end=\\\"3247\\\">Da bi se produ\\u017eio vek trajanja elektro \\u010detkica i odr\\u017eao ispravan rad motora, potrebno je:<br data-start=\\\"2845\\\" data-end=\\\"2848\\\" \\\/>\\u2714 Redovno pregledati \\u010detkice i kolektor kako bi se uo\\u010dili rani znaci o\\u0161te\\u0107enja.<br data-start=\\\"2927\\\" data-end=\\\"2930\\\" \\\/>\\u2714 Odr\\u017eavati \\u010distotu sistema \\u2013 uklanjati pra\\u0161inu, ulje i druge ne\\u010disto\\u0107e.<br data-start=\\\"3002\\\" data-end=\\\"3005\\\" \\\/>\\u2714 Osigurati pravilan pritisak \\u010detkica na kolektor ili klizne prstenove.<br data-start=\\\"3076\\\" data-end=\\\"3079\\\" \\\/>\\u2714 Koristiti kvalitetne \\u010detkice odgovaraju\\u0107ih dimenzija i materijala.<br data-start=\\\"3147\\\" data-end=\\\"3150\\\" \\\/>\\u2714 Pravilno balansirati rotor kako bi se izbegle vibracije koje mogu uticati na habanje \\u010detkica.<\\\/p>\",\"meta\":\" Izgled klizne povr\\u0161ine kori\\u0161\\u0107enih \\u010detkica\",\"title\":\"Izgled o\\u0161te\\u0107ene povr\\u0161ine \\u010detkica \"}}]}]}]}]}],\"version\":\"4.5.6\"} --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Izgled klizne povr\u0161ine kori\u0161\u0107enih \u010detkica Izgled dobre klizne povr\u0161ine \u010detkica Izgled klizne povr\u0161ine kori\u0161\u0107enih \u010detkica Elektro \u010detkice su klju\u010dna komponenta kolektorskih i kliznih prstenastih motora, jer omogu\u0107avaju prenos elektri\u010dne energije izme\u0111u stacionarnih i rotiraju\u0107ih delova. Klizna povr\u0161ina elektro \u010detkica igra presudnu ulogu u pouzdanosti, efikasnosti i dugotrajnosti motora. Da bi motor radio optimalno, klizna povr\u0161ina [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2803,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-186","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-baza-znanje"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Izgled klizne povr\u0161ine kori\u0161\u0107enih \u010detkica - Metalika Z<\/title>\n<meta name=\"description\" content=\"Izgled klizne povr\u0161ine kori\u0161\u0107enih \u010detkica\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.metalika-volf.com\/en\/izgled-klizne-povrsine-koriscenih-cetkica\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Izgled klizne povr\u0161ine kori\u0161\u0107enih \u010detkica - 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