{"id":5730,"date":"2026-09-07T01:41:42","date_gmt":"2026-09-06T22:41:42","guid":{"rendered":"https:\/\/nanoplast.com.ua\/ru\/chomu-pralni-mashini-taki-vazhki-i-jak-pratsjuye-vnutrishnij-baraban"},"modified":"2026-09-07T01:41:42","modified_gmt":"2026-09-06T22:41:42","slug":"chomu-pralni-mashini-taki-vazhki-i-jak-pratsjuye-vnutrishnij-baraban","status":"publish","type":"post","link":"https:\/\/nanoplast.com.ua\/cs\/ru\/proc-jsou-pracky-tak-tezke-a-jak-funguje-vnitrni-buben","title":{"rendered":"Pro\u010d jsou pra\u010dky tak t\u011b\u017ek\u00e9 a jak funguje vnit\u0159n\u00ed buben?"},"content":{"rendered":"

Vezm\u011bte roh p\u0159edn\u00ed pra\u010dky. Uc\u00edt\u00edte to okam\u017eit\u011b. Nejedn\u00e1 se o konstruk\u010dn\u00ed chybu. To je fyzika. <\/p>\n

Uvnit\u0159 bubnu je betonov\u00fd blok<\/strong>. Vypad\u00e1 to jako \u0161t\u011bnice, ale slou\u017e\u00ed ke stejn\u00e9mu \u00fa\u010delu. Beton vyva\u017euje elektromotor. Motor poh\u00e1n\u00ed t\u011b\u017ekou p\u0159evodovku. P\u0159evodovka je p\u0159ipevn\u011bna k ocelov\u00e9mu vnit\u0159n\u00edmu bubnu. Ka\u017ed\u00e1 slo\u017eka p\u0159id\u00e1v\u00e1 hmotu. <\/p>\n

\n

Pro vyv\u00e1\u017een\u00ed elektromotoru, kter\u00fd nev\u00e1\u017e\u00ed m\u00e9n\u011b, je pot\u0159eba beton. <\/p>\n<\/blockquote>\n

Co dr\u017e\u00ed va\u0161e oble\u010den\u00ed<\/h3>\n

Va\u0161e oble\u010den\u00ed je ve vnit\u0159n\u00edm bubnu<\/strong>. Toto nen\u00ed uzav\u0159en\u00fd kbel\u00edk. Jeho st\u011bny jsou perforov\u00e1ny otvory<\/strong>. Kdy\u017e se buben ot\u00e1\u010d\u00ed, voda t\u011bmito otvory unik\u00e1. Uprost\u0159ed najdete m\u00edchadlo<\/strong> (mechanick\u00e9 za\u0159\u00edzen\u00ed na m\u00edch\u00e1n\u00ed pr\u00e1dla). Pohybuje pr\u00e1dlo ve vod\u011b. <\/p>\n

Vn\u011bj\u0161\u00ed buben<\/strong> je navr\u017een jinak. Zadr\u017euje v\u0161echnu vodu. Odborn\u00edci jej pevn\u011b p\u0159i\u0161roubuj\u00ed p\u0159\u00edmo k t\u011blu pra\u010dky. To vytv\u00e1\u0159\u00ed bari\u00e9ru mezi spodn\u00edm pr\u00e1dlem a podlahou. <\/p>\n

Pro\u010d se buben pohybuje?<\/h3>\n

To je ten probl\u00e9m. Vnit\u0159n\u00ed buben b\u011bhem prac\u00edho cyklu vibruje a t\u0159ese. Pokud by byl pevn\u011b upevn\u011bn, narazil by do jin\u00fdch \u010d\u00e1st\u00ed vozu. Zap\u00edn\u00e1n\u00ed umo\u017e\u0148uje pohyb. To umo\u017e\u0148uje bubnu pohybovat se bez po\u0161kozen\u00ed konstrukce. <\/p>\n

P\u0159evodovka<\/strong> spojuje vnit\u0159n\u00ed buben s \u010dern\u00fdm kovov\u00fdm r\u00e1mem<\/strong>. Tento r\u00e1m obsahuje t\u0159i v\u011bci:<\/p>\n

    \n
  • Motor<\/li>\n
  • P\u0159evodovka<\/li>\n
  • Betonov\u00e9 protiz\u00e1va\u017e\u00ed<\/li>\n<\/ul>\n

    Pr\u00e1v\u011b tato sestava \u010din\u00ed pra\u010dku tak t\u011b\u017ekou p\u0159i pohybu. <\/p>\n

    \"\"<\/p>\n

    Jak odpru\u017een\u00ed bubnu zabra\u0148uje vibrac\u00edm pra\u010dky<\/h3>\n

    Pod\u00edvejte se na ten hol\u00fd \u010dern\u00fd r\u00e1m. \u017d\u00e1dn\u00e1 n\u00e1dr\u017e. Bez p\u0159evodovky. Pouze ocel. Kabel omotan\u00fd kolem lev\u00e9 strany je p\u0159\u00edmo p\u0159ipojen k prav\u00e9. Toto je jedna nep\u0159etr\u017eit\u00e1 smy\u010dka. T\u0159i kladky ovl\u00e1daj\u00ed geometrii syst\u00e9mu. <\/p>\n

    Zvedn\u011bte jednu stranu a druh\u00e1 kles\u00e1. Jedn\u00e1 se o v\u00fdkyvn\u00fd mechanismus navr\u017een\u00fd tak, aby absorboval hmotnost t\u011b\u017ek\u00e9 sestavy bubnu. Syst\u00e9m izoluje pohybuj\u00edc\u00ed se hmotu od hlavn\u00edho podvozku. <\/p>\n

    Pro\u010d se n\u00e1dr\u017e nek\u00fdve nepravideln\u011b poka\u017ed\u00e9, kdy\u017e se n\u00e1klad pohne? <\/p>\n

    Syst\u00e9m tlumen\u00ed t\u0159en\u00ed \u0159\u00edd\u00ed pohyb<\/h3>\n

    Samotn\u00e9 odpru\u017een\u00ed pomoc\u00ed kabel\u016f by z auta ud\u011blalo chaotick\u00e9 kyvadlo. M\u00edsto toho auto pou\u017e\u00edv\u00e1 syst\u00e9m tlumen\u00ed<\/strong>. T\u0159en\u00ed p\u0159em\u011b\u0148uje kinetickou energii na teplo. Pohlcuje vibrace d\u0159\u00edve, ne\u017e se p\u0159enesou na podlahu. <\/p>\n

      \n
    • Kabely<\/strong> vydr\u017e\u00ed statick\u00e9 zat\u00ed\u017een\u00ed. <\/li>\n
    • Sm\u011br ovl\u00e1d\u00e1n\u00ed kladek<\/strong>. <\/li>\n
    • Tlumi\u010de<\/strong> tlum\u00ed vibrace. <\/li>\n<\/ul>\n

      Tato konstrukce umo\u017e\u0148uje bubnu m\u00edrn\u011b se pohybovat pod zat\u00ed\u017een\u00edm, ani\u017e by se tento n\u00e1raz p\u0159enesl na r\u00e1m. Nemus\u00edte p\u0159estavovat odpru\u017een\u00ed, ale pochopen\u00ed toho, jak funguje, pom\u00e1h\u00e1 p\u0159i diagnostice nadm\u011brn\u00e9ho hluku. Pokud auto odsko\u010d\u00ed, mohou b\u00fdt tlumi\u010de opot\u0159eben\u00e9. Zkontrolujte t\u0159ec\u00ed plochy. Udr\u017eujte tuto oblast v \u010distot\u011b. Prach sni\u017euje \u00fa\u010dinnost. <\/p>\n

      \"\"<\/p>\n

      Pochopen\u00ed mechanismu tlumi\u010de n\u00e1raz\u016f<\/h3>\n

      Pod\u00edvejte se na \u010dty\u0159i rohy va\u0161\u00ed pra\u010dky. Ka\u017ed\u00fd z nich obsahuje mechanismus, kter\u00fd funguje podobn\u011b jako kotou\u010dov\u00e1 brzda na va\u0161em aut\u011b. Komponentem p\u0159ipevn\u011bn\u00fdm k r\u00e1mu pra\u010dky je pru\u017eina<\/strong>. P\u0159itiskne dv\u011b podlo\u017eky<\/strong> na kovovou desku<\/strong> namontovanou na \u010dern\u00e9m r\u00e1mu. <\/p>\n

      S nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed m\u016f\u017eete vid\u011bt, jak pady le\u0161t\u00ed desku vlivem pohybu p\u0159i vibrac\u00edch. Tento lesk slou\u017e\u00ed jako d\u016fkaz, \u017ee syst\u00e9m funguje. P\u0159em\u011b\u0148uje kinetickou energii na teplo a zpomaluje buben d\u0159\u00edve, ne\u017e naraz\u00ed na st\u011bny. <\/p>\n

      Pokud tyto d\u00edly vym\u011b\u0148ujete, zkontrolujte materi\u00e1l podlo\u017eek. Opot\u0159eben\u00ed je nerovnom\u011brn\u00e9. Jedna strana m\u016f\u017ee b\u00fdt hladk\u00e1 a druh\u00e1 drsn\u00e1. Pot\u0159ebujete nov\u00e9 oblo\u017een\u00ed, kter\u00e9 odpov\u00edd\u00e1 p\u016fvodn\u00edm specifikac\u00edm. D\u016fle\u017eit\u00e9 je tak\u00e9 napnut\u00ed pru\u017einy. Pokud je slab\u00e1, podlo\u017eky nebudou tla\u010dit dostate\u010dnou silou. Stroj bude vibrovat. <\/p>\n

      Otestujte si sv\u00e9 znalosti motoru<\/h3>\n

      Opravdu v\u00edte, co se d\u011bje uvnit\u0159 toho motoru? V\u011bt\u0161ina lid\u00ed p\u0159edpokl\u00e1d\u00e1, \u017ee jednodu\u0161e rozto\u010d\u00ed kotou\u010d. Ve skute\u010dnosti pln\u00ed mnohem v\u00edce funkc\u00ed. \u0158\u00edd\u00ed rychlost, to\u010div\u00fd moment a sm\u011br ot\u00e1\u010den\u00ed. <\/p>\n

      Ud\u011blejte si chvilku pro sebe. <\/p>\n

        \n
      • Pozn\u00e1te rozd\u00edl mezi bezkomut\u00e1torov\u00fdm a kart\u00e1\u010dovan\u00fdm motorem? <\/li>\n
      • V\u00edte, pro\u010d n\u011bkter\u00e1 auta pou\u017e\u00edvaj\u00ed syst\u00e9m p\u0159\u00edm\u00e9ho pohonu? <\/li>\n
      • Dok\u00e1\u017eete identifikovat vadn\u00fd kondenz\u00e1tor pouze podle zvuku? <\/li>\n<\/ul>\n

        Pokud si nejste jisti, nevad\u00ed. Elektronika je st\u00e1le chyt\u0159ej\u0161\u00ed, ale fyzika se nezm\u011bnila. T\u0159en\u00ed je t\u0159en\u00ed. M\u0161e je m\u0161e. Pochopen\u00ed z\u00e1kladn\u00ed mechaniky v\u00e1m pom\u016f\u017ee vy\u0159e\u0161it probl\u00e9my p\u0159edt\u00edm, ne\u017e zavol\u00e1te oprav\u00e1\u0159e. U\u0161et\u0159\u00edte tak pen\u00edze a vyhnete se n\u00e1kupu zbyte\u010dn\u00fdch d\u00edl\u016f.<\/p>\n","protected":false},"excerpt":{"rendered":"

        Vezm\u011bte roh p\u0159edn\u00ed pra\u010dky. Uc\u00edt\u00edte to okam\u017eit\u011b. Nejedn\u00e1 se o konstruk\u010dn\u00ed chybu. To je fyzika. Uvnit\u0159 bubnu je betonov\u00fd blok. Vypad\u00e1 to jako \u0161t\u011bnice, ale slou\u017e\u00ed ke stejn\u00e9mu \u00fa\u010delu. Beton vyva\u017euje elektromotor. Motor poh\u00e1n\u00ed t\u011b\u017ekou p\u0159evodovku. P\u0159evodovka je p\u0159ipevn\u011bna k ocelov\u00e9mu vnit\u0159n\u00edmu bubnu. Ka\u017ed\u00e1 slo\u017eka p\u0159id\u00e1v\u00e1 hmotu. Pro vyv\u00e1\u017een\u00ed elektromotoru, kter\u00fd nev\u00e1\u017e\u00ed m\u00e9n\u011b, je pot\u0159eba […]<\/p>\n","protected":false},"author":1,"featured_media":5726,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":""},"categories":[88],"tags":[],"wpm_language_slugs":{"cs":"proc-jsou-pracky-tak-tezke-a-jak-funguje-vnitrni-buben","de":"warum-waschmaschinen-so-viel-wiegen-und-wie-der-innenbottich","en":"why-washing-machines-weigh-so-much-and-how-the-inner-tub-works","es":"por-que-las-lavadoras-pesan-tanto-y-como-funciona-la-tina-interior","fr":"pourquoi-les-machines-a-laver-pesent-autant-et-comment-fonctionne-la","id":"mengapa-mesin-cuci-sangat-berat-dan-cara-kerja-bak-bagian-dalam","it":"perche-le-lavatrici-pesano-cosi-tanto-e-come-funziona-la-vasca-interna","nl":"waarom-wasmachines-zoveel-wegen-en-hoe-de-binnenkuip-werkt","pl":"dlaczego-pralki-sa-takie-ciezkie-i-jak-dziala-beben-wewnetrzny","pt":"por-que-as-maquinas-de-lavar-pesam-tanto-e-como-funciona-a-cuba","ru-ru":"pochemu-stiralnye-mashiny-takie-tjazhelye-i-kak-rabotaet-vnutrennij","uk-ua":"chomu-pralni-mashini-taki-vazhki-i-jak-pratsjuye-vnutrishnij-baraban"},"_links":{"self":[{"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/posts\/5730"}],"collection":[{"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/comments?post=5730"}],"version-history":[{"count":0,"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/posts\/5730\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/media\/5726"}],"wp:attachment":[{"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/media?parent=5730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/categories?post=5730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanoplast.com.ua\/cs\/wp-json\/wp\/v2\/tags?post=5730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}