{"id":1693,"date":"2026-05-20T11:18:36","date_gmt":"2026-05-20T11:18:36","guid":{"rendered":"https:\/\/1pneu.eu\/pneublog\/?p=1693"},"modified":"2026-05-20T11:22:20","modified_gmt":"2026-05-20T11:22:20","slug":"co-je-to-utahovaci-moment-kola-a-proc-je-dulezity","status":"publish","type":"post","link":"https:\/\/1pneu.eu\/pneublog\/co-je-to-utahovaci-moment-kola-a-proc-je-dulezity\/","title":{"rendered":"Co je to utahovac\u00ed moment kola a pro\u010d je d\u016fle\u017eit\u00fd?"},"content":{"rendered":"\n
\"Mu\u017e
Mu\u017e utahuje kolo osobn\u00edho automobilu.<\/figcaption><\/figure>\n\n\n\n

P\u0159i v\u00fdm\u011bn\u011b kol je d\u016fle\u017eit\u00fdm parametrem spr\u00e1vn\u00fd utahovac\u00ed moment. Nespr\u00e1vn\u00e9 dota\u017een\u00ed kol m\u016f\u017ee m\u00edt v\u00e1\u017en\u00e9 d\u016fsledky a ovlivnit nejen v\u00fdkon a bezpe\u010dnost vozidla, ale tak\u00e9 \u017eivotnost komponent\u016f. Porad\u00edme v\u00e1m, jak zvolit spr\u00e1vn\u00fd utahovac\u00ed moment na kola.<\/strong><\/p>\n\n\n\n

P\u0159i v\u00fdm\u011bn\u011b kol na aut\u011b, nap\u0159\u00edklad p\u0159i p\u0159ezouv\u00e1n\u00ed letn\u00edch pneumatik<\/a> na zimn\u00ed<\/a> a naopak, se \u010dasto zmi\u0148uje d\u016fle\u017eitost spr\u00e1vn\u00e9ho utahovac\u00edho momentu<\/strong>. Co tento pojem vlastn\u011b znamen\u00e1 a pro\u010d je tak kl\u00ed\u010dov\u00fd?<\/p>\n\n\n\n

Co je utahovac\u00ed moment na kola<\/h2>\n\n\n\n

Utahovac\u00ed moment je s\u00edla, kterou by m\u011bly b\u00fdt dota\u017eeny matice nebo \u0161rouby na kolech vozidla<\/strong>. Zaji\u0161\u0165uje spr\u00e1vn\u00e9 upevn\u011bn\u00ed kola k n\u00e1boji. Hodnota se uv\u00e1d\u00ed v jednotk\u00e1ch Newton-metr (Nm).<\/strong><\/p>\n\n\n\n

Tato s\u00edla je z\u00e1sadn\u00ed pro bezpe\u010dnost j\u00edzdy<\/strong>, proto\u017ee udr\u017euje stabilitu kola a rovnom\u011brn\u00e9 rozlo\u017een\u00ed sil na n\u00e1pravu. Nespr\u00e1vn\u00e9 dota\u017een\u00ed m\u016f\u017ee v\u00e9st k \u0159ad\u011b probl\u00e9m\u016f \u2013 od povolen\u00ed kola b\u011bhem j\u00edzdy a\u017e po po\u0161kozen\u00ed z\u00e1vit\u016f nebo deformaci samotn\u00e9ho disku.<\/p>\n\n\n\n

Co m\u016f\u017ee zp\u016fsobit nespr\u00e1vn\u00e9 dota\u017een\u00ed kol<\/h2>\n\n\n\n

Mezi nej\u010dast\u011bj\u0161\u00ed probl\u00e9my zp\u016fsoben\u00e9 nedostate\u010dn\u00fdm nebo nadm\u011brn\u00fdm utahovac\u00edm momentem pat\u0159\u00ed:<\/p>\n\n\n\n

Uvoln\u011bn\u00ed kola b\u011bhem j\u00edzdy<\/h3>\n\n\n\n

P\u0159i nedostate\u010dn\u00e9m dota\u017een\u00ed se mohou \u0161rouby nebo matice postupn\u011b uvolnit vlivem vibrac\u00ed a pohybu vozidla. Hroz\u00ed ztr\u00e1ta kola b\u011bhem j\u00edzdy, co\u017e m\u016f\u017ee zp\u016fsobit v\u00e1\u017enou dopravn\u00ed nehodu.<\/p>\n\n\n\n

Deformace nebo po\u0161kozen\u00ed disku<\/h3>\n\n\n\n

P\u0159\u00edli\u0161n\u00e9 dota\u017een\u00ed m\u016f\u017ee v\u00e9st k po\u0161kozen\u00ed disku, zejm\u00e9na pokud jde o hlin\u00edkov\u00fd disk, kter\u00fd je citliv\u011bj\u0161\u00ed na tlak. Deformovan\u00fd disk m\u016f\u017ee zp\u016fsobit nerovnom\u011brn\u00e9 opot\u0159eben\u00ed pneumatik<\/a> nebo probl\u00e9my s vyv\u00e1\u017een\u00edm.<\/p>\n\n\n\n

Po\u0161kozen\u00ed z\u00e1vit\u016f \u0161roub\u016f nebo matic<\/h3>\n\n\n\n

Nadm\u011brn\u00fd utahovac\u00ed moment m\u016f\u017ee po\u0161kodit z\u00e1vity na \u0161roubech nebo v n\u00e1boji kola. Po\u0161kozen\u00e9 z\u00e1vity sni\u017euj\u00ed pevnost spoje, co\u017e m\u016f\u017ee v\u00e9st k uvoln\u011bn\u00ed kola.<\/p>\n\n\n\n

Po\u0161kozen\u00ed brzdov\u00fdch komponent\u016f<\/h3>\n\n\n\n

Nespr\u00e1vn\u00e9 dota\u017een\u00ed m\u016f\u017ee zp\u016fsobit nevyv\u00e1\u017een\u00fd tlak na kotou\u010de nebo bubny brzd, co\u017e ovliv\u0148uje jejich funk\u010dnost. Deformace brzdov\u00e9ho kotou\u010de m\u016f\u017ee zp\u016fsobit vibrace p\u0159i brzd\u011bn\u00ed.<\/p>\n\n\n\n

Nerovnom\u011brn\u00e9 rozlo\u017een\u00ed sil<\/h3>\n\n\n\n

Pokud \u0161rouby nejsou dota\u017eeny rovnom\u011brn\u011b (nap\u0159\u00edklad ve spr\u00e1vn\u00e9m po\u0159ad\u00ed a stejnou silou), m\u016f\u017ee to v\u00e9st k nerovnom\u011brn\u00e9mu rozlo\u017een\u00ed sil na disk a n\u00e1boj. To sni\u017euje \u017eivotnost komponent\u016f a ovliv\u0148uje stabilitu vozidla.<\/p>\n\n\n\n

P\u0159ed\u010dasn\u00e9 opot\u0159eben\u00ed<\/h3>\n\n\n\n

Nespr\u00e1vn\u011b dota\u017een\u00e1 kola mohou zp\u016fsobit nevyv\u00e1\u017eenou rotaci, co\u017e vede k nerovnom\u011brn\u00e9mu opot\u0159eben\u00ed pneumatik<\/a>. To zvy\u0161uje n\u00e1klady na \u00fadr\u017ebu a sni\u017euje bezpe\u010dnost j\u00edzdy. Stejn\u011b tak mohou p\u0159ed\u010dasn\u011b opot\u0159ebovat lo\u017eiska a n\u00e1boj kola.<\/p>\n\n\n\n

V neposledn\u00ed \u0159ad\u011b mohou nespr\u00e1vn\u011b dota\u017een\u00e1 kola zp\u016fsobit dal\u0161\u00ed probl\u00e9my v p\u0159\u00edpad\u011b nehody. Pokud se zjist\u00ed, \u017ee byly na vin\u011b, poji\u0161\u0165ovna m\u016f\u017ee odm\u00edtnout kryt\u00ed \u0161kody z d\u016fvodu zanedb\u00e1n\u00ed \u00fadr\u017eby.<\/p>\n\n\n\n

Jak zjistit spr\u00e1vn\u00fd utahovac\u00ed moment<\/h2>\n\n\n\n

Ur\u010dit\u011b se pt\u00e1te, jak zjistit spr\u00e1vnou s\u00edlu pro dota\u017een\u00ed kol na va\u0161em vozidle. Mo\u017enost\u00ed je n\u011bkolik:<\/p>\n\n\n\n