{"id":2067,"date":"2026-03-01T06:00:35","date_gmt":"2026-03-01T06:00:35","guid":{"rendered":"https:\/\/www.wonzh.com\/?p=2067"},"modified":"2026-03-01T06:03:45","modified_gmt":"2026-03-01T06:03:45","slug":"jak-lze-pri-zadavani-verejnych-zakazek-na-inzenyrske-prace-vyvazit-vykonnost-a-zivotnost-komponent-a-naklady","status":"publish","type":"post","link":"https:\/\/www.wonzh.com\/cs\/how-engineering-procurement-can-balance-component-performance-service-life-and-cost\/","title":{"rendered":"Jak m\u016f\u017ee technick\u00e9 zad\u00e1v\u00e1n\u00ed ve\u0159ejn\u00fdch zak\u00e1zek vyv\u00e1\u017eit v\u00fdkonnost, \u017eivotnost a n\u00e1klady na komponenty"},"content":{"rendered":"<p class=\"wp-block-paragraph\">V pr\u016fmyslov\u00e9 v\u00fdrob\u011b a p\u0159i projektov\u00e1n\u00ed za\u0159\u00edzen\u00ed se rozhodov\u00e1n\u00ed o zad\u00e1v\u00e1n\u00ed zak\u00e1zek zdaleka net\u00fdk\u00e1 jen jednotkov\u00e9 ceny. V\u00fdb\u011br nespr\u00e1vn\u00e9 sou\u010d\u00e1sti - a\u0165 u\u017e lo\u017eiska, t\u011bsn\u011bn\u00ed nebo ocelov\u00e9ho lana - m\u016f\u017ee v\u00e9st k nepl\u00e1novan\u00fdm odst\u00e1vk\u00e1m, zkr\u00e1cen\u00ed \u017eivotnosti za\u0159\u00edzen\u00ed, bezpe\u010dnostn\u00edm rizik\u016fm a zv\u00fd\u0161en\u00ed celkov\u00fdch provozn\u00edch n\u00e1klad\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Skute\u010dnou v\u00fdzvou pro t\u00fdmy zab\u00fdvaj\u00edc\u00ed se zad\u00e1v\u00e1n\u00edm ve\u0159ejn\u00fdch zak\u00e1zek v oblasti in\u017een\u00fdrstv\u00ed je. <strong>vyva\u017eov\u00e1n\u00ed t\u0159\u00ed vz\u00e1jemn\u011b z\u00e1visl\u00fdch faktor\u016f<\/strong>: v\u00fdkonnost, \u017eivotnost a n\u00e1klady na komponenty. Optimalizace pouze jednoho z nich \u010dasto ohro\u017euje ostatn\u00ed. Tento \u010dl\u00e1nek vysv\u011btluje, jak zku\u0161en\u00e9 n\u00e1kupn\u00ed t\u00fdmy vyhodnocuj\u00ed kompromisy pomoc\u00ed technick\u00fdch dat, my\u0161len\u00ed o \u017eivotn\u00edm cyklu a spolupr\u00e1ce s dodavateli.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. V\u00fdkonnost je o vhodnosti pro skute\u010dn\u00e9 provozn\u00ed podm\u00ednky<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdkonnost komponent by m\u011bla b\u00fdt v\u017edy definov\u00e1na <strong>skute\u010dn\u00e9 provozn\u00ed podm\u00ednky<\/strong>, nikoliv pouze katalogov\u00e9 hodnocen\u00ed. Zadavatelsk\u00e9 t\u00fdmy se \u010dasto spol\u00e9haj\u00ed na jmenovit\u00e9 specifikace, ale re\u00e1ln\u00e9 podm\u00ednky jsou m\u00e1lokdy ide\u00e1ln\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kl\u00ed\u010dov\u00e9 ot\u00e1zky t\u00fdkaj\u00edc\u00ed se v\u00fdkonu zahrnuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jak\u00e9 jsou <strong>skute\u010dn\u00e9 rozsahy zat\u00ed\u017een\u00ed<\/strong>, a ne jen maxim\u00e1ln\u00ed zat\u00ed\u017een\u00ed?<\/li>\n\n\n\n<li>Je prost\u0159ed\u00ed vystaveno <strong>teplo, koroze, vibrace nebo kontaminace.<\/strong>?<\/li>\n\n\n\n<li>Jsou \u010dast\u00e9 <strong>cykly start-stop<\/strong> nebo n\u00e1razov\u00e9 zat\u00ed\u017een\u00ed?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nap\u0159\u00edklad v\u00fdb\u011br lo\u017eiska s vy\u0161\u0161\u00ed dynamickou \u00fanosnost\u00ed se m\u016f\u017ee zd\u00e1t konzervativn\u00ed, ale pokud je kvalita maz\u00e1n\u00ed nebo se\u0159\u00edzen\u00ed \u0161patn\u00e9, o\u010dek\u00e1van\u00fd n\u00e1r\u016fst v\u00fdkonu se nemus\u00ed nikdy projevit. In\u017een\u00fdrsk\u00e9 z\u00e1sobov\u00e1n\u00ed proto mus\u00ed \u00fazce spolupracovat s konstruk\u010dn\u00edmi t\u00fdmy a t\u00fdmy \u00fadr\u017eby, aby se ov\u011b\u0159ilo, \u017ee <strong>jak se komponenty skute\u010dn\u011b pou\u017e\u00edvaj\u00ed<\/strong>, nikoliv jak jsou teoreticky navr\u017eeny.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u017divotnost mus\u00ed b\u00fdt hodnocena v pr\u016fb\u011bhu cel\u00e9ho \u017eivotn\u00edho cyklu za\u0159\u00edzen\u00ed.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u017divotnost je \u010dasto nespr\u00e1vn\u011b ch\u00e1p\u00e1na jako jedin\u00e1 \u010d\u00edseln\u00e1 hodnota (\u017eivotnost L10, cykly do poruchy nebo jmenovit\u00e9 hodiny). V praxi je \u017eivotnost ovlivn\u011bna v\u00edce vz\u00e1jemn\u011b se ovliv\u0148uj\u00edc\u00edmi prom\u011bnn\u00fdmi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159esnost instalace<\/li>\n\n\n\n<li>\u00da\u010dinnost maz\u00e1n\u00ed a t\u011bsn\u011bn\u00ed<\/li>\n\n\n\n<li>Provozn\u00ed cykly<\/li>\n\n\n\n<li>Discipl\u00edna \u00fadr\u017eby<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Levn\u011bj\u0161\u00ed sou\u010d\u00e1st s p\u0159edv\u00eddateln\u00fdm chov\u00e1n\u00edm p\u0159i opot\u0159eben\u00ed m\u016f\u017ee b\u00fdt lep\u0161\u00ed ne\u017e pr\u00e9miov\u00e1 sou\u010d\u00e1st, kter\u00e1 je citliv\u00e1 na chyby p\u0159i instalaci nebo \u00fadr\u017eb\u011b. Zku\u0161en\u00e9 n\u00e1kupn\u00ed t\u00fdmy se zam\u011b\u0159uj\u00ed na <strong>o\u010dek\u00e1van\u00e1 \u017eivotnost v re\u00e1ln\u00fdch podm\u00ednk\u00e1ch<\/strong>, nikoli maxim\u00e1ln\u00ed teoretickou \u017eivotnost.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. N\u00e1klady by m\u011bly b\u00fdt m\u011b\u0159eny jako celkov\u00e9 n\u00e1klady na vlastnictv\u00ed (TCO).<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jednotkov\u00e1 cena je jen mal\u00fdm zlomkem skute\u010dn\u00fdch n\u00e1klad\u016f na sou\u010d\u00e1stku. In\u017een\u00fdrsk\u00e9 zak\u00e1zky by m\u011bly vyhodnotit <strong>Celkov\u00e9 n\u00e1klady na vlastnictv\u00ed (TCO)<\/strong>, kter\u00e1 zahrnuje:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Po\u010d\u00e1te\u010dn\u00ed po\u0159izovac\u00ed n\u00e1klady<\/li>\n\n\n\n<li>Instalace a uveden\u00ed do provozu<\/li>\n\n\n\n<li>\u00dadr\u017eba a maz\u00e1n\u00ed<\/li>\n\n\n\n<li>Prostoje a v\u00fdrobn\u00ed ztr\u00e1ty<\/li>\n\n\n\n<li>Frekvence v\u00fdm\u011bny<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V mnoha pr\u016fmyslov\u00fdch syst\u00e9mech m\u016f\u017ee sou\u010d\u00e1st, kter\u00e1 stoj\u00ed 20-30% v\u00edce p\u0159edem, v\u00fdrazn\u011b sn\u00ed\u017eit celkov\u00e9 provozn\u00ed n\u00e1klady t\u00edm, \u017ee prodlou\u017e\u00ed intervaly \u00fadr\u017eby nebo zabr\u00e1n\u00ed nepl\u00e1novan\u00fdm odst\u00e1vk\u00e1m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Standardizace vs. p\u0159izp\u016fsoben\u00ed: Naj\u00edt spr\u00e1vnou rovnov\u00e1hu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u010casto se p\u0159edpokl\u00e1d\u00e1, \u017ee zak\u00e1zkov\u00e9 komponenty jsou drah\u00e9, zat\u00edmco standardn\u00ed d\u00edly jsou pova\u017eov\u00e1ny za cenov\u011b v\u00fdhodn\u00e9. Ve skute\u010dnosti, <strong>strategick\u00e9 p\u0159izp\u016fsoben\u00ed<\/strong> m\u016f\u017ee sn\u00ed\u017eit dlouhodob\u00e9 n\u00e1klady, pokud zlep\u0161\u00ed kompatibilitu syst\u00e9mu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159\u00edklady zahrnuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159izp\u016fsoben\u00ed materi\u00e1l\u016f t\u011bsn\u011bn\u00ed specifick\u00e9 chemick\u00e9 expozici<\/li>\n\n\n\n<li>Optimalizace v\u016fle lo\u017eisek pro tepelnou rozta\u017enost<\/li>\n\n\n\n<li>V\u00fdb\u011br konstrukc\u00ed ocelov\u00fdch lan, kter\u00e9 sni\u017euj\u00ed \u00fanavu p\u0159i specifick\u00e9m uspo\u0159\u00e1d\u00e1n\u00ed tras.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00fdmy pro zad\u00e1v\u00e1n\u00ed technick\u00fdch zak\u00e1zek by m\u011bly vyhodnotit, zda p\u0159izp\u016fsoben\u00ed sni\u017euje riziko poruchy, zjednodu\u0161uje \u00fadr\u017ebu nebo prodlu\u017euje \u017eivotnost natolik, aby to ospravedlnilo po\u010d\u00e1te\u010dn\u00ed technick\u00e9 \u00fasil\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Schopnosti dodavatele jsou stejn\u011b d\u016fle\u017eit\u00e9 jako samotn\u00e1 sou\u010d\u00e1stka<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vyv\u00e1\u017een\u00ed v\u00fdkonu, \u017eivotnosti a n\u00e1klad\u016f nen\u00ed mo\u017en\u00e9 bez technicky zdatn\u00e9ho dodavatele. Krom\u011b ceny by t\u00fdmy zadavatel\u016f m\u011bly posoudit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Konzistence kvality materi\u00e1lu nap\u0159\u00ed\u010d \u0161ar\u017eemi<\/li>\n\n\n\n<li>Schopnost poskytovat technickou podporu a anal\u00fdzu poruch<\/li>\n\n\n\n<li>Procesy sledovatelnosti a kontroly kvality<\/li>\n\n\n\n<li>Dlouhodob\u00e1 stabilita dod\u00e1vek<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dodavatel, kter\u00fd rozum\u00ed kontextu aplikace, m\u016f\u017ee pomoci p\u0159edej\u00edt nadm\u011brn\u00e9 a nedostate\u010dn\u00e9 specifikaci. Toto technick\u00e9 partnerstv\u00ed je \u010dasto t\u00edm, co odli\u0161uje spolehliv\u00e9 v\u00fdsledky n\u00e1kupu od opakovan\u00fdch selh\u00e1n\u00ed v provozu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Rozhodov\u00e1n\u00ed zalo\u017een\u00e9 na datech vytv\u00e1\u0159\u00ed dlouhodobou hodnotu ve\u0159ejn\u00fdch zak\u00e1zek<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159edn\u00ed t\u00fdmy pro zad\u00e1v\u00e1n\u00ed ve\u0159ejn\u00fdch zak\u00e1zek pou\u017e\u00edvaj\u00ed <strong>zp\u011btnovazebn\u00ed datov\u00e9 smy\u010dky<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00dadaje o v\u00fdkonnosti v ter\u00e9nu slou\u017e\u00ed jako podklad pro budouc\u00ed specifikace<\/li>\n\n\n\n<li>Anal\u00fdza poruch zlep\u0161uje v\u00fdb\u011br dodavatele<\/li>\n\n\n\n<li>N\u00e1klady na \u00fadr\u017ebu zp\u0159es\u0148uj\u00ed modely TCO<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Postupem \u010dasu tento p\u0159\u00edstup sni\u017euje nejistotu a zlep\u0161uje vyjedn\u00e1vac\u00ed p\u00e1ku - nikoliv stla\u010den\u00edm ceny, ale slad\u011bn\u00edm specifikac\u00ed se skute\u010dn\u00fdmi v\u00fdkonnostn\u00edmi pot\u0159ebami.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vyv\u00e1\u017een\u00ed v\u00fdkonnosti, \u017eivotnosti a n\u00e1klad\u016f na komponenty nen\u00ed jednor\u00e1zov\u00fd v\u00fdpo\u010det - jedn\u00e1 se o trval\u00fd in\u017een\u00fdrsk\u00fd proces. \u00dasp\u011b\u0161n\u00e9 jsou ty n\u00e1kupn\u00ed t\u00fdmy, kter\u00e9 kombinuj\u00ed technick\u00e9 znalosti, my\u0161len\u00ed o \u017eivotn\u00edm cyklu a spolupr\u00e1ci s dodavateli.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zam\u011b\u0159en\u00edm se na skute\u010dn\u00e9 provozn\u00ed podm\u00ednky, celkov\u00e9 n\u00e1klady na vlastnictv\u00ed a dlouhodobou spolehlivost se m\u016f\u017ee zad\u00e1v\u00e1n\u00ed technick\u00fdch zak\u00e1zek posunout nad r\u00e1mec rozhodov\u00e1n\u00ed o cen\u011b a st\u00e1t se strategick\u00fdm p\u0159isp\u011bvatelem k v\u00fdkonnosti za\u0159\u00edzen\u00ed a stabilit\u011b podniku.<\/p>","protected":false},"excerpt":{"rendered":"<p>In industrial manufacturing and equipment engineering, procurement decisions extend far beyond unit price. Choosing the wrong component\u2014whether a bearing, seal, or wire rope\u2014can lead to unplanned downtime, shortened equipment life, safety risks, and increased total operating costs. For engineering procurement teams, the real challenge lies in balancing three interdependent factors: component performance, service life, and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[32,1987,1980,1981,1985,1982,1975,50,1988,802,1978,1989,992,465,1979,930,1984,1986,617,1983],"class_list":["post-2067","post","type-post","status-publish","format-standard","hentry","category-industry-insights","tag-bearing-selection","tag-component-failure-analysis","tag-component-lifecycle","tag-component-selection","tag-cost-vs-performance","tag-engineering-procurement","tag-equipment-downtime-prevention","tag-industrial-components","tag-industrial-maintenance","tag-industrial-reliability","tag-industrial-sourcing","tag-long-term-reliability","tag-maintenance-cost-reduction","tag-mechanical-engineering","tag-oem-procurement","tag-sealing-solutions","tag-supplier-evaluation","tag-tco-analysis","tag-total-cost-of-ownership","tag-wire-rope-applications"],"_links":{"self":[{"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/posts\/2067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/comments?post=2067"}],"version-history":[{"count":3,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/posts\/2067\/revisions"}],"predecessor-version":[{"id":2070,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/posts\/2067\/revisions\/2070"}],"wp:attachment":[{"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/media?parent=2067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/categories?post=2067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wonzh.com\/cs\/wp-json\/wp\/v2\/tags?post=2067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}