{"id":100290,"date":"2026-02-15T20:32:05","date_gmt":"2026-02-15T20:32:05","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&p=100290"},"modified":"2026-07-17T03:17:14","modified_gmt":"2026-07-17T03:17:14","slug":"vibration-iso20816-8-compressors","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/cs\/calculators\/vibration-iso20816-8-compressors\/","title":{"rendered":"Mezn\u00ed hodnoty vibrac\u00ed pro p\u00edstov\u00e9 kompresory podle normy ISO 20816-8"},"content":{"rendered":"

Mezn\u00ed hodnoty vibrac\u00ed pro p\u00edstov\u00e9 kompresory podle normy ISO 20816-8<\/h1>\n

Co je norma ISO 20816-8 a pro\u010d je d\u016fle\u017eit\u00e1 pro p\u00edstov\u00e9 kompresory?<\/h2>\n

Norma ISO 20816-8 je mezin\u00e1rodn\u00ed norma, kter\u00e1 definuje krit\u00e9ria pro hodnocen\u00ed z\u00e1va\u017enosti vibrac\u00ed konkr\u00e9tn\u011b pro p\u00edstov\u00e9 kompresory, v\u010detn\u011b kompresor\u016f pro procesn\u00ed plyny, vzduch a chladic\u00ed za\u0159\u00edzen\u00ed. Stanovuje \u010dty\u0159i vibra\u010dn\u00ed z\u00f3ny (A, B, C, D) na z\u00e1klad\u011b nam\u011b\u0159en\u00e9 rychlosti v mm\/s RMS, co\u017e pom\u00e1h\u00e1 technik\u016fm ur\u010dit, zda kompresor pracuje v p\u0159ijateln\u00fdch mez\u00edch nebo vy\u017eaduje n\u00e1pravn\u00e1 opat\u0159en\u00ed.<\/p>\n

P\u00edstov\u00e9 kompresory se z\u00e1sadn\u011b li\u0161\u00ed od rota\u010dn\u00edch stroj\u016f, jako jsou odst\u0159ediv\u00e9 nebo axi\u00e1ln\u00ed kompresory. P\u00edstovo-klikov\u00fd mechanismus a pulzuj\u00edc\u00ed plynov\u00e9 s\u00edly, kter\u00e9 jsou vlastn\u00ed p\u00edstov\u00fdm konstrukc\u00edm, zp\u016fsobuj\u00ed b\u011bhem norm\u00e1ln\u00edho provozu v\u00fdrazn\u011b vy\u0161\u0161\u00ed \u00farovn\u011b vibrac\u00ed. Proto existuje norma ISO 20816-8 jako samostatn\u00e1 sou\u010d\u00e1st rodiny norem ISO 20816 \u2013 pou\u017eit\u00ed omezen\u00ed z norem pro rota\u010dn\u00ed stroje (jako je ISO 20816-3) na p\u00edstov\u00e9 kompresory by vedlo k zav\u00e1d\u011bj\u00edc\u00edm a p\u0159\u00edli\u0161 konzervativn\u00edm hodnocen\u00edm.<\/p>\n

Rozsah normy ISO 20816-8 je konkr\u00e9tn\u011b vymezen: vztahuje se na syst\u00e9my p\u00edstov\u00fdch kompresor\u016f namontovan\u00e9 na tuh\u00fdch z\u00e1kladech s typick\u00fdmi provozn\u00edmi ot\u00e1\u010dkami od 120 r\/min do 1800 r\/min. Vibrace rotuj\u00edc\u00edch a torzn\u00ed vibrace h\u0159\u00eddele, stejn\u011b jako vibrace pohon\u016f (elektromotor\u016f, motor\u016f) a poh\u00e1n\u011bn\u00fdch pomocn\u00fdch za\u0159\u00edzen\u00ed, jsou mimo jej\u00ed rozsah a mus\u00ed b\u00fdt hodnoceny podle jin\u00fdch p\u0159\u00edslu\u0161n\u00fdch norem pro tyto typy stroj\u016f.<\/p>\n

Na str\u00e1nk\u00e1ch Meze vibrac\u00ed \u2013 p\u00edstov\u00e9 kompresory<\/strong> Bezplatn\u00fd online n\u00e1stroj z t\u00e9to sady in\u017een\u00fdrsk\u00fdch n\u00e1stroj\u016f implementuje klasifikaci z\u00f3n podle normy ISO 20816-8 v kalkula\u010dce v prohl\u00ed\u017ee\u010di. In\u017een\u00fd\u0159i mohou zadat nam\u011b\u0159enou rychlost vibrac\u00ed, vybrat typ kompresoru a typ z\u00e1klad\u016f a okam\u017eit\u011b obdr\u017eet p\u0159\u00edslu\u0161nou vibra\u010dn\u00ed z\u00f3nu spolu s provozn\u00edmi doporu\u010den\u00edmi \u2013 nejsou pot\u0159eba \u017e\u00e1dn\u00e9 tabulky ani ru\u010dn\u00ed vyhled\u00e1v\u00e1n\u00ed v tabulk\u00e1ch.<\/p>\n

Jak\u00e9 jsou hranice vibra\u010dn\u00edch z\u00f3n ISO 20816-8?<\/h2>\n

Pro p\u00edstov\u00e9 kompresory namontovan\u00e9 na pevn\u00fdch betonov\u00fdch nebo ocelov\u00fdch z\u00e1kladech p\u0159\u00edmo spojen\u00fdch s konstrukc\u00ed budovy definuje norma ISO 20816-8 t\u0159i hranice z\u00f3n: A\/B p\u0159i 7,1 mm\/s RMS, B\/C p\u0159i 14,0 mm\/s RMS a C\/D p\u0159i 28,0 mm\/s RMS. Z\u00f3na A p\u0159edstavuje nov\u011b uveden\u00fd do provozu nebo vynikaj\u00edc\u00ed stav, zat\u00edmco z\u00f3na D ozna\u010duje vibrace dostate\u010dn\u011b siln\u00e9, aby zp\u016fsobily po\u0161kozen\u00ed.<\/p>\n\n\n\n\n\n\n\n
Hranice z\u00f3ny<\/th>\nRychlostn\u00ed limit (mm\/s RMS)<\/th>\nProvozn\u00ed interpretace<\/th>\n<\/tr>\n<\/thead>\n
A\/B<\/td>\n7.1<\/td>\nP\u0159echod z nov\u011b uveden\u00e9ho stavu (vynikaj\u00edc\u00ed) na stav p\u0159ijateln\u00fd pro dlouhodob\u00fd provoz<\/td>\n<\/tr>\n
B\/C<\/td>\n14.0<\/td>\nP\u0159echod z p\u0159ijateln\u00e9ho na omezen\u00fd provoz \u2013 doporu\u010deno pro\u0161et\u0159en\u00ed<\/td>\n<\/tr>\n
C\/D<\/td>\n28.0<\/td>\nP\u0159echod z omezen\u00e9ho na nebezpe\u010dn\u00fd \u2013 riziko po\u0161kozen\u00ed, pokud provoz pokra\u010duje<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pevn\u00e9 z\u00e1klady jsou nejb\u011b\u017en\u011bj\u0161\u00ed metodou instalace velk\u00fdch kompresor\u016f procesn\u00edho plynu v rafin\u00e9ri\u00edch a chemick\u00fdch z\u00e1vodech. Hmotnost a tuhost z\u00e1kladu omezuj\u00ed pohyb r\u00e1mu, a proto jsou hranice z\u00f3n ni\u017e\u0161\u00ed ve srovn\u00e1n\u00ed s flexibiln\u00edmi (pru\u017einami izolovan\u00fdmi) instalacemi. Nap\u0159\u00edklad hodnota 12 mm\/s RMS na kompresoru procesn\u00edho plynu s pevn\u00fdm z\u00e1kladem spad\u00e1 do z\u00f3ny B \u2013 p\u0159ijateln\u00e1 pro neomezen\u00fd dlouhodob\u00fd provoz.<\/p>\n

Vztahuje se ISO 20816-8 i na pru\u017en\u00e9 (pru\u017einov\u011b izolovan\u00e9) z\u00e1klady?<\/h2>\n

Ne \u2014 ISO 20816-8 se vztahuje na p\u00edstov\u00e9 kompresory namontovan\u00e9 na tuh\u00fdch z\u00e1kladech a nestanovuje samostatnou tabulku z\u00f3n pro pru\u017en\u00e9 (pru\u017einov\u011b izolovan\u00e9) instalace. Pro stroje s pru\u017einovou izolac\u00ed n\u00e1stroj nab\u00edz\u00ed voliteln\u00e9 orienta\u010dn\u00ed technick\u00e9 hranice \u2014 A\/B p\u0159i 9.0 mm\/s RMS, B\/C p\u0159i 18.0 mm\/s RMS a C\/D p\u0159i 36.0 mm\/s RMS \u2014 extrapolovan\u00e9 z hodnot pro tuh\u00fd z\u00e1klad tak, aby odr\u00e1\u017eely dodate\u010dn\u00fd pohyb r\u00e1mu, kter\u00fd pru\u017einov\u00e1 izolace umo\u017e\u0148uje. Tyto orienta\u010dn\u00ed hodnoty nejsou sou\u010d\u00e1st\u00ed ISO 20816-8 a hodnocen\u00ed zalo\u017een\u00e9 na nich by nem\u011blo b\u00fdt uv\u00e1d\u011bno jako klasifikace z\u00f3n podle ISO 20816-8.<\/p>\n\n\n\n\n\n\n\n
Hranice z\u00f3ny<\/th>\nTuh\u00fd z\u00e1klad \u2014 ISO 20816-8 (mm\/s RMS)<\/th>\nPru\u017en\u00fd z\u00e1klad \u2014 extrapolovan\u00e9 orienta\u010dn\u00ed hodnoty, nejsou v ISO 20816-8 (mm\/s RMS)<\/th>\nFaktor zv\u00fd\u0161en\u00ed<\/th>\n<\/tr>\n<\/thead>\n
A\/B<\/td>\n7.1<\/td>\n9.0<\/td>\n\u00d71,27<\/td>\n<\/tr>\n
B\/C<\/td>\n14.0<\/td>\n18.0<\/td>\n\u00d71,29<\/td>\n<\/tr>\n
C\/D<\/td>\n28.0<\/td>\n36.0<\/td>\n\u00d71,29<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pru\u017einov\u00e9 izola\u010dn\u00ed instalace jsou b\u011b\u017en\u00e9 pro vzduchov\u00e9 kompresory a chladic\u00ed kompresory v budov\u00e1ch, kde je t\u0159eba minimalizovat p\u0159enos vibrac\u00ed na konstrukci. Flexibiln\u00ed z\u00e1klad umo\u017e\u0148uje r\u00e1mu kompresoru voln\u011bj\u0161\u00ed pohyb p\u0159i n\u00edzk\u00fdch frekvenc\u00edch, absorbuje setrva\u010dn\u00e9 s\u00edly, sp\u00ed\u0161e ne\u017e je p\u0159en\u00e1\u0161\u00ed. In\u017een\u00fd\u0159i mus\u00ed p\u0159ed pou\u017eit\u00edm tohoto Meze vibrac\u00ed \u2013 p\u00edstov\u00e9 kompresory<\/strong> n\u00e1stroj; volba nespr\u00e1vn\u00e9ho typu z\u00e1kladu m\u016f\u017ee posunout klasifikaci z\u00f3ny o celou jednu z\u00f3nu a v\u00e9st k nespr\u00e1vn\u00fdm rozhodnut\u00edm o \u00fadr\u017eb\u011b. M\u011bjte na pam\u011bti, \u017ee pouze hodnocen\u00ed tuh\u00e9ho z\u00e1kladu je skute\u010dnou klasifikac\u00ed podle ISO 20816-8 \u2014 mo\u017enost pru\u017en\u00e9ho z\u00e1kladu pou\u017e\u00edv\u00e1 v\u00fd\u0161e popsan\u00e9 extrapolovan\u00e9 orienta\u010dn\u00ed hodnoty, kter\u00e9 nespadaj\u00ed do rozsahu normy.<\/p>\n

Jak se li\u0161\u00ed limity vibrac\u00ed p\u00edstov\u00e9ho kompresoru od limit\u016f vibrac\u00ed rota\u010dn\u00edho stroje?<\/h2>\n

P\u00edstov\u00e9 kompresory maj\u00ed v\u00fdrazn\u011b vy\u0161\u0161\u00ed p\u0159\u00edpustn\u00e9 \u00farovn\u011b vibrac\u00ed ne\u017e rotuj\u00edc\u00ed stroje. Horn\u00ed limit z\u00f3ny A pro p\u00edstov\u00e9 kompresory na tuh\u00fdch z\u00e1kladech je 7.1 mm\/s RMS \u2014 p\u0159ibli\u017en\u011b p\u011btkr\u00e1t v\u00edce ne\u017e hranice A\/B z\u00f3ny 1.4 mm\/s RMS pro st\u0159edn\u011b velk\u00fd rotuj\u00edc\u00ed stroj (ISO 20816-3, d\u0159\u00edve ISO 10816-3, Group 2 na tuh\u00e9m ulo\u017een\u00ed). Tento rozd\u00edl existuje proto, \u017ee p\u00edstov\u00fd mechanismus ze sv\u00e9 podstaty vytv\u00e1\u0159\u00ed vy\u0161\u0161\u00ed vibrace, kter\u00e9 jsou pova\u017eov\u00e1ny za norm\u00e1ln\u00ed provoz.<\/p>\n\n\n\n\n\n\n\n\n\n
Parametr<\/th>\nP\u00edstov\u00e9 kompresory (ISO 20816-8, pevn\u00e9)<\/th>\nRotuj\u00edc\u00ed stroje (ISO 20816-3, Group 2, tuh\u00e9 ulo\u017een\u00ed)<\/th>\nPom\u011br<\/th>\n<\/tr>\n<\/thead>\n
Hranice z\u00f3ny A\/B<\/td>\n7,1 mm\/s RMS<\/td>\n1.4 mm\/s RMS<\/td>\n5.1\u00d7<\/td>\n<\/tr>\n
Hranice z\u00f3ny B\/C<\/td>\n14,0 mm\/s RMS<\/td>\n2,8 mm\/s RMS<\/td>\n5.0\u00d7<\/td>\n<\/tr>\n
Hranice z\u00f3ny C\/D<\/td>\n28,0 mm\/s RMS<\/td>\n4.5 mm\/s RMS<\/td>\n6.2\u00d7<\/td>\n<\/tr>\n
Prim\u00e1rn\u00ed zdroj vibrac\u00ed<\/td>\nSetrva\u010dn\u00e9 s\u00edly p\u00edstu a kliky, pulzace plynu<\/td>\nNevyv\u00e1\u017eenost rotoru, nesouosost<\/td>\n-<\/td>\n<\/tr>\n
Dominantn\u00ed frekven\u010dn\u00ed obsah<\/td>\n1\u00d7, 2\u00d7 a vy\u0161\u0161\u00ed n\u00e1sobky ot\u00e1\u010dkov\u00e9 frekvence<\/td>\nPrim\u00e1rn\u011b 1\u00d7 ot\u00e1\u010dkov\u00e1 frekvence<\/td>\n-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Toto srovn\u00e1n\u00ed zd\u016fraz\u0148uje kl\u00ed\u010dov\u00fd in\u017een\u00fdrsk\u00fd princip: limity vibrac\u00ed jsou specifick\u00e9 pro dan\u00fd typ stroje. Aplikace limit\u016f pro rota\u010dn\u00ed stroj na p\u00edstov\u00fd kompresor by zp\u016fsobila, \u017ee by t\u00e9m\u011b\u0159 ka\u017ed\u00e1 jednotka byla signalizov\u00e1na kv\u016fli nadm\u011brn\u00fdm vibrac\u00edm, co\u017e by vedlo ke zbyte\u010dn\u00fdm odst\u00e1vk\u00e1m a pl\u00fdtv\u00e1n\u00ed zdroji \u00fadr\u017eby. Naopak, aplikace limit\u016f pro p\u00edstov\u00fd kompresor na odst\u0159ediv\u00fd kompresor by mohla v\u00e9st k tomu, \u017ee skute\u010dn\u011b nebezpe\u010dn\u00e9 vibrace z\u016fstanou nepov\u0161imnuty. Meze vibrac\u00ed \u2013 p\u00edstov\u00e9 kompresory<\/strong> N\u00e1stroj zaji\u0161\u0165uje automatick\u00e9 pou\u017eit\u00ed spr\u00e1vn\u00e9 normy na z\u00e1klad\u011b v\u00fdb\u011bru stroje u\u017eivatelem.<\/p>\n

Co znamenaj\u00ed \u010dty\u0159i vibra\u010dn\u00ed z\u00f3ny (A, B, C, D) v norm\u011b ISO 20816-8?<\/h2>\n

\u010cty\u0159i z\u00f3ny v norm\u011b ISO 20816-8 klasifikuj\u00ed z\u00e1va\u017enost vibrac\u00ed do kategori\u00ed, podle kter\u00fdch lze prov\u00e9st opat\u0159en\u00ed: Z\u00f3na A p\u0159edstavuje vynikaj\u00edc\u00ed stav typick\u00fd pro nov\u011b uveden\u00e9 stroje, z\u00f3na B ozna\u010duje p\u0159ijateln\u00fd dlouhodob\u00fd provoz, z\u00f3na C znamen\u00e1, \u017ee vibrace dos\u00e1hly \u00farovn\u00ed vy\u017eaduj\u00edc\u00edch pro\u0161et\u0159en\u00ed a omezen\u00fd provoz, a z\u00f3na D signalizuje bezprost\u0159edn\u00ed riziko po\u0161kozen\u00ed vy\u017eaduj\u00edc\u00ed okam\u017eit\u00fd z\u00e1sah.<\/p>\n

    \n
  1. Z\u00f3na A<\/strong> \u2014 \u00darovn\u011b vibrac\u00ed typick\u00e9 pro nov\u011b uveden\u00e9 nebo ned\u00e1vno gener\u00e1ln\u011b opraven\u00e9 p\u00edstov\u00e9 kompresory. Nen\u00ed vy\u017eadov\u00e1na \u017e\u00e1dn\u00e1 opat\u0159en\u00ed. Toto je z\u00e1kladn\u00ed c\u00edl pro p\u0159ej\u00edmac\u00ed zkou\u0161ky.<\/li>\n
  2. Z\u00f3na B<\/strong> \u2014 \u00darovn\u011b vibrac\u00ed p\u0159ijateln\u00e9 pro neomezen\u00fd dlouhodob\u00fd provoz. V\u011bt\u0161ina kompresor\u016f v b\u011b\u017en\u00e9m provozu pracuje v t\u00e9to z\u00f3n\u011b. Monitorov\u00e1n\u00ed by m\u011blo pokra\u010dovat v b\u011b\u017en\u00fdch intervalech.<\/li>\n
  3. Z\u00f3na C<\/strong> \u2014 \u00darovn\u011b vibrac\u00ed, kter\u00e9 nejsou p\u0159ijateln\u00e9 pro trval\u00fd provoz. Kompresor m\u016f\u017ee b\u011b\u017eet po omezenou dobu, zat\u00edmco se pl\u00e1nuj\u00ed n\u00e1pravn\u00e1 opat\u0159en\u00ed, ale vy\u0161et\u0159ov\u00e1n\u00ed p\u0159\u00ed\u010diny by m\u011blo za\u010d\u00edt okam\u017eit\u011b. Mezi b\u011b\u017en\u00e9 p\u0159\u00ed\u010diny pat\u0159\u00ed opot\u0159ebovan\u00e1 vod\u00edtka p\u0159\u00ed\u010dn\u00edku, uvoln\u011bn\u00e9 z\u00e1kladov\u00e9 \u0161rouby nebo rezonance pulzac\u00ed plynu.<\/li>\n
  4. Z\u00f3na D<\/strong> \u2014 \u00darovn\u011b vibrac\u00ed jsou dostate\u010dn\u011b siln\u00e9, aby zp\u016fsobily rychl\u00e9 po\u0161kozen\u00ed kompresoru, potrub\u00ed nebo z\u00e1klad\u016f. Doporu\u010duje se okam\u017eit\u00e9 vypnut\u00ed nebo sn\u00ed\u017een\u00ed zat\u00ed\u017een\u00ed. Pokra\u010dov\u00e1n\u00ed v provozu v z\u00f3n\u011b D p\u0159edstavuje riziko katastrofick\u00e9ho selh\u00e1n\u00ed lo\u017eisek, klikov\u00e9ho h\u0159\u00eddele nebo sou\u010d\u00e1st\u00ed pod tlakem.<\/li>\n<\/ol>\n

    Syst\u00e9m z\u00f3n poskytuje univerz\u00e1ln\u00ed komunika\u010dn\u00ed r\u00e1mec mezi provozn\u00edmi, \u00fadr\u017eb\u00e1\u0159sk\u00fdmi a technick\u00fdmi t\u00fdmy pro spolehlivost. M\u00edsto debat o tom, zda je konkr\u00e9tn\u00ed \u010d\u00edslo vibrac\u00ed “vysok\u00e9” nebo “n\u00edzk\u00e9,” se t\u00fdmy mohou odvol\u00e1vat na klasifikaci z\u00f3n podle normy ISO 20816-8, aby mohly \u010dinit konzistentn\u00ed rozhodnut\u00ed nap\u0159\u00ed\u010d r\u016fzn\u00fdmi typy kompresor\u016f a instalacemi.<\/p>\n

    Kter\u00e9 typy kompresor\u016f pokr\u00fdv\u00e1 norma ISO 20816-8?<\/h2>\n

    ISO 20816-8 pokr\u00fdv\u00e1 v\u0161echny hlavn\u00ed kategorie p\u00edstov\u00fdch kompresor\u016f: procesn\u00ed plynov\u00e9 kompresory pou\u017e\u00edvan\u00e9 v rafineri\u00edch a chemick\u00fdch z\u00e1vodech, pr\u016fmyslov\u00e9 vzduchov\u00e9 kompresory pro z\u00e1vodn\u00ed pomocn\u00e9 syst\u00e9my a chladic\u00ed kompresory pou\u017e\u00edvan\u00e9 v HVAC a pr\u016fmyslov\u00fdch chladic\u00edch syst\u00e9mech. Stejn\u00e1 struktura hranic z\u00f3n podle ISO 20816-8 plat\u00ed pro v\u0161echny t\u0159i typy, pokud jsou namontov\u00e1ny na tuh\u00fdch z\u00e1kladech; u pru\u017einov\u011b izolovan\u00fdch instalac\u00ed n\u00e1stroj pou\u017e\u00edv\u00e1 v\u00fd\u0161e popsan\u00e9 extrapolovan\u00e9 ne-ISO orienta\u010dn\u00ed hodnoty.<\/p>\n

      \n
    • Kompresory procesn\u00edch plyn\u016f<\/strong> \u2014 Typicky velk\u00e9, v\u00edcestup\u0148ov\u00e9, pomalorychlostn\u00ed (300\u2013600 ot.\/min.) stroje zpracov\u00e1vaj\u00edc\u00ed vod\u00edk, zemn\u00ed plyn, ethylen a dal\u0161\u00ed procesn\u00ed plyny. Obvykle montovan\u00e9 na pevn\u00e9 \u017eelezobetonov\u00e9 z\u00e1klady. Tyto stroje p\u0159edstavuj\u00ed aplikaci s nejvy\u0161\u0161\u00edm rizikem v d\u016fsledku provozu s ho\u0159lav\u00fdmi nebo toxick\u00fdmi l\u00e1tkami.<\/li>\n
    • Vzduchov\u00e9 kompresory<\/strong> \u2014 St\u0159edn\u00ed a\u017e velk\u00e9 p\u00edstov\u00e9 vzduchov\u00e9 kompresory (obvykle 500\u20131800 ot.\/min.) pou\u017e\u00edvan\u00e9 pro p\u0159\u00edvod vzduchu do za\u0159\u00edzen\u00ed. \u010casto se montuj\u00ed na pevn\u00e9 nebo flexibiln\u00ed z\u00e1klady v z\u00e1vislosti na instala\u010dn\u00edch po\u017eadavc\u00edch. Probl\u00e9my s vibracemi vzduchov\u00fdch kompresor\u016f \u010dasto pramen\u00ed z degradace ventil\u016f nebo poruchy odleh\u010dovac\u00edho ventilu.<\/li>\n
    • Chladic\u00ed kompresory<\/strong> \u2014 P\u00edstov\u00e9 kompresory s otev\u0159en\u00fdm pohonem nebo polohermetick\u00e9 p\u00edstov\u00e9 kompresory pou\u017e\u00edvan\u00e9 v amoniakov\u00fdch chladic\u00edch syst\u00e9mech, pr\u016fmyslov\u00fdch chladi\u010d\u00edch a chlad\u00edrensk\u00fdch za\u0159\u00edzen\u00edch. Tyto kompresory mohou pracovat p\u0159i vy\u0161\u0161\u00edch ot\u00e1\u010dk\u00e1ch (900\u20131750 ot.\/min) a \u010dasto jsou pru\u017einov\u011b izolovan\u00e9, aby se minimalizoval p\u0159enos hluku a vibrac\u00ed do ob\u00fdvan\u00fdch prostor.<\/li>\n<\/ul>\n

      Na str\u00e1nk\u00e1ch Meze vibrac\u00ed \u2013 p\u00edstov\u00e9 kompresory<\/strong> n\u00e1stroj podporuje v\u0161echny t\u0159i typy kompresor\u016f s odpov\u00eddaj\u00edc\u00edmi hodnotami rychl\u00e9ho p\u0159ednastaven\u00ed. Nap\u0159\u00edklad n\u00e1stroj zahrnuje p\u0159ednastaven\u00ed 12 mm\/s pro procesn\u00ed kompresor na tuh\u00e9m z\u00e1kladu (z\u00f3na B), 20 mm\/s pro vzduchov\u00fd kompresor (z\u00f3na C na tuh\u00e9m z\u00e1kladu; tak\u00e9 z\u00f3na C podle orienta\u010dn\u00edch hodnot pro pru\u017en\u00fd z\u00e1klad) a 8 mm\/s pro chladic\u00ed kompresor (z\u00f3na B na tuh\u00e9m z\u00e1kladu; z\u00f3na A podle orienta\u010dn\u00edch hodnot pro pru\u017en\u00fd z\u00e1klad).<\/p>\n

      Pro\u010d norma ISO 20816-8 nezahrnuje vibrace potrub\u00ed vyvolan\u00e9 pulzac\u00ed?<\/h2>\n

      Norma ISO 20816-8 se zab\u00fdv\u00e1 pouze vibracemi r\u00e1mu a lo\u017eiskov\u00e9ho t\u011blesa samotn\u00e9ho kompresoru. Vibrace potrub\u00ed vyvolan\u00e9 pulzac\u00ed \u2013 \u010dasto nejkriti\u010dt\u011bj\u0161\u00ed probl\u00e9m s vibracemi u instalac\u00ed p\u00edstov\u00fdch kompresor\u016f \u2013 mus\u00ed b\u00fdt posuzov\u00e1ny samostatn\u011b pomoc\u00ed norem, jako jsou Pokyny Energetick\u00e9ho institutu pro zamezen\u00ed \u00fanavov\u00fdch poruch vyvolan\u00fdch vibracemi v procesn\u00edch potrub\u00edch nebo po\u017eadavky na studii pulzac\u00ed API 618.<\/p>\n

      P\u00edstov\u00e9 kompresory generuj\u00ed pulzace tlaku plynu s n\u00e1sobky provozn\u00ed rychlosti a po\u010dtu v\u00e1lc\u016f. Tyto pulzace se \u0161\u00ed\u0159\u00ed p\u0159ipojen\u00fdm potrubn\u00edm syst\u00e9mem a mohou vyvol\u00e1vat mechanick\u00e9 vlastn\u00ed frekvence rozp\u011bt\u00ed potrub\u00ed, spoj\u016f s mal\u00fdm pr\u016fm\u011brem a p\u0159\u00edstrojov\u00fdch trubek. Podle pr\u016fzkumu Energetick\u00e9ho institutu z roku 2019 p\u0159edstavuje \u00fanava potrub\u00ed z vibrac\u00ed p\u0159ibli\u017en\u011b 20% v\u0161ech \u00fanik\u016f obsahu v ropn\u00e9m a plyn\u00e1rensk\u00e9m pr\u016fmyslu, co\u017e z n\u00ed \u010din\u00ed hlavn\u00ed p\u0159\u00ed\u010dinu nehod se ztr\u00e1tou obsahu.<\/p>\n

      Toto rozli\u0161en\u00ed je d\u016fle\u017eit\u00e9: kompresor m\u016f\u017ee m\u00edt naprosto p\u0159ijateln\u00e9 vibrace r\u00e1mu (z\u00f3na A nebo B dle normy ISO 20816-8) a z\u00e1rove\u0148 vibrace potrub\u00ed mohou b\u00fdt natolik siln\u00e9, \u017ee zp\u016fsob\u00ed \u00fanavov\u00e9 selh\u00e1n\u00ed b\u011bhem n\u011bkolika t\u00fddn\u016f. In\u017een\u00fd\u0159i prov\u00e1d\u011bj\u00edc\u00ed posouzen\u00ed vibrac\u00ed na instalac\u00edch p\u00edstov\u00fdch kompresor\u016f by m\u011bli v\u017edy vyhodnotit jak vibrace r\u00e1mu kompresoru dle normy ISO 20816-8, tak i souvisej\u00edc\u00ed vibrace potrub\u00ed dle p\u0159\u00edslu\u0161n\u00fdch norem pro vibrace potrub\u00ed.<\/p>\n

      Jak se pou\u017e\u00edv\u00e1 bezplatn\u00fd online n\u00e1stroj pro posouzen\u00ed vibrac\u00ed podle normy ISO 20816-8?<\/h2>\n

      Na str\u00e1nk\u00e1ch Meze vibrac\u00ed \u2013 p\u00edstov\u00e9 kompresory<\/strong> bezplatn\u00fd online n\u00e1stroj vy\u017eaduje t\u0159i vstupy: typ kompresoru (procesn\u00ed plyn, vzduch nebo chlazen\u00ed), typ z\u00e1kladu (tuh\u00fd nebo pru\u017en\u00fd) a nam\u011b\u0159enou rychlost vibrac\u00ed v mm\/s RMS. N\u00e1stroj okam\u017eit\u011b vr\u00e1t\u00ed p\u0159\u00edslu\u0161nou z\u00f3nu vibrac\u00ed, hodnoty hranic z\u00f3n a provozn\u00ed doporu\u010den\u00ed \u2014 na z\u00e1klad\u011b krit\u00e9ri\u00ed ISO 20816-8 pro tuh\u00e9 z\u00e1klady nebo extrapolovan\u00fdch orienta\u010dn\u00edch hodnot n\u00e1stroje pro pru\u017en\u00e9 z\u00e1klady.<\/p>\n

        \n
      1. Vyberte typ kompresoru<\/strong> \u2014 Vyberte si z mo\u017enost\u00ed Kompresor procesn\u00edho plynu, Vzduchov\u00fd kompresor nebo Chladic\u00ed kompresor. I kdy\u017e jsou hranice z\u00f3n v sou\u010dasn\u00e9 dob\u011b pro v\u0161echny t\u0159i typy stejn\u00e9, tento v\u00fdb\u011br umo\u017e\u0148uje vhodn\u00fd kontext pro text doporu\u010den\u00ed a podporuje budouc\u00ed revize norem, kter\u00e9 se mohou li\u0161it podle typu kompresoru.<\/li>\n
      2. Vyberte typ z\u00e1kladu<\/strong> \u2014 Zvolte Tuh\u00fd z\u00e1klad nebo Pru\u017en\u00fd (pru\u017einov\u011b izolovan\u00fd). Tato volba ur\u010duje, kter\u00e1 sada hranic z\u00f3n se pou\u017eije; m\u011bjte na pam\u011bti, \u017ee pouze hranice pro tuh\u00fd z\u00e1klad poch\u00e1zej\u00ed z ISO 20816-8, zat\u00edmco mo\u017enost pru\u017en\u00e9ho z\u00e1kladu pou\u017e\u00edv\u00e1 extrapolovan\u00e9 ne-ISO orienta\u010dn\u00ed hodnoty n\u00e1stroje. Pokud si nejste jisti, zkontrolujte ulo\u017een\u00ed kompresoru: tuh\u00e9 z\u00e1klady maj\u00ed r\u00e1m p\u0159i\u0161roubovan\u00fd p\u0159\u00edmo ke betonu nebo oceli; pru\u017en\u00e9 z\u00e1klady maj\u00ed mezi r\u00e1mem a nosnou konstrukc\u00ed viditeln\u00e9 pru\u017einov\u00e9 nebo pry\u017eov\u00e9 izola\u010dn\u00ed prvky.<\/li>\n
      3. Zadejte nam\u011b\u0159enou rychlost<\/strong> \u2014 Zadejte celkovou rychlost vibrac\u00ed v mm\/s RMS, m\u011b\u0159enou na r\u00e1mu kompresoru nebo lo\u017eiskov\u00e9m t\u011blese. M\u011b\u0159en\u00ed by se m\u011bla prov\u00e1d\u011bt ve sm\u011bru maxim\u00e1ln\u00edch vibrac\u00ed, obvykle vodorovn\u011b kolmo k ose klikov\u00e9ho h\u0159\u00eddele.<\/li>\n
      4. V\u00fdsledky kontroly<\/strong> \u2014 P\u0159\u00edstroj zobrazuje barevn\u011b k\u00f3dovan\u00fd indik\u00e1tor z\u00f3ny (A = zelen\u00e1, B = \u017elut\u00e1, C = oran\u017eov\u00e1, D = \u010derven\u00e1), nam\u011b\u0159enou hodnotu vzhledem k hranic\u00edm z\u00f3ny a konkr\u00e9tn\u00ed provozn\u00ed doporu\u010den\u00ed.<\/li>\n<\/ol>\n

        Pro b\u011b\u017en\u00e9 sc\u00e9n\u00e1\u0159e jsou k dispozici rychl\u00e9 p\u0159edvolby: procesn\u00ed kompresor na pevn\u00e9m z\u00e1kladu s rychlost\u00ed 12 mm\/s, vzduchov\u00fd kompresor s rychlost\u00ed 20 mm\/s a chladic\u00ed kompresor s rychlost\u00ed 8 mm\/s. Tyto p\u0159edvolby umo\u017e\u0148uj\u00ed in\u017een\u00fdr\u016fm rychle prozkoumat funkce n\u00e1stroje a pochopit, jak funguje klasifikace z\u00f3n, je\u0161t\u011b p\u0159ed zad\u00e1n\u00edm vlastn\u00edch nam\u011b\u0159en\u00fdch dat.<\/p>\n

        Jak\u00e9 m\u011b\u0159ic\u00ed postupy se doporu\u010duj\u00ed pro hodnocen\u00ed dle normy ISO 20816-8?<\/h2>\n

        Hodnocen\u00ed podle ISO 20816-8 vy\u017eaduje m\u011b\u0159en\u00ed rychlosti vibrac\u00ed v mm\/s RMS proveden\u00e1 na r\u00e1mu kompresoru nebo hlavn\u00edch lo\u017eiskov\u00fdch sk\u0159\u00edn\u00edch. M\u011b\u0159en\u00ed by m\u011bla b\u00fdt provedena za ust\u00e1len\u00fdch provozn\u00edch podm\u00ednek ve v\u0161ech t\u0159ech os\u00e1ch (horizont\u00e1ln\u00ed, vertik\u00e1ln\u00ed, axi\u00e1ln\u00ed), p\u0159i\u010dem\u017e pro klasifikaci z\u00f3ny se pou\u017eije nejvy\u0161\u0161\u00ed hodnota. Doporu\u010duj\u00ed se \u0161irokop\u00e1smov\u00e1 m\u011b\u0159en\u00ed pokr\u00fdvaj\u00edc\u00ed alespo\u0148 2\u20131000 Hz.<\/p>\n

          \n
        • Parametr m\u011b\u0159en\u00ed:<\/strong> Rychlost, mm\/s RMS (efektivn\u00ed hodnota). Nepou\u017e\u00edvejte \u0161pi\u010dkov\u00e9 ani mezi\u0161pi\u010dkov\u00e9 hodnoty \u2013 ty by nadhodnotily z\u00e1va\u017enost o 40\u2013100 % v z\u00e1vislosti na charakteristik\u00e1ch tvaru vlny.<\/li>\n
        • M\u00edsta m\u011b\u0159en\u00ed:<\/strong> Hlavn\u00ed lo\u017eiskov\u00e1 t\u011blesa, vodic\u00ed t\u011blesa p\u0159\u00ed\u010dn\u00fdch hlav a povrchy r\u00e1mu v bl\u00edzkosti st\u0159edov\u00e9 osy klikov\u00e9ho h\u0159\u00eddele. Nem\u011b\u0159te na tenk\u00fdch krytech, v\u00edk\u00e1ch ventil\u016f nebo potrub\u00ed \u2013 tato m\u00edsta vykazuj\u00ed lok\u00e1ln\u00ed rezonan\u010dn\u00ed zes\u00edlen\u00ed, kter\u00e9 nep\u0159edstavuje vibrace r\u00e1mu.<\/li>\n
        • Frekven\u010dn\u00ed rozsah:<\/strong> \u0160irokop\u00e1smov\u00e9 m\u011b\u0159en\u00ed pokr\u00fdvaj\u00edc\u00ed alespo\u0148 2 Hz a\u017e 1000 Hz. P\u00edstov\u00e9 kompresory generuj\u00ed zna\u010dnou energii p\u0159i n\u00edzk\u00fdch frekvenc\u00edch (1\u00d7 a 2\u00d7 provozn\u00ed rychlost), proto jsou nezbytn\u00e9 p\u0159\u00edstroje s odpov\u00eddaj\u00edc\u00ed n\u00edzkofrekven\u010dn\u00ed odezvou. Standardn\u00ed akcelerometry s horn\u00ed propust\u00ed nastavenou nad 10 Hz mohou p\u0159ehl\u00e9dnout kritick\u00fd n\u00edzkofrekven\u010dn\u00ed obsah.<\/li>\n
        • Provozn\u00ed podm\u00ednky:<\/strong> M\u011b\u0159en\u00ed by m\u011bla b\u00fdt prov\u00e1d\u011bna p\u0159i norm\u00e1ln\u00edm, ust\u00e1len\u00e9m provozn\u00edm zat\u00ed\u017een\u00ed. Vibrace b\u011bhem spou\u0161t\u011bn\u00ed, vyp\u00edn\u00e1n\u00ed nebo provozu bez zat\u00ed\u017een\u00ed nejsou reprezentativn\u00ed a nem\u011bly by b\u00fdt pou\u017e\u00edv\u00e1ny pro klasifikaci z\u00f3n.<\/li>\n
        • Po\u010det ode\u010dt\u016f:<\/strong> Pro ov\u011b\u0159en\u00ed opakovatelnosti prove\u010fte v ka\u017ed\u00e9m bod\u011b alespo\u0148 t\u0159i po sob\u011b jdouc\u00ed m\u011b\u0159en\u00ed. Vibrace p\u00edstov\u00e9ho kompresoru se mohou m\u011bnit v z\u00e1vislosti na zat\u00ed\u017een\u00ed plynem, stavu ventilu a tepeln\u00e9m stavu.<\/li>\n<\/ul>\n

          Jak\u00fdm zp\u016fsobem zapad\u00e1 norma ISO 20816-8 do rodiny norem ISO 20816?<\/h2>\n

          Norma ISO 20816-8 je jednou z n\u011bkolika specifick\u00fdch \u010d\u00e1st\u00ed rodiny norem ISO 20816 pro hodnocen\u00ed vibrac\u00ed, kter\u00e9 se zab\u00fdvaj\u00ed stroji. Ka\u017ed\u00e1 \u010d\u00e1st se zab\u00fdv\u00e1 jinou kategori\u00ed stroj\u016f s hranicemi z\u00f3n kalibrovan\u00fdmi na vibra\u010dn\u00ed charakteristiky dan\u00e9ho typu za\u0159\u00edzen\u00ed. Tato rodina nahradila a slou\u010dila star\u0161\u00ed \u0159ady ISO 10816 a ISO 7919.<\/p>\n\n\n\n\n\n\n\n\n\n\n
          \u010c\u00e1st normy<\/th>\nTyp stroje<\/th>\nKl\u00ed\u010dov\u00fd rozd\u00edl oproti norm\u011b ISO 20816-8<\/th>\n<\/tr>\n<\/thead>\n
          ISO 20816-1<\/td>\nObecn\u00e9 pokyny<\/td>\nR\u00e1mcov\u00e1 norma; neuv\u00e1d\u00ed konkr\u00e9tn\u00ed hranice z\u00f3n<\/td>\n<\/tr>\n
          ISO 20816-3<\/td>\nPr\u016fmyslov\u00e9 stroje (\u010derpadla, motory, ventil\u00e1tory, kompresory > 15 kW)<\/td>\nPouze pro rota\u010dn\u00ed stroje; v\u00fdrazn\u011b ni\u017e\u0161\u00ed limity vibrac\u00ed<\/td>\n<\/tr>\n
          ISO 20816-5<\/td>\nHydraulick\u00e9 turb\u00edny a \u010derpac\u00ed turb\u00edny<\/td>\nZahrnuje vibrace h\u0159\u00eddele i konstrukce hydrogener\u00e1tor\u016f<\/td>\n<\/tr>\n
          ISO 20816-8<\/td>\nP\u00edstov\u00e9 kompresory<\/td>\nNejvy\u0161\u0161\u00ed hranice z\u00f3ny odr\u00e1\u017eej\u00edc\u00ed s\u00edly vratn\u00e9ho mechanismu<\/td>\n<\/tr>\n
          ISO 20816-9<\/td>\nP\u0159evodovky<\/td>\nZohled\u0148uje frekvence z\u00e1b\u011bru ozuben\u00fdch kol a s\u00edly v z\u00e1b\u011bru zub\u016f<\/td>\n<\/tr>\n
          ISO 20816-21<\/td>\nV\u011btrn\u00e9 turb\u00edny<\/td>\n\u0158e\u0161\u00ed vibrace gondoly a v\u011b\u017ee p\u0159i prom\u011bnn\u00e9m zat\u00ed\u017een\u00ed v\u011btrem<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Pochopen\u00ed m\u00edsta normy ISO 20816-8 v r\u00e1mci t\u00e9to rodiny norem pom\u00e1h\u00e1 in\u017een\u00fdr\u016fm vyhnout se b\u011b\u017en\u00e9 chyb\u011b: pou\u017eit\u00ed nespr\u00e1vn\u00e9 \u010d\u00e1sti normy pro jejich konkr\u00e9tn\u00ed stroj. Nap\u0159\u00edklad in\u017een\u00fdr spolehlivosti pracuj\u00edc\u00ed v rafin\u00e9rii m\u016f\u017ee pot\u0159ebovat normu ISO 20816-3 pro odst\u0159ediv\u00e1 \u010derpadla a motory, ISO 20816-8 pro p\u00edstov\u00e9 kompresory a ISO 20816-9 pro p\u0159evodovky \u2013 to v\u0161e v r\u00e1mci stejn\u00e9ho z\u00e1vodu.<\/p>\n

          \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n

          Jak\u00e1 \u00farove\u0148 vibrac\u00ed je p\u0159ijateln\u00e1 pro p\u00edstov\u00fd kompresor?<\/h3>\n

          U p\u00edstov\u00fdch kompresor\u016f na tuh\u00fdch z\u00e1kladech je rychlost vibrac\u00ed do 7.1 mm\/s RMS pova\u017eov\u00e1na za v\u00fdbornou (z\u00f3na A) a do 14.0 mm\/s RMS za p\u0159ijatelnou pro neomezen\u00fd dlouhodob\u00fd provoz (z\u00f3na B) podle ISO 20816-8. Pro pru\u017en\u00e9 (pru\u017einov\u011b izolovan\u00e9) z\u00e1klady ISO 20816-8 limity nestanovuje; extrapolovan\u00e9 technick\u00e9 orienta\u010dn\u00ed hodnoty n\u00e1stroje pou\u017e\u00edvaj\u00ed odpov\u00eddaj\u00edc\u00ed hranice 9.0 a 18.0 mm\/s RMS.<\/p>\n

          Mohu pou\u017e\u00edt limity normy ISO 20816-3 pro p\u00edstov\u00fd kompresor?<\/h3>\n

          Ne. ISO 20816-3 se vztahuje v\u00fdhradn\u011b na rotuj\u00edc\u00ed stroje. P\u00edstov\u00e9 kompresory vytv\u00e1\u0159ej\u00ed kv\u016fli p\u00edstov\u011b-klikov\u00e9mu mechanismu ze sv\u00e9 podstaty vy\u0161\u0161\u00ed vibrace a jejich p\u0159\u00edpustn\u00e9 \u00farovn\u011b jsou n\u011bkolikan\u00e1sobn\u011b vy\u0161\u0161\u00ed ne\u017e typick\u00e9 limity pro rotuj\u00edc\u00ed stroje. U p\u00edstov\u00fdch kompresor\u016f v\u017edy pou\u017e\u00edvejte ISO 20816-8, abyste p\u0159ede\u0161li fale\u0161n\u00fdm alarm\u016fm a zbyte\u010dn\u00fdm odst\u00e1vk\u00e1m.<\/p>\n

          Definuje ISO 20816-8 limity pro pru\u017en\u00e9 (pru\u017einov\u011b izolovan\u00e9) z\u00e1klady?<\/h3>\n

          Ne. ISO 20816-8 se vztahuje na p\u00edstov\u00e9 kompresory na tuh\u00fdch z\u00e1kladech a definuje hranice z\u00f3n pouze pro tuh\u00e9 instalace. Hodnoty pro pru\u017en\u00fd z\u00e1klad nab\u00edzen\u00e9 n\u00e1strojem (nap\u0159\u00edklad 9.0 mm\/s na hranici A\/B oproti 7.1 mm\/s pro tuh\u00fd z\u00e1klad) jsou extrapolovan\u00e9 technick\u00e9 orienta\u010dn\u00ed hodnoty \u2014 p\u0159ibli\u017en\u011b o 27\u201329% vy\u0161\u0161\u00ed ne\u017e hranice pro tuh\u00fd z\u00e1klad, aby odr\u00e1\u017eely dodate\u010dn\u00fd pohyb r\u00e1mu umo\u017en\u011bn\u00fd izola\u010dn\u00edm syst\u00e9mem \u2014 a nejde o limity ISO 20816-8.<\/p>\n

          Vztahuje se norma ISO 20816-8 na vibrace potrub\u00ed p\u00edstov\u00fdch kompresor\u016f?<\/h3>\n

          Norma ISO 20816-8 se vztahuje pouze na vibrace r\u00e1mu kompresoru a lo\u017eiskov\u00e9ho t\u011blesa. Vibrace potrub\u00ed vyvolan\u00e9 pulzac\u00ed \u2013 \u010dasto nejkriti\u010dt\u011bj\u0161\u00ed probl\u00e9m \u2013 mus\u00ed b\u00fdt posuzov\u00e1ny samostatn\u011b pomoc\u00ed norem, jako jsou sm\u011brnice Energetick\u00e9ho institutu, nebo proveden\u00edm studie pulzac\u00ed a mechanick\u00e9 odezvy podle normy API 618 b\u011bhem f\u00e1ze n\u00e1vrhu.<\/p>\n

          M\u00e1m podle normy ISO 20816-8 m\u011b\u0159it vibrace v posunut\u00ed, rychlosti nebo zrychlen\u00ed?<\/h3>\n

          Hranice z\u00f3n podle normy ISO 20816-8 jsou definov\u00e1ny rychlost\u00ed, konkr\u00e9tn\u011b mm\/s RMS. Pou\u017e\u00edvejte \u0161irokop\u00e1smov\u00e1 m\u011b\u0159en\u00ed rychlosti pokr\u00fdvaj\u00edc\u00ed alespo\u0148 2\u20131000 Hz. Pokud v\u00e1\u0161 p\u0159\u00edstroj m\u011b\u0159\u00ed zrychlen\u00ed, ujist\u011bte se, \u017ee m\u00e1 softwarovou integraci pro p\u0159evod na rychlost s odpov\u00eddaj\u00edc\u00ed n\u00edzkofrekven\u010dn\u00ed odezvou, proto\u017ee p\u00edstov\u00e9 kompresory produkuj\u00ed zna\u010dnou energii p\u0159i 1\u00d7 a 2\u00d7 provozn\u00ed rychlosti (\u010dasto pod 20 Hz).<\/p>\n

          Jak \u010dasto by se m\u011bly m\u011b\u0159it vibrace u p\u00edstov\u00fdch kompresor\u016f?<\/h3>\n

          A\u010dkoliv norma ISO 20816-8 nep\u0159edepisuje specifick\u00fd interval monitorov\u00e1n\u00ed, osv\u011bd\u010den\u00e9 postupy v oboru doporu\u010duj\u00ed m\u011bs\u00ed\u010dn\u00ed m\u011b\u0159en\u00ed na trase u nekritick\u00fdch kompresor\u016f a nep\u0159etr\u017eit\u00e9 online monitorov\u00e1n\u00ed u kritick\u00fdch kompresor\u016f procesn\u00edho plynu. Stroje provozovan\u00e9 v z\u00f3n\u011b C by m\u011bly b\u00fdt monitorov\u00e1ny se zv\u00fd\u0161enou frekvenc\u00ed (t\u00fddn\u011b nebo nep\u0159etr\u017eit\u011b), dokud nebudou dokon\u010dena n\u00e1pravn\u00e1 opat\u0159en\u00ed.<\/p>\n

          Jak\u00e9 jsou b\u011b\u017en\u00e9 p\u0159\u00ed\u010diny vysok\u00fdch vibrac\u00ed u p\u00edstov\u00fdch kompresor\u016f?<\/h3>\n

          Mezi b\u011b\u017en\u00e9 p\u0159\u00ed\u010diny pat\u0159\u00ed opot\u0159ebovan\u00e9 t\u011bsn\u011bn\u00ed p\u0159\u00ed\u010dn\u00edku nebo p\u00edstn\u00ed ty\u010de, uvoln\u011bn\u00e9 z\u00e1kladov\u00e9 \u0161rouby, nevyv\u00e1\u017een\u00e9 protilehl\u00e9 v\u00e1lce, degradovan\u00e9 nebo net\u011bsn\u00e9 ventily kompresoru, rezonance pulzac\u00ed plynu v potrubn\u00edm syst\u00e9mu, nesouosost mezi kompresorem a hnac\u00edm motorem a opot\u0159eben\u00ed klikov\u00e9ho h\u0159\u00eddele nebo lo\u017eiska. Specifick\u00fd obsah vibra\u010dn\u00ed frekvence (spektr\u00e1ln\u00ed anal\u00fdza) pom\u00e1h\u00e1 rozli\u0161it mezi t\u011bmito z\u00e1kladn\u00edmi p\u0159\u00ed\u010dinami.<\/p>\n

          Je n\u00e1stroj Vibration Limits \u2014 Reciprocating Compressors zdarma?<\/h3>\n

          Ano. N\u00e1stroj Vibration Limits \u2014 Reciprocating Compressors je bezplatn\u00e1 technick\u00e1 kalkula\u010dka zalo\u017een\u00e1 na prohl\u00ed\u017ee\u010di (Free Engineering Tool #024), kter\u00e1 implementuje klasifikaci z\u00f3n podle normy ISO 20816-8. Nevy\u017eaduje \u017e\u00e1dnou registraci, instalaci softwaru ani platbu. Technici mohou zadat nam\u011b\u0159en\u00e9 hodnoty vibrac\u00ed a okam\u017eit\u011b obdr\u017eet klasifikaci z\u00f3n s provozn\u00edmi doporu\u010den\u00edmi.<\/p>","protected":false},"excerpt":{"rendered":"

          Bezplatn\u00e1 online kalkula\u010dka pro vyhodnocen\u00ed vibra\u010dn\u00edch z\u00f3n dle normy ISO 20816-8 pro p\u00edstov\u00e9 kompresory. Vyhodno\u0165te rychlost lo\u017eiskov\u00e9ho t\u011blesa vzhledem k limit\u016fm z\u00f3n A\/B\/C\/D pro procesn\u00ed plynov\u00e9, vzduchov\u00e9 a chladic\u00ed kompresory na pevn\u00fdch a flexibiln\u00edch z\u00e1kladech.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100290","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/calculator\/100290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":8,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/calculator\/100290\/revisions"}],"predecessor-version":[{"id":102639,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/calculator\/100290\/revisions\/102639"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=100290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=100290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=100290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}