{"id":1120,"date":"2018-11-02T20:14:49","date_gmt":"2018-11-02T20:14:49","guid":{"rendered":"https:\/\/vibromera.eu\/?p=1120"},"modified":"2025-03-05T20:36:37","modified_gmt":"2025-03-05T20:36:37","slug":"vakuove_vyvevy-rotory-vyvazeni","status":"publish","type":"post","link":"https:\/\/vibromera.eu\/cs\/example\/vacuum_pumps-rotors-balancing\/","title":{"rendered":"Vyva\u017eov\u00e1n\u00ed rotor\u016f sestaven\u00fdch vakuov\u00fdch v\u00fdv\u011bv"},"content":{"rendered":"
\n
\n\t\t\"Vyva\u017eov\u00e1n\u00ed\n\t<\/div>\n\n<\/div><\/div>

Vyva\u017eov\u00e1n\u00ed rotor\u016f smontovan\u00fdch v\u00fdv\u011bv<\/h3>\n
\n\t

\u00davod<\/h4>\n

V z\u00e1vod\u011b byly s na\u0161\u00ed pomoc\u00ed vyvinuty a zavedeny stojany pro vyva\u017eov\u00e1n\u00ed smontovan\u00fdch rotor\u016f ve vysokoot\u00e1\u010dkov\u00fdch vakuov\u00fdch \u010derpadlech. Tyto rotory mus\u00ed spl\u0148ovat p\u0159\u00edsn\u00e9 po\u017eadavky na jakost vyv\u00e1\u017een\u00ed a odpov\u00eddat p\u0159esnosti vyv\u00e1\u017een\u00ed t\u0159\u00eddy 1 podle GOST 22061-76, sov\u011btsk\u00e9 normy jakosti vyv\u00e1\u017een\u00ed (jej\u00edm modern\u00edm mezin\u00e1rodn\u00edm prot\u011bj\u0161kem je ISO 21940-11, d\u0159\u00edve ISO 1940-1), proto\u017ee jejich provozn\u00ed frekvence se pohybuje od 42,000 do 60,000 RPM.<\/p>\n

Technologick\u00fd proces<\/h4>\n
    \n
  1. Prvn\u00ed f\u00e1ze<\/strong>: V t\u00e9to f\u00e1zi, kdy rychlost ot\u00e1\u010den\u00ed rotoru nep\u0159esahuje 8,000 RPM a rotor z\u016fst\u00e1v\u00e1 tuh\u00fd, jsou kompenzov\u00e1ny hlavn\u00ed slo\u017eky jeho silov\u00e9 a momentov\u00e9 nevyv\u00e1\u017eenosti. S na\u0161imi p\u0159\u00edstroji je trvale dosahov\u00e1no stabiln\u00ed \u00farovn\u011b zbytkov\u00fdch vibrac\u00ed pod 0.01 mm\/s v rozsahu frekvenc\u00ed 3,500 a\u017e 8,000 RPM (v\u00fdsledek stoln\u00ed zkou\u0161ky z\u00edskan\u00fd na tomto vyhrazen\u00e9m vibra\u010dn\u011b izolovan\u00e9m stojanu, nikoli typick\u00e1 hodnota z ter\u00e9nn\u00edho m\u011b\u0159en\u00ed).<\/li>\n
  2. Druh\u00e1 f\u00e1ze<\/strong>: N\u00e1sledn\u00e9 vyv\u00e1\u017een\u00ed rotoru se prov\u00e1d\u00ed p\u0159i pracovn\u00ed frekvenci, kter\u00e1 m\u016f\u017ee v z\u00e1vislosti na konstrukci \u010derpadla dosahovat 42 000 nebo 60 000 ot\u00e1\u010dek za minutu. P\u0159i t\u00e9to frekvenci, kter\u00e1 p\u0159ekra\u010duje kritick\u00e9 ot\u00e1\u010dky, se rotor st\u00e1v\u00e1 pru\u017en\u00fdm a deformuje se, co\u017e vy\u017eaduje dal\u0161\u00ed vyva\u017eovac\u00ed opat\u0159en\u00ed.<\/li>\n<\/ol>\n

    V\u00fdsledky<\/h4>\n

    Zbytkov\u00e9 vibrace rotoru, kter\u00fdch se nakonec dos\u00e1hne ve druh\u00e9 f\u00e1zi, nep\u0159esahuj\u00ed 0,3 mm\/s. To zaji\u0161\u0165uje dlouhou dobu bezprobl\u00e9mov\u00e9ho provozu t\u00e9to kritick\u00e9 sou\u010d\u00e1sti. Celkov\u00e1 doba procesu vyva\u017eov\u00e1n\u00ed tohoto jedine\u010dn\u00e9ho v\u00fdrobku obvykle nep\u0159esahuje 30 minut.<\/p>\n

    Ekonomick\u00e1 efektivita<\/h4>\n

    N\u00e1klady na jeden vyva\u017eovac\u00ed stojan vybaven\u00fd na\u0161\u00edm vyva\u017eovac\u00edm za\u0159\u00edzen\u00edm \u010dinily pro z\u00e1kazn\u00edka pouze $3 000. To je p\u0159ibli\u017en\u011b desetkr\u00e1t levn\u011bj\u0161\u00ed ne\u017e n\u00e1klady na navrhovanou dov\u00e1\u017eenou alternativu.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    Introduction At the factory, with our assistance, stands have been developed and implemented for the balancing of assembled rotors in high-speed vacuum pumps. These rotors must meet stringent quality requirements for balancing, adhering to Class 1 balancing accuracy as per GOST 22061-76, the Soviet balance quality standard (its modern international […]<\/p>\n","protected":false},"author":2,"featured_media":1117,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ai_generated_summary":"","footnotes":""},"categories":[4,5],"tags":[],"class_list":["post-1120","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-example","category-solutions"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/1120","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/comments?post=1120"}],"version-history":[{"count":0,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/1120\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media\/1117"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/media?parent=1120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=1120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=1120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}