{"id":1114,"date":"2018-10-22T20:11:42","date_gmt":"2018-10-22T20:11:42","guid":{"rendered":"https:\/\/vibromera.eu\/?p=1114"},"modified":"2025-06-10T21:17:09","modified_gmt":"2025-06-10T21:17:09","slug":"vakuove-pumpy-vyvazovaci-stojan","status":"publish","type":"post","link":"https:\/\/vibromera.eu\/cs\/uncategorized\/vacuum-pumps-balancing-stand\/","title":{"rendered":"Vyva\u017eovac\u00ed stojan pro vakuov\u00e9 v\u00fdv\u011bvy"},"content":{"rendered":"
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Vyva\u017eovac\u00ed stojan pro vakuov\u00e9 v\u00fdv\u011bvy<\/h3>\n
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Vyva\u017eovac\u00ed stojan pro vysokorychlostn\u00ed rotory vakuov\u00fdch \u010derpadel<\/h1>\n

\u00davod<\/h2>\n

Vyva\u017eov\u00e1n\u00ed vysokorychlostn\u00edch rotor\u016f ve vakuov\u00fdch \u010derpadlech vy\u017eaduje specializovan\u00e9 za\u0159\u00edzen\u00ed schopn\u00e9 udr\u017eet p\u0159esnost v extr\u00e9mn\u00edch provozn\u00edch podm\u00ednk\u00e1ch. K napln\u011bn\u00ed t\u011bchto po\u017eadavk\u016f byly v letech 2002 a 2009 vyvinuty specializovan\u00e9 vyva\u017eovac\u00ed stojany. Tyto syst\u00e9my jsou ur\u010deny pro dynamick\u00e9 vyva\u017eov\u00e1n\u00ed sestaven\u00fdch turb\u00ednov\u00fdch rotor\u016f p\u0159i skute\u010dn\u00fdch provozn\u00edch ot\u00e1\u010dk\u00e1ch 42,000 a\u017e 60,000 rpm p\u0159\u00edmo v jejich vlastn\u00edch lo\u017eiskov\u00fdch podpor\u00e1ch. C\u00edlem konstrukce bylo dos\u00e1hnout hodnot zbytkov\u00e9 nevyv\u00e1\u017eenosti v souladu s p\u0159esnost\u00ed t\u0159\u00eddy 1 podle GOST 22061-76, sov\u011btsk\u00e9 normy kvality vyv\u00e1\u017een\u00ed (jej\u00edm modern\u00edm mezin\u00e1rodn\u00edm prot\u011bj\u0161kem je ISO 21940-11, d\u0159\u00edve ISO 1940-1).<\/p>\n

Konstruk\u010dn\u00ed n\u00e1vrh a konfigurace<\/h2>\n

Obr\u00e1zek 1 zn\u00e1zor\u0148uje schematick\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed vysokorychlostn\u00edho vyva\u017eovac\u00edho stojanu pou\u017e\u00edvan\u00e9ho pro rotory vakuov\u00fdch \u010derpadel.<\/p>\n

Obr\u00e1zek 1 \u2013 Konstruk\u010dn\u00ed uspo\u0159\u00e1d\u00e1n\u00ed vyva\u017eovac\u00edho stojanu pro vysokorychlostn\u00ed vakuov\u00e9 \u010derpadlo:<\/strong>
1 \u2013 Pevn\u00e1 platforma
2 \u2013 V\u00e1lcov\u00e9 pru\u017einy izoluj\u00edc\u00ed vibrace
3 \u2013 V\u00e1lcov\u00e1 mont\u00e1\u017en\u00ed z\u00e1kladna
4 \u2013 Vyv\u00e1\u017een\u00e1 vakuov\u00e1 v\u00fdv\u011bva
5 \u2013 Ochrann\u00fd kryt
6 \u2013 Sn\u00edma\u010d f\u00e1zov\u00e9ho \u00fahlu
7 \u2013 Vibra\u010dn\u00ed senzor na krytu
8 \u2013 Vibra\u010dn\u00ed senzor na z\u00e1kladn\u011b
9 \u2013 M\u011b\u0159ic\u00ed a v\u00fdpo\u010detn\u00ed jednotka<\/p>\n

Stojan je postaven na obd\u00e9ln\u00edkov\u00e9 plo\u0161in\u011b (1), podep\u0159en\u00e9 \u010dty\u0159mi v\u00e1lcov\u00fdmi pru\u017einami (2), kter\u00e9 zaji\u0161\u0165uj\u00ed izolaci vibrac\u00ed. Plo\u0161ina je vyztu\u017eena pod\u00e9ln\u00fdmi a p\u0159\u00ed\u010dn\u00fdmi v\u00fdztuhami, \u010d\u00edm\u017e se dosahuje vysok\u00e9 tuhosti a z\u00e1rove\u0148 minimalizuje hmotnost. Toto konstruk\u010dn\u00ed \u0159e\u0161en\u00ed zaji\u0161\u0165uje vysokou citlivost na s\u00edly nevyv\u00e1\u017eenosti a zabra\u0148uje rezonan\u010dn\u00edm kmit\u016fm v cel\u00e9m rozsahu ot\u00e1\u010dek \u010derpadla b\u011bhem vyva\u017eov\u00e1n\u00ed.<\/p>\n

Mont\u00e1\u017en\u00ed z\u00e1kladna (3) je pevn\u011b p\u0159ipevn\u011bna k plo\u0161in\u011b a slou\u017e\u00ed k p\u0159esn\u00e9mu um\u00edst\u011bn\u00ed \u010derpadla (4). \u010cerpadlo je uzav\u0159eno ve speci\u00e1ln\u00edm krytu (5), ve kter\u00e9m je tak\u00e9 um\u00edst\u011bn sn\u00edma\u010d f\u00e1zov\u00e9ho \u00fahlu (6). Na krytu a z\u00e1kladn\u011b jsou namontov\u00e1ny dva sn\u00edma\u010de vibrac\u00ed (7 a 8). V\u0161echny sn\u00edma\u010de jsou p\u0159ipojeny k m\u011b\u0159ic\u00ed a v\u00fdpo\u010detn\u00ed jednotce (9), kter\u00e1 prov\u00e1d\u00ed anal\u00fdzu v re\u00e1ln\u00e9m \u010dase a vypo\u010d\u00edt\u00e1v\u00e1 korek\u010dn\u00ed z\u00e1va\u017e\u00ed.<\/p>\n

Postup vyva\u017eov\u00e1n\u00ed<\/h2>\n

Vyva\u017eov\u00e1n\u00ed se prov\u00e1d\u00ed ve dvou postupn\u00fdch f\u00e1z\u00edch, aby byla zaji\u0161t\u011bna p\u0159esnost za podm\u00ednek tuh\u00e9ho i pru\u017en\u00e9ho rotoru.<\/p>\n

F\u00e1ze 1 \u2013 Vyva\u017eov\u00e1n\u00ed tuh\u00e9ho rotoru<\/h3>\n

V po\u010d\u00e1te\u010dn\u00ed f\u00e1zi se rotor \u010derpadla vyva\u017euje p\u0159i ot\u00e1\u010dk\u00e1ch do 8,000 rpm, kdy se chov\u00e1 jako tuh\u00e9 t\u011bleso. C\u00edlem je zde kompenzovat jak statickou, tak momentovou nevyv\u00e1\u017eenost. P\u0159i zkou\u0161k\u00e1ch na tomto vibra\u010dn\u011b izolovan\u00e9m stojanu syst\u00e9m dosahuje zbytkov\u00fdch \u00farovn\u00ed vibrac\u00ed pod 0.01 mm\/s RMS ve frekven\u010dn\u00edm rozsahu 3,500\u20138,000 rpm. Tento mimo\u0159\u00e1dn\u011b n\u00edzk\u00fd \u00fadaj je v\u00fdsledkem stojanov\u00e9 zkou\u0161ky z\u00edskan\u00fdm za \u0159\u00edzen\u00fdch podm\u00ednek, nikoli typickou hodnotou ter\u00e9nn\u00edho m\u011b\u0159en\u00ed.<\/p>\n

F\u00e1ze 2 \u2013 Vyva\u017eov\u00e1n\u00ed pru\u017en\u00e9ho rotoru za vysok\u00fdch ot\u00e1\u010dek<\/h3>\n

Ve druh\u00e9 f\u00e1zi se prov\u00e1d\u00ed vyv\u00e1\u017een\u00ed p\u0159i provozn\u00edch ot\u00e1\u010dk\u00e1ch rotoru \u2013 bu\u010f 42 000 nebo 60 000 ot\/min, v z\u00e1vislosti na modelu \u010derpadla. P\u0159i t\u011bchto ot\u00e1\u010dk\u00e1ch rotor p\u0159ech\u00e1z\u00ed do pru\u017en\u00e9ho stavu a deformuje se, co\u017e vede k dal\u0161\u00ed dynamick\u00e9 nevyv\u00e1\u017eenosti. Pro minimalizaci t\u011bchto \u00fa\u010dink\u016f se vypo\u010d\u00edt\u00e1 a aplikuje fin\u00e1ln\u00ed korekce. Zbytkov\u00e1 hladina vibrac\u00ed po vysokorychlostn\u00edm vyv\u00e1\u017een\u00ed nep\u0159esahuje 0,3 mm\/s RMS, co\u017e zaji\u0161\u0165uje dlouhodob\u011b stabiln\u00ed provoz \u010derpadla.<\/p>\n

V\u00fdkonnostn\u00ed charakteristiky<\/h2>\n
    \n
  • \n

    Zbytkov\u00e9 vibrace (tuh\u00fd stupe\u0148):<\/strong> \u2264 0.01 mm\/s (3,500\u20138,000 rpm, v\u00fdsledek stojanov\u00e9 zkou\u0161ky)<\/p>\n<\/li>\n

  • \n

    Zbytkov\u00e9 vibrace (flexibiln\u00ed stupe\u0148):<\/strong> \u2264 0,3 mm\/s (42 000\u201360 000 ot.\/min)<\/p>\n<\/li>\n

  • \n

    Celkov\u00e1 doba cyklu pro vyva\u017eov\u00e1n\u00ed:<\/strong> Obvykle m\u00e9n\u011b ne\u017e 30 minut<\/p>\n<\/li>\n<\/ul>\n

    Z\u00e1v\u011br<\/h2>\n

    Vysokorychlostn\u00ed vyva\u017eovac\u00ed stolice pro rotory vakuov\u00fdch \u010derpadel kombinuje konstruk\u010dn\u00ed tuhost, p\u0159esn\u00e9 m\u011b\u0159en\u00ed a pokro\u010dil\u00e9 v\u00fdpo\u010dty. Umo\u017e\u0148uje p\u0159esn\u00e9 vyv\u00e1\u017een\u00ed za re\u00e1ln\u00fdch provozn\u00edch podm\u00ednek a kompenzuje statick\u00e9 i dynamick\u00e9 nevyv\u00e1\u017een\u00ed. \u0158e\u0161en\u00ed spl\u0148uje p\u0159\u00edsn\u00e9 normy pro vibrace a v\u00fdrazn\u011b zlep\u0161uje spolehlivost a \u017eivotnost vysokorychlostn\u00edch syst\u00e9m\u016f vakuov\u00fdch \u010derpadel.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    High-Speed Rotor Balancing Stand for Vacuum Pumps Introduction Balancing of high-speed rotors in vacuum pumps requires specialized equipment capable of maintaining accuracy under extreme operational conditions. To meet these requirements, dedicated balancing stands were developed in 2002 and 2009. These systems are designed for dynamic balancing of assembled turbine rotors […]<\/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":[1,4,5],"tags":[51],"class_list":["post-1114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","category-example","category-solutions","tag-vacuum-pumps-balancing-stand"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/1114","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=1114"}],"version-history":[{"count":0,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/posts\/1114\/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=1114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/categories?post=1114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/cs\/wp-json\/wp\/v2\/tags?post=1114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}