{"id":1527,"date":"2025-09-03T14:36:16","date_gmt":"2025-09-03T06:36:16","guid":{"rendered":"https:\/\/www.tflequip.com\/?p=1527"},"modified":"2025-09-03T14:36:16","modified_gmt":"2025-09-03T06:36:16","slug":"causes-and-solutions-for-excessive-vibration-of-centrifugal-pumps","status":"publish","type":"post","link":"https:\/\/www.tflequip.com\/lv\/causes-and-solutions-for-excessive-vibration-of-centrifugal-pumps\/","title":{"rendered":"Centrb\u0113dzes s\u016bk\u0146u p\u0101rm\u0113r\u012bgas vibr\u0101cijas c\u0113lo\u0146i un risin\u0101jumi"},"content":{"rendered":"
Centrb\u0113dzes s\u016bk\u0146u p\u0101rm\u0113r\u012bgas vibr\u0101cijas c\u0113lo\u0146i un risin\u0101jumi:<\/div>\n

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    \n
  1. \n
    Fonda stiprin\u0101jums
    Ja rodas defekts, vispirms p\u0101rbaudiet, vai galven\u0101 dzin\u0113ja un centrb\u0113dzes s\u016bk\u0146a enkurskr\u016bves ir dro\u0161i piestiprin\u0101tas. Ja pamats ir nestabils, tas neizb\u0113gami izrais\u012bs s\u016bk\u0146a vibr\u0101ciju. Ja citi c\u0113lo\u0146i ir izsl\u0113gti, bet probl\u0113mu joproj\u0101m nav iesp\u0113jams atrisin\u0101t, j\u0101apsver ar\u012b, vai enkurpamatnes stipr\u012bba ir pietiekama. Da\u017ek\u0101rt konstrukcijas iemeslu d\u0113\u013c vibr\u0101ciju var izrais\u012bt ar\u012b sal\u012bdzino\u0161i m\u012bksts pamats.<\/div>\n<\/li>\n
  2. \n
    Centr\u0113\u0161anas regul\u0113\u0161ana
    Bie\u017ei sastopams vibr\u0101cijas c\u0113lonis ir ar\u012b nepareiza regul\u0113\u0161ana. Centram j\u0101b\u016bt noregul\u0113tam noteiktaj\u0101 diapazon\u0101, stingri iev\u0113rojot standartus.<\/div>\n<\/li>\n
  3. \n
    Gult\u0146u p\u0101rbaude
    Ja s\u016bk\u0146iem, kas izmanto sl\u012bdo\u0161os gult\u0146us, ja p\u0113c iepriek\u0161min\u0113tajiem darbiem vibr\u0101ciju joproj\u0101m nav iesp\u0113jams nov\u0113rst, j\u0101p\u0101rbauda gult\u0146u bukses kontakta st\u0101voklis. Norm\u0101l\u0101m gult\u0146u buks\u0113m apak\u0161\u0113jai buksei j\u0101b\u016bt ar vienm\u0113r\u012bg\u0101m kontakta z\u012bm\u0113m, kas galvenok\u0101rt izvietotas vid\u0113j\u0101 un apak\u0161\u0113j\u0101 da\u013c\u0101, un kontakta laukumam j\u0101b\u016bt liel\u0101kam par 75%. Aug\u0161\u0113jai buksei j\u0101b\u016bt atstarpei, parasti 0,1 - 0,15% no v\u0101rpstas diametra. Aug\u0161\u0113j\u0101s bukses bl\u012bvsl\u0113gam j\u0101b\u016bt ar 0,02 - 0,02 mm herm\u0113tiskumu uz aug\u0161\u0113j\u0101s bukses. Ja pras\u012bbas nav iesp\u0113jams izpild\u012bt, parasti probl\u0113mas risin\u0101\u0161anai izmanto t\u0101das metodes k\u0101 bl\u012bvju pievieno\u0161ana vai no\u0146em\u0161ana pie bukses ieejas un gult\u0146a bukses noskr\u0101p\u0113\u0161ana. S\u016bk\u0146iem, kuros izmanto rito\u0161os gult\u0146us, j\u0101m\u0113ra gult\u0146a bl\u012bvsl\u0113ga herm\u0113tiskums uz gult\u0146a \u0101r\u0113j\u0101 gredzena. Parasti j\u0101paredz aptuveni 0,20 mm izple\u0161an\u0101s sprauga, lai nov\u0113rstu gult\u0146a aksi\u0101l\u0101 sp\u0113ka iedarb\u012bbu, kad rotors karstuma apst\u0101k\u013cos izple\u0161as.<\/div>\n<\/li>\n
  4. \n
    Rotora centra st\u0101vok\u013ca regul\u0113\u0161ana
    S\u016bk\u0146a rotoram j\u0101b\u016bt koncentriskam ar statoru. Pret\u0113j\u0101 gad\u012bjum\u0101 s\u016bk\u0146a darb\u012bbas laik\u0101 rad\u012bsies dinamisk\u0101 un statisk\u0101 berze, kas izrais\u012bs vibr\u0101ciju. S\u016bk\u0146a rotora centra st\u0101vok\u013ca regul\u0113\u0161anu parasti var pan\u0101kt, regul\u0113jot s\u016bk\u0146a gult\u0146a radi\u0101lo st\u0101vokli. Lai veiktu ar gult\u0146u buks\u0113m balst\u012btu s\u016bk\u0146u centra regul\u0113\u0161anu, gult\u0146u bukses ab\u0101s s\u016bk\u0146a pus\u0113s j\u0101pace\u013c vienlaic\u012bgi, lai izpild\u012btu pras\u012bbas. Parasti pacel\u0161anas apjoms ir puse no bl\u012bv\u0113juma gredzena atstarpes, un tas pats attiecas uz ab\u0101m pus\u0113m. Horizont\u0101liem centrb\u0113dzes s\u016bk\u0146iem ar dal\u012btu korpusu, ja nepiecie\u0161ams, var atv\u0113rt s\u016bk\u0146a aug\u0161\u0113jo v\u0101ku, lai tie\u0161i izm\u0113r\u012btu spraugu pie bl\u012bv\u0113juma gredzena. P\u0113c regul\u0113\u0161anas atbilsto\u0161i pras\u012bb\u0101m izurbj caurumus starp gult\u0146a balstu un s\u016bk\u0146a korpusu, lai konfigur\u0113tu tapas, un p\u0113c tam atkal samont\u0113, lai sasniegtu prec\u012bzas regul\u0113\u0161anas m\u0113r\u0137i.<\/div>\n<\/li>\n
  5. \n
    V\u0101rpstas izliekuma, izlieces un galu buks\u0113\u0161anas m\u0113r\u012b\u0161ana un regul\u0113\u0161ana p\u0113c rotora da\u013c\u0113jas mont\u0101\u017eas
    Ja nav atrasts \u0101r\u0113js vibr\u0101cijas c\u0113lonis, s\u016bkni var tikai izjaukt. Vispirms izm\u0113riet un kori\u0123\u0113jiet v\u0101rpstas izliekumu. P\u0113c tam, kad ir apstiprin\u0101ts, ka probl\u0113mas nav, da\u013c\u0113ji samont\u0113jiet rotoru, izm\u0113riet kop\u0113jo g\u0101jienu un gala g\u0101jienu un kori\u0123\u0113jiet tos, ja tie p\u0101rsniedz standartu.<\/div>\n<\/li>\n
  6. \n
    Dinamisk\u0101 un statisk\u0101 l\u012bdzsvara noteik\u0161ana
    P\u0113c s\u016bk\u0146a izjauk\u0161anas, lai izvair\u012btos no vibr\u0101cijas s\u016bk\u0146a palai\u0161anas laik\u0101, katrai l\u0101psti\u0146rite\u0146a pak\u0101pei j\u0101veic statisk\u0101 l\u012bdzsvara tests. Ja apst\u0101k\u013ci to at\u013cauj, j\u0101veic ar\u012b dinamisk\u0101 l\u012bdzsvara tests. \u012apa\u0161i liela m\u0113roga daudzpak\u0101pju s\u016bk\u0146iem dinamisk\u0101 l\u012bdzsvara tests ir \u012bpa\u0161i svar\u012bgs.<\/div>\n<\/li>\n
  7. \n
    \u0100r\u0113jo apst\u0101k\u013cu ietekme uz s\u016bkni
    P\u0113c visu iesp\u0113jamo pa\u0161a s\u016bk\u0146a probl\u0113mu nov\u0113r\u0161anas, ja vibr\u0101cijas probl\u0113mu joproj\u0101m nav iesp\u0113jams atrisin\u0101t, j\u0101apsver ar\u012b \u0101r\u0113jo apst\u0101k\u013cu ietekme uz s\u016bkni. Piem\u0113ram: rezonanse, ko izraisa s\u016bk\u0146a pamatnes dabisk\u0101 frekvence, kas ir l\u012bdz\u012bga vibr\u0101cijas frekvencei, s\u016bk\u0146a vibr\u0101cija, ko izraisa galven\u0101 dzin\u0113ja atteice, un neparasta s\u016bk\u0146a vibr\u0101cija, ko izraisa piespiedu izl\u012bdzin\u0101\u0161ana savienojum\u0101 starp cauru\u013cvadu un s\u016bkni. Parasti probl\u0113mas risin\u0101\u0161anai var veikt attiec\u012bgus pas\u0101kumus.<\/div>\n<\/li>\n<\/ol>\n

    \"4\"<\/p>","protected":false},"excerpt":{"rendered":"

    Causes and solutions for excessive vibration of centrifugal pumps:   Foundation fasteningWhen a defect occurs, first check whether the anchor bolts of the prime mover and the centrifugal pump are securely fastened. If the foundation is unstable, it will inevitably cause the pump to vibrate. When other causes are ruled out but the problem still […]<\/p>","protected":false},"author":4,"featured_media":1463,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[36],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/posts\/1527"}],"collection":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/comments?post=1527"}],"version-history":[{"count":0,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/posts\/1527\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/media\/1463"}],"wp:attachment":[{"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/media?parent=1527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/categories?post=1527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tflequip.com\/lv\/wp-json\/wp\/v2\/tags?post=1527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}