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1、液压相关概念WhatisthediffereneebetweenahydraulicpumpandatestpumpThehydraulicpumpisanenginethatconvertsmechanicalenergyintohydraulicenergy,andthetestpressurepumpisthesizeoftestpressuretoadjustthef1owrateWhatisthehydraulicshock?Whatisthecause?Inahydraulicsystem,thereisasharpincreaseinpressurewhentheoilc
2、ircuitisabruptlyshutdownorreplaced,aphenomenonknownashydraulicshock.Hydraulicimpactisthemainreasonofthedramaticchangeofhydraulicspeed,highspeedmovementinertiaforceofworkingpartsandsomehydrauliccomponentsreactionnotsensitiveenough・Whentheoilintheductsatacertainspeedmovement,ifinasuddenrapidtrunca
3、tionoilflowchannel(e.g.,closethevalve),thentheoilwillf1owfromanumericalvalueatsomemomentsuddenlydroppedtozero,thekineticenergyoftheoilf1owandnowwillturnintooilcansqueeze,sothatthepressurerisesharply,thehydraulicimpact・High-speedmovementoftheworkingpartsofinertialforcecanalsocausethepressureinthe
4、system,suchascylindercomponentstoreversing,reversingvalvequicklyshutdownoilcylinderoildischargepipeoftheoriginaloildischargenoIongeratthismoment,butthepistoncausedbyinertiaeffectisstillinthemovementtothepressureimpactpressurerisingsharply.Inthehydraulicsystem,becausesomehydraulicelementsarenotse
5、nsitive,suchasnotopeningtheoilwayinatimelymanner,itcanalsocausearapidincreaseinpressureInthecaseofvacuumAvacuumgeneratoristheheartofanyvacuumsystem・Dependingontheapplicationandthevacuumrequired,avacuumblower,vacuumpumporvacuumgeneratorcanbechosentoproduceavacuum・Ifyouneedalargersuctionandalarger
6、vacuum,youneedavacuumblower・Ifthereisarequirementforvacuum,youwillhavetochoosevacuumpumpsorvacuumgenerators・Ifyouneedtoopenorcloseavacuumcircuitquickly,avacuumgeneratorisyouridealchoice・Becausevacuumgeneratorshavenomovingparts,vacuumgeneratorshaveastronglifespan.Howdoesthecheckvalvework?Thesucti
7、onplateispressedonanon-breathableobject,andtheballinsidethevalveremainsopen,allowingforavacuum・Thesuckerisnotpressedontheobject,orwhenitisremovedfromtheobjectduringthemovingprocess:theballispushedagainsttheballseatandkeepsth
