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[Natančnost Qianye]Fizična zasnova in povratna sila vzmeti s konstantno silo

vir:Natančnost Qianye čas:2022-9-15
 Pri večini vrst vzmeti, ko je vzmet stisnjena in nato sproščena, je uporabljena sila sorazmerna razdalji, na kateri je vzmet raztegnjena. Za razliko od običajnih vzmeti, vzmeti s konstantno silo ne upoštevajo tega pravila. Zaradi fizične zasnove vzmeti s konstantno silo ostane njena povratna sila konstantna. zato vzmeti s konstantno silo so uporabni v številnih aplikacijah, ki zahtevajo dosleden odboj.

    Obnašanje navadnih vzmeti je mogoče opisati z matematično enačbo, imenovano Hookov zakon. Zakon poudarja, da je sila povratne vzmeti v smeri odboja enaka razdalji med odmikom vzmeti in ravnotežno točko. Z drugimi besedami, koliko je vzmet podaljšana in pomnoženo z matematično konstanto, to je togostjo vzmeti. Vzmet se vrne v smeri, nasprotni smeri raztezanja. Ker veliko elastičnih materialov deluje na ta način, ima Hookov zakon široko paleto aplikacij na področju fizike.

   Hookov zakon ne velja za vzmeti s konstantno silo ker njihova povratna sila ostaja konstantna v celotnem obsegu gibanja. To je doseženo z edinstveno fizično zasnovo, ki je sestavljena iz tankega in kodrastega jeklenega traku. The vzmet s konstantno silo je v sproščenem stanju, ko je popolnoma zvit, in je obremenjen, ko je delno ali v celoti razgrnjen. Po sprostitvi se vzmet odbije tako, da podaljšani karbonski pas potegne nazaj v tesno tuljavo. Ker povratna sila večinoma izvira iz dela, ki je najbližje navijalnemu valju, je mogoče ohraniti konstantno silo.

  Običajne uporabe vzmeti s konstantno silo lahko opazimo pri merilnih trakih, ki se uporabljajo v domačih aplikacijah in zgradbah. Tipičen mehanizem za merjenje traku je sestavljen iz tankega kovinskega traku, navitega okoli notranjega valja znotraj plastičnega ohišja. Ko je merilni trak izvlečen in zaklenjen, bo vzmet obremenjena. Ko se ključavnica sprosti, se trak samodejno umakne v plastično škatlo. Umik se izvede zaradi odboja zvitka, ki se uporablja kot a vzmet s konstantno silo.

    Uporabljajo se tudi številne druge naprave s samodejnim umikom vzmeti s konstantno silo. Nekateri primeri vključujejo avtomobilske varnostne pasove, protiuteži za okna, naslone sedežev in spenjače. V vseh teh aplikacijah mora biti sila, ki jo ustvarja oprema, dosledna in se obnašati enako vsakič, ko delate v majhnem prostoru. Vzmeti s konstantno silo lahko hkrati izpolnjujejo ta dva pogoja, ker lahko izvajajo konstantno silo in se lahko tesno navijejo.

   Qianye natančnost je proizvajalec, specializiran za zagotavljanje visoko preciznih vzmeti. Podjetje združuje raziskave in razvoj izdelkov, proizvodnjo, prodajo in storitve ter ima vse vrste kvalificiranega in izkušenega inženirskega in vodstvenega osebja. Iskreno dobrodošli novim in starim strankam ter prijateljem iz vseh družbenih slojev, da obiščejo podjetje in se pogajajo o poslovnem sodelovanju. Natančnost Qianye vam bo služila z vsem srcem!

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