Ib tug dual lead worm thiab worm log yog ib hom iav uas siv rau kev xa hluav taws xob. Nws muaj ib tug cab, uas yog ib tug ntsia hlau-zoo li cylindrical tivthaiv nrog helical hniav, thiab ib tug cab log, uas yog ib tug iav nrog cov hniav uas mesh nrog cov cab.
Lo lus "dual lead" yog hais txog qhov tseeb tias tus cab muaj ob txheej ntawm cov hniav, los yog cov xov, uas qhwv ib ncig ntawm lub tog raj kheej ntawm qhov sib txawv. Qhov kev tsim no muab cov iav sib piv ntau dua piv rau cov kab hlau lead ib leeg, uas txhais tau hais tias lub log cab yuav tig ntau zaus rau ib lub kiv puag ncig ntawm tus cab.
Qhov kom zoo dua ntawm kev siv dual txhuas worm thiab cab log yog tias nws tuaj yeem ua tiav qhov sib piv loj loj hauv cov qauv tsim, ua rau nws muaj txiaj ntsig zoo hauv kev siv qhov chaw txwv. Nws kuj tseem yog qhov ntsuas tus kheej, txhais tau hais tias cov cab cab tuaj yeem tuav lub log cab nyob rau hauv qhov chaw yam tsis tas yuav tsum muaj lub nres lossis lwm yam kev kaw haujlwm.
Dual lead worm thiab cab log tshuab feem ntau yog siv rau hauv cov tshuab thiab cov khoom siv xws li cov tshuab conveyor, cov khoom nqa nqa, thiab cov cuab yeej siv tshuab.