Nws yog exhausting rau ntsia hlau screws thiab screws nrog ib tug screwdriver, vim hais tias lub niaj hnub ua lag luam muaj tam sim no ib tug lwm hloov - ib tug screwdriver .
Yuav xaiv tam sim no ib lub cuab tam tam sim no tsis yog ib qho teeb meem tam sim no - yuav muaj nyiaj txaus. Tab sis thaum nws tuaj mus muas, ces ib tug neeg tau yooj yim ua tsis meej pem ntawm abundance thiab ntau yam ntawm cov qauv.
Tsis yog txhua leej txhua tus paub yuav ua li cas xaiv cov roj teeb lub taub hau, thiab yog li ntawd nws yog qhov zoo dua rau kev pab rau ib tus neeg paub los yog kawm qhov teeb meem no koj tus kheej ua ntej mus xyuas lub khw tshwj xeeb.
Lub tuam txhab twg xaiv tus cordless screwdriver?
Cov niaj hnub tuam txhab muaj kev xaiv zoo heev ntawm lawv cov khoom. Ntawm no yog cov hom nrov tshaj plaws:
- Bosch;
- AEG;
- Makita;
- Hitachi.
Kev qhia
Ntawm chav kawm, qhov tseem ceeb tshaj plaws nyob rau hauv xaiv ib qho cuab yeej thiab khoom siv yog kom paub seb dab tsi khoom ib qho khoom muaj. Ua ntej xaiv cov roj teeb ntswj taub hau uas tsim nyog rau koj nws yog qhov yuav tsum tau paub txog koj tus kheej nrog nws cov yam ntxwv ntawm kev ua haujlwm:
- Roj teeb hluav taws xob . Lub plawv ntawm cov khoom siv no yog lub roj teeb. Nws nyob ntawm nws lub peev xwm thiab ntev npaum li cas cov haujlwm yuav kav. Lub roj teeb uas qis tshaj, ntawm 1.5A yuav ua hauj lwm rau tsawg kawg ib teev, thiab yog tias koj yuav yuav ntau dua, ces txoj haujlwm yuav tuaj yeem siv tsis tau. Nws yog ib qho tseem ceeb thaum lub tshuab thib ob yog siv nyob rau hauv lub tshuab ntaus ntswj, uas yog siv thaum lub sij hawm rov qab ntawm thawj tus. Nws yog ib qho tseem ceeb heev rau kev ua haujlwm ntev thiab tsis muaj teeb meem rau tag nrho tawm mus thiab them lub roj teeb. Yog tias koj ua qhov no, ces tsis ntev tom qab ntawd nws yuav dhau los ua tsis tau, thiab nrog nws ib lub tshuab ntaus ntsaws. Tus roj teeb nickel-cadmium nqi tsawg dua, tab sis nws tsawg dua rau cov roj teeb lithium-ion, raws li nws cov ntaub ntawv. Li ntawd, tus xaiv yog rau tus yuav, leej twg xav kom txuag tau nyiaj los yog yuav ib lub cuab tam ntev.
- Qhov hnyav ntawm qhov ntsuas thiab nws cov ergonomics . Raws li txoj cai, koj tuaj yeem xaiv qaum tsis muaj laum-laum ntswj raws li qhov hnyav. Yog li, ib lub teeb kilogram yuav yooj yim rau cov hauj lwm me me thiab yuav haum rau tus poj niam txhais tes. Tab sis tau hais tias qhov loj qhov hnyav ntawm lub roj teeb xwb, lub peev xwm yuav tsis zoo rau siab. Qhov yoojyim tshaj plaws yog lub plhom ib-thiab-ib-nrab-kilov nrog ib tus nplhaib uas tsis yog khauj khaum. Yeej, xws li cov cuab yeej ua los ntawm yas, thiab rau qhov yooj yim ntawm ntes roj hmab los yog tsim, lawv yuav tsum tsis nco qab.
- Lub sijhawm twisting . Kev ceev ntawm kev sib hloov ntawm lub taub hau taub hau yog ib qho tseem ceeb tshaj plaws. Yog tias koj xav xaiv ib lub cuab yeej zoo siv ntau lub cuab tam, ces yuav tsum muaj tsawg kawg yog ob lub nce. Ib ntawm lawv, qhov tsawg tshaj plaws (li 480 rpm), yog tsim rau cov phab ntsa lossis cov phom sij. Qhov thib ob (txog 1500 rpm) haum rau cov ntaub ntawv nyuaj, xws li tawv ntoo lossis hlau. Nws yog ib qho tseem ceeb uas lub tshuab selector ceev yog nyob rau hauv ib qho chaw ntiv tes - qhov khawm feem ntau nyob rau saum toj ntawm rooj plaub thiab pom tseeb. Ib qho tseem ceeb thiab tus mob stroke ntawm tus yuam sij, uas koj tuaj yeem nce lossis txo qhov kev ceev ntawm kev xyaum.
- Qhov siab tshaj plaws lub cheeb . Qhov loj ntawm lub kab yuav ua tau
ib qho siv laum, ntau ntau txoj hauj lwm yuav ua tiav nrog tus txha nqaj hlau no. - Tiav ntawm kev xa . Lub sij hawm qab ntxiag nyob rau hauv yuav khoom yuav muaj cov roj teeb ntxiv, ib qho yooj yim ergonomic cov ntaub ntawv cia thiab ib txheej kev xyaum thiab khoom. Tom qab tag nrho, yuav kom qhov khoom siv no ntev ntev, nws yuav tsum muab khaws cia, thiab hloov mus rau qhov chaw ua hauj lwm yuav tsum muaj kev nyab xeeb thiab muaj kev nyab xeeb.
- Ntxiv zog . Koj tuaj yeem nrhiav tau tus ntsia hlau, uas hu ua kev poob siab . Qhov no yog ib qho tseem ceeb pab tau rau qee cov hauj lwm, uas ua rau cov tshuab ntaus ntau.