Hauv kev txhim kho hauv tsev, kev xyaum ua haujlwm yog qhov yuav tsum tau ua. Muaj tej yam zoo li no uas koj tuaj yeem siv tau rau koj lub neej tag nrho yam tsis tau paub tias lawv hu ua dab tsi. Thiab yog tias koj tsis paub, qhov ntawd yuav nyuaj rau koj. Yog li, dab tsi yog qhov no me ntsis? Nws ua li cas?
Nyob rau hauv tsab xov xwm no, peb yuav mus dhau qhov workber laum khoom yog dab tsi thiab thaum twg yuav siv lawv. Vam tias, thaum kawg ntawm tsab xov xwm no, koj yuav paub ntau ntxiv txog cov hom me me no thiab paub seb lawv puas tsim nyog rau koj qhov project tom ntej.
Hauv kab ntawv no peb yuav npog:
Jobber Drill Bit yog dab tsi?
Ib qho kev xyaum ua haujlwm yog ib hom kev xyaum me me nrog tib qhov loj shank raws li tus qauv twist laum me ntsis nrog rau qhov ntev. Lawv feem ntau yog rau drilling qhov loj hauv ntoo thiab hlau. Yog li, koj tsis tas yuav yuav ntoo thiab hlau laum khoom cais yog tias koj muaj kev xyaum ua haujlwm hauv koj lub arsenal. Qhov ntev ntxiv tso cai rau lub zog torque ntau dua los ua kom nrawm nrawm dua li siv cov khoom luv luv.
Nws pab koj laum sai dua thiab tshem tawm cov shavings. Jobber laum khoom feem ntau muaj kauv flutes thiab yog ua los ntawm HSS steel. Hom laum no zoo heev rau kev drilling. Kev xyaum ua haujlwm yog pheej yig, ua rau lawv xaiv zoo tshaj plaws rau DIY enthusiasts thiab amateurs uas tsis xav siv nyiaj ntau rau cov cuab yeej lawv yuav tsis siv ntau.
Ib qho kev xyaum ua haujlwm yog ntev dua li qhov dav, uas tso cai rau lub cuab yeej kom muaj lub tshuab raj txuas ntxiv. Qhov ntev ntawm lub tshuab raj no tuaj yeem yog 8-12 lossis 9-14 lub sijhawm ntev dua nws qhov dav, nyob ntawm seb qhov xav tau rau qhov tshwj xeeb xyaum thiab qhov loj me.
Piv txwv li, yog tias koj siv 3/8 "txoj kab uas hla me me, lawv yuav muaj peev xwm txiav txog li 2 ko taw rau hauv cov pob zeb ua ntej tawg vim tias cov kev xyaum no yog 12 ntiv tes ntev tab sis tsuas yog 1 ntiv hauv qhov dav xwb. Whereas nrog ½ "txoj kab uas hla, lawv tsuas yog mus 6 ½ ntiv tes sib sib zog nqus ua ntej tawg tshwm sim vim lawv cov duab nqaim. Yog hais tias koj xav tau ib tug zoo thiab compact teeb, no Norseman Jobber Drill Bit pob yog ib qho kom tau txais: 
Vim li cas thiaj hu ua Jobber Drill Bit?
Yog tias koj tham txog kev xyaum ua haujlwm, koj txhais li cas los ntawm "kev ua haujlwm"? Lub laum me ntsis ntev yog qhov nws hais txog.
Nyob rau hauv ancient sij hawm, laum khoom tsis tuaj ntau qhov ntau thiab tsawg li lawv ua niaj hnub no. Cov khoom siv laum tau ntau dua thiab txhais tau tias siv rau ntau yam. "Cov khoom ua haujlwm ntev" yog qhov peb hu ua lawv. Txoj hauj lwm-ntev tau dhau los ua txhua lub hom phiaj tsis ntev tom qab ntawd.
Jobber Drill Bit Measurement
Cov neeg ua haujlwm muaj nyob rau hauv ntau yam ntaub ntawv, chaw tsim khoom, thiab ntau thiab tsawg. Peb tuaj yeem ntsuas lawv siv plaub nqe lus. Raws li muaj ntau tshaj li ib txoj hauv kev los piav txog qhov dav lossis "inch" ntawm Jobber khoom, tej zaum koj yuav xav tsis thoob tias txhua lo lus luv luv txhais li cas.
Fractional Loj: fractional hais txog ntiv tes raws li ntsuas los ntawm millimeters.
Tsab ntawv Loj: tsab ntawv ntsuas qhov loj me nrog cov feem xws li 1/16ths ntawm ib nti.
Wire Gauge Sizes: cov no pib ntawm 1 thiab nce tag nrho cov lej.
Metric Loj: metric units ntsuas qhov loj me siv centimeters.
Lawv tsis tuaj yeem hloov pauv tau vim tias lawv qhov ntsuas sib txawv nyob ntawm lub teb chaws tus qauv lawv tau ua rau.
Dab tsi ua rau Jobber Drill Bit txawv ntawm Mechanics Drill Bits
Laum khoom tuaj nyob rau hauv txhua daim duab thiab qhov ntau thiab tsawg, txhua tus nrog nws cov txiaj ntsig.
Jobber laum khoom muaj cov ncej ntev dua piv rau lawv txoj kab uas hla. Tias yog vim li cas lawv zoo meej rau ntoo thiab hlau sib xyaw drilling. Qhov teeb meem nkaus xwb yog tias lawv tsis tuaj yeem siv rau ntawm cov hlau nyuaj, vim tias qhov tsis muaj ntim hauv hom tho me me no yuav ua rau nws tawg.
Txij li thaum lawv nyob ntev dua, lawv khoov yooj yim dua hauv qhov chaw nruj xws li qhov thiab tsis txhob cuam tshuam los ntawm cov khoom tsim los ntawm sab.
Mechanics 'drill bits yog qhov zoo dua yog tias koj xav tau kev tswj xyuas ntau dua qhov koj xyaum. Ib tug kws kho tsheb laum me ntsis muaj ib tug luv luv tag nrho ntev, ntxiv rau ib tug luv luv flute (shaft) tsim rau nruj qhov chaw uas ib tug loj yuav tsis haum zoo vim hais tias nws yog ntev-ntev.
Cov khoom luv luv yuav tsis tshua tawg thaum siv cov khoom tawv zoo li cov hlau tawv, ua tsaug rau lawv lub peev xwm los tiv thaiv qhov nro.
Thaum Yuav Siv Lub Tshuab Drill Bit
Cov cuab yeej ua haujlwm tsuas yog rau cov neeg uas tsis xav yuav ntau yam sib txawv ntawm cov laum khoom. Koj tuaj yeem ua qhov hauv ntau cov ntaub ntawv, txawm tias koj tab tom drilling ntoo lossis hlau nrog txoj cai me ntsis.
Paub tias cov kev xyaum ua li cas thiab vim li cas lawv muaj, peb yuav tsum siv lawv? Kev siv cov haujlwm no yuav ua rau koj cov haujlwm niaj hnub nthuav ntau dua li koj tau siv ncaj-txiav qhov saws.
Txij li cov qauv no muaj ntau qhov kev txiav, nws tuaj yeem tho ob peb lub diameters ib zaug, yog li muaj kev ua haujlwm tsawg dua nyob rau tom qab kawg. Cov cuab yeej no yuav tsis yog qhov yuav zoo tshwj tsis yog tias koj nyuam qhuav nkag mus rau hauv DIY lossis tsuas yog xav tau qee yam yooj yim xws li cov cuab yeej laum.
Cov khoom siv ua haujlwm yog tsim los rau cov qhov tob tob, yog li xaiv lawv yog tias koj ua nws ntau. Tab sis koj yuav tsum paub tias cov khoom ua haujlwm muaj feem yuav khoov lossis tawg dua li cov kws kho tsheb laum khoom. Yog tias qhov no yog qee yam koj txhawj xeeb, nws yuav yog qhov zoo tshaj plaws mus nrog qhov kev xaiv luv.
kawg lus
Leej twg paub qee yam yooj yim li lub laum me ntsis tuaj yeem siv ntau yam sib txawv? Lawv yog cov zoo meej multi-siv me ntsis. Jobber bits yog qhov zoo tagnrho rau kev drilling txawm tias qhov tob dua li lwm cov khoom. Koj tuaj yeem siv lawv rau lwm yam haujlwm xws li txiav. Yog tias qhov tob tob yog ib feem ntawm koj txoj haujlwm niaj hnub, ces cov no yog qhov kev xaiv ntse.
Cov kev xyaum ua haujlwm ntev no tseem tuaj yeem siv los ua cov qhov pilot thiab tsav cov ntsia hlau ib yam nkaus. Tej zaum koj yuav tsis nyiam nws yog tias koj yog DIYer uas tsis xav kom lawv cov khoom los snap lossis khoov rau lawv qhov project tom ntej. Tseem, muab nws sim; koj yuav xav tsis thoob txog qhov nws ua tau npaum li cas.
Kuv yog Joost Nusselder, tus tsim ntawm Tools Doctor, cov ntsiab lus lag luam, thiab txiv. Kuv nyiam sim cov cuab yeej tshiab, thiab ua ke nrog kuv pab neeg kuv tau tsim cov ntawv blog tob txij li xyoo 2016 los pab cov neeg nyeem siab ncaj nrog cov cuab yeej & cov lus qhia ua khoom siv.
