Dowel pins, tseem hu ua yooj yim li dowel pins, yog luv luv cylindrical qhov chaw uas txuas ob lossis ntau yam khoom. Lawv muab tso rau hauv qhov pre-txiav, yog li txuas cov khoom. Thaum tag nrho cov dowels yog tsim los rau kev sib txuas cov khoom, lawv tuaj nyob rau hauv ntau yam sib txawv. Nov yog tsib yam tseem ceeb uas yuav tsum tau xav txog thaum xaiv lub dowel.
#1) Cov ntaub ntawv
Thaum xaiv ib lub dowel, koj yuav tsum xav txog cov khoom siv. Ntoo dowels feem ntau yog siv rau hauv cov rooj tog zaum thiab kev siv ntoo, thaum hlau dowels feem ntau siv rau hauv tshuab thiab khoom siv. Koj tuaj yeem pom cov hlau dowels ua los ntawm stainless hlau, carbon steel, thiab hardened alloys.
#2) Dimensions
Dowels tuaj nyob rau hauv ntau yam sib txawv. Rau ib txheej ntawm dowels los txuas ob lossis ntau yam khoom, lawv yuav tsum yog qhov loj me. Yog tias lub dowel ntev dhau lawm, koj yuav tsis tuaj yeem ntxig nws mus rau hauv qhov khoom. Ntawm qhov tod tes, yog tias nws luv dhau, cov dowels yuav tsis tuaj yeem tuav cov khoom ua ke. Ntsuam xyuas cov khoom koj npaj yuav siv rau, thiab xaiv qhov loj me me dowels.
#3) Xov Hom
Xov hom yuav tsum tau txiav txim siab thaum xaiv ib lub dowel. Nrhiav tus pins tuaj yeem muaj cov xov zoo lossis ntxhib. Coarse threads txhais tau tias tsawg dua los yog pitches rau dowels. Hauv qhov sib piv, ib txoj xov zoo txhais tau hais tias lub dowel muaj ntau qhov chaw los yog qhov sib txawv. Hom xov twg koj yuav tsum xaiv? Nws yeej nyob ntawm daim ntawv thov. Yog tias koj siv lawv los txuas cov khoom nrog cov xov zoo, koj yuav tsum xaiv dowels nrog cov xov zoo. Rau cov khoom coarse-threaded, qhov sib txawv yog qhov tseeb, thiab koj yuav tsum xaiv coarse-xov dowels.
#4) Xov loj
Ntxiv nrog rau cov xov hom, kuj them sai sai rau qhov loj ntawm dowel xov. Nrhiav tus pins feem ntau yog tsim los nrog ib txoj xov me me. Ib txhia ntawm cov no muaj 1/16" threads, lwm tus muaj 3/32" threads. Raws li tau hais los saum toj no, cov xov ntawm dowel yuav tsum phim cov khoom koj xav siv nws rau.
#5) Customization
Thaum kawg, koj tuaj yeem xav txog kev hloov kho thaum xaiv dowel pins. Nrog customization, koj tsis txwv rau ib qho loj me me. Hloov chaw, koj tuaj yeem xaj ib txheej ntawm kev cai-qhov loj me dowel pins kom haum zoo. Tsis yog txhua daim ntawv thov yuav tsum tau siv cov kev cai loj dowels. Yog tias cov khoom muaj cov qauv thiab cov xov tsis sib xws, koj tuaj yeem siv cov txheej txheem dowels. Txawm li cas los xij, rau lwm daim ntawv thov, kev cai loj dowels yuav tsum tau.
