Dab tsi yog dowel pins?
Yog tias koj puas tau mus yuav khoom ntawm IKEA lossis cov rooj tog zaum sib sau ua ke koj tus kheej, koj paub txog cov peg-shaped unthreaded ntoo dowels, tseem hu ua dowels, siv los txuas cov khoom ua ke.
Rau kev tsim khoom, dowel pins yog khoom, headless cylindrical ncaj hlau pins nrog ib tug centerless tiav. Feem ntau hardened thiab manufactured kom meej fractional diameters thiab lengths, dowel pins tuaj nyob rau hauv ntau qhov ntau thiab tsawg, style, designs thiab cov ntaub ntawv, ua rau buyer, engineer thiab kawg neeg tsis meej pem! Niaj hnub no, peb mam li sim ua kom yooj yim rau pawg tsis meej pem ntawm fasteners.
Leej twg siv dowel pins?
Dowels yog siv los ua hinges, shafts los yog pivots rau txoj hauj lwm los yog kev ruaj ntseg qhov chaw nyob rau hauv precision assemblies los yog fixtures.
Lawv yog siv nyob rau hauv ntau yam kev siv nyob rau hauv ntau industries, xws li: aerospace, hluav taws xob, hydraulics, instrumentation, cuab yeej thiab fixtures, machinery, tub rog, thiab lwm yam.
Dowel pins yog nrov nyob rau hauv cov rooj sib txoos vim hais tias lawv tuaj yeem tiv taus ntau zaus thiab tshem tawm yam tsis muaj deforming. Kev tsim khoom nyiam cov pins vim tias lawv yuav tsum tsis muaj cov khoom siv txuas ntxiv kom ntxig, tsis muaj kev ua haujlwm thib ob, thiab tsis muaj qhov sib txuas. Tag nrho cov no ntxiv rau kev ua kom nrawm, uas ua rau txhua tus hauv cov khoom noj khoom haus zoo siab!
Kuv yuav tsum xav txog dab tsi thaum xaiv dowel pins?
Txawm hais tias dowel pins muaj ntau yam khoom siv thiab cov qauv, muaj ntau yam teeb meem loj los xav txog thaum nws los txog rau kev lag luam loj thiab cov khoom lag luam mil-spec.
Txheem, loj loj lossis ntxiv me me?
Standard series nrhiav pins yog siv rau thawj daim ntawv thov. Lawv lub hauv paus txoj kab uas hla yog {{0}}.0002" siab tshaj qhov nominal txoj kab uas hla. Piv txwv li, ib tug 1/4 tus qauv pin muaj ib txoj kab uas hla ntawm 0.2501-.2503.
Oversized series dowel pins feem ntau yog siv los nruab rau hauv qhov hnav thiab feem ntau siv rau kev kho tom qab muag. Lawv lub hauv paus txoj kab uas hla yog {{0}}.001 ntiv siab siab tshaj qhov nominal txoj kab uas hla. Piv txwv li, tus pin 1/4 oversized muaj ib txoj kab uas hla ntawm 0.2509-.2511.
Undersized series nrhiav tus pins yog siv rau qhov tsis sib xws. Lawv lub hauv paus txoj kab uas hla yog -0.0002 ntiv tes hauv qab nominal txoj kab uas hla. Piv txwv li, tus pin 1/4 undersized muaj txoj kab uas hla ntawm 0.2500-.2498. Mil-P-21143/2- yog nyob rau hauv qeb undersized.
Chamfer los yog vojvoog ntawm qhov kawg?
Feem ntau, cov pins coj mus muag yog tsim los rau imperial tus qauv ANSI ASME B18.8.2. Standard alloy pins muaj ib lub vojvoog ntawm ib kawg thiab ib tug chamfer rau lwm yam. Txawm li cas los xij, stainless hlau dowels feem ntau yog chamfered ntawm ob qho kawg.
Kev lag luam lossis tub rog?
Yog tias koj lossis koj cov neeg siv khoom xav tau DFAR pins hauv tsev kom ua tau raws li cov qauv nruj tshaj plaws, cov tub rog pins yuav yog txoj hauv kev mus!
Alloy lossis stainless hlau? Qhov twg stainless hlau?
Alloy steel yog tus pin muaj zog tshaj plaws thiab yog hardened. Nws tuaj yeem ua tiav nrog cov oxide dub kom muaj kev xeb ntau dua li cov hlau sib xyaw.
Hom 416 stainless hlau yog cov khoom siv zoo tshaj plaws stainless hlau thiab yog cov khoom siv hauv MS16555 thiab MS16556 series. Sib nqus.
Hom 18-8/303 stainless hlau yog feem ntau siv stainless hlau thiab yog cov khoom txheem rau Mil-P-21143 series.
Hom 316 stainless hlau yog feem ntau corrosion-resistant stainless hlau thiab tsis txuam nrog mil-spec qhov chaw.
Puas muaj lwm yam los xav txog?
Pins feem ntau pom nyob rau hauv lawv tus lej mil-spec thiab tuaj yeem hla nrog cov khoom lag luam sib npaug. Qee hom Mil-spec series siv rau dowel pins suav nrog Mil-P-21143 (303 stainless hlau), MS16555 (tus qauv series rau alloy thiab 416 stainless hlau), thiab MS16556 (oversized series rau alloy thiab 416 stainless hlau).
Yog tias koj tsis xaj los ntawm MS lossis NAS mil-spec tus lej, cov lus Askiv teev pins ua raws li ANSI/ASME B18.8.2. Rau kev lag luam pins, saib xyuas kom qhia cov khoom siv thiab qhov ntev ntev uas koj xav tau. Tshwj tsis yog tias tau teev tseg, dowel pins yog qhov tseeb hauv av, hardened thiab kub kho kom zoo Rockwell hardness.
Nco ntsoov, tsis muaj rauj! Thaum txhim kho lub dowel, tsis txhob yuam tus pin rau hauv lub qhov, ib txwm nias rau hauv kom tau txais txiaj ntsig zoo tshaj plaws.