Kev siv tshuab ntau lawm
Cov txheej txheem tsim khoom ntawm mandrel bar muaj ob peb kauj ruam thiab meej.Thawj yog cov khoom melting, uas ua kom lub uniformity thiab purity ntawm cov tub ntxhais bar.Tom qab ntawd forging, los ntawm cov txheej txheem forging, cov nplej ntawm cov khoom yog refined, yog li txhim kho nws cov khoom siv thiab kev pab cuam lub neej.Lub forged mandrel xav tau kev kho cua sov, txheej txheem uas tshem tawm cov kev ntxhov siab sab hauv thiab ua rau kom muaj zog thiab hnav tsis kam ntawm mandrel.Tom qab ntawd, machining, nrog rau txoj siav, milling thiab lwm yam kev ua haujlwm, ua rau lub mandrel ua tau raws li cov qauv tsim kom raug.Cov kauj ruam kawg yog kev kho saum npoo, xws li quenching, tempering, thiab lwm yam, txhawm rau txhim kho corrosion kuj thiab deg hardness ntawm mandrel.
Scope ntawm daim ntawv thov thiab specifications
Mandrel bar yog siv dav hauv ntau hom dov mills, xws li MPM (multi-pass dov zeb), PQF (siab precision dov zeb) thiab FQM (ceev dov zeb).Nws ntau yam specifications, xws li Φ80 mm mus rau 500 mm nyob rau hauv lub cheeb, ntev los ntawm 2500 mm mus rau 17,500 mm, muaj peev xwm ua tau raws li cov kev xav tau ntau lawm.
Kev xaiv khoom
Cov khoom siv ntawm mandrel bar feem ntau yog AISI H13 lossis lub teb chaws tus qauv 4Cr5MoSiV1 thiab 36CrNiMoV6.Cov ntaub ntawv no muaj cov khoom kub zoo heev thiab lub zog txhua yam kom muaj kev ruaj ntseg hauv qhov kub thiab txias ib puag ncig.Cov khoom uas tsis yog xim hlau suav nrog hauv cov khoom siv mandrel yuav tsum tsis pub tshaj 1.0 qib A, B, C thiab D, thiab cov nplej loj yuav tsum ncav cuag 8 qib lossis siab dua.Cov khoom siv nruj nruj no ua kom zoo thiab kev ntseeg siab ntawm mandrel bar.
Cov cuab yeej cuab tam
Cov khoom siv kho tshuab pom zoo ntawm mandrel bar ntawm H13 cov khoom yog raws li hauv qab no: Rau mandrel nrog txoj kab uas hla ≤200 hli, lub zog tensile yog 1127-1274 mpa, lub zog tawm los yog ≥931MPa, elongation yog ≥8%, seem shrinkage yog ≥25%, qhov cuam tshuam ua haujlwm yog ≥20J, thiab hardness yog HB350-390;Rau mandrel nrog txoj kab uas hla> 200 hli, nws lub zog tensile yog 1078-1274 mpa, yield zog yog ≥882MPa, elongation yog ≥8%, seem shrinkage yog ≥25%, cuam tshuam ua hauj lwm yog ≥20J, hardness yog HB330-375.
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Post lub sij hawm: Jun-19-2024
