extrusion pas nrig lossis extrusion ram hauv aluminium extrusion xovxwm tshuab Featured duab

extrusion pas nrig los yog extrusion ram nyob rau hauv aluminium extrusion xovxwm tshuab

Lub extrusion ram, tseem hu ua lub extrusion ncej, yog ib qho tseem ceeb tshaj plaws extrusion cuab yeej xa lub siab generated nyob rau hauv lub ntsiab lub tog raj kheej ntawm lub extruder mus rau lub billet nyob rau hauv lub extrusion cylinder, ua rau lub bille rau plastically deform thiab ntws tawm ntawm lub extrusion. tuag qhov los ua ib qho khoom extrusion.Yas deformation tshwm sim nyob rau hauv lub tog raj kheej siab, yog li nws yog nyob rau hauv lub siab zoo thaum extrusion.Thaum extruding cov yeeb nkab, yog tias tsim, xaiv thiab siv cov extrusion ram yog qhov tsis tsim nyog, nws yooj yim rau khoov thiab deform, uas dhau los ua ib qho laj thawj tseem ceeb rau eccentricity ntawm cov yeeb nkab.Tsis tas li ntawd, lub extrusion ram kuj tseem tuaj yeem tsim qhov kawg crushing, tawg thiab inclined slag fragmentation thaum ua haujlwm.

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Lub extrusion ram yog muab faib ua ob hom: hollow thiab khoom.Hollow extrusion rams yog siv nyob rau hauv raj thiab pas nrig extrusion tshuab.
Lub extrusion ram feem ntau yog cylindrical tag nrho cov qauv, uas tuaj yeem muab faib ua qhov kawg, ncej thiab cov hauv paus hniav.

Ntawm cov tonnage extruders loj, cov extrusion rams yog ua los ntawm cov seem sib txawv los ua kom cov longitudinal dabtsi yog khoov zog.Nyob rau lub sijhawm no, lub tog raj kheej extrusion yuav tsum muaj lub qhov sab hauv nrog qhov sib txawv ntawm qhov sib txawv.

Sab nraud txoj kab uas hla ntawm lub extrusion ram yog txiav txim raws li lub puab txoj kab uas hla ntawm lub extrusion cylinder.
Sab nraud txoj kab uas hla ntawm extrusion ram ntawm kab rov tav extruder feem ntau loj dua li ntawm extrusion ram.Sab hauv txoj kab uas hla ntawm lub tog raj kheej yog 4-10mm me dua.

Qhov ntev ntawm lub extrusion ram yog sib npaug rau qhov ntev ntawm lub extrusion ram txhawb ntxiv rau qhov ntev ntawm lub extrusion cylinder ntxiv rau 5 mus rau 10mm, txhawm rau thawb lub siab tshaj (saib extrusion residual khoom) thiab extrusion gasket tawm ntawm lub tog raj kheej extrusion.Cov khoom ntawm extrusion ram yog chrome-nickel-molybdenum thiab chrome-nickel-tungsten alloy.Lub cev extruded pas nrig yog ua los ntawm chromium-nickel-tungsten-vanadium alloy, thiab cov hauv paus hniav yog ua los ntawm chromium-nickel-molybdenum alloy.

Lub extrusion ram yog raug rau cov longitudinal dabtsi yog khoov kev nyuaj siab thiab compressive kev nyuaj siab thaum ua hauj lwm.Yog li ntawd, stability thiab
Lub zog ntawm extrusion ram yuav tsum tau kuaj xyuas thaum lub sij hawm extrusion.