Kev tsim ntawm Extrusion tuag rau Aluminium Profile

6 lub ntsiab lus tseem ceeb ntawm aluminium profile pwm tsim

1. Kev txheeb xyuas qhov loj ntawm aluminium extruded qhov chaw

Qhov loj thiab qhov sib txawv ntawm qhov extruded yog txiav txim siab los ntawm kev tuag, cov khoom siv extrusion thiab lwm yam txheej txheem cuam tshuam. Ntawm lawv, qhov kev hloov ntawm pwm loj muaj qhov cuam tshuam zoo, thiab cov laj thawj uas cuam tshuam rau kev hloov pwm loj yog: elastic deformation. ntawm cov pwm, qhov kub nce ntawm pwm, cov khoom ntawm pwm thiab kev tsim precision ntawm pwm thiab hnav ntawm pwm.

(1) xaiv qhov tonnage ntawm aluminium extruder

Qhov sib piv extrusion yog tus lej sawv cev ntawm qhov nyuaj ntawm pwm kom ua tiav extrusion.Feem ntau hais lus, tus extrusion piv ntawm 10-150 yog siv tau.Qhov sib piv extrusion yog qis dua 10, cov khoom siv kho tshuab ntawm cov khoom qis; Ntawm qhov tsis sib xws, qhov sib piv extrusion siab dhau lawm, cov khoom lag luam yog qhov yooj yim rau deg roughness lossis lub kaum sab xis. sib txawv thiab lwm yam tsis xws luag.Solid profiles feem ntau pom zoo extrusion piv nyob rau hauv txog 30, hollow profiles nyob rau hauv txog 45.

(2) Kev txiav txim siab ntawm sab nraud

Sab nraud qhov ntev ntawm qhov extrusion tuag yog hais txog txoj kab uas hla thiab thickness ntawm qhov tuag.Qhov qhov ntev ntawm cov pwm yog txiav txim los ntawm qhov loj, qhov hnyav thiab lub zog ntawm qhov profile seem.

2. Tsim nyog suav ntawm extrusion tuag loj

Thaum xam qhov tuag qhov luaj li cas, lub ntsiab kev txiav txim siab los ntawm extrusion ntawm aluminium alloy tshuaj muaj pes tsawg leeg, cov duab ntawm cov khoom, lub nominal dimension thiab kam rau ua, extrusion kub, thiab pwm cov ntaub ntawv thiab squeezed nyob rau hauv lub kub alloy, linear expansion coefficient ntawm cov khoom raws li cov yam ntxwv ntawm lub geometry ntawm hla ntu, thiab nws cov kev hloov thaum lub sij hawm stretching, yam xws li qhov loj ntawm extrusion siab thiab elastic deformation ntawm cov tuag.

Rau cov profiles nrog loj phab ntsa thickness sib txawv, nyias-walled qhov chaw thiab cov ntse-edged cheeb tsam uas yog nyuaj rau tsim yuav tsum tsim nyog loj hlob.

Rau qhov tuag qhov ntawm lub tiaj thiab nyias phab ntsa profiles thiab phab ntsa profiles nrog loj dav rau thickness piv, qhov luaj li cas ntawm cov trams tuaj yeem tsim raws li cov qauv dav dav, thiab qhov loj ntawm lub web thickness, ntxiv rau cov ntsiab lus teev nyob rau hauv formula, kuj yuav tsum tau xav txog lub elastic deformation, yas deformation, zuag qhia tag nrho dabtsi yog khoov, nyob deb ntawm qhov chaw ntawm lub extrusion lub tog raj kheej thiab lwm yam, ntxiv rau, extrusion ceev, traction ntaus ntawv thiab lwm yam kuj muaj ib tug tej yam kev cuam tshuam rau qhov luaj li cas ntawm lub qhov tuag. .

3. Tsim nyog hloov ntawm cov hlau ntws ceev

Qhov kev hloov kho qhov tsim nyog yog los xyuas kom meej tias txhua qhov ntawm cov khoom seem ntawm cov khoom yuav tsum ntws tawm ntawm qhov tuag ntawm tib qhov ceev raws li lub xeev zoo tagnrho.

Raws li qhov ua tau siv cov ntxeem tau sib xyaw ua ke, raws li cov duab ntawm qhov profile, qhov sib txawv ntawm phab ntsa thickness ntawm txhua qhov thiab qhov sib txawv ntawm qhov ncig thiab qhov kev ncua deb ntawm qhov nruab nrab ntawm lub tog raj kheej extrusion, qhov tsim ntawm qhov sib txawv ntawm qhov ntev sizing siv. . Feem ntau, lub thinner phab ntsa thickness ntawm ib seem, qhov loj qhov ncig, qhov ntau txoj kev zoo, qhov deb ntawm qhov nruab nrab ntawm lub tog raj kheej extrusion, qhov luv luv ntawm sizing siv ntawm no yuav tsum yog.

Thaum lub sizing siv tseem nyuaj rau tswj tus nqi ntws, cov duab yog tshwj xeeb tshaj yog complex, phab ntsa thickness yog heev nyias, nyob deb ntawm qhov nruab nrab ntawm ib feem yuav siv tau los txhawb lub ndlwg ntawm lub kaum sab xis los yog qhia lub khob hliav qab kom ceev cov hlau ntws. Ntawm qhov tsis sib xws, rau cov khoom uas muaj ntau cov phab ntsa tuab los yog ze rau qhov chaw ntawm lub tog raj kheej extrusion, ib qho kev thaiv lub kaum sab xis yuav tsum tau siv los ntxiv cov kev cuam tshuam kom qeeb tus nqi ntws ntawm no. Tsis tas li ntawd, cov txheej txheem sib npaug ntawm qhov txheej txheem. nyiaj pub dawb, los yog kev siv lub hauv ntej chamber tuag, phau ntawv qhia tuag, hloov tus naj npawb, qhov loj, cov duab thiab txoj hauj lwm ntawm lub qhov sib cais los kho cov hlau ntws.

4. Ua kom muaj zog pwm txaus

Vim tias qhov kev ua haujlwm ntawm kev tuag yog qhov phem heev thaum lub sijhawm extrusion, lub zog ntawm kev tuag yog ib qho teeb meem tseem ceeb hauv kev tuag tsim. Ntxiv nrog rau qhov tsim nyog ntawm qhov chaw ntawm qhov tuag, kev xaiv cov khoom tsim nyog tuag, tsim cov khoom tsim nyog tuag. cov qauv thiab cov duab, kev xam kom raug ntawm extrusion siab thiab xyuas qhov tso cai lub zog ntawm txhua seem txaus ntshai kuj tseem ceeb heev.

Tam sim no, muaj ntau cov qauv rau kev suav extrusion quab yuam, tab sis cov qauv hloov pauv ntawm Beerling tseem muaj tus nqi engineering.Cov txheej txheem ntawm kev txwv siab ntawm extrusion siab kuj muaj qhov zoo ntawm daim ntawv thov, thiab nws yooj yim rau xam extrusion siab los ntawm kev siv empirical coefficient. .

Raws li kev kuaj pwm lub zog, yuav tsum tau nqa tawm raws li cov khoom lag luam, pwm qauv, thiab lwm yam. General ca tuag tsuas yog yuav tsum tau kuaj xyuas lub zog shear thiab dabtsi yog khoov lub zog; Lub shear, khoov thiab compressive lub zog ntawm tus nplaig thiab planar split tuag yuav tsum tau kuaj xyuas, thiab lub zog tensile ntawm tus nplaig thiab rab koob yuav tsum tau txiav txim siab.

Ib qho ntawm cov teeb meem tseem ceeb hauv kev kuaj xyuas lub zog yog xaiv qhov tsim nyog lub zog txoj kev xav thiab qhov tseeb tso cai rau kev ntxhov siab.Nyob rau hauv xyoo tas los no, cov txheej txheem finite tuaj yeem siv los txheeb xyuas qhov quab yuam thiab xyuas lub zog ntawm qhov tshwj xeeb txoj kev tuag.

5. Dav loj ntawm txoj siv sia ua haujlwm

Nws yog qhov nyuaj dua los txiav txim siab qhov chaw ua haujlwm ntawm cov khoom sib cais tuag ntau dua li ntawm ib nrab tuag, tsis yog tsuas yog qhov sib txawv ntawm cov phab ntsa profile thiab qhov kev ncua deb ntawm qhov chaw, tab sis kuj tseem tiv thaiv qhov tuag qhov ntawm tus choj splitter. yuav tsum tau coj mus rau hauv tus account.Nyob rau hauv lub qhov tuag nyob rau hauv lub split choj, txoj hauj lwm siv yuav tsum tau thinned vim qhov nyuaj ntawm hlau ntws.

Thaum txiav txim siab qhov chaw ua haujlwm, thawj zaug kom pom cov phab ntsa tuab tshaj plaws hauv triage choj profile hauv cov hlau ntws tsis kam ntawm cov loj tshaj plaws hauv zos, qhov tsawg kawg nkaus ua haujlwm ob zaug raws li cov phab ntsa thickness, phab ntsa thickness thicker los yog hlau yog ib qho yooj yim mus cuag, ua hauj lwm. nrog rau kev txiav txim siab ntawm thickening, feem ntau raws li qee qhov kev faib ua feem kev sib raug zoo, ntxiv rau qhov yooj yim khiav ntawm kev hloov kho.

6. Cov qauv ntawm qhov tuag qhov khoob riam

Lub qhov tuag qhov hollow cutter yog lub cantilever txhawb cov qauv ntawm qhov hluav taws xob ntawm qhov tuag qhov chaw ua hauj lwm txoj siv.Profile phab ntsa thickness T ≥2.0mm, yuav siv tau los ua cov txheej txheem yooj yim ncaj khoob cutter qauv; Thaum t <2mm, los yog nrog ib tug cantilever, tau siv ib rab riam oblique.

Ob.Cov teeb meem tshwm sim hauv pwm tsim

1. Lub luag hauj lwm ntawm theem nrab vuam chamber

Extrusion tuag plays lub luag haujlwm tseem ceeb hauv extrusion ntawm aluminium profiles, uas ncaj qha cuam tshuam rau qhov zoo ntawm cov khoom extruded.Txawm li cas los xij, nyob rau hauv qhov tseeb ntau lawm, tus tsim ntawm extrusion tuag nyob ntawm ntau yam ntawm cov kev paub ntawm tus tsim, thiab qhov zoo ntawm cov tuag. tsim yog ib qho nyuaj rau lav, yog li nws yog ib qho tsim nyog yuav tau sim thiab kho qhov tuag ntau zaus.

Raws li qhov tsis zoo ntawm kev tsim qauv tuag, ib qho kev tsim qauv zoo tshaj plaws ntawm kev teeb tsa ob lub vuam chamber nyob rau hauv qis tuag tau muab tso rau pem hauv ntej, uas ua rau muaj qhov tsis zoo ntawm cov khoom noj tsis tiav hauv kev ua haujlwm tuag, zam qhov tsis xws luag ntawm kev qhib, kaw thiab qhov sib txawv ua ntej thiab tom qab cov khoom tso tawm los ntawm kev pub mis tsis txaus, thiab daws tau qhov teeb meem ntawm qhov tsis sib xws ntawm qhov kev faib tawm ntawm qhov tsim.Yog li ntawd, nyob rau hauv cov txheej txheem optimization, qhov kub thiab kev ntxhov siab faib rau ntawm seem ntawm qhov profile yog ntau yam sib xws, thiab cov khoom siv tau zoo heev.

2. Lub luag haujlwm ntawm kev hloov pauv theem nrab

Nyob rau hauv tus tsim ntawm extrusion tuag, theem nrab diversion yog siv rau cov khoom profiles nrog loj phab ntsa thickness sib txawv. Piv txwv li: thawj pwm tsim yog tsim los ntawm cov pwm zoo tib yam thiab tuag ncoo.Nws tsis zoo rau thawj zaug.Lub kaum sab xis yog me me, thiab qhov nyias-walled feem yog ultra-nyias thiab ultra-me me. Pwm kho tsis zoo txawm tias qhov nyias-walled feem yog loj thiab txoj siv sia ua haujlwm tau qis dua.

Txhawm rau daws qhov teeb meem ntawm qhov tsis sib xws ntawm qhov kev faib tawm ntawm qhov pib pwm tsim, kev tsim cov ntawv qhia phaj tau muab coj los siv rau lub sijhawm thib ob, thiab cov txheej txheem tsim kev pom zoo ntawm kev teeb tsa ob theem ntawm kev qhia hauv pwm tau muab tso rau pem hauv ntej.

Yuav tsum tau tshwj xeeb, cov phab ntsa nyias yog qhia ncaj qha, cov phab ntsa tuab yog kis tau 30 degrees hauv qhov hluav taws xob dav, thiab qhov tuag qhov loj ntawm cov phab ntsa tuab yog me ntsis nce hauv qhov loj, thiab 90 degree Lub kaum sab xis ntawm lub qhov tuag yog pre-kaw thiab qhib rau 91 degrees, thiab sizing ua hauj lwm txoj siv yog kuj tsim nyog hloov.