Cov kev daws teeb meem rau cov tsis xws luag hauv txhuas profile extrusion

Point 1: Taw qhia txog cov teeb meem tshwm sim ib txwm muaj nrog shrinkage thaum lub sij hawm extrusion txheej txheem ntawm Extruder:

Nyob rau hauv kev extrusion kev tsim khoom ntawm txhuas profiles, tsis xws luag zoo li cov khoom lag luam yuav tshwm sim hauv cov khoom lag luam ib nrab tom qab txiav lub taub hau thiab tw tom qab ua haujlwm tshawb xyuas. Cov khoom siv cov khoom siv ntawm txhuas cov profiles muaj cov qauv no tsis tau raws li cov kev xav tau, kev nyab xeeb ntawm kev nyab xeeb.

Nyob rau tib lub sijhawm, thaum cov tsim txhuas alloy tau raug kho lossis tig los ua qhov tsis haum ntawm cov khoom siv txuas ntxiv thiab ua tiav. Nyob rau hauv cov xwm txheej loj, nws yuav ua rau zais cov cim yuav tsum tau txhuam lossis kev puas tsuaj rau lub tig lav thiab lwm yam phom sij, qhov no muaj teeb meem ntau hauv kev tsim khoom. Ntawm no, cov kab lus no nthuav qhia cov laj thawj rau kev tsim ntawm txhuas profile shrinkage thiab cov hau kev los tshem tawm nws.

Point 2: Kev faib tawm ntawm shrinkage hauv extruded aluminium profatiles los ntawm extruders: hollow shrinkage thiab dab tsi shrinkage:

1) Hollow Shrinkage: Ib qho khoob yog tsim nyob rau hauv nruab nrab ntawm tus Tsov tus tw kawg ntawm extruded profiles thiab tuav. Cov ntu hla tshwm sim raws li lub qhov nrog ntxhib sawv los yog lub qhov nrog npoo muaj lwm yam tsis txaus ntseeg. Cov kev taw qhia ntev yog lub khob hliav qab-puab lub khob hliav qab, qhov ntxeev ntawm funnel ntsej muag kev taw qhia ntawm hlau ntws. Nws yog feem ntau tshwm sim hauv ib lub dav hlau tuag extrusion, tshwj xeeb tshaj yog nyob ntawm tus tw me me, cov phab ntsa tuab, lossis roj av roj roj.

2) Lus Askiv: Ob qhov kawg ntawm kev rho tawm shunt cov khoom ntim, cov nplhaib tsis sib xws los yog arcs, thiab cov duab crescent yog qhov pom tseeb ntau dua ntawm ob tog vuam. Lub dab neeg shrinkage ntawm txhua lub qhov khoom yog symmetrical.

Qhov laj thawj rau kev tsim ntawm shrinkage: cov neeg kho tshuab mob maj mam nce thiab ua kom muaj kev phom sij dn ntawm sab npoo ntawm extrusion budrel. Lub zog no ua ke nrog kev sib txhuam nruj dT lub tog raj kheej, thaum lub zog sib npaug DN yog pov tseg, tus hlau nyob ib ncig ntawm ntug kev ntawm qhov tsis muaj zog, sib zog ua rau muaj qhov tob.

Point 3: Dab tsi yog qhov kev rho tawm cov kev mob uas ua rau shrinkage nyob rau hauv extruder:

1. Extrusion Cov Khoom Siv Tseem Ceeb Tshaj Plaws

2. Exustion Gasket yog oily lossis qias neeg

3. Qhov saum npoo ntawm ingot lossis plaub tsis huv

4. Kev txiav-tawm ntev ntawm cov khoom lag luam tsis ua raws li cov cai

5. Cov ntaub pua ntawm Extrusion lub tog raj kheej yog tawm ntawm kev thev taus

6. Lub Extrusion ceev tam sim ntawd nce.

Point 4: Cov hau kev los tshem tawm cov shrinkage tsim los ntawm Aluminium Extrusion Machine thiab kev tiv thaiv kom muaj kev tsim ntawm shrinkage:

1. Nruj ua raws cov txheej txheem txheej txheem los txiav thiab nias qhov dhau los, ua kom cov roj tsis zoo, thiab siv cov roj sib cav sib ceg. Xaiv qhov ntev tsim nyog ntawm cov khoom seem.

2. Qhov chaw ntawm cov cuab yeej tsis zoo thiab Aluminium Rods yuav tsum huv

3. Nquag xyuas qhov loj me ntawm Extrusion lub tog raj kheej thiab txuas cov cuab yeej tsis tsim nyog

4. Caj exusion ceev yuav tsum tau qeeb hauv cov theem tom qab ntawm extrusion, thiab cov ntawv tuab ntxiv ntawm cov khoom seem uas yuav tsum tau siv.

Point 5: Txhawm rau kom muaj txiaj ntsig zoo ntawm qhov tshwm sim ntawm shrinkage ntawm kev tsim cov tshuab txhuas ntau ntxiv ntawm cov extruder kuj yuav tsum tau them siab rau. Hauv qab no yog tus qauv siv rau cov tuab tshaj:

Extruder tonnage (t) extrusion thickness (hli)

800T ≥15mm 800-1000T ≥18mm

1200T ≥3MM 1600T ≥25mm

2500T ≥30mm 4000T ≥45mm

Edited los ntawm May Jiang los ntawm Mat Aluminium