Gates yog ib qho tseem ceeb tshaj plaws hauv kev txhaj tshuaj pwm tsim.
Lawv txiav txim siab yuav ua li cas cov yas molten nkag mus rau hauv kab noj hniav, yuav ua li cas cov khoom ntim, thiab thaum kawg yuav ua li cas cov khoom tiav ua tiav thiab zoo li.
Xaiv lub rooj vag hom ncaj qha cuam tshuam:
nthuav qhia nthuav qhia Surface tsos
nthuav qhia nthuav qhia Mechanical zog
nthuav qhia nthuav qhia Dimensional stability
nthuav qhia》Cycle time
nthuav qhia nthuav qhia Mould lub neej
Kab lus no rhuav tshem ntau hom rooj vag, lawv ua haujlwm li cas, thiab seb lawv cuam tshuam rau koj qhov kawg qhov zoo.
1. Vim li cas lub rooj vag tsim teeb meem hauvTxhaj Molding
Lub luag haujlwm tseem ceeb ntawm lub rooj vag muaj xws li:
Lub rooj vag tsim cuam tshuam rau txhua theem ntawm molding - los ntawm lub sij hawm yas nkag mus rau hauv kab noj hniav mus rau lub sij hawm ib feem solidifies thiab ejected.
Tswj tus nqi ntws
Ua tiav ruaj khov thiab tswj cov dej ntws.
Regulating siab thaum lub sij hawm filling thiab packing
Tuav lub siab tsis sib xws thaum sau thiab ntim khoom.
Txo cov khoom shear
Tsawg kawg shear stress thiab cov khoom degradation.
Tiv thaiv qhov tsis xws luag xws li hlawv cov cim, jetting, weld kab
Txo cov molding tsis xws luag xws li jetting, burn marks, thiab weld kab.
Txo kom zoo nkauj flaws
Txhim kho cov khoom sib xws, kev ua tau zoo ntawm cov khoom siv, thiab cov tsos ntawm qhov chaw.
Lub rooj vag tsis yog qhov chaw nkag xwb - nws yog ib qho tseem ceeb ntawm engineering uas txiav txim siab qhov ua tiav ntawm lub voj voog molding thiab qhov zoo ntawm cov khoom kawg.
Lub qhov rooj zoo- tsim los txhim kho cov khoom tsim tau thiab cov khoom sib xws.
2. Hom Kev Txhaj Tshuaj Molding Gate Hom
Ntug Gate (Side Gate)
General -Lub hom phiaj molding, loj tiaj tiaj, tsis tshua muaj kev xav tau kom zoo nkauj.
Qhov zoo
Yooj yim rau tshuab
Tso cai rau txoj kev ntws loj
Zoo rau siab - cov ntaub ntawv viscosity
Kev txiav txim siab
Visible vestige ntawm ib feem ntug
Kev pheej hmoo ntawm cov kab weld ntawm txoj kev ntws ntev
Tsis zoo rau siab - qhov chaw zoo nkauj
Direct (Sprue) Rooj vag
Thick qhov chaw, siab -cov khoom muaj zog, tsis tshua muaj shear yuav tsum.
Qhov zoo
Lowest flow kuj
Kev ntim siab tshaj plaws
Muaj zog mechanical kev ua tau zoo
Kev txiav txim siab
Loj qhov rooj caws pliav
Tshaj tawm ntev dua - ua tiav
Tsis haum rau ntau- kab noj hniav pwm
Pin Gate (Submarine / Tunnel Gate)
Tsis siv neeg degating, siab - ntim ntau lawm, me me.
Qhov zoo
Tsis siv neeg txiav lub rooj vag thaum ejection
Tsawg kawg vestige
Haum rau siab - voj voog ntau lawm
Kev txiav txim siab
Siab dua shear rate
Tsis zoo tagnrho rau shear- cov ntaub ntawv rhiab heev (piv txwv li,PVC)
Fan Rooj
Loj, dav, nyias- cov phab ntsa uas yuav tsum tau ua kom zoo ib yam.
Qhov zoo
Dav ntws cheeb tsam txo shear
Zoo heev rau kev zam cov kab khiav
Zoo dua dimensional stability nyob rau saum npoo
Kev txiav txim siab
Yuav tsum muaj qhov rooj hneev taw loj dua
Lub rooj vag cim pom ntau dua
Lub Rooj vag Kub Kub (Valve Gate / Kub Tip Gate)
High- ntim precision molding, cov khoom kom zoo nkauj, ntau- kab noj hniav pwm.
Qhov zoo
Tsis muaj cua txias khiav → txo pov tseg
Kev tswj kub zoo heev
Cov cim me me lossis ze li qhov pom tsis pom
Zoo meej rau nruj tolerances
Kev txiav txim siab
Tus nqi pwm siab dua
Yuav tsum muaj kev saib xyuas zoo
3. Hom rooj vag cuam tshuam li cas ntws thiab zoo
Cuam tshuam Flow thiab Zoo
Txhua lub rooj vag tsim hloov pauv cov yas nkag mus rau hauv kab noj hniav, cuam tshuam li cas:
Flow Pattern
Kev xaiv lub rooj vag tsis zoo yuav ua rau:
Weld kab
Jetting
Cua ntxiab
Kev txhaj tshuaj luv luv
Lub rooj vag zoo ua kom zoo laminar ntws thiab txawm sau.
Internal Stress & Warpage
High shear los yog ntim tsis sib xws ua rau:
Kev ntxhov siab sab hauv
Part distortion
Cracking thaum sib dhos los yog laus
Lub rooj vag loj thiab qhov chaw tuaj yeem txo cov teeb meem no.
Nto Zoo
Qhov chaw tso rooj vag cuam tshuam:
Gloss sib xws
Flow marks
Cov cim dab dej
Rooj vag vestige visibility
Rau cov neeg siv khoom, kev xaiv rooj vag feem ntau yog atshuaj pleev ib cekev txiav txim siab ntau npaum li qhov ua haujlwm.
4. Yuav xaiv hom rooj vag zoo li cas
Ntu geometry
Cov phab ntsa nyias nyias, ntev - txoj hauv kev ntws, thiab cov txheej txheem nyuaj xav tau cov rooj vag uas tuav ruaj khov thiab tiv thaiv kom tsis txhob ua kom txias.
Material melt flow index
Siab - cov ntaub ntawv ntws tuaj yeem siv cov rooj vag me me, thaum qis - cov ntaub ntawv ntws los yog cov khoom siv ntxiv yuav tsum tau loj dua los yog ntau lub rooj vag kom ua tiav cov khoom tiav.
Cov cai muaj zog
Cov khoom uas yuav tsum tau muaj kev ncaj ncees siab heev- xws li thauj khoom - cov khoom siv bearing - feem ntau siv hom rooj vag uas txo qis shear thiab zam cov kab tsim.
Aesthetic xav tau
Pom tau qhov chaw hu rau lub rooj vag tsim uas tawm tsawg los yog tsis muaj vestige tom qab trimming.
Kev kam rau siab
Siab - qhov tseeb ntawm qhov yuav tsum tau muaj cov rooj vag tso kom txo tau warpage los yog shrinkage tsis sib xws.
Cia siab rau lub sij hawm voj voog
Lub rooj vag hom cuam tshuam qhov txias ceev thiab tshem tawm yooj yim, cuam tshuam tag nrho lub voj voog kev ua haujlwm.
Ntau lawm ntim
Siab- cov haujlwm ntim feem ntau siv lub rooj vag tsim kom zoo rau automation thiab ntev - lub sij hawm pwm durability.
Xaiv lub rooj vag zoo ua kom muaj kev sib npaug sib npaug, txo qis kev tsis lees paub, thiab kev tsim khoom loj.
Cov cai dav dav:
Rau siab aesthetics
↓
Kub Tip lossis Valve rooj vag
Rau siab zog
↓
Direct Rooj vag
Rau automation
↓
Pin Rooj
Rau qhov loj nyias - phab ntsa
↓
Fan Rooj
5. Qhov chaw ntawm lub rooj vag: Qhov chaw ntsiag to tom qab zoo
Qhov chaw zoo ntawm rooj vag kom ntseeg tau tias:
Txawm nrog hom rooj vag zoo,qhov chaw tsis zoo ntawm lub rooj vag tuaj yeem ua kom puas.
Balanced filling
Balanced filling hla txhua ntu ntawm ntu
01
Tsawg kawg weld kab
Tsawg kawg weld kab hauv qhov chaw tseem ceeb lossis pom
02
Txo cov cua ntxiab
Txo cov cua ntxiab thiab ua kom muaj cua zoo dua
03
ruaj khov packing siab
ruaj khov packing siab, tiv thaiv cov cim dab dej thiab voids
04
Tswj shrinkage
Tswj shrinkage kom zoo dua qhov tseeb
05
Feem ntau, tso lub rooj vag ntawm qhov tuab tshaj plaws txhawb kev ntws ntws thiab txo cov kev ntxhov siab sab hauv, txhim kho ob qho tib si kev ua haujlwm thiab kev pom kev zoo.
Qhov chaw ntawm lub rooj vag yog nyob ntsiag to tab sis muaj zog -ib qho ntawm qhov qis tshaj plaws ntawm kev tsim pwm engineering.
6. Gate Design yog ib feem tseem ceeb ntawm Mould Engineering
Gate tsim yog qhov kev txiav txim siab engineering uas cuam tshuam ncaj qha rau kev tsim khoom ruaj khov thiab kev ua haujlwm ntawm cov khoom.
peb cov kev pabcuam
Xaiv lub qhov rooj zoo yog qhov tseem ceeb kom ua tiav:
Superior ib feem zoo
Cov rooj vag kom zoo txo cov kev ntxhov siab sab hauv, txhim kho cov khoom faib khoom, thiab txhim kho cov txheej txheem muaj zog.
Kev coj tus cwj pwm tsis tu ncua
Cov dej khov ruaj khov tiv thaiv qhov tsis xws luag thiab ua kom txhua qhov kab noj hniav hauv ntau-kab kab noj hniav ua kom zoo ib yam.
Smooth nto tsos
Optimized gating minimizes ndlwg kab, jetting, hlawv cov cim, thiab pom vestige ntawm cov chaw kom zoo nkauj.
Lub sijhawm ua haujlwm zoo
Lub rooj vag loj thiab hom cuam tshuam rau lub sij hawm txias thiab trimming ceev, tso cai rau kom sai thiab nqi ntau dua - ntau lawm.
Lub rooj vag engineering tsis yog qhov nthuav dav me me- nws yog lub hauv paus ntawm kev txhim khu kev qha thiab rov tuaj yeem txhaj tshuaj molding.
Ib - nrestxhaj tshuaj molding Hoobkashauv Suav teb
Ib tus kws tshaj lij kev txhaj tshuaj molding tus khub tuaj yeem ntsuas koj tus qauv tsim, xaiv lub rooj vag zoo, thiab ua kom zoo rau koj cov pwm kom ntev -kev ntseeg siab thiab kev tsim khoom.
Peb qhov chaw nyob
Xov tooj
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