Yu dɔn ɛva tink bɔt wetin mek dɛn mek di tin dɛn we dɛn de mek fɔ mek plastic pɔsibul? Di ansa de na di injɛkshɔn mold, we na wan kɔmpleks tul we de na di at fɔ di . Injɛkshɔn moldin prɔses.
Fɔ ɔndastand di tin dɛn we de insay injɛkshɔn mold impɔtant fɔ ɛnibɔdi we involv pan plastic pat dizayn ɔ manufakchurin. Insay dis kɔmprɛhɛnsif gayd, wi go fɛn di men pat dɛn we de wok togɛda fɔ mek ay kwaliti plastic prɔdak dɛn.
Wetin na injɛkshɔn mold?
Difinishɔn fɔ injɛkshɔn mold .
Injɛkshɔn mold na prɛsishɔn tul. I de shep molten plastic to di pat dɛn we dɛn want. dis prכsεs involv fכ injεkt likwid plastic insay wan mold kכva. We dɛn dɔn mek di plastic dɔn, di plastic kin strɔng, ɛn dis kin mek di las tin we dɛn mek.
Rol fɔ injɛkshɔn mold na plastic pat prodakshɔn .
Injɛkshɔn mold dɛn impɔtant fɔ mek dɛn prodyuz plastic pat. Dɛn de mek shɔ se di pat dɛn kɔnsistɛns ɛn prɛsis. If dɛn nɔ gɛt dɛn, fɔ mek ay kwaliti plastic tin dɛn fayn fayn wan na tin we nɔ izi fɔ du. Molds alaw mas prodakshɔn, ridyus kɔst ɛn impɔtant yunifɔmiti.
Besik strɔkchɔ fɔ wan injɛkshɔn mold .
Di besik strɔkchɔ fɔ wan injɛkshɔn mold inklud sɔm ki kɔmpɔnɛnt dɛn:
Klamp plet dɛn : Sikyu di mold af dɛn to di moldin plet dɛn.
Nozl/Sprue Bushing : de dayrɛkt molten plastic insay di mol.
Fid Sistem : Chanɛl plastic tru spru ɛn rɔna to di kaviti dɛn.
Kaviti : Fɔm di pat we dɛn want de shep.
Cooling System : Yuz wata ɔ ɔyl fɔ mek di plastic kol.
Gayd pila/bushing : Mek shɔ se dɛn alaynɛshɔn fayn fayn wan we dɛn de lɔk di mol.
Ejector System : Push di pat we dɔn dɔn kɔmɔt na di mol.
Na dis wan na wan simpul dayagram we de sho di besik pat dɛm:
+------------------------+ | Klamp plet dɛn | | +-------------------------- | | Kaviti dɛn | | | | +-------------------+ | | | | | | | | | | | Fid Sistem | | | | | | | | | | | +-------------------+ | | | +-------------------------- | Koling sistem & | | Gayd Pillars/Bushings | +----------------------------
Ɛni kɔmpɔnɛnt de ple wan impɔtant pat fɔ mek shɔ se di mold de wok fayn fayn wan ɛn i de mek ay kwaliti pat dɛn. Fɔ ɔndastand dɛn pat ya na di men tin fɔ masta injɛkshɔn moldin.
Ki komponent dɛn fɔ wan injɛkshɔn mold .
1. Mold bays .
Di mold bays na wan impɔtant pat. Na di fawndeshɔn fɔ di wan ol mold asɛmbli. Di bays de gi trɛnk ɛn rigiditi. I de bia wit di ay prɛshɔn dɛn we dɛn kin mek fɔ injɛkshɔn moldin.
Mold bays dɛn kin mek frɔm strɔng tin dɛn:
Dɛn tin dɛn ya de gi:
Trɛnk
Rigiditi .
Wear resistans .
Termral resistans .
Di mold bays de intagret ɔda mold komponent dɛn bak. Dɛn tin ya na di fidin yunit ɛn di kɔling sistɛm. I de mek shɔ se ɔl di pat dɛn alaynɛd kɔrɛkt wan.
Na wan tebul we de sho di men prɔpati dɛn fɔ di mold bays matirial dɛn:
| matirial | trɛnk | rigiditi | wear resistans | tɛmral rɛsistɛns |
| Tul Stilin dɛn . | Ay | Ay | Ay | Ay |
| Aluminium Alloys na na na na na na na na na | Lukin-grɔn uman | Lukin-grɔn uman | Lukin-grɔn uman | Lukin-grɔn uman |
2. Kaviti ɛn kɔr .
Di kaviti ɛn di kɔr na tu af pat pan di mol. Dɛn kin mek di pat in shep.
Di cavity de fom di ekstenal ficha dem. Dis na tin we di pɔsin we de yuz am de si. I de gi di pat in sɔfays finish ɛn tɛkstɔr. Di cavity kin de na di muv ɔ steshɔn sayd.
Di kɔr de shep di intanɛnt ficha dɛn. Dɛn tin ya na ol ɛn rɛs. Surface finish mait no bi as krichɔ ya. Bɔt dizayn ɛlimɛnt dɛn lɛk draft angul dɛn impɔtant. Dɛn de mek shɔ se dɛn kɔmɔt na di ej fɔ kɔmɔt na dɛn bɔdi fayn fayn wan.
Injɛkshɔn mold pat dɛn gɛt tu sayd dɛn:
A-sayd (kaviti sayd): Bɛtɛ apia, smol ɔ tɛkstɔr
B-sayd (kɔr sayd): strɔkchɔral ficha dɛn, rɔf surface, ejektor pin mak dɛn
Matirial fɔ di kaviti ɛn di kɔr fɔ bi:
Di kɔmɔn tin dɛn we yu kin pik na:
Tul stɛl dɛn (P20, H13) .
Stiɛl we dɛn bin dɔn ambɔg bifo tɛm (4140) .
Aluminium Alloys na na na na na na na na na
Di matirial dipen pan wetin di pat nid. Fakta dɛm lɛk trɛnk, akkuracy, ɛn surface finish na di ki.
Na dis wan na wan kwik kɔmpiashɔn:
| matirial | trɛnk | wear resistans | surface finish |
| Tul Stilin dɛn . | Ay | Ay | Wɛl dɔn |
| Stiel we dɛn bin dɔn mek bifo tɛm . | Lukin-grɔn uman | Lukin-grɔn uman | Gud |
| Aluminium Alloys na na na na na na na na na | Lukin-grɔn uman | Lukin-grɔn uman | Gud |
Kaviti ɛn kɔr dizayn na impɔtant tin. I de ambɔg pat kwaliti dairekt wan. Di rayt we fɔ pik di tin dɛn we dɛn yuz fɔ mek di tin dɛn, impɔtant bak. I de mek shɔ se di mold de wok fayn ɛn i de las fɔ lɔng tɛm.
3. Insayt dɛn .
Insɛt na sɛpret kɔmpɔnɛnt dɛn we dɛn put insay di mold kaviti. Dɛn kin mek spɛshal tin dɛn na di pat we dɛn dɔn mol.
Di kayn insɛt dɛn na:
Threaded inserts: Dɛn kin ad trɛd dɛn to di pat .
Surface Texturing Inserts: Dɛn kin mek yunik sɔfayz patɛn ɔ tɛkstɔr dɛn .
Reinforcing inserts: Dɛn de mek sɔm eria dɛn na di pat strɔng .
Dɛn kin put insɛt dɛn na di say we dɛn de bifo dɛn mol. Dɛn kin nid fiks fɔ de na dɛn ples. Di mold kin lɔk oba dɛn, ɛn injɛkshɔn kin bigin.
Dɛn kin mek insɛt frɔm difrɛn tin dɛn:
Di choice dipen pan di insert in function ɛn di molding kondishɔn. Di tin dɛn we fɔ tink bɔt na:
Na dis wan na wan tebul we de kɔmpia kɔmɔn insɛt matirial dɛn:
| Material | Strength | Machinability | tɛmal rɛsistɛns |
| Mɛtal dɛn . | Ay | Gud | Ay |
| Sɛramik dɛn . | Ay | Lo | Ay |
| Polima dɛn we dɛn dɔn riinfɔs . | Lukin-grɔn uman | Gud | Lukin-grɔn uman |
| Kabon Fayba . | Ay | Lo | Ay |
Inserts ad versatility to injekshɔn moldin. Dɛn alaw fɔ kɔmpleks ficha dɛn we nɔ gɛt kɔmplikɛt mold dizayn. Bɔt dɛn nid fɔ tek tɛm plan ɛn put dɛn. Di we aw dɛn nɔ put di tin we dɛn put insay di rayt we kin mek dɛn gɛt prɔblɛm dɛn we nɔ fayn.
4. Noz ɛn sprue bush .
Di noz ɛn sprue bushing de kɔnɛkt di mold to di injɛkshɔn yunit. Dem na di entry point fo molten plastic.
Di noz tan lɛk paip. in krɔs-sɛkshɔn de smɔl to di tip. I sidɔm agens di sprue bushing. Di bushing de hol di noz in ples. I de mek shɔ se di alaynɛshɔn ɛn di sɛnt we de na di say we dɛn de.
Dɛn tin ya de rigul plastic flɔ insay di mold. Di noz de kɔntrol prɛshɔn ɛn spid. I de kip di flɔ smol ɛn laminar.
Di noz ɛn bush bak de minimiz ɛya trap. Dɛn kin kɔntinyu fɔ injɛkt plastic te di briz rɔnawe kɔmɔt na di say dɛn we dɛn kin pul briz.
Di tin dɛn we dɛn go yuz fɔ du dɛn pat ya fɔ bia:
Ay tɛmpracha .
Prɛshɔn dɛn .
Wɛr
Di kɔmɔn tin dɛn we yu kin pik na:
Di matirial fɔ tinap agens:
Na dis wan na wan tebul we de sho di men tin dɛn we dɛn nid:
| prɔpati | rikwaymɛnt |
| Trɛnk | Ay |
| Rigiditi . | Ay |
| Wear resistans . | Ay |
| Termral resistans . | Ay |
Prɔpa noz ɛn bush dizayn impɔtant. I de mek shɔ se dɛn de ful-ɔp di mold ɔltɛm. I de afɛkt bak pat kwaliti ɛn saykl tɛm.
Rigyul mentenɛns impɔtant bak. We yu wɛr ɔ pwɛl, dat kin mek yu gɛt prɔblɛm dɛn we nɔ fayn. Inspekshɔn ɛn riples dɛn komponent ya nid fɔ de fɔ di bɛst pefɔmɛns.
5. Di wan dɛn we de rɔn .
Di rɔna sistem de sheb di plastic we dɔn rɔtin frɔm di sprue to di kaviti dɛn. I tan lɛk wan nɛtwɔk fɔ chanɛl dɛn.
Tu men kayn rɔna sistem dɛn de:
Kol rɔna:
Plastik de solidify in di rana dem afta evri saikl .
Di wan dɛn we de rɔn kin kɔmɔt wit di pat .
I fayn fɔ di volyum dɛn we smɔl pas ɔl .
Cheaper bɔt nɔ ebul fɔ wok fayn .
Hot Runner: Di wan dɛn we de rɔn:
Dɛn kin kip di wan dɛn we de rɔn hot, plastic stɛy dɛn we dɛn dɔn molten .
No Runner Waste, Matirial Sevins
Fasta saykl tɛm, ay prodaktiviti .
Mɔ dia, kɔmpleks mentenɛns .
Disain wan efishɔnal rɔna sistɛm na impɔtant tin. I de mek shɔ se dɛn ivin ful ɔl di kaviti dɛn.
Di men tin dɛn we dɛn fɔ tink bɔt na:
Na wan simpul kɔmpiashɔn fɔ kol ɛn hot rɔna sistem dɛn:
| Factor | Cold Runner | Hot Runner |
| Di west we dɛn de yuz fɔ mek tin dɛn . | Ay | Lo |
| Saykl tɛm . | Lɔng fɔ lɔng tɛm . | shɔt shɔt wan . |
| Mek say we dɔn pwɛl | Simpul | At |
| Pe | Ridyus | Di wan dɛn we ay pas ɔl . |
Di choice dipen pan prodakshɔn nid ɛn badjɛt. Bɔku tɛm, bɔku bɔku wok dɛn kin jɔstify di kɔst fɔ di ɔt rɔna dɛn.
Proper Runner Design optimizes mold pefomans. I de minimiz skrap ɛn impruv pat kwaliti. Fɔ ful-ɔp fɔ ful-ɔp de ridyus di wɔpej ɛn ɔda prɔblɛm dɛn we de apin.
Simyuleshɔn tul dɛn kin ɛp fɔ mek di wan dɛn we de rɔn fayn fayn wan. Dɛn kin prɛdikt fil patɛn ɛn no di prɔblɛm dɛn we kin apin. Dis de alaw fɔ dizayn rifinmɛnt bifo dɛn kɔt stɛl.
6. Get dɛn .
Get na di ɛntrɛ pɔynt fɔ plastic insay di kaviti. Dem na smol opin dem na di en of di rana dem.
Gates de ple wan impɔtant pat pan injɛkshɔn moldin:
Kontrol plastic flow in di cavity .
Mek shɔ se yu fil fayn, we nɔ de chenj ɔltɛm .
Prɛvɛnt difrɛn tin dɛn lɛk ɛya trap ɔ wɛl layn dɛn .
Di kɔmɔn kayn get dɛn na:
Ɛj get: .
Na di say we dɛn de sheb di tin dɛn .
I fayn fɔ flat, tint pat dɛn .
I izi fɔ trim, i lɛf wan smɔl mak
Tunnel get:
Enta di cavity dɔŋ di parting line .
Otomatikal separate frɔm di pat .
Ideal fɔ ay-volyum prodakshɔn .
Hot Tip Get:
Yuz wit hot rana sistem dɛn .
Dairekt injekt plastic in di pat .
Leaves Minimal Gate Vestige
Pin get:
Enta di cavity frɔm di sayd .
Yusful fɔ pat dɛn wit spɛshal gating nid dɛn .
kin kam togɛda wit ɔda kayn get dɛn .
Get sɛlɛkshɔn ɛn plesmɛnt dipen pan sɔm tin dɛn:
Pat jɔyometri ɛn tik .
Di prɔpati dɛn we dɛn gɛt (viskɔsiti, shrinkage)
Di say we dɛn want fɔ gɛt di get ɛn di we aw dɛn de luk .
Saykl tɛm ɛn efyushɔn we dɛn nid .
Na dis wan na wan kwik gayd fɔ get sɛlɛkshɔn:
| pat tayp | rɛkɔmɛnd get |
| Flat, tint | Edge Gate . |
| Di wan dɛn we gɛt ay vɔlyum . | Tunnel get we yu go si. |
| Fayn | Hot Tip Gate . |
| Sayd-gɛt . | Pin get di get . |
Prɔpa get dizayn impɔtant fɔ pat kwaliti. I de afɛkt di fil patɛn, pak, ɛn ɔl di we aw i de luk.
Dɛn fɔ put get dɛn fɔ mek dɛn ebul fɔ ful-ɔp di balans filin. Dis kin mek di wɔpej ɛn di strɛs dɛn we de na di wɔl nɔ bɔku.
Get saiz impɔtant bak. Tu smɔl, ɛn di plastic nɔ go ful-ɔp fayn fayn wan. I tu big, ɛn di get mak kin de we pɔsin kin si.
Simulation tools kin ɛp fɔ optimize di get lokeshɔn ɛn saiz. Dɛn kin prɛdikt fil bihayvya ɛn no di prɔblɛm dɛn we kin apin.
7. Ejekta sistem .
Di ejekta sistem de pul di pat pan di mold afta i dɔn kol. I de mek shɔ se klin, efishɔnal ejekshɔn.
Di men tin dɛn we de insay di Ejector sistem na:
Ejekta pins:
smɔl rod dɛn we de push di pat kɔmɔt .
Mounted pan di ejekta plet .
Kɔntakt di pat na Stratejik Lɔkeshɔn dɛn .
Ejekta plet:
Hol di ejektor pins in ples .
I de muv fɔ go bifo fɔ pul di pat pan di pat .
Ritɔn to ɔrijinal pozishɔn fɔ nɛks saykl .
Ritɔn pin dɛn:
Ejekta Hausin:
Disain wan ifektiv ejekta sistem na impɔtant tin. I de mek pat nɔ de stɔp ɛn pwɛl.
Tink bɔt dɛn tin ya:
Ejector pin saiz, shep, ɛn ples fɔ de
Ejekshon fos ɛn strɔk lɔng .
Pat Jɔyometri ɛn Draft Angul dɛn .
Matirial prɔpati dɛn (shrinkage, fleksibiliti)
Na sɔm advays dɛn fɔ Ejector System Design:
| Tip | Ɛksplen |
| Yuz inaf pin dɛn . | Distribute Ejection Fos ivin wan wan . |
| Nɔ mek mak dɛn we pɔsin kin si . | Ples pin pan nɔ-kɔsmɛtik sɔfays . |
| Tink bɔt Pin Wear . | Yuz pin dɛn we dɔn at ɔ we dɛn kɔt fɔ abraziv matirial dɛn . |
| Gi fayn fayn draft . | Angles of 1-2° Minimum fɔ smol smol ejekshɔn |
Di ejector sistem de wok in sikwins:
Mold de opin, pat de na di kɔr sayd
Ejector plet de muv fɔ go bifo, pin dɛn de push pat
Pat de fɔdɔm fri ɔ na rɔbɔt de pul am kɔmɔt
Ejector Plate Retracts, mold klos fɔ nɛks saykl
Prɔpa ɛjekta dizayn de mek shɔ se dɛn gɛt rilibul, efishɔnal ɔpreshɔn. I de minimiz saykl tɛm ɛn pat dɛfɛkt dɛn.
Simyuleshɔn kin ɛp fɔ ɔptimayz PIN layout ɛn prɛdikt ɛjɛkshɔn fɔs. Dis kin ridyus di trial-ɛn-ɛrɔd we dɛn de kɔmishɔn mold.
Rigyul mentenɛns impɔtant bak. PIN dɛn we dɔn pwɛl ɔ we dɔn pwɛl kin mek dɛn gɛt prɔblɛm wit dɛn ejekeshɔn. Inspekshɔn ɛn riples di kɔmpɔnɛnt dɛn as nid de mek di sistɛm de rɔn fayn fayn wan.
8. Sistɛm fɔ kol .
Fɔ kol na impɔtant tin we dɛn de yuz fɔ mek injɛkshɔn. I de afɛkt pat kwaliti, saykl tɛm, ɛn prodakshɔn efyushɔn.
Di kɔling sistem de pul di ɔt frɔm di mold. Dis kin mek di plastic strɔng kwik ɛn yunifom.
Tu men kayn kɔling sistɛm dɛn de:
Wata we de kol:
Di we we dɛn kin yuz mɔ .
Yuz wata as di kol mɛdiɔm .
I fayn fɔ bɔku pan di plastic dɛn .
Efisiɛns ɛn kɔst-ɛfɛktiv .
Oil Cooling: .
Dɛn kin yuz am fɔ mek plastic dɛn we gɛt ay tempɔret .
Gi mɔ kɔnsistɛns kɔling .
I nid spɛshal ikwipmɛnt ɛn mentenɛns .
I dia pas wata kol .
Dɛn kin drɔ di chanɛl dɛn we de mek di ples kol insay di mol. Dɛn kin skata di wata we de kol rawnd di kaviti dɛn.
Prɔpa kɔling chanɛl dizayn na impɔtant tin. I de mek shɔ se di bɛst ɔt dispɛpshɔn ɛn yunifom kol.
Di men tin dɛn we wi fɔ tink bɔt na:
Na sɔm advays dɛn fɔ mek dɛn ebul fɔ mek fayn fayn wan:
| Tip | Ɛksplen |
| Mentɛn yunifom spɛshal . | I de mek shɔ se ivin kol akɔdin to di pat . |
| Avɔyd di say dɛn we dɔn day . | Eria dɛn we nɔ gɛt di rayt kol kin mek dɛn gɛt wɔpej . |
| Yuz baf ɔ bɔbul dɛn . | Inkris turbulɛns ɛn ɔt transfa . |
| Tink bɔt Kɔnfɔmal Kɔling . | Chanɛl dɛn de fala pat kɔnto fɔ kɔmpleks jɔyometri dɛn . |
Di tɛm fɔ mek pɔsin kol na big tin we kin mek i gɛt saykl tɛm. Fasta kol min se shɔt saykl ɛn ay autput.
Bɔt fɔ kol fɔ balans. Tu fast, ɛn di pat kin wɔp ɔ sink. Tu slo, ɛn prodaktiviti de sɔfa.
Mold Flow Analysis kin ɛp fɔ mek di kɔling kol. I de simul ɔt transfa ɛn i de sho di hot spat dɛn.
Dis de alaw dizayna dɛn fɔ rifin chanɛl layout bifo dɛn kɔt stɛl. I de sev tɛm ɛn kɔst insay mold trial.
I impɔtant bak fɔ mek dɛn mek am ɔltɛm. Skel Buildup kin ridyus di kol efyushɔn. Flush ɛn trit di sistɛm nɔ de mek dɛn blok ɛn kɔrɛshɔn.
9. Sistem fɔ Ventin .
Ventin na impɔtant tin fɔ mek dɛn mol injɛkshɔn. I de mek di briz ɛn di gas dɛn ebul fɔ rɔnawe pan di say we dɛn de ful-ɔp.
If yu nɔ gɛt di rayt vent, prɔblɛm kin apin:
Dɛn bad bad tin dɛn ya kin pwɛl pat pan di we aw dɛn luk ɛn di trɛnk we dɛn gɛt. Dɛn kin pwɛl di mol bak.
Di venting sistem na:
Vents: Smɔl smɔl chanɛl dɛn we de mek ɛya rɔnawe .
Parting line vents: Na di say we di mold af dɛn mit
Vent pins: Ejector pins wit speshal vent joyometri
Sintered metal inserts: porous inserts we de alaw gas fɔ pas .
Dɛn kin put vent dɛn na say dɛn we gɛt fayn fayn wan:
Dem kip dem rili shalo, tipikli 0.0005-0.002 inch. Dis kin mek plastic nɔ go insay di vent dɛn.
Na sɔm advays dɛn fɔ mek yu ebul fɔ pul di briz fayn fayn wan:
| Tip | Ɛksplen |
| Yuz inof vents . | I de mek shɔ se dɛn de pul di briz fayn fayn wan . |
| Kip di vent dɛn klin . | Di vent dɛn we dɛn kin lɔk kin mek dɛn gɛt prɔblɛm dɛn we nɔ fayn . |
| Avɔyd vent dɛn na kɔsmɛtik sɔfays . | kin lɛf mak dɛn we nɔ fayn fɔ si . |
| Yuz vent pin fɔ dip kɔr dɛn . | Alaw Eria fɔ rɔnawe frɔm blaynd eria dɛn . |
Vent matirial selekshɔn impɔtant bak. I fɔ ebul fɔ bia wit ay tɛmpracha ɛn prɛshɔn.
Di kɔmɔn tin dɛn we dɛn kin yuz fɔ mek di say dɛn we dɔn pwɛl na:
Di matirial fɔ de agens kɔrɛshɔn ɛn wear bak. Vent kin pwɛl as tɛm de go, ɛn i kin afɛkt dɛn wok.
Mold Flow Analysis kin ɛp fɔ optimize vent plesmɛnt. I de prɛdikt di ay trap ples dɛn ɛn i de sho se di vent pozishɔn dɛn.
Fɔ mek dɛn kɔntinyu fɔ mek di os fayn ɔltɛm na sɔntin we rili impɔtant. Dɛn fɔ klin di say dɛn we dɛn kin mek di os ɛn dɛn fɔ de inspɛkt dɛn ɔltɛm. Dɛn fɔ chenj ɔ klos di vent dɛn we dɔn pwɛl.
Prɔpa ventin de mek shɔ se dɛn gɛt kɔnsistɛns, ay kwaliti pat dɛn. Na wan smɔl bɔt impɔtant aspek fɔ mold dizayn.
10. Mold intalɔk ɛn alaynɛshɔn ficha dɛn .
Intalɔk ɛn alaynɛshɔn ficha dɛn rili impɔtant fɔ injɛkshɔn mold dɛn. Dɛn de mek shɔ se di mold af dɛn de mit jɔs ɛvri tɛm.
Misalaynmɛnt kin mek siriɔs prɔblɛm dɛn:
Flash ɔ mismatch na parting lines .
Shutoffs ɔ pin dɛn we dɔn pwɛl ɔ pin .
Di dimɛns dɛn we nɔ gri wit di wan dɛn we nɔ gri wit wetin dɛn de du .
mold we dɛn dɔn wɛr aksɛleret .
Intalɔk dɛn kin mek di mol nɔ opin we dɛn de injekt am. Dɛn kin kip di af dɛn tayt tayt wan ɔnda ay prɛshɔn.
Di kɔmɔn kayn intalɔk dɛn na:
Mekanikal lɔk dɛn: pin, slot, ɔ kam dɛn we de mek di mold nɔ opin in bɔdi.
Hydraulic Locks: Fluid-pawa silinda dɛn we de ol di mold klos
Magnɛtik lɔk dɛn: Ilɛktromagnɛt dɛn we de mek di mol af dɛn sikrit .
Alignment features mek shɔ se di mold haf dɛn de fayn fayn wan. Dɛn kin gayd di af dɛn togɛda wit ay prɛsishɔn.
Tipik alaynɛshɔn mɛkanism dɛn na:
Lida pin ɛn bushing dɛn: tapered pins we fit insay kɔrɛspɔndɛns ol dɛn
Wear Plates: Hardened Steel Plates we de gi wan smol, we go de fɔ lɔng tɛm slaydin.
Parting Line Locks: Intalɔk Jɔyometri along di Parting Line
Na wan simpul dayagram fɔ lida pin ɛn bushing dɛn:
kɔr af +----------+ | +------+ we de na di wɔl | | | | | | | | | | +------+ we de na di wɔl | +-----------+ Kaviti Haf +------------+ | +------+ we de na di wɔl | | | | | | | | | | | | | | +------+ we de na di wɔl | +----------+ lida pin dɛn
Prɔpa intalɔk ɛn alaynɛshɔn dizayn na impɔtant tin. I de afɛkt mold pefɔmɛns ɛn pat kwaliti.
Tink bɔt dɛn tin ya:
Intalɔk ɛn alaynɛshɔn ficha dɛn fɔ bi prɛsis mashin. Dɛn kin nid tayt tolɛreshɔn, bɔku tɛm dɛn kin gɛt insay 0.0001 inch.
Di tin dɛn we dɛn yuz fɔ mek di tin dɛn fɔ mek dɛn nɔ west ɛn we go de fɔ lɔng tɛm. Di kɔmɔn tin dɛn we dɛn kin pik na tul stɛl dɛn we dɛn dɔn at ɔ we dɛn kin put kabayd insay.
I impɔtant fɔ mek dɛn mek am ɔltɛm. Di komponent dɛn we dɔn pwɛl ɔ we dɔn pwɛl kin mek alaynɛshɔn gɛt prɔblɛm. Dɛn fɔ chɛk dɛn ɛn put dɛn bak as nid de.
Prɔpa mold alaynɛshɔn de mek shɔ se di pat dɛn we nɔ de chenj, we gɛt ay kwaliti. Na wan fondamental aspek fɔ mold dizayn ɛn ɔpreshɔn.
Material selekshɔn fɔ injɛkshɔn mold kɔmpɔnɛnt dɛn .
Fɔ pik di rayt tin dɛn fɔ di injɛkshɔn mold kɔmpɔnɛnt dɛn rili impɔtant. I de afɛkt di mold pefɔmɛns, pat kwaliti, ɛn tul layf.
Di kɔmɔn tin dɛn we dɛn kin yuz fɔ mek mold na:
Ɛni matirial gɛt spɛshal prɔpati dɛn. Dɛn fit difrɛn mold rikwaymɛnt ɛn badjɛt.
Di men tin dɛn we wi fɔ tink bɔt na:
Strɔng ɛn at at .
Wear ɛn Kɔroshɔn Resistɛns .
Di kɔnduktiviti fɔ di tɛmral .
Machinabiliti fɔ di wan dɛn we de wok .
Pe
Na dis na wan kwik kɔmpiashɔn fɔ kɔmɔn mold matirial dɛn:
| matirial | trɛnk | wear resistans | tɛmral kɔnduktiviti |
| Tul Stiɛl . | Ay | Ay | Lukin-grɔn uman |
| Stenlɛs stiɛl . | Ay | Ay | Lo |
| Aluminium na di . | Lukin-grɔn uman | Lo | Ay |
| Kɔpa | Lo | Lo | Ay |
| Plastik mold stɛl . | Lukin-grɔn uman | Lukin-grɔn uman | Lukin-grɔn uman |
Di choice dipen pan di spesifik mold komponent en in function.
Fɔ ɛgzampul:
Mold bays dɛn kin yuz bɔku tɛm we dɛn kin yuz fɔ mek tul dɛn we dɛn dɔn pwɛl bifo tɛm fɔ mek dɛn gɛt trɛnk ɛn fɔ mek dɛn tinap tranga wan .
Kaviti ɛn kɔr kin nid fɔ gɛt had tul stɛl fɔ wɛr rɛsistɛns .
Ejector pin ɛn slayd dɛn kin bɛnifit frɔm taf, mɔ resilient stɛl dɛn
Dɛn kin yuz kɔpa alɔy fɔ insɛt fɔ mek dɛn kol .
Aluminium na kɔmɔn tin fɔ mek protɔtayp mold dɛn ridyus di kɔst ɛn lid tɛm .
Na sɔm tipik matirial rɛkɔmɛndishɔn dɛn:
| Kɔmpɔnɛnt | rɛkɔmɛnd matirial dɛn . |
| Mold bays . | P20, 4140, 420 stenless |
| Kaviti/Kɔr . | H13, S7, 420 Stainless |
| Ejector pins . | H13, m2, 420 stenless |
| Slayd dɛn/Lifta dɛn . | A2, D2, S7. |
| Insɛt dɛn . | Beryllium kɔpa, ampco alɔys . |
I impɔtant fɔ wok wit di wan dɛn we sabi mek mold. Dɛn kin ɛp fɔ pik di bɛst tin dɛn fɔ yu aplikeshɔn.
Di rayt we fɔ trit di ɔt na impɔtant tin bak. I de optimize matirial prɔpati fɔ mold pefɔmɛns ɛn lɔng layf.
Tink bɔt di tin dɛn we dɛn kin kɔt bak. Dɛn kin ɛp fɔ mek di we aw dɛn de west, di prɔpati dɛn we dɛn kin pul, ɛn di prɔtɛkshɔn we dɛn kin yuz fɔ kɔrɛshɔn.
Injekshɔn mold dizayn kɔnsidareshɔn dɛn .
Di rayt we fɔ mek di mold impɔtant fɔ mek dɛn ebul fɔ mek di injɛkshɔn moldin fayn fayn wan. I de mek shɔ se pat kwaliti, efyushɔn, ɛn tul lɔng layf.
Wan mold we dɛn dɔn mek fayn fayn wan fɔ:
Prodyuz kɔnsistɛns, ay kwaliti pat dɛn .
Optimayz saykl tɛm ɛn prodaktiviti .
Minimize skrap ɛn riwɔk .
Fasilitayt izi mentenɛns ɛn ripɛnt .
Bɔku tin dɛn kin afɛkt di we aw dɛn mek di mold:
Pat Jɔyometri:
shep, saiz, ɛn kɔmplisiti .
Di tik we di wɔl tik ɛn di wan we yunifom .
Draft angles ɛn ɔnda-kɔt dɛn .
Di prɔpati dɛn we dɛn gɛt:
Di volyum we dɛn mek fɔ mek di fim:
Di bɛst we fɔ du injɛkshɔn mold dizayn na:
Simplify Part Geometri usay i pɔsibul .
Mentɛn yunifom di wɔl tik .
Ad di rayt draft angul dɛn (1-2° minimum)
Avɔyd shap shap kɔna ɛn ed dɛn .
Yuz raun ɔ oval kɔr instead ɔf flat .
Minimayz ɔnda-kat ɛn sayd akshɔn dɛn .
Optimize Gate Locations ɛn di kayn dɛn .
Balans Runner Systems fɔ ivin filin .
Inkorporet efishɔnal kɔling chanɛl dɛn .
Plan fɔ Ejɛkshɔn ɛn Pat Rimov .
Alaw fɔ mek yu gɛt di rayt ventin .
Dizayn fɔ Manufakchurabiliti ɛn Mentɛnabiliti .
Na dis na wan chɛklist fɔ di ki dizayn kɔnsidareshɔn dɛn:
[ ] Pat jɔyometri rivyu ɛn ɔptimayz [ ] matirial sɛlɛkt ɛn prɔpati dɛn we dɛn tek [ ] prodakshɔn rikwaymɛnt ɛn badjɛt difayn [ ] draft angul dɛn we dɛn ad to ɔl di sɔfays dɛn [ ] wɔl tiknɛs we dɛn analayz ɛn adjɔst [ ] get we dɛn spɛsifa [ ] rɔna sistɛm balans ɛn saiz [ ] kɔling sistɛm we dɛn mek fɔ yunifot ɛn we dɛn dɔn ad pan di wan dɛn we de na di yunifot ɛn we dɛn dɔn mek fɔ mek dɛn nɔ gɛt di rayt fɔ du ɛn we dɛn dɔn. [ ] Mentɛnabiliti ɛn tul layf we dɛn dɔn tink bɔt .
I impɔtant fɔ involv ɔl di wan dɛn we gɛt fɔ du wit di dizayn prɔses. Dis inklud di wan dɛn we de mek di prɔdak, di wan dɛn we de mek mold, ɛn di wan dɛn we de mek prodakshɔn injinia dɛn.
Simyuleshɔn tul dɛn lɛk mold flɔ analisis kin ɛp fɔ optimize dizayn dɛn. Dɛn kin tɔk se dɛn fɔ ful-ɔp, kol, ɛn mek dɛn biev di we aw dɛn de fɛt wɔ.
Prototyping ɛn tɛst bak na impɔtant tin. Dɛn de validet dizayn asɔmpshɔn dɛn ɛn no di prɔblɛm dɛn we kin apin.
Mentɛnans ɛn trɔbulshut fɔ injɛkshɔn mold dɛn .
Di rayt we fɔ mek dɛn mek di injɛkshɔn mold dɛn fayn fayn wan. I de mek shɔ se i de du di sem tin ɛn i de liv lɔng.
Di wok dɛn we dɛn kin du ɔltɛm na:
Klin mold surface ɛn vent dɛn .
LUBRIKƐT MUvin Kɔmpɔnɛnt dɛn .
Inspekshɔn fɔ wɛr ɔ damej .
chɛk alaynɛshɔn ɛn patin layn fit .
Testing Cooling ɛn Ejection Systems .
Dokumɛnt ɛni isyu ɔ ripɛnt .
Establish wan prɛvɛntiv mentenɛns schedule. Dis kin bi bay we dɛn de yuz sayklɔs, awa, ɔ kalenda intaval.
Kip ditayli rɛkɛd fɔ ɔl di mentenɛns aktiviti dɛn. Dis kin ɛp fɔ trak di mold pefɔmɛns ɛn no di prɔblɛm dɛn we kin apin.
Di kɔmɔn tin dɛn we kin apin we dɛn de wok na:
Flash ɔ Burrs na pat dɛn .
Short shot or incomplete filling .
Bɔn mak ɔ diskɔlɔreshɔn .
Warpage ɔ dimɛnshɔnal inkɔnsistens .
Stik ɔ Ejɛkshɔn Difikulti .
Lik ɔ blok na layn dɛn we de kol .
Trobul fɔ sɔlv di prɔblɛm na fɔ sɔlv prɔblɛm dɛn we dɛn kin yuz fɔ sɔlv prɔblɛm dɛn:
Sho di prɔblɛm ɛn di tin dɛn we de sho se i gɛt di sik .
Gayd data ɛn analayz di prɔses paramita dɛn .
Inspek mold komponent fɔ damej ɔ wear .
Mek di ajɔstmɛnt ɔ ripɛnt dɛn we nid fɔ apin ɔ fɔ mek dɛn chenj dɛn .
Test ɛn validet di sɔlv .
Dokumɛnt di tin dɛn we dɛn dɔn fɛn ɛn di tin dɛn we dɛn dɔn du .
Na sɔm advays dɛn fɔ mek yu gɛt mɔl fɔ lɔng tɛm:
| Tip | Ɛksplen |
| Yuz di rayt tin dɛn fɔ yuz . | Pik di rayt mold stɛl ɛn kɔtin dɛn . |
| Fɔ fala di we aw dɛn de du di wok fɔ du di wok . | Adara to di paramita dɛn we dɛn dɔn rɛkɔmɛnd fɔ di matirial . |
| Du ɔltɛm mentenɛns . | Klin, lɔbrik, ɛn inspɛkt mold kɔmpɔnɛnt dɛn |
| Fɔ tek tɛm ol di mold dɛn . | Yuz di rayt we fɔ es ɛn kip di we aw dɛn de kip am . |
| Di wan dɛn we de wok fɔ tren pipul dɛn fayn fayn wan . | Mek shɔ se dɛn sɛtup di mold kɔrɛkt wan ɛn di we aw dɛn de wok . |
| Monitor proses klos wan . | Kech ɛn adrɛs di prɔblɛm dɛn kwik kwik wan . |
| Yuz Mold Protekshɔn . | Aplay rɔst prɛvɛntiv ɛn stoa na kɔntrol ɛnvayrɔmɛnt . |
Minimizing downtime na di ki fɔ prodaktiviti. Strateji dɛn na:
Kip spay pat dɛn na yu an .
Krɔs-trenin mentenɛns wokman dɛn .
Implimɛnt kwik-chenj sistem dɛn .
Yuz modular mold dizayn dɛn .
Monitoring molds wit sensor ɛn alarm dɛn .
Skedulin Mentɛnans di tɛm we dɛn nɔ de wok fɔ ɔda tɛm .
Fɔ mek dɛn mek di mold fayn fayn wan na wok we dɛn de du na di tim. I nid fɔ wok togɛda bitwin prodakshɔn, mentenɛns, ɛn injinɛri.
Invɛstmɛnt insay trenin ɛn tul dɛn de pe fɔ am. I de ridyus skrap, impruv kwaliti, ɛn maksimayz aptaym.
Trit yu mold dɛn lɛk valyu tin dɛn. Wit kia ɛn atɛnshɔn, dɛn go deliv kɔnsistɛns pefɔmɛns fɔ ia dɛn we de kam.
Dɔn
Fɔ ɔndastand di pat dɛn na injɛkshɔn mold rili impɔtant. Wi dɔn kɔba di men tin dɛn lɛk klem plet, sprue bushing, ɛn cavities. Ɛni pat de ple impɔtant pat fɔ mek dɛn mek ay kwaliti plastic pat dɛn.
We dɛn no dɛn tin ya, dat de mek shɔ se dɛn prodyuz fayn fayn wan. I de ɛp fɔ sɔlv prɔblɛm ɛn optimize di injɛkshɔn moldin prɔses.
Team MFG na profeshɔnal injɛkshɔn mold manifakta wit ɛkspiriɛns tɛknikal tim ɛn advans prodakshɔn ikwipmɛnt. Wi kin gi yu kɔstɔmayt, ay kwaliti, ɛn kɔst-ɛfɛktiv injɛkshɔn mold sɔlvishɔn dɛn we dɛn mek fɔ yu nid dɛn. Send wi yu prodakt dizayn drɔin dɛn , ɛn lɛ wi ɛp fɔ mek yu prɔjek bi sakses!
