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Plastik prodakt de evriwe, bot dizain dem no simpul. Aw injinia dɛn kin balans trɛnk, kɔst, ɛn prodakshɔn efyushɔn? Dis atikul go sho di kɔmplisiti dɛn biɛn di strɔkchɔral dizayn fɔ plastic prɔdak dɛn. Yu go lan di men tin dɛn, lɛk di tik we de na di wɔl, di rib dɛn we de mek yu gɛt mɔ trɛnk, ɛn ɔda tin dɛn, we de mek plastic pat dɛn we go de fɔ lɔng tɛm ɛn we nɔ go tek bɔku mɔni.
Plastik matirial dɛn de gi yunik prɔpati ɛn versatile shep opshɔn dɛn, we de sɛt dɛn apat frɔm kɔvɛnshɔnal injinɛri matirial dɛn lɛk stɛl, kɔpa, aluminiɔm, ɛn wud. Dis difrɛn kɔmbaynshɔn fɔ matirial kɔmpɔzishɔn ɛn fɔmabiliti de gi plastic wan ay digri fɔ dizayn fleksibiliti kɔmpia to dɛn kɔmpin dɛn.
Di difrɛn difrɛn plastic matirial dɛn, ɛni wan wit in patikyula prɔpati dɛn, de alaw dizayna dɛn fɔ tayla dɛn chuk akɔdin to di prɔdak in rikwaymɛnt dɛn. Dis variety, kɔpl wit di abiliti fɔ mol plastic dɛn insay intrikɛt shep dɛn, de mek dɛn ebul fɔ mek kɔmpleks jɔyometri ɛn funkshɔn ficha dɛn we go chalenj ɔ nɔ prɛktikal wit ɔda matirial dɛn.
Fɔ leva di advantej dɛm fɔ plastic ɛn mek shɔ se di bɛst strɔkchɔral dizayn, i impɔtant fɔ fala wan sistamɛtik apɔch. Di jenɛral prosidur fɔ plastic pat dizayn involv sɔm ki stej dɛn:
Ditarmin di funkshɔn rikwaymɛnt ɛn di we aw di prɔdak de luk:
Identify di prodakt in intended use ɛn nesiseri functions .
Difayn di aesthetic apil ɛn vijual kwaliti dɛn we yu want ɛn di kwaliti dɛn we yu want .
Draw prɛliminari dizayn drɔin dɛn:
Krio initial skech ɛn CAD mɔdel dɛn bays pan di funkshɔn ɛn aestɛtik rikwaymɛnt dɛn .
Tink bɔt di tin dɛn we dɛn dɔn pik fɔ di plastic matirial in prɔpati dɛn we dɛn de du di dizayn prɔses .
Protɔtayp:
Prodyuz fyzikal protɔtayp dɛn we de yuz mɛtɔd dɛn lɛk 3D printin ɔ . CNC MACHINING .
Evaluate di prototype in funkshɔnaliti, ergonomics, ɛn ɔvalayn dizayn
Prodakt tɛst: .
Kɔndɔkt strɔng tɛst fɔ asɛs di prɔdak in pefɔmɛns ɔnda difrɛn kɔndishɔn dɛn .
Verifay if di dizayn mit di spɛsifikɛd fɛnshɔnal rikwaymɛnt ɛn sefty standad dɛn .
Dizayn Rikalibreshɔn ɛn Rivishɔn:
Analayz di tɛst rizɔlt ɛn no di say dɛn we dɛn go impruv .
Mek nid fɔ ajɔst dizayn fɔ mek dɛn ebul fɔ du mɔ, fɔ mek dɛn ebul fɔ abop pan dɛn, ɔ fɔ mek dɛn ebul fɔ du tin fayn fayn wan.
Divɛlɔp impɔtant spɛsifikɛshɔn dɛn:
Krio ditayl spesifikeshɔn fɔ di fayn prodak, inklud dimɛnshɔn, tolɛreshɔn, ɛn matirial gred
Mek shɔ se di spɛsifikɛshɔn dɛn alaynɛd wit di manufakchurin prɔses ɛn kwaliti kɔntrol standad dɛn .
Opin mold prodakshɔn:
Disain ɛn fabrik di injɛkshɔn mold bays pan di faynlayz prodak spɛsifikɛshɔn dɛn .
Optimize di mold dizain fɔ efishɔnal matirial flɔ, kol, ɛn ejekshɔn
Kwaliti Kɔntrol:
Establish wan robust kwaliti kɔntrol sistem fɔ monitar ɛn mentein prodak kɔnsistɛns
Inspek di pat dɛn we dɛn mek ɔltɛm fɔ mek shɔ se dɛn mit di tin dɛn we dɛn dɔn tɔk bɔt .
Di tik we di wɔl tik de ple wan impɔtant pat pan di plastic prodak dizayn. Prɔpa tiknɛs de mek shɔ se di bɛst pefɔmɛns, manufakchurabiliti, ɛn kɔst-ɛfɛktiv.
plastic material | minim (mm) | Smɔl pat (mm) | midul pat (mm) | Big pat (mm) |
---|---|---|---|---|
Naylon . | 0.45 | 0.76 | 1.5 | 2.4-3.2. |
PE . | 0.6 | 1.25 | 1.6 | 2.4-3.2. |
PS . | 0.75 | 1.25 | 1.6 | 3.2-5.4 Di wan dɛn we de wok. |
PMMA . | 0.8 | 1.5 | 2.2 | 4-6.5. |
PVC we de na di . | 1.2 | 1.6 | 1.8 | 3.2-5.8 Di wan dɛn we de wok. |
PP we de na di . | 0.85 | 1.54 | 1.75 | 2.4-3.2. |
PC . | 0.95 | 1.8 | 2.3 | 3-4.5. |
Pom na di 1999. | 0.8 | 1.4 | 1.6 | 3.2-5.4 Di wan dɛn we de wok. |
ABS na ABS | 0.8 | 1 | 2.3 | 3.2-6. |
Plastik Matirial Prɔpati dɛn .
shrinkage rate .
Fluiditi di tɛm we dɛn de injɛkshɔn moldin .
Ekstanshal fos dɛn we dɛn dɔn bia wit .
Big big fɔs dɛn nid fɔ gɛt tik tik wɔl dɛn .
Tink bɔt mɛtal pat ɔ trɛnk chɛk fɔ spɛshal kes dɛn .
Sefty Rigyuleshɔn .
Prɛshɔn rɛsistɛns rikwaymɛnt dɛn .
Flamabiliti standad dɛn .
Riinfɔs rib dɛn de ɛp fɔ mek trɛnk nɔ bɔku we dɛn nɔ de inkrisayz di ɔl di wɔl tik, i de mek di prɔdak difɔmeshɔn nɔ de, ɛn i de mek di strɔkchɔral intɛgriti bɛtɛ.
Tik: 0.5-0.75 tɛm di ɔl di wɔl tik (dɛn kin tɔk bɔt am: <0.6 tɛm)
Ayt: I nɔ rich 3 tɛm tik tik .
Spays: Big pas 4 tɛm di wɔl tiknes
Avɔyd matirial akyumyuleshɔn na rib intasekshɔn .
Mentɛn pɔrpindikul to ɔda wɔl dɛn .
Minimize ribs we de riinfos pan stip slopes .
Tink bɔt di we aw di tin dɛn we de apin na di si we di sink mak dɛn de apin .
Draft Angles Fasilitet izi pat rimobul frɔm mold, mek shɔ se smol prodakshɔn ɛn ay-kwaliti pat.
matirial | mold kor | mold cavity |
---|---|---|
ABS na ABS | 35'-1° Di wan dɛn we de na di wɔl. | 40'-1°20'. |
PS . | 30'-1° we yu de | 35'-1°30'. |
PC . | 30'-50'. | 35'-1° Di wan dɛn we de na di wɔl. |
PP we de na di . | 25'-50'. | 30'-1° we yu de |
PE . | 20'-45'. | 25'-45' |
PMMA . | 30'-1° we yu de | 35'-1°30'. |
Pom na di 1999. | 30'-1° we yu de | 35'-1°30'. |
PA . | 20'-40'. | 25'-40'. |
HPVC na di . | 50'-1°45' | 50'-2° we yu de |
SPV . | 25'-50'. | 30'-1° we yu de |
CP . | 20'-45'. | 25'-45' |
Pik smɔl smɔl angul dɛn fɔ glos sɔfays ɛn ay-prɛsishɔn pat dɛn .
Yuz big angul fɔ pat dɛn we gɛt ay shrinkage rates
Inkris draft fɔ transparent pat dɛn fɔ mek dɛn nɔ skrach .
Adjɔst angul bays pan tɛkstɔr dip fɔ tɛkstɔr sɔfays dɛn .
Raun kɔna dɛn kin ridyus di kɔnsɛntreshɔn fɔ strɛs, i kin mek am izi fɔ mek plastic flɔ, ɛn i kin izi fɔ pwɛl.
Intanɛt Kɔna Radius: 0.50 to 1.50 tɛm matirial tiknes
Minimum radius: 0,30mm
Mentɛn yunifom wɔl tik we yu de disayn rawnd kɔna dɛn .
Avɔyd rawnd kɔna dɛn pan mold pating surfaces .
Yuz minimum 0.30mm radius fɔ edj fɔ mek yu nɔ skrach .
Ɔl dɛn de du difrɛn wok dɛn na plastic prɔdak ɛn dɛn nid fɔ tek tɛm tink bɔt aw fɔ disayn.
Distεns bitwin ol dεm (a): ≥ D (hol dayamita) if d < 3.00mm; ≥ 0,70d if d > 3,00mm
Distans frɔm ol to ɛj (b): ≥ D
Blaynd ol dip (a): ≤ 5d (dɛn kin kɔmɛnt am wan < 2d)
Di dip we de tru di ol (b): ≤ 10d
Step Hols: Yuz bɔku bɔku koaksial kɔnɛkt ol dɛn we gɛt difrɛn dayamita dɛn .
Angled holes: Align aks wit mold opin direkshɔn we i pɔsibul we i pɔsibul
Sayd ol ɛn indenteshɔn: Tink bɔt di kɔr pul strɔkchɔ ɔ dizayn improvements
Bɔs dɛn kin gi asɛmbli pɔynt dɛn, sɔpɔt ɔda pat dɛn, ɛn ɛp fɔ mek di strɔkchɔral intɛgriti bɛtɛ.
Ayt: ≤ 2.5 tɛm di bɔs dayamita
Yuz riinfɔsmɛnt rib ɔ ataya to ɔta wɔl dɛn we i pɔsibul .
Disain fɔ smol plastic flɔ ɛn izi fɔ pwɛl .
ABS: Ɔta dayamita ≈ 2x insay dayamita; Yuz Beveled Ribs fɔ Strɔng .
PBT: bays dizayn pan rib kɔnsɛpt; Kɔnekt to saydwɔl dɛn we i pɔsibul .
PC: Intalɔk sayd bɔs dɛn wit rib; Yuz fɔ Asɛmbli ɛn Sɔpɔt .
PS: Ad ribs fɔ mek i strɔng; Kɔnekt to saydwɔl dɛn we de nia de
PSU: Ɔta dayamita ≈ 2x insay dayamita; Ayt ≤ 2x ɔda dayamita .
Inserts Enhans functionality, gi decorative elements, ɛn impruv assembly options in plastic parts.
Manufacturability: Kompatibl wit kot ɔ stamp prɔses .
Mekanikal Strɔng: Naf Matirial ɛn Dimɛnshɔn dɛn .
Bɔndin Strɔng: Adekwat sɔfayz ficha fɔ sikyuɔr atakshɔn .
Pozishɔn: Silindrikal ɛkstend pat fɔ izi mold plesmɛnt
Flash Prevention: Inklud silin Boss strɔkchɔ dɛn .
Pɔst-prɔsɛsin: Dizayn fɔ sɛkɔndari ɔpreshɔn (thrɛd, kɔt, flanging)
Mek shɔ se yu put di rayt pozishɔn insay di mold dɛn .
Krio strɔng kɔnɛkshɔn wit pat dɛn we dɛn dɔn mol .
Prɛvent plastic lik arawnd insɛt .
Tink bɔt di difrɛns bitwin di tɛmal ɛkspɛnshɔn bitwin di insɛt ɛn di plastic matirial .
Dɛn kin mek plastic prodak sɔfays dɛn wit difrɛn tɛkstɔr dɛn fɔ mek dɛn ebul fɔ du mɔ fayn fayn tin dɛn, fɔ wok fayn fayn wan, ɛn fɔ mek dɛn ebul fɔ yuz di tin dɛn we dɛn de yuz. Kɔmɔn sɔfays tɛkstɔr dɛn inklud:
Fayn
Spark-eched .
Patterned etched na
Engraved .
Smɔl smɔl tin dɛn we de ɔp di grɔn kin kɔmɔt frɔm di polish mold sɔfays dɛn. Dɛn kin gi:
Klin, slip apinans .
I izi fɔ pul pat kɔmɔt na di mol .
Di tin dɛn we dɛn nid fɔ du fɔ mek di draft angul nɔ bɔku .
Krio tru kɔpa EDM prɔsesin fɔ di mold kaviti, spak-ɛt sɔfays dɛn de gi:
Yunik, subtil tɛkstɔr
Impruv grip .
Ridyus di visibiliti fɔ di sɔfayz impɛrɛfɛkshɔn dɛn .
Dɛn sɔfays ya gɛt difrɛn patɛn dɛn we dɛn etch insay di mold kaviti, we de gi:
Dizayn dɛn we dɛn kin kɔstɔmayz .
Enhansed prodakt difrɛns .
Impɔtant Taktil Prɔpati dɛn .
Dɛn kin mek sɔfays dɛn we dɛn rayt bay we dɛn de mek dɛn bay dairekt mashin patɛn dɛn insay di mol, we de alaw fɔ:
Dip, difrɛn tɛkstɔr dɛn .
Kɔmpleks dizayn dɛn .
Durability of surface features .
We yu de disayn tɛkstɔr sɔfays dɛn, tink bɔt fɔ inkrisayz draft angul dɛn fɔ mek i izi fɔ mek dɛn ebul fɔ pul pat pan di tin dɛn we dɛn de yuz fɔ mek pat:
di dip we | dɛn tek di tɛkstɔr we dɛn kin yuz fɔ mek dɛn gɛt ɔda draft angul . |
---|---|
0,025 mm | 1° . |
0,050 mm | 2° . |
0,075 mm | 3° . |
> 0,100 mm | 4-5° . |
Bɔku tɛm, plastic prɔdak dɛn kin put tɛks ɛn pɔtn fɔ mek dɛn gɛt brand, instrɔkshɔn, ɔ tin dɛn we dɛn kin yuz fɔ mek di ples fayn. Dɛn kin rayz dɛn ɛlimɛnt ya ɔ dɛn kin rayz dɛn.
Rikɔmɛndishɔn: Yuz di say dɛn we dɛn rayz fɔ tɛks ɛn patɛn we i pɔsibul.
Di bɛnifit dɛn we di say dɛn we dɛn dɔn rayz de gi:
Simplified mold prɔsesin .
I izi fɔ mek dɛn mek di mold mentenɛns .
Enhansed legibility .
Fɔ dizayn dɛn we nid fɔ gɛt flush ɔ recessed ficha dɛn:
Krio wan eria we dɛn dɔn rɛs .
rayz tɛks ɔ patɛn insay di rɛs .
Mentɛn ɔl di flush apinans we yu de simpul mold dizayn .
Ficha | Rikɔmɛnd Dimɛnshɔn |
---|---|
Ayt/dipth . | 0,15 - 0,30 mm (raised) |
0.15 - 0,25 mm (we dɛn gi di mɔni) |
Fɔ fala dɛn gaydlain ya fɔ di bɛst tɛks dizayn:
Stroke wit (a): ≥ 0,25 mm
Spays bitwin aks (b): ≥ 0.40 mm
Distans frɔm aks to ɛj (c, d): ≥ 0.60 mm
Avɔyd shap angul dɛn na tɛks ɔ patɛn .
Mek shɔ se saiz fayn fɔ moldin prɔses .
Tink bɔt di impak we tɛks/patna gɛt pan ɔl di pat trɛnk
Evaluate di effekt we tɛks/patna gɛt pan matirial flɔ di tɛm we dɛn de mol di moldin .
Riinfɔsmɛnt strɔkchɔ dɛn de ple wan impɔtant pat fɔ ɛp fɔ mek di ɔl di wok we dɛn de du fɔ di plastic prɔdak dɛn, go bifo. Dɛn kin rili ɛp fɔ mek trɛnk, stiffnɛs, ɛn dimɛnshɔnal stebiliti.
Strɔng ɛnhansmɛnt .
Stifnɛs Improvement .
Di we aw dɛn de mek pipul dɛn nɔ gɛt wɔpin .
Difɔmeshɔn ridyushɔn .
Di tik we di wɔl tik: 0.4-0.6 tɛm di men bɔdi tiknes
Spays: > 4 tɛm men bɔdi tiknes
Ayt: < 3 tɛm men bɔdi tiknes
Skru Kɔlɔm Riinfɔsmɛnt: at le 1.0mm dɔŋ di kɔlɔm sɔfays
Jɛnɛral riinfɔsmɛnt: Minimum 1.0mm dɔŋ pat sɔfa ɔ pat layn
Misaligned reinforcement bars fɔ mek dɛn nɔ bil bɔku bɔku tin dɛn .
Holo strɔkchɔ dɛn na riinfɔsmɛnt intasekshɔn dɛn .
Tɛnshɔn-bɛs dizayn fɔ slɛnd riinfɔsmɛnt dɛn .
Stret konsantreshɔn kin rili impɔk di strɔkchɔral intɛgriti ɛn lɔng layf fɔ plastic prɔdak dɛm. Di rayt we aw dɛn mek di dizayn kin mek dɛn tin ya stɔp dɛn tin ya.
Ridyus Pat Strɔng .
Inkris risk fɔ krak initieshɔn .
Pɔtɛnɛshɔn fɔ mek dɛn nɔ wok bifo tɛm .
Chamfers na di .
Raun Kɔna dɛn .
Gentle slopes fɔ transishɔn dɛn .
Inward hollowing na shap kɔna dɛn .
Tɛknik | Diskripshɔn bɛnifit | bɛnifit . |
---|---|---|
Chamfers na di . | Ej dɛn we dɛn dɔn bɛvɛl . | smɔl smɔl strɛs distribyushɔn . |
Raun Kɔna dɛn . | Kerv transishɔn dɛn . | I de pul shap strɛs pɔynt dɛn . |
Slɔp dɛn we nɔ gɛt saful saful . | Smɔl smɔl tik dɛn de chenj . | Ivin strɛs distribyushɔn . |
Inward Hollowing . | Material removal na kɔna dɛn . | Localized strɛs ridɔkshɔn . |
Draft angles na impɔtant tin fɔ saksesful pat ɛjekshɔn frɔm mold. Dɛn signifyantli impɔk pat kwaliti ɛn prodakshɔn efyushɔn.
Yuz wan ol nɔmba angul dɛn (ɛgz., 0.5°, 1°, 1.5°)
Ekstirian angles > intɛriɔ angul dɛn .
Maksimayz angul dɛn we nɔ gɛt kɔmprɔmis apinans .
pat dip .
Surface Finish .
Material Shrinkage Rɛt .
Tekstura dip .
Material | Recommended Draft Angle Rɛnj |
---|---|
ABS na ABS | 0,5° - 1° |
PC . | 1° - 1,5° . |
PP we de na di . | 0,5° - 1° |
PS . | 0,5° - 1° |
ANIMAL WE YU GI NEM | 1° - 1,5° . |
Efisiɛns mold dizayn impɔtant fɔ saksesful plastic pat prodakshɔn. Tink bɔt dɛn aspek ya fɔ mek ɔl tu di pat ɛn di mold dizayn fayn.
Simplify pat jɔyometri .
Ridyus di ɔnda-kɔt dɛn .
Minimayz sayd akshɔn dɛn .
Eliminet ficha dɛn we nid kɔmpleks kɔr pul dɛn .
Disain fɔ split-layn aksessibiliti .
Alaw inof ples fɔ mek di slayd dɛn muv .
Disain di rayt say dɛn we dɛn kin stɔp fɔ wok .
Optimize pat orientation in di mold .
Bɔku plastic dɛn de sho nɔ-isotropik prɔpati dɛn, we nid spɛshal dizayn kɔnsidareshɔn fɔ maksimayz pefɔmɛns.
Orient mold gets fɔ promot fayn fayn flɔ patɛn dɛn .
Tink bɔt fayv ɔriɛnteshɔn insay riinfɔs plastic dɛn .
Dizayn fɔ Fɔs Pɛrpindikul ɔ Angled to Weld Layn dɛn .
Avɔyd paralel fɔs to fushɔn layn fɔ mek wi nɔ wik .
Ifɛktiv asɛmbli dizayn de mek shɔ se di prɔdak de wok, i go liv lɔng, ɛn i izi fɔ mek am.
Brek big pat dɛn to smɔl smɔl tin dɛn .
Yuz di rayt tolɛreshɔn stak dɛn .
Prioritize shear force ova tearing tension .
Inkris di Bonding Surface Eria .
Tink bɔt aw fɔ yuz di kemikal dɛn we dɛn kin yuz fɔ mek tin dɛn we dɛn kɔl adhesives .
Yuz Inserts fɔ gɛt ay-stress kɔnɛkshɔn .
Dizayn aprɔpriet bɔs strɔkchɔ dɛn .
Tink bɔt di difrɛns bitwin di tɛmal ɛkspɛnshɔn .
Insay plastic prodakt dizayn, ki strɔkchɔral factor dɛm lɛk wɔl tik, riinfɔs rib dɛm, ɛn draft angul dɛm impɔtant fɔ durabiliti ɛn pefɔmɛns. I impɔtant fɔ tink bɔt matirial prɔpati, mold strɔkchɔ, ɛn asɛmbli nid ɔlsay na di prɔses. Prɔpa strɔkchɔral dizayn nɔ jɔs de ɛp fɔ mek di prɔdak wok fayn bɔt i de ridyus di prɔblɛm dɛn ɛn di kɔst fɔ mek tin dɛn. Bay we dɛn de pe atɛnshɔn pan dɛn dizayn ɛlimɛnt dɛn ya, di wan dɛn we de mek dɛn kin mek shɔ se dɛn gɛt ay kwaliti, kɔst-ɛfɛktiv plastic pat dɛn we de mit ɔl tu di funkshɔnal ɛn aestɛtik rikwaymɛnt dɛn.
Team MFG na wan rapid manufakchurin kompini we spɛshal pan ODM ɛn OEM bigin insay 2015.