Shin Juyawa Juyawa Daidai A gare ku?

Don haka kuna buƙatar ɓangaren filastik ko samfur na al'ada, amma ba ku san yadda ake yin sa ba.

Shin babba ne ko karami?Ya kamata ya zama mai sassauƙa ko tauri?Shin zagaye ne, murabba'i, ko wani siffa mai ban mamaki?Shin kuna da mold, ko kuna buƙatar yin ɗaya?

Wannan jagorar zai bayyana nau'ikan hanyoyin gyare-gyare daban-daban da ake da su a yau don taimaka muku gano ingantaccen tsari don samfurin ku.

Menene Filastik Molding?

Yin gyare-gyare, wanda kuma wani lokaci rubutaccen gyare-gyare, shine tsarin kera ta hanyar siffata ruwa ko abin da za a iya jujjuyawa ta amfani da firam mai tsauri da ake kira mold ko matrix.

Lokacin yin gyare-gyaren robobi, foda ko polymer ruwa kamar polyethylene ko polypropylene ana sanya su a cikin wani mold don haka polymer zai iya ɗaukar siffarsa.Dangane da nau'in tsari da aka yi amfani da shi, ana amfani da nau'o'in zafi da matsa lamba don ƙirƙirar samfurin ƙarshe.

Tarihin Filastik Molding

An fara gyare-gyaren filastik a ƙarshen shekarun 1800 don cike buƙatun buƙatun ƙwallo na billiard na filastik sabanin ƙwallayen billiard na hauren giwa da aka saba amfani da su na lokacin.A shekara ta 1868, John Wesley Hyatt ya ƙirƙira hanyar yin ƙwallo na billiard ta hanyar allurar celluloid a cikin wani tsari.Shekaru hudu bayan haka, Hyatt da ɗan'uwansa sun ƙirƙira kuma suka ba da izinin na'ura don sarrafa tsarin.Wannan ita ce na'ura mai yin gyare-gyaren filastik ta farko da ta wanzu kuma ta yi amfani da na'ura mai mahimmanci don allurar robobi ta cikin silinda mai zafi.

A cikin 1946, James Hendry ya ƙirƙira na'urar yin gyare-gyaren dunƙule, wanda ya maye gurbin dabarar allurar plunger.Wannan ita ce dabarar da aka fi amfani da ita a yau.

Har ila yau, gyare-gyaren jujjuyawa na zamani yana da tarihin tarihi wanda ya fara a 1855 lokacin da aka yi amfani da juyawa da zafi don samar da harsashi na karfe a Biritaniya.

An shigar da robobi a cikin wannan tsari a farkon shekarun 1950, lokacin da aka fara amfani da gyare-gyaren juyawa don kera kawunan tsana.Sa'an nan kuma a cikin 1960s an haɓaka tsarin zamani na gyaran gyare-gyaren juyawa wanda ke ba mu damar ƙirƙirar manyan kwantena masu tsarki tare da ƙananan polyethylene.A cikin tarihin kwanan nan, gyare-gyaren tsari, ingantattun kayan aiki, da haɓakar foda na filastik sun haɓaka aikin ƙirƙirar samfuran da aka gama wanda ya haifar da gyare-gyaren juyawa don girma cikin sauri cikin shahara.

Nau'in Gyaran Filastik

Shahararrun fasahohin da ake yin gyare-gyaren filastik sune gyare-gyaren juyawa, gyaran allura, gyare-gyaren busa, gyare-gyaren matsawa, gyare-gyaren extrusion, da thermoforming.Za mu rufe duk waɗannan fasahohin a cikin wannan jagorar don taimaka muku gano mafi kyawun tsari don yin sashinku ko samfur.

Juyawa Molding

Rotational Molding, wanda kuma ake kira rotomolding, tsari ne na masana'antu don samar da manyan sassa da samfura ta hanyar sanya foda ko guduro ruwa a cikin injin karfe da jujjuya shi a cikin tanda har sai guduro ya rufe ciki.Juyawa akai-akai na mold yana haifar da ƙarfin centrifugal yana samar da samfuran ko da bango.Da zarar ƙirar ta yi sanyi, ana cire robobi mai tauri daga cikin ƙirar.

Abu kaɗan ne ke ɓarna a lokacin aikin, kuma ana amfani da abubuwan da suka wuce gona da iri sau da yawa, yana mai da shi tattalin arziƙi da abokantaka.

Amfanin gama gari don Gyaran Juyawa

Ana amfani da gyare-gyaren jujjuyawa don yin manyan samfuran filastik maras tushe kamar motocin amfani, tankunan ajiya, sassan mota, buoy ɗin ruwa, gidajen dabbobi, kwandon sake yin amfani da su, mazugi na hanya, kwandon kayak, da zane-zanen filin wasa.

Juyawa Molds Suna da Kyau Mai Kyau Kuma Mai Tasirin Kuɗi

Tsarin kanta na iya zama mai rikitarwa sosai don sauƙaƙe gyare-gyaren samfura da yawa.Molds na iya haɗawa da abin sakawa, lanƙwasa, da kwane-kwane gami da tambura da ramummuka don abin da ake saka filastik ko ƙarfe da za a sanya bayan an ƙera samfur.

Farashin kayan aiki ya yi ƙasa da gyare-gyaren juyawa fiye da allura ko busawa.Sakamakon ya kasance ƙananan farashin farawa da samar da ingantaccen farashi ko da lokacin samar da ƙarancin abubuwa 25 a lokaci ɗaya.

Injection Molding

Yin gyare-gyaren allura shine tsarin yin sassa na filastik na al'ada ta hanyar allura narkakkar kayan filastik a babban matsi a cikin ƙirar ƙarfe.Kamar dai sauran nau'ikan gyare-gyaren filastik, bayan an yi wa narkakken robobin allurar a cikin kwandon, sai a sanyaya gyaggyarawa a buɗe don bayyana wani ɓangaren roba mai ƙarfi.

Tsarin yana kama da nau'in Jello wanda aka cika sannan aka sanyaya don ƙirƙirar samfurin ƙarshe.

Amfanin gama gari don gyare-gyaren allura

Ana amfani da gyare-gyaren allura da yawa don yin manyan sassan filastik na al'ada.Manyan injunan gyare-gyaren allura suna iya ƙera sassan mota.Ƙananan injuna na iya samar da ingantattun sassa na filastik don aikace-aikacen tiyata.Bugu da ƙari, akwai nau'o'in resin filastik da ƙari da yawa waɗanda za a iya amfani da su a cikin tsarin gyaran allura, yana ƙaruwa da sassauci ga masu zanen kaya da injiniyoyi.

Abubuwan allura, waɗanda galibi ana yin su daga ƙarfe ko aluminum, suna ɗaukar tsada mai tsada.Koyaya, farashin kowane sashi yana da matukar tattalin arziki idan kuna buƙatar sassa dubu da yawa a kowace shekara.

Tare da gyaran allura, kayan aiki yawanci yana ɗaukar makonni 12-16 tare da ƙarin makonni huɗu don samarwa.

Blow Molding

Busa gyare-gyare hanya ce ta yin fake, bakin bango, sassa na filastik na al'ada.An yi amfani da shi da farko don yin samfurori tare da kauri na bango na uniform kuma inda siffar ke da mahimmanci.Tsarin yana dogara ne akan ƙa'ida ɗaya da busa gilashi.

Busa injinan gyare-gyare suna zafafa robobi kuma suna allurar iska tana hura robobin zafi kamar balloon.Ana hura robobin a cikin wani nau'i kuma yayin da yake faɗaɗawa, yana danna bangon ƙirar yana ɗaukar siffarsa.Bayan filastik "balloon" ya cika ƙirar, an sanyaya shi kuma ya taurare, kuma an fitar da sashin.Dukan tsari yana ɗaukar ƙasa da mintuna biyu don haka matsakaicin awanni 12 na iya samar da kusan guda 1440.

Amfanin gama gari don gyare-gyaren busa

Hanyoyin gyare-gyare na busa suna haifar, a mafi yawan lokuta, kwalabe, ganguna na filastik, da tankunan mai.Idan kuna buƙatar kwalaben filastik dubu ɗari, wannan shine tsari a gare ku.Busa gyare-gyare yana da sauri da kuma tattalin arziki tare da ƙirar kanta tana da ƙasa da gyare-gyaren allura, amma fiye da gyaran gyare-gyaren juyawa ... wani lokacin yana kai sau 6 zuwa 7 kamar kayan aikin roto-gyare-gyare.

Matsi Molding

Ana yin gyare-gyaren matsi daidai kamar yadda sunan ya nuna.Ana sanya wani abu mai zafi na filastik a cikin wani nau'i mai zafi sannan a danna shi a cikin takamaiman tsari.Yawancin lokaci, filastik yana zuwa a cikin zanen gado, amma kuma yana iya zama cikin girma.Da zarar an matsa filastik a cikin siffar da ta dace, tsarin dumama yana tabbatar da cewa filastik yana riƙe da iyakar ƙarfin.Matakan ƙarshe na wannan tsari sun haɗa da sanyaya, datsa, sannan cire ɓangaren filastik daga ƙirar.

Yawan Amfani da Matsala Molding

Mafi kyawun amfani da gyare-gyaren matsawa shine maye gurbin sassan karfe tare da sassan filastik.An fi amfani dashi don ƙananan sassa da samfurori a cikin girma mai girma.Masana'antar kera motoci suna amfani da gyare-gyaren matsawa sosai saboda samfuran ƙarshe suna da ƙarfi da ɗorewa.

Farashin farko na gyare-gyaren matsawa yana da mahimmanci, ya dogara da abubuwa da yawa da suka haɗa da adadin cavities, girman sassan, sarkar guntu, da ƙarewar saman a tsakanin sauran abubuwa.Amma farashin kowane ɓangaren mutum yana da ƙasa a cikin adadi mai yawa, don haka yawancin sassa suna da kyau don wannan nau'i na gyare-gyare.

Extrusion Molding

Extrusion gyare-gyare yana kama da gyare-gyaren allura sai dai ana samar da siffa mai tsayi mai tsayi.Wani bambanci a cikin gyare-gyaren extrusion shine tsarin yana amfani da "mutu" ba "mold."

Abubuwan da aka cire suna yin su ta hanyar matse albarkatun ƙasa mai zafi ta hanyar mutuƙar al'ada.Sauƙaƙan gani zai zama kamar matsi Play Doh ta cikin rami mai siffa.

Yayin da sauran nau'o'in gyare-gyaren ke amfani da extrusion don samun robobin robobi a cikin wani tsari, wannan tsari yana fitar da robobin da aka narke kai tsaye zuwa mutuwa.Siffar mutuwa, ba ƙira ba, tana ƙayyade siffar samfurin ƙarshe.

Yawan Amfani da Extrusion Molding

Sassan da aka yi daga extrusion suna da ƙayyadaddun bayanin martaba na yanki.Misalan samfuran extruded sun haɗa da bututun PVC, bambaro, da hoses.Sassan ba sa buƙatar zama zagaye amma suna buƙatar samun siffar iri ɗaya tare da tsawon ɓangaren.

Kudin gyare-gyaren extrusion yana da ƙananan ƙananan idan aka kwatanta da sauran tsarin gyaran gyare-gyare saboda sauƙi na mutu da na'urorin kansu.

Koyaya, yanayin tsarin gyare-gyaren extrusion yana iyakance nau'ikan samfuran da za'a iya kera su da wannan fasaha.

Thermoforming

Thermoforming wani tsari ne na masana'anta inda takardar filastik da ake kira thermoplastic ke dumama zuwa yanayin zafi mai jujjuyawa, da aka samu zuwa takamaiman siffa a cikin gyaggyarawa, kuma an gyara shi don ƙirƙirar samfur mai amfani.Thermoplastic ya zo a cikin nau'ikan kayan, launuka, ƙarewa, da kauri.

Thermoforming yana amfani da nau'ikan ƙira da matakai daban-daban don cimma samfurin ƙarshe.Don ƙirƙirar samfuran 3D, ƙirar yawanci nau'i ne na 3D wanda aka yi da aluminum.Saboda thermoforming yana amfani da ƙananan matsi, ana iya samar da ƙira don ƙananan farashi ta amfani da kayan da ba su da tsada.

Yawan Amfani da Thermoforming

Ana amfani da ma'aunin zafin jiki na bakin ciki don kera kofuna, kwantena, murfi, trays, blisters, clamshells, da sauran kayayyakin abinci da masana'antar tallace-tallace gabaɗaya.Ma'auni mai kauri ya haɗa da sassa daban-daban kamar ƙofar abin hawa da fatunan dash, na'urorin firiji, da gadajen abin hawa mai amfani.

A matsakaita, yana ɗaukar kimanin makonni 8 don samun samfurin thermoform a shirye don samarwa.Farashin ƙirar thermoform ya dogara ne akan girman ɓangaren da ake buƙatar samarwa.Mold don ƙaramin sashi na iya kashe kuɗi kaɗan kamar $20,000 yayin da farashin babban ƙira zai iya haura $50,000.