Bayanin ainihin ilimin game da gyaran allura

Injin gyare-gyaren allura, injuna ne na musamman don kera samfuran filastik, waɗanda ake amfani da su don kera sassa daban-daban na filastik a cikin motoci, likitanci, mabukaci da aikace-aikacen masana'antu.Yin gyaran allura sanannen fasaha ne saboda dalilai biyar masu zuwa:

1. Ability don ƙara yawan aiki;

2. Dukansu siffofi masu sauƙi da rikitarwa za a iya yin su;

3. Kuskure mai ƙarancin gaske;

4. Ana iya amfani da kayan aiki iri-iri;

5. Rage farashin albarkatun kasa da farashin aiki.

Injin gyare-gyaren allura yana amfani da guduro filastik da gyare-gyare don kammala gyare-gyaren allura.Na'urar an fi raba ta zuwa sassa biyu:

Na'urar matsawa-a kiyaye ƙirar a rufe ƙarƙashin matsin lamba;

Na'urar allura-narkakken robobin robobi da tara robobin da aka narkar da su a cikin mold.

Tabbas, injinan kuma suna da girma daban-daban, an inganta su don samar da sassa daban-daban masu girma dabam, kuma suna da ƙarfi da ƙarfi da injin gyare-gyaren allura ke iya haifarwa.

Ana yin gyare-gyaren da aka yi da aluminum ko karfe, amma wasu kayan kuma suna yiwuwa.An kasu kashi biyu, kuma an tsara siffarsa daidai da karfe.Samfurin na iya zama mai sauƙi da arha, ko kuma yana da wahala sosai da tsada.Halin da ke tattare da shi kai tsaye ya yi daidai da ƙayyadaddun sashi da adadin sassa a cikin kowane ƙira.

Thermoplastic guduro yana cikin nau'in pellet kuma shine nau'in kayan da aka fi amfani dashi wajen gyaran allura.Akwai nau'ikan resins na thermoplastic da yawa tare da nau'ikan kaddarorin kayan aiki da yawa kuma sun dace da aikace-aikacen samfur iri-iri.Polypropylene, polycarbonate da polystyrene misalai ne na resins da aka saba amfani da su.Baya ga ɗimbin zaɓi na kayan da aka samar ta hanyar thermoplastics, ana iya sake yin su, masu dacewa da sauƙin narkewa.

Tsarin gyare-gyaren da aka yi a cikin injin ɗin allura ya ƙunshi matakai na asali guda shida:

1. Ƙwaƙwalwa-na'urar da za ta ɗaure na'urar tana danna rabi biyu na mold tare;

2. Allurar - robobin da aka narkar da shi daga sashin allura na injin an buga shi cikin mold;

3. Tsayar da matsa lamba - robobi narkakkar da aka yi wa allura a cikin ƙirar yana ƙarƙashin matsin lamba don tabbatar da cewa duk sassan ɓangaren suna cike da filastik;

4. Cooling-ba da damar filastik mai zafi don kwantar da hankali a cikin siffar sashi na ƙarshe yayin da yake cikin tsari;

5. Mold bude-na'urar ƙulla na'urar ta raba ƙirar kuma ta raba shi zuwa rabi biyu;

6. Ejection-ƙare samfurin da aka fitar daga mold.

Yin gyare-gyaren allura babbar fasaha ce da za a iya samarwa da yawa.Koyaya, yana da amfani ga samfuran samfuri don ƙirar samfur na farko ko don mabukaci ko gwajin samfur.Kusan dukkanin sassa na filastik ana iya samar da su ta hanyar yin allura, kuma filayen aikace-aikacen ba su da iyaka, suna ba wa masana'anta hanya mai tsada don samar da sassa daban-daban na filastik.