Stampa 3D industriale ottimizzata per la realizzazione di utensili e forme

La realizzazione di utensili per iniezione o per la modellazione è per molte aziende una delle fasi lavorative del processo produttivo più dispendiose in termini di tempo e costi. Nonostante le macchine utensili ad alta precisione, i processi consolidati di produzione per asportazione o modellazione si scontrano spesso con i propri limiti in presenza di geometrie complesse. La produzione additiva offre nuove possibilità per ottimizzare i processi nella realizzazione di utensili, andando ad aumentare sensibilmente la produttività degli utensili stessi.

Nell’ambito della realizzazione di utensili con tecnologie convenzionali, vengono utilizzati in particolare processi per asportazione o modellazione, come ad esempio fresatura, tornitura o foratura. Queste soluzioni sono caratterizzate, nella pratica, da diverse limitazioni legate al processo utilizzato, come illustrato con precisione dal seguente esempio: nella stampa a caldo o nella stampa per iniezione è talvolta necessario l’utilizzo di utensili dotati di canali di raffreddamento integrati. Attraverso questi canali viene fatto scorrere un refrigerante al fine di garantire una dispersione del calore rapida e uniforme. Finora questi canali venivano di norma realizzati mediante foratura, ma questo processo permette di realizzare esclusivamente linee diritte. Nelle geometrie più complesse è pertanto pressoché impossibile realizzare canali di raffreddamento che scorrano in modo uniforme in prossimità della superficie del pezzo.

Migliore funzionalità grazie alla stampa 3D

Dal momento che i metodi di produzione per asportazione o modellazione non permettono di realizzare in modo soddisfacente forme complesse all’interno del pezzo, ci si ritrova in presenza di un potenziale in termini di ottimizzazione spesso non utilizzato. Qui si concretizza una dei maggiori punti di forza dell’Additive Manufacturing: nella stampa 3D gli oggetti vengono realizzati a partire da un materiale di base informe e direttamente dai dati CAD. La realizzazione strato su strato non necessita di alcun ulteriore utensile e consente l’integrazione di geometrie complesse, completamente orientata alla funzionalità e alla progettazione del componente.

Grazie alla geometria ottimizzata dell’utensile si ottiene una migliore dispersione del calore, con una conseguente riduzione, pari a circa un terzo, dei tempi di ciclo nella stampa per iniezione. Si ottiene al tempo stesso anche un sensibile miglioramento della qualità dei componenti realizzati mediante iniezione grazie alla riduzione delle deformazioni.

La produzione additiva permette di realizzare anche le sporgenze e i sottosquadri: in fase di produzione, gli oggetti 3D vengono stabilizzati dal letto di polvere circostante e mediante strutture di supporto rimovibili manualmente.

Utensili realizzati con stampa 3D industriale

  • consentono una dispersione omogenea del calore
  • riducono i tempi di ciclo
  • aumentano la qualità dei componenti realizzati per iniezione

Stampa 3D industriale su PROTIQ Marketplace

Per la realizzazione dell’oggetto 3D desiderato è necessario soltanto un modello CAD stampabile del tuo pezzo. Su PROTIQ Marketplace la produzione può pertanto iniziare direttamente dopo la ricezione dell’ordine. In questo modo riceverai il tuo componente per la realizzazione di utensili stampato con tecnologia 3D già pochi giorni dopo aver effettuato l’ordine.

Per poter assicurare la qualità necessaria per le superfici degli stampi per iniezione, tutte le superfici esterne del modello 3D devono essere dotate di margine di tolleranza compreso tra 0,7 e 1 mm. Al termine della produzione, tutti i componenti vengono rifiniti con processi convenzionali e portati alla giusta misura. Con la stampa 3D non è solo possibile realizzare oggetti nuovi, ma anche riparare in alcuni casi gli utensili danneggiati. Per maggiori informazioni su come sia possibile ottimizzare i tuoi processi produttivi, contattaci!

Stampa 3D – vantaggi per la realizzazione di utensili

  • risparmio economico a lungo termine: tempi di ciclo più brevi e miglior qualità dei componenti riducono il prezzo unitario dei prodotti in serie
  • Scopri nuove possibilità: la progettazione improntata al design aumenta il potenziale in termini di innovazione
  • Produzione rapida: la realizzazione del tuo pezzo in stampa 3D inizia immediatamente dopo la ricezione del tuo ordine.

I tuoi file 3D sono già pronti?

In questo caso è sufficiente caricarli. Tutti i file vengono controllati automaticamente e ottimizzati per la stampa.


Hai delle domande?

Saremo lieti di offrirti una consulenza personalizzata per il tuo progetto 3D.

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