Case study: CNC Machining VS Vacuum Casting

Customer’s requirements:

👉 Material: Polycarbonate (PC)

👉 Quantity: 15

👉 Surface finishing: Ra 3.2

👉 Expectations: Aesthetic & assembly validations

CNC Machining:

⚙️ Material: Polycarbonate (PC)

⚙️ Quantity: 15

⚙️ Surface finishing: Ra 3.2

⚙️ Leadtime: 8 days

⚙️ Quality: Very good

⚙️ Accuracy: +/- 0.05 mm

⚙️ Total price: 725 euros

Vacuum Casting:

⚙️ Material: Pu resin type PC

⚙️ Quantity: 15

⚙️ Surface finishing: Ra 3.2

⚙️ Leadtime: 10 days

⚙️ Quality: Good

⚙️ Accuracy: +/- 0.10 mm every 100 mm

⚙️ Total price: 480 euros

✔️ Considering customer’s requirements, Vacuum Casting process is the best solution to allow our customer to achieve all expected validations within a limited budget. From 10 parts, it becomes cheaper than CNC machining process and the PU resin type PC offers good assembly features without fear of part breakage ✔️