53
RMIT Classification: Trusted
RMIT Classification: Trusted
CÔNG NGHỆ IN FDM
53
❖Công nghệ in FDM (Fused Deposition
Modelling), tên gọi khác là FFF (Fused
Filament Fabrication) “lỏng hóa” sợi polymer
để tạo ra vật thể 3D
❖Công nghệ FDM tận dụng điểm nóng chảy-
kết tinh thấp (<250°C) của vật liệu polymer
CHƯƠNG 3
Công nghệ in FDM
54
RMIT Classification: Trusted
RMIT Classification: Trusted
CÔNG NGHỆ IN FDM
54
❖Tưởng tượng:
▪Lấy một sợi nhựa, ép qua đầu nóng,làm tan chảy và lắng đọng thành từng lớp trên bàn in.
▪Các lớp hợp nhất với nhau, tích tụ trong quá trình in, tạo thành chi tiết in.
CHƯƠNG 3
Mỗi vật liệu có tính chất nhiệt khác nhau
“Làm nóng”, “tan chảy” và “lắng đọng” khác nhau
55
RMIT Classification: Trusted
RMIT Classification: Trusted
CÔNG NGHỆ IN FDM
55
CHƯƠNG 3
Sơ đồ máy in FDM
56
RMIT Classification: Trusted
RMIT Classification: Trusted
CÔNG NGHỆ IN FDM
56
CHƯƠNG 3
❖Tổng quan quy trình in FDM
57
RMIT Classification: Trusted
RMIT Classification: Trusted
57
CHƯƠNG 3
❖Yếu tố nào ảnh hưởng đến chi tiết in bằng công nghệ FDM?
THẢO LUẬN
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