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   <subfield code="a">Hệ thống CAD/CAM/NC ngày càng được sử dụng rộng rãi trong sản xuất công nghiệp ở nước ta. Nắm vững cấu trúc hệ thống và phát triển nó nhằm nâng cao hiệu quả kinh tế và từng bước góp phần hiện đại hóa ngành công nghiệp nước nhà là vấn đề đặt ra cho các nhà kỹ thuật hiện nay. Các bề mặt sản phẩm, sản xuất trong công nghiệp khá đa dạng và phức tạp, vì vậy để thiết kế và chế tạo thuận lợi người ta đã sử dụng máy tính trợ giúp trong quá trình này. Lĩnh vực thiết và mô tả bề mặt gia công trên máy tính được gọi là CAMM nó đóng vai trò rất quan trọng trong hệ CAD/CAM/CNC. Để mô tả các mặt từ đơn giản đến phức tạp, người ta có nhiều phương pháp khác nhưng để mô tả các đường cong và mô hình toán được sử dụng để xây dựng các đường cong và bề mặt trên máy tính. Trong cuốn sách này trình bày một số phương pháp xây dựng các đường cong và bề mặt gặp trong sản xuất công nghiệp. Trên cơ sở đó giúp cho bạn đọc hiểu thêm quá trình xây dựng các đường cong và các mặt phức tạp trong hệ thống CAD/CAM/CNC.</subfield>
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