Nội dung được dịch bởi AI, chỉ mang tính chất tham khảo
Hiệu suất của dao cắt CBN được phủ trong quá trình tiện xanh gang xám EN-GJL-250: mô hình hóa và tối ưu hóa
Tóm tắt
Nghiên cứu hiện tại điều tra hiệu suất của công cụ CBN7050 được phủ TiN/PVD trong quá trình tiện gang xám EN-GJL-250. Điều này được thực hiện thông qua việc tiến hành hai chuỗi thử nghiệm. Chuỗi thử nghiệm đầu tiên là các thử nghiệm tham số nhằm đánh giá ảnh hưởng của từng tham số cắt, tức là tốc độ cắt, tốc độ tiến và chiều sâu cắt lên các lực cắt, áp suất cắt, độ nhám bề mặt và công suất cắt. Chuỗi thử nghiệm thứ hai liên quan đến việc mô hình hóa mà dẫn đến việc dự đoán các tham số đầu ra. Cả phân tích phương sai và phương pháp bề mặt phản hồi được lựa chọn để phát triển mối quan hệ giữa các yếu tố đầu vào (Vc, f và Doc) và các tham số đầu ra. Các thử nghiệm được thực hiện theo thiết kế Taguchi (L27). Các mô hình thu được được sử dụng để thực hiện tối ưu hóa đa mục tiêu của các tham số cắt thông qua việc áp dụng phương pháp hàm mong muốn (DFA) cho bốn mục tiêu. Hơn nữa, hành vi mài mòn của công cụ CBN7050 được điều tra trong quá trình gia công gang xám EN-GJL-250. Thời gian sống của công cụ đạt 7, 18 và 41,5 phút khi Vc thay đổi từ 450, 600 đến 750 m/phút, tương ứng. Cuối cùng, một phân tích bề mặt độ nhám 3D của bề mặt gia công đã được thực hiện cho các tham số cắt khác nhau và dẫn đến việc hiển thị kết cấu bề mặt.
Từ khóa
#TiN/PVD #công cụ CBN7050 #gang xám #tối ưu hóa #mô hình hóa #Tài liệu tham khảo
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