خرید محصول توسط کلیه کارت های شتاب امکان پذیر است و بلافاصله پس از خرید، لینک دانلود محصول در اختیار شما قرار خواهد گرفت و هر گونه فروش در سایت های دیگر قابل پیگیری خواهد بود.
It was really a pleasure to receive an overwhelming response to the textbook Design of Machine Elements since it was published fi rst in 1994. In fact, whenever I visit an engineering college in any part of the country, students and staff members of the Mechanical Engineering Department know me as the ‘Machine Design author’ and the book has become my identity. Machine design occupies a prominent position in the curriculum of Mechanical Engineering. It consists of applications of scientifi c principles, technical information and innovative ideas for the development of a new or improved machine. The task of a machine designer has never been easy, since he has to consider a number of factors, which are not always compatible with the present-day technology. In the context of today’s technical and social climate, the designer’s task has become increasingly diffi cult. Today’s designer is required to account for many factors and considerations that are almost impossible for one individual to be thoroughly conversant with. At the same time, he cannot afford to play a role of something like that of a music director. He must have a special competence of his own and a reasonable knowledge of other ‘instruments
لطفا پیش از ارسال نظر، خلاصه قوانین زیر را مطالعه کنید: فارسی بنویسید و از کیبورد فارسی استفاده کنید. نظرات خود را براساس تجربه و استفادهی عملی و با دقت به نکات فنی ارسال کنید؛ بدون تعصب به محصول خاص، مزایا و معایب را بازگو کنید.