Machine parts of minor importance, whose dimensions were designed without calculations but with a large safety ... Steel parts, operating with relatively low stresses on their external surfaces, require a surface finish not lower than the 5th grade. ... loads and at moderate speeds and unimportant components subject to tensile stresses require the 7th grade of finish. ... with modern progress in science and technology will lead, without doubt, to successful solutions of the problems hereanbsp;...
|Title||:||Fundamentals of process engineering|
|Author||:||V. M. Kovan|