1080 Каталог KORLOY 2016 Металлорежущий инструмент и станочная оснастка ENG Стр.L13

Каталог KORLOY 2016 Инструмент и оснастка Стр. L13 1080 ENG Lab2u

Turning Machining time External face machining 1 Constant Revolution per minute T = 60xL fn x n Constant cutting speed T = 60xnxLxD 1000 x fn x vc T Machining time sec L Cutting length mm fn Feed per revolution mm/rev n Revolution per minute min D Diameter of workpiece mm vc Cutting speed m/min External face machining 2 0D2 0D1 Constant Revolution per minute 60 x L T = fn x n x N Constant cutting speed T = 60xnxl_ x(Di + D2) n 2 x 1000 x fn x vc x N T Machining time sec L Cutting length mm fn Feed per revolution mm/rev n Revolutionperminute min D1 Maximumdiameterofworkpiece mm D2 Minimumdiameterofworkpiece mm vc Cutting speed m/min N The number of pass = (D1-D2)/d/2 Facing Constant Revolution per minute T = 60 x