Каталог Stellram токарный инструмент - страница 194

Заказ инструмента: http://steelcam.org 8 (343) 382-52-03 | sales@sverla-ekb.ru Turning Technical Metric Formulas & Terminology Formula Terminology Turning Inserts Vc = Dm x π x n Cutting speed (m/min) Dm = Machined diameter mm 1000 Vc = Cutting speed m/min n = Spindle speed rev/min n = Vc x 1000 Spindle speed (rev/min) Tc = Period of engagement min Dm x π Qz = Metal removal cm3/min lm = Machined length mm P c = Vc x ap x fn x kc Power demand (kW) Pc = Power demand kW 60 x 1000 x h Kc = Specific cutting force N/mm2 fn = Feed per revolution mm/rev Qz = Vc x fn x ap Metal removal (cm3/min) kr = Cutting edge angle degree R max = Profile depth µm re = Insert nose radius mm lm ap = Depth of cut mm Tc = fn x n Period of engagement (min) h = Efficiency Trigonometrical Equivalents Dimension Part to be Found Giv en A B a b c a&c sin A = a ÷ c cos B = a ÷ c b= c2 - a2 a&b tan A = a ÷ b cos B = a ÷ b c= a2 + b2 c&b cos A = b ÷ c sin B = b ÷ c a= c2 - b2 A&a B = 90º - A b = a x cot A c = a ÷ sin A A&b B = 90º - A a = b x tan A c = b ÷ cos A A&c B = 90º - A a = c x sin A b= c x cos A Trigonometrical Equivalents Dimension Parts to be Formula Given Found abc A cos A = b2+c2-a2 ÷ 2bc abA B sin B = b x sin A ÷ a abA C C = 180 - (A + B) aAB b b = a x sin B ÷ sin A aAB c c = (a x sin C ÷ sin A) x (a x sin (180 - A - B) ÷ sin A) abC B B = 180 - (A + C) www.kennametal.com C193