Каталог Stellram фрез со сменными пластинами - страница 236

Заказ инструмента: http://steelcam.org | 8 (343) 382-52-03 | sales@sverla-ekb.ru 7710VRD20 Technical Information 7710VRD20 Technical Information Working Diameter: Formula to evaluate the correct working diameter based on axial depth of cut (ap). r ap D w = D+2 2 x r2 - (r -a )2p Contour Mills D2 where: D w = Working Diameter Dw D 2 = Diameter of cutter insert centre to centre r = Insert radius a p = Axial Depth of Cut 7710VRD20 Technical Information Formula to find programmed feed rate based on radial engagement and axial depth of cut. hm fz = r2 - (r - ae)2 r2 - (r - ap)2 where: r x r fz = Feed per tooth ae = Radial Depth of Cut hm = Average chip thickness ap = Axial Depth of Cut r = Insert radius Formula to calculate the average chip thickness hm in relation with radial engagement and depth of cut. r2 - (r - ae)2 r2 - (r - ap)2 hm = fz x r x r www.kennametal.com A235