455 Каталог INGERSOLL 2011 Режущий инструмент и инструментальная оснастка Стр.457

Каталог INGERSOLL 2011 Инструмент и оснастка Стр. 457 0455 Lab2u

CHIP SURFER & ROUND LINE APPLICATION EXAMPLE Influence of cutting line width on surface roughness Calculation of cutting line width: br 2 x Vap t (d-ap) R d Kinematic roughness: th 2 4 MILLING OF HARD MATERIALS Roughing 3D Center plunging with circular interpolation Climb milling ae m cutter radius Edge honing Small widths of cut Constant feed rates Milling of full slots in hardened steel M 54 HRC Sp iral-type machining (trochoidal milling) Constant feed Constant cutting conditions Good chip flow (air) Finishing 3D Avoid complete arc of contact of cutter Diagonal machining Hone edges if radius of geometry is m than cutter radius Pay attention to bevel angle of ball nose cutters (15-20) to avoid eff v m 0 457