Общий каталог D'andrea 2022 - страница 93

TECHNICAL DATA CUTTING DATA RECOMMENDED CUTTING CONDITIONS FOR ROUGHING OPERATIONS WITH DOUBLE-BIT HEADS TS material boring bar workingdimensionsconditionscutting speed Vc = m/min. feed fn = mm/rev (twin cutters)diameterinsert radiusD < 38D = 38~120D > 120R = 0.2R = 0.4R = 0.8 /G  good      carbon steel+%œ L/d=4 normal      /G  difficult      /G  good      carbon steel+%! L/d=4 normal      /G  difficult      /G  good      stainless steel$,6,L/d=4 normal      /G  difficult      /G  good      cast iron L/d=4 normal      /G  difficult      /G  good      aluminium L/d=4 normal      /G  difficult      cutting depth working range max. cutting depth ap = mm Ø = mm steel cast iron,aluminium                Twin cutters at the same cutting diameter Twin cutters at different cutting diameters ,WpVDGYLVDEOHWRVWDUWZLWK%KROHłWKHERULQJEDUGLDPHWHUG ATTENTION: )RUERULQJRSHUDWLRQVDWGLIIHUHQWGLDPHWHUVUHGXFHWRDKDOIWKHIHHGLQGLFDWHGRQWKHDERYHWDEOH RECOMMENDED CUTTING CONDITIONS FOR BORING OPERATIONS WITH DOUBLE-BIT TESTAROSSA TRD cutting feed fn = mm/rev quality insert cutting depth material boring bar working speedVc= m/min. insert radius roughing finishing ap finishing ap roughing dimensions conditions Ø28 Ø46 Ø75 R = 0.2 R = 0.4 Ø46 Ø75 Ø160 /G  good    carbon steel+%œL/d=4 normal/Gdifficult *'&'3'3'35 /G  good    carbon steel+%!L/d=4 normal/Gdifficult *'&'3'35 /G  good    stainless steel$,6,L/d=4 normal/Gdifficult  '3 '3    * /G  good    cast iron L/d=4 normal/Gdifficult *'.'&'35  Finishing /G  good    Roughing aluminium L/d=4 normal/Gdifficult  '. '.    * * 2QO\IRUĺQLVKLQJLQVHUWV RECOMMENDED CUTTING CONDITIONS FOR BORING OPERATIONS WITH TESTAROSSA TRM / TRC / TR-E material boring bar working cutting feed fn = mm/rev quality cutting dimensions conditions speed insert radius insert depth Vc= m/min. R = 0.0 R = 0.2 R = 0.4 /G  good    carbon steel+%œL/d=4 normal    '&'3 /G  difficult    /G  good    carbon steel+%!L/d=4 normal    '& /G  difficult    /G  good    stainless steel$,6,L/d=4 normal    '3 /G  difficult    /G  good    cast iron L/d=4 normal    '.'3 /G  difficult    PP /G  good    aluminium L/d=4 normal    '. /G  difficult    steel /G  good +%!L/d=4normal'&%1 CALCULATION FORMULAS FOR BORING Vc FXWWLQJVSHHGPPLQ Vc = ³p#pM D GLDPHWHURIZRUNSLHFHPP 1000 n QXPEHURIUHYROXWLRQVPLQpUHYPLQ M 5Bp Vf IHHGUDWHPPPLQ ³p# fn IHHGUHYPPUHY Ĭ  Vf = MpEM 92