刀具平衡与高速洗切加工(编辑修改稿)

刀具平衡与高速洗切加工(编辑修改稿)内容摘要：

rces lead to premature tool wear Nominal chip thickness Increased chip load for “high” tooth Reduced chip load for “low” tooth 60 050 040 030 020 010 001002000 90 180 270 360 450 540 630 720Cu tt er An gl e (d eg )Cutting Force (N) 3 micro ns Ru no ut10 0 micro ns ru no ut意威有限公司 EVAE ENG. CO., LTD. 28 平衡可改善高速加工精度  提升幾何切削精度  延長軸承及主軸壽命  延長刀具壽命  保持穩定切削力  提升加工表面粗糙度 意威有限公司 EVAE ENG. CO., LTD. 29 刀具平衡可降低主軸振動 01234565000 7500 10000 12500 15000S p i n d l e S p e e d ( r p m )Spindle Housing Synchronous Vibration (mm/sec velocity)W i t h o u t B a l a n c eS y s t e mA f t e r A c t i v e B a l a n c i n g意威有限公司 EVAE ENG. CO., LTD. 30 平衡可減少 Dynamic Runout 6 0 4 0 2 0 0 20 40 60 5 0050X M o t i o n ( m i c r o n s )YMotion (microns)U n b a l a n c e d A c t i v e l y B a l a n c e dBalanced Measured Tool Orbit Motion (microns) With Toolholder/Spindle Assembly Unbalanced and Balanced at 24,000 rpm 意威有限公司 EVAE ENG. CO., LTD. 31 保持穩定切削力 Unbalance Tool Produces Unstable Cut Balancing Eliminated Chatter Measured Spindle Housing Vibration During Cut At 16,000 rpm 0 0. 05 0. 1505T im e (s ec onds )Unbalanced Vib (g39。 s)0 5 10x 104012Unbalanced Vib (g39。 s)F requenc y (c pm )0 0. 05 0. 1505T im e (s ec onds )Balanced Vib (g39。 s)0 5 10x 104012F requenc y (c pm )Balanced Vib (g39。 s)Spindle Frequency CutterPass Frequency Chatter Frequencies 意威有限公司 EVAE ENG. CO., LTD. 32 提升表面粗度 By eliminating runout, 4flute cutter can achieve same surface at 4X the feed! (To achieve mm surface with worst case runout, feed must be reduced to mm/tooth) 0 0 . 2 0 . 4 0 . 6 0 . 8 105101520 F e e d D i re ct i o n (mm)Generated Surface (microns)W o rst C a se W i t h R u n o u tN o T o o l R u n o u t Predicted EndMilled Surfaces mm, 4 Flute Cutter, mm Feed/tooth (But if runout exceeds worst case, surface will not get any worse) 意威有限公司 EVAE ENG. CO., LTD. 33 不平橫因素之來源  固定來源  不確定來源 意威有限公司 EVAE ENG. CO., LTD. 34 不平衡因素固定來源  Vflange未加工  不均等重量分配  驅動槽深度不一致 (CAT Vflange)  DIN規定之 HSK等級  Drive key slot 在 HSK A, B, C, D形狀 意威有限公司 EVAE ENG. CO., LTD. 35 Drive slot depth Unground diameters 固定因素 意威有限公司 EVAE ENG. CO., LTD. 36 不確定因素  筒夾  筒夾。