1) Imagined cutter-tip
假想刀尖
2) Imaginary tool nose spot
假想刀尖点
3) imaginary sharp ring corner
理<假>想套圈尖角
4) pointed cutter
尖刀
1.
The preparation technologies of monocrystal diamond pointed cutters,including design of geometry parameters,selection of material,crystal orientation,incision,sharping,clamping,coarse grinding,finishing grinding and polishing are introduced.
介绍了单晶金刚石尖刀的几何参数设计、原材料选择、晶体定向、切割、开坯、装卡、粗磨、精磨和抛光等制备工艺,分析了晶体定向、装卡和研磨等工艺机理,并对制备的金刚石尖刀的刃口锋利度、圆弧半径以及整体状况进行了SEM检测。
5) knifepoint
[英]['naɪfpɔɪnt] [美]['naɪf'pɔɪnt]
刀尖
1.
The ultra-precision cutting is of the interaction between knifepoint geometry of the tool and work-piece.
指出超精密切削实际上是刀具刀尖部分与工件的相互作用,分析了金刚石刀具刀尖几何形状和切削刃的锋利度对超精密切削加工质量的影响。
补充资料：车削时进给量与刀尖半径粗糙度的关系
车削时，刀尖半径与进给量、表面粗糙度的理论值存在一定关系，我们选择进给量时一般不应超过此值。
h=re-(re²；-(0.5×f)²；)0.5
h为残留高度，而：
Ra=(0.25~0.33)h
因此:
fmax=(Ra×re/50)½；
h为残留高度，而：
因此:
| 刀尖圆角 mm | 圆刀片 mm | Ra/Rz µ；m | |||||
| 0.4/1.6 | 1.6/6.3 | 3.2/12.5 | 6.3/25 | 8/32 | 32/100 | ||
| 进给量 mm | |||||||
| 0.2 | 0.05 | 0.08 | 0.13 | ||||
| 0.4 | 0.07 | 0.11 | 0.17 | 0.22 | |||
| 0.8 | 0.10 | 0.15 | 0.24 | 0.30 | 0.38 | ||
| 1.2 | 0.19 | 0.29 | 0.37 | 0.47 | |||
| 1.6 | 0.34 | 0.43 | 0.54 | 1.08 | |||
| 2.4 | 0.42 | 0.53 | 0.66 | 1.32 | |||
| 6 | 0.20 | 0.31 | 0.49 | 0.62 | |||
| 8 | 0.30 | 0.36 | 0.56 | 0.72 | |||
| 10 | 0.25 | 0.40 | 0.63 | 0.80 | 1.00 | ||
| 12 | 0.44 | 0.69 | 0.88 | 1.10 | |||
| 16 | 0.51 | 0.80 | 1.01 | 1.26 | 2.54 | ||
| 20 | 0.89 | 1.13 | 1.42 | 2.94 | |||
| 25 | 1.26 | 1.58 | 3.33 | ||||
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条