1) Feed range
进给量级
2) number of feeds
进给量级数
3) number of axial feeds
轴向进给量级数
4) number of feeds
进给级数
5) varying feed rate
变进给量
1.
By applying apparatus for piezoelectric ceramic vibration drilling, the me thod of varying feed rates in vibration drilling is used to drill the micro-hol e .
应用压电陶瓷振动台振动钻削装置,采用变进给量振动钻削法加工微小孔,并用工具显微镜对入钻定位误差和出口毛刺进行测量。
6) Feed rate
进给量
1.
A useful computation method of optimum cutting speed and feed rate;
最优切削速度和进给量的实用算法
2.
An experiment of precise turning Cr12 die steel was carried out to investigate the impacts of cutting speed and feed rate on the surface roughness.
对Cr12模具钢进行了高速精密车削试验,研究了切削速度和进给量对加工表面粗糙度的影响。
3.
The influence of cutting speed and feed rate on the surface roughness of machined blade was investigated.
研究了切削速度和进给量对加工表面粗糙度的影响。
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