Table 2 Processing status under different conditions.
No | Cutting parameters | Machining state | No | Cutting parameters | Machining state | ||
|---|---|---|---|---|---|---|---|
n (r/min) | ap (mm) | n (r/min) | ap (mm) | ||||
1 | 750 | 6.8 | Stable | 13 | 1050 | 7.2 | Slight chatter |
2 | 750 | 7.2 | 14 | 1050 | 7.5 | ||
3 | 900 | 5.9 | 15 | 1200 | 5.1 | ||
4 | 900 | 6.3 | 16 | 1200 | 5.4 | ||
5 | 1050 | 6.0 | 17 | 750 | 8.2 | Severe chatter | |
6 | 1050 | 6.4 | 18 | 750 | 8.5 | ||
7 | 1200 | 4.3 | 19 | 900 | 7.6 | ||
8 | 1200 | 4.7 | 20 | 900 | 7.8 | ||
9 | 750 | 7.9 | Slight chatter | 21 | 1050 | 8.0 | |
10 | 750 | 8.0 | 22 | 1050 | 8.2 | ||
11 | 900 | 7.0 | 23 | 1200 | 5.8 | ||
12 | 900 | 7.1 | 24 | 1200 | 6.5 | ||