Research Article
A Model of Surface Residual Stress Distribution of Cold Rolling Spline
Table 2
Test results from the prediction model for the peak residual stress.
| ā | Source of variance | Sum of square | Degree of freedom | Complex correlation coefficient | value | |
| Dedendum | SSR | 1193.2 | 5 | 0.997 | 636.24 | 3.33 | SSE | 3.7507 | 10 | SSE | 1197.0 | 15 |
| Pitch | SSR | 454.5369 | 5 | 0.9883 | 168.52 | 3.33 | SSE | 5.4006 | 10 | SST | 459.93 | 15 |
| Addendum | SSR | 234.5072 | 5 | 0.9864 | 144.63 | 3.33 | SSE | 3.2428 | 10 | SST | 237.8 | 15 |
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