Table 2 Data on M2W crankshaft production and rejection (five weeks).
From: Enhancement in production efficiency using DMAIC methodology of six sigma
Weeks | Production | Rejection | Pitting defect | Total length undersize defect | Un-filling defect | Flash defect | Bend defect |
|---|---|---|---|---|---|---|---|
1 | 45,633 | 1406 | 461 | 410 | 432 | 65 | 38 |
2 | 46,018 | 1389 | 422 | 435 | 407 | 58 | 67 |
3 | 46,326 | 1379 | 447 | 411 | 436 | 48 | 37 |
4 | 46,494 | 1435 | 475 | 462 | 442 | 34 | 22 |
5 | 46,123 | 1423 | 446 | 427 | 410 | 78 | 62 |
Total | 230,564 | 7032 | 2251 | 2145 | 2127 | 283 | 226 |