Research Methods and Applications of Gear Manufacturing Process Optimization

Table 7

The FPOPN level ranking of second-level fuzzy comprehensive evaluation.

Serial number	Second-level process	FPOPN level
1	M—Grinding process design	3.6250
2	H—Carburizing process design	3.4437
3	S—Detecting hardenability	3.4076
4	D—Tooth profile modification	3.3435
5	D—Tooth shape modification	3.3284
6	R—Shaving design	3.1795
7	R—Hobbing design	2.9972
…	…	…
20	S—Testing chemical composition	2.6242