Lightweight Threshing Rack under Multisource Excitation Based on Modal Optimization Method

Table 2

Working part load value of combine harvester threshing rack.

Serial number	Load name	Mass of working part (kg)	Load value	Loading method
1	Cutting roller	46	450.8 N	Concentrated load
2	Cut flow cap	13	1851.9 Pa	Uniform load
3	Intermediate shaft	26	264.6 N	Concentrated load
4	Vertical axial flow roller	78	764.4 N	Concentrated load
5	Vertical axis top cover	60	1.0 × 10^6 Pa	Uniform load
6	Vertical axis flow concave screen	40	5681.2 Pa	Uniform load
7	Clear screening	100	980.0 N	Concentrated load
8	Threshing cleaning rack	20	2557.8 N	Inertial load
9	Fan	261	196.0 N	Concentrated load
10	Header and trough	470	4606 N	Concentrated load
11	Grass mower	97	950.6 N	Concentrated load
12	Grain auger	50	490.0 N	Concentrated load
13	Miscellaneous auger	44	431.2 N	Concentrated load
14	Transmission case	48	470.4 N	Concentrated load