A Study on the Dynamic Transmission Law of Spiral Drum Cutting Coal Rock Based on ANSYS/LS-DYNA Simulation

Table 5

Simulation results of the drum’s triaxial force.

Traction speed (m/min)	Rotational speed (r/min)	force mean (N)	Fluctuation coefficient of force	force mean (N)	Fluctuation coefficient of force	force mean (N)	Fluctuation coefficient of force
2	60	2.304	0.3674	3.134	0.7435	6.213	0.0964
2	70	3.184	0.3312	3.984	0.7061	7.563	0.0931
2	80	3.734	0.3163	4.614	0.6819	8.923	0.0923
2	90	4.104	0.3012	5.154	0.6693	9.823	0.0918
2	100	4.414	0.2894	5.514	0.6637	1.054	0.0912
3	60	2.234	0.3502	2.914	0.7248	6.153	0.0959
3	70	2.954	0.3241	3.694	0.6826	7.923	0.0925
3	80	3.374	0.3096	4.214	0.6614	8.273	0.0912
3	90	3.764	0.2903	4.704	0.6477	9.353	0.0904
3	100	4.204	0.2786	5.054	0.6401	1.044	0.0896
4	60	2.054	0.3397	2.664	0.7043	5.443	0.0946
4	70	2.714	0.3101	3.394	0.6637	6.773	0.0905
4	80	3.214	0.2934	4.014	0.6481	7.533	0.0896
4	90	3.634	0.2805	4.344	0.6352	8.393	0.0882
4	100	3.834	0.2697	4.554	0.6298	9.133	0.0873
5	60	1.854	0.3203	2.424	0.6864	5.003	0.0931
5	70	2.434	0.2914	3.044	0.6427	6.293	0.0896
5	80	2.994	0.2746	3.744	0.6219	7.033	0.0878
5	90	3.304	0.2623	3.914	0.6126	7.983	0.0864
5	100	3.624	0.2497	4.104	0.6057	8.363	0.0857
6	60	1.664	0.2868	2.194	0.6637	4.783	0.0919
6	70	2.284	0.2517	2.764	0.6204	5.763	0.0876
6	80	2.674	0.2349	3.154	0.5993	6.823	0.0854
6	90	2.904	0.2274	3.504	0.5845	7.453	0.0843
6	100	3.424	0.2199	3.704	0.5776	7.953	0.0836