Simulation of the Working Performance of a Shearer Cutting Coal Rock

Table 5

The relationship between the traction speed and the three-directional force of the drum.

Traction speed/m/min	X-force (mean/N)	Fluctuation coefficient of X-force	Y-force (mean/N)	Fluctuation coefficient of Y-force	Z-force (mean/N)	Fluctuation coefficient of Z-force	Resultant force (mean/N)	Fluctuation coefficient
3	−6.14e3	−0.0106	−1.72e2	−0.3065	1.11e4	0.0078	1.3181e4	0.0348
4	−8.28e3	−0.0093	−5.98e2	−0.1020	1.65e4	0.0062	1.9180e4	0.0373
5	−9.18e3	−0.0085	−7.54e2	−0.0862	2.20e4	0.0053	2.4518e4	0.0363
6	−1.29e4	−0.0064	−5.58e2	−0.1124	2.91e4	0.0043	3.2393e4	0.0368