Simulation of the Working Performance of a Shearer Cutting Coal Rock

Table 6

The relationship between the cutting depth and the three-directional force of the drum.

Cutting depth/mm	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
480	−6.84e3	−0.0355	−9.28e2	−0.293	1.25e4	0.0311	1.4733e4	0.0312
530	−6.59e3	−0.0361	−8.24e2	−0.282	1.36e4	0.0314	1.5902e4	0.0305
580	−7.08e3	−0.0347	−6.35e2	−0.258	1.48e4	0.0306	1.6973e4	0.0293
630	−8.28e3	−0.0093	−5.98e2	−0.102	1.65e4	0.0062	1.9180e4	0.0373