Table 5 Position coordinates of Coal and Rock particles under different rotational Speed conditions.

From: Coal falling trajectory and strength analysis of drum of shearer based on a bidirectional coupling method

Working condition

Z1

X

Y

Z2

X

Y

B1

− 2.065127

0.4856973

0

− 0.245124

0

− 0.286454

B2

− 0.224452

0.5051657

0

− 0.252381

0

− 0.297234

B3

− 0.245156

0.5898954

0

− 0.293872

0

− 0.302312

B4

− 0.237127

0.5962087

0

− 0.293937

0

− 0.322555

B5

− 0.214578

0.6014578

0

− 0.278496

0

− 0.312564