Analysis of the Protection Performance of Face Guard for Large Mining Height Hydraulic Support

Figure 17

Comparison of the bearing characteristics of different positions of face guard. (a) Coordinate value of X-axis is 280 mm. (b) Coordinate value of X-axis is 560 mm. (c) Coordinate value of Y-axis is 1800 mm. (d) Coordinate value of Y-axis is 2100 mm.

(a)

(b)

(c)

(d)