IMPROPER CROSS SEAM AT JOINING SIDE SEAM

neck trim join seam placed 1” from shoulder seam at back

11-2 Coal Seam

20 m VERY THICK AND MEDIUM HARD SEAM

20m very thick seam

3D welding seam model

6 coal seam

abnormal coal seam thickness

abutted seam

accumulated total coal seam thickness

adaptive seam

Adjacent Coal Seam

allochthonous coal seam

Aluminum Weld Seam

angle of coal seam

Angle Seam

arc welding seam tracking system

arc-seam weld

arc-V-shape weld seam