Relatório de Ensaio de máquinas
Garantia de componentes principais
Connect number of each time
Permissible bending distance (KN.m)
The beam body 52.50/Connection articulated 30.00 The Angle
Upper, lower ≥7°/Left, right ≥3° Usage
mining supporting articulated roof beam Other name
Hinged roof beams bar metal steel bar