In the light of field experiments and research, the main causes of the frequent raptures of the drive link joints in elevating table for section mill are discovered to be the serious unbalanced stress of the link joints and too large fall of the oil pressure in balancing actuator during elevation and subsidence.

The construction general situa tion,equipment type and rolling process are intr oduced of the imported continuous small section mill units of Shaoguan Iron and Steel Corp.