Improvement of hydraulic circuit of roll balance system;

In this article,phenomenon causing slippage of roll face between working roll and backing roll for four high mill is analyzed and it is pointed out that increasing equilibrant of working roll can not prevent slippage phenomena foom occurring The criterion is delivered,when the slippage phenomenon appeared.

The failure analysis of the top driving device's balance cylinder and solution scheme

In light of the fracture of the balance cylinder\'s shaft earring in operation site,improvements were made on cylinder structure,connecting manner between balance cylinder and biandan(i.

Design improvement on the upper WR balancing cylinder of plate mill;