To prolong the life of a guide shoe, in rolling a seamless steel tube by a inclined rolling mill, by providing a water passage inside the guide shoe of the rolling mill and rolling with this passage cooled by water.
A crank-shaped water passage 10 is provided in the width direction internally of a plate-like guide shoe 2 used in a inclined rolling mill for rolling a seamless steel tube, with one end face 2a of the shoe provided with a water feeding port 11 and with the other end 2b a discharging port 12; cooling water is supplied through a joint 13 connected to the feeding side with the start of rolling and stopped after the elapse of prescribed time upon completion of rolling. The plate-like guide shoe 2 is nearly uniformly cooled through this cooling system. In addition, piping can be arranged from outside the mill for both feeding and discharging pipes each connected to the joint 13, 14 at the feeding and discharging side respectively.
TOYOOKA TAKAAKI
KANAYAMA TARO
ONISHI MASAYUKI
