Tapered-roll stand for making seamless pipe

A tapered roll stand for making seamless pipe, the stand comprising:

• a stationary frame formed relative to a workpiece-travel direction with a pair of laterally and horizontally oppositely open windows;
• respective cover doors carried on the frame and vertically shiftable between respective closed positions covering the respective windows and open positions offset therefrom and exposing the respective windows;
• a pair of tapered rolls each shiftable horizontally through a respective one of the windows into a use position inside the frame, lying to a respective horizontal side of the workpiece-travel direction, and rotatable about a respective axis forming an acute angle with the workpiece-travel direction;
• a pair of Diescher disks vertically engageable with a workpiece extending in the workpiece-travel direction between the tapered rolls;
• and
• respective roll-positioning actuators carried on the doors and couplable with the tapered rolls in the use position for setting positions of the tapered rolls.