Rolling mill train with staggered mills, especially as a tandem rolling installation

A rolling mill train in which a workpiece traveling along a rolling line is rolled in succession between opposing mill rolls of a succession of pairs thereof, said rolling mill train having at least one mill stand comprising:

• a pair of unitary stand walls spaced from said mill line on a drive side and a service side of said mill stand respectively, each of said stand walls having a plurality of stand windows spaced apart along said line and in a direction of rolling of said workpiece;
• respective pairs of said mill rolls having bearing chocks received in corresponding windows of said pair of stand walls and journaling the respective mill rolls therein, said pairs of mill rolls and the respective bearing chocks being removable from and replaceable in said corresponding windows of the stand walls on the drive and service sides of the stand for roll replacement, said pairs of mill rolls being spaced in said direction and said walls being common to all of the pairs of said succession;
• and
• respective intermediate traverses extending transversely to said direction and interconnecting said unitary walls between successive pairs of rolls and locking said stand walls together.