TUBE ROLLING PLANETARY MILL Russian patent published in 2004 - IPC

FIELD: tube rolling equipment, possibly mills for cold rolling of tubes of non-ferrous metals.

SUBSTANCE: mill for rolling tubes includes housing in which rolling stand is mounted. Rolling stand is in the form of rotary framework that includes movable casing that performs reciprocation motion and has pair of profiled grooved passes. Mill also includes mechanism for feeding tube having feeding chuck. Rolling stand of mill is provided in addition with floating mandrel arranged inside tube in zone of profiled grooved passes. Rolling stand and tube feeding mechanism have common drive. Movable casing of rolling stand is joined with drive unit by means of crank gear mechanism and carriage. Rotary framework of rolling stand is joined with drive unit through transmission shaft and intermittent-rotation reduction gear. Mechanism for feeding tube has two feeding chucks. Rolling mill also includes apparatus for uncoiling tube coils and apparatus for coiled rolled tubes. Apparatus for uncoiling coiled tubes is in the form of movable table and straightening rollers.

EFFECT: enlarged manufacturing possibilities of tube rolling mill, enhanced stability of rolling process.

3 cl, 6 dwg, 2 ex