An extrusion machine includes a main frame, a friction wheel, a tool holding device, a locking device and a tool unit supported on the tool holding device. Furthermore, a shielding unit with at least one first nozzle and at least one second nozzle is provided, wherein the nozzles are formed to emit a gas which is free of gaseous oxygen. The first nozzle is directed at a peripheral portion of the friction wheel. The second nozzle is arranged below a stripping area of the tool unit. Further, an extrusion machine has a sensor unit between the tool holding device and the tool unit and a method controls distance between two tool components of the extrusion machine. Furthermore, different extrusion machines as well as methods for changing friction wheels are provided.

A billet transport device inserts a billet emerging from a billet heater into a container of an extrusion press device, and includes a conveyor transporting a billet from a billet heater, an overhead type billet carrier directly transporting a billet from the conveyor to a billet loader, and a billet loader transporting a billet from the outside to inside of the extrusion press device. Further, the billet loader is comprised of an insertion roller device inserting a billet into a container and a billet insertion device placed at the front end of the billet loader.

A die block device in an extruder including a cooling mechanism of a simple structure reciprocable between an operation position and a changing position. A die block portion configured to reciprocate between an operation position for extrusion and a changing position for die changing; and a gas supply portion configured to supply a cooling gas toward the die block portion. The die block portion includes a block body having a support surface that supports the die, and a gas channel having a supply port for the cooling gas and an exhaust port that extends from the supply port through the block body and opens into the support surface.

An extrusion machine includes a main frame, a friction wheel, a tool holding device, a locking device and a tool unit supported on the tool holding device. Furthermore, a shielding unit with at least one first nozzle and at least one second nozzle is provided, wherein the nozzles are formed to emit a gas which is free of gaseous oxygen. The first nozzle is directed at a peripheral portion of the friction wheel. The second nozzle is arranged below a stripping area of the tool unit. Further, an extrusion machine has a sensor unit between the tool holding device and the tool unit and a method controls distance between two tool components of the extrusion machine. Furthermore, different extrusion machines as well as methods for changing friction wheels are provided.

An extrusion machine includes a main frame, a friction wheel, a tool holding device, a locking device and a tool unit supported on the tool holding device. Furthermore, a shielding unit with at least one first nozzle and at least one second nozzle is provided, wherein the nozzles are formed to emit a gas which is free of gaseous oxygen. The first nozzle is directed at a peripheral portion of the friction wheel. The second nozzle is arranged below a stripping area of the tool unit. Further, an extrusion machine has a sensor unit between the tool holding device and the tool unit and a method controls distance between two tool components of the extrusion machine. Furthermore, different extrusion machines as well as methods for changing friction wheels are provided.

An extrusion machine includes a main frame, a friction wheel, a tool holding device, a locking device and a tool unit supported on the tool holding device. Furthermore, a shielding unit with at least one first nozzle and at least one second nozzle is provided, wherein the nozzles are formed to emit a gas which is free of gaseous oxygen. The first nozzle is directed at a peripheral portion of the friction wheel. The second nozzle is arranged below a stripping area of the tool unit. Further, an extrusion machine has a sensor unit between the tool holding device and the tool unit and a method controls distance between two tool components of the extrusion machine. Furthermore, different extrusion machines as well as methods for changing friction wheels are provided.

The invention relates to an extrusion machine (1) comprising a main frame (5), a friction wheel (4), a tool holding device (6), a locking device (11) and a tool unit (12) supported on the tool holding device (6). Furthermore, a shielding unit (28) with at least one first nozzle (32) and at least one second nozzle (33) is provided, wherein the nozzles (32, 33) are formed to emit a gas which is free of gaseous oxygen. The first nozzle (32) is directed at a peripheral portion (29) of the friction wheel (4). The second nozzle (33) is arranged below a stripping area (30) of the tool unit (12). The invention further relates to an extrusion machine (1) with a sensor unit (25) between the tool holding device (6) and the tool unit (12) as well as a method for distance control between two tool components of the extrusion machine (1). Furthermore, the invention also relates to different extrusion machines (1) as well as methods for changing friction wheels.

The present invention relates to a press for the direct extrusion of metallic material, wherein the press comprises a supporting structure which defines an extrusion axis and a transverse direction orthogonal to said extrusion axis. The press further comprises an extrusion die and a die-holder drawer, in which said die is placed. Moving means are provided for moving said drawer along a transverse direction between a first position (P1), in which said die is aligned with said extrusion axis, and a second position in which, when reached, said die can be replaced. The press according to the invention further comprises a fixed supporting element which supports the drawer at least when it occupies the first position. The press further comprises at least a movable supporting element for supporting said drawer during the movement along said transverse direction; lifting means are provided for vertically lifting the movable supporting element between a first vertical position, in which the drawer is supported by the fixed supporting element, and a second vertical position, in which the drawer is lifted with respect to the fixed supporting element and supported by said at least one movable supporting element.

The present invention relates to a press for the direct extrusion of metallic material, wherein the press comprises a supporting structure which defines an extrusion axis and a transverse direction orthogonal to said extrusion axis. The press further comprises an extrusion die and a die-holder drawer, in which said die is placed. Moving means are provided for moving said drawer along a transverse direction between a first position (P1), in which said die is aligned with said extrusion axis, and a second position in which, when reached, said die can be replaced. The press according to the invention further comprises a fixed supporting element which supports the drawer at least when it occupies the first position. The press further comprises at least a movable supporting element for supporting said drawer during the movement along said transverse direction; lifting means are provided for vertically lifting the movable supporting element between a first vertical position, in which the drawer is supported by the fixed supporting element, and a second vertical position, in which the drawer is lifted with respect to the fixed supporting element and supported by said at least one movable supporting element.

The invention relates to an extrusion machine (1) comprising a main frame (5), a friction wheel (4), a tool holding device (6), a locking device (11) and a tool unit (12) supported on the tool holding device (6). Furthermore, a shielding unit (28) with at least one first nozzle (32) and at least one second nozzle (33) is provided, wherein the nozzles (32, 33) are formed to emit a gas which is free of gaseous oxygen. The first nozzle (32) is directed at a peripheral portion (29) of the friction wheel (4). The second nozzle (33) is arranged below a stripping area (30) of the tool unit (12). The invention further relates to an extrusion machine (1) with a sensor unit (25) between the tool holding device (6) and the tool unit (12) as well as a method for distance control between two tool components of the extrusion machine (1). Furthermore, the invention also relates to different extrusion machines (1) as well as methods for changing friction wheels.