Apparatus for straightening metal products comprising: at least one rotation shaft on which at least one straightening roll is installed in a selectively removable manner; a first structure provided with at least a first support member configured to hold and support a first end of the rotation shaft; a second structure provided with at least a second support member configured to selectively support and hold a second end, opposite the first end, of the rotation shaft; a movement member configured to move the second structure toward/away from the first structure and to allow the installation or removal of the straightening roll from the rotation shaft.

Apparatus for straightening metal products comprising: at least one rotation shaft on which at least one straightening roll is installed in a selectively removable manner; a first structure provided with at least a first support member configured to hold and support a first end of the rotation shaft; a second structure provided with at least a second support member configured to selectively support and hold a second end, opposite the first end, of the rotation shaft; a movement member configured to move the second structure toward/away from the first structure and to allow the installation or removal of the straightening roll from the rotation shaft.

A quick-change die assembly for a necker machine includes an outer die mounting, an outer die, an outer die quick-release coupling, an inner die mounting, an inner die assembly, and an inner die quick-release coupling. The outer die is coupled to the outer die mounting by the outer die quick-release coupling. The inner die assembly is coupled to the inner die mounting by the inner die quick-release coupling.

A quick-change die assembly for a necker machine includes an outer die mounting, an outer die, an outer die quick-release coupling, an inner die mounting, an inner die assembly, and an inner die quick-release coupling. The outer die is coupled to the outer die mounting by the outer die quick-release coupling. The inner die assembly is coupled to the inner die mounting by the inner die quick-release coupling.

Device (1) for calibrating and straightening hollow components, preferably welded pipes (2), the device (1) being substantially composed of a frame (5) having two side stands (6, 7), a lower cross member (8) and an upper cross member (9), a ram (10) being provided, said ram (10) being movable toward the lower cross member (8) and back by means of a pressure-operable cylinder assembly (12) supported on the upper cross member (9), and a calibrating and straightening tool (11a) being provided between the lower cross member (8) and the ram (10), wherein the calibrating and straightening tool (11a) is changeably disposed on the lower cross member (8) and on the ram (10) and can be replaced with a bending tool (11b) for bending the lateral ends (3) of sheets (4) to produce pipes (2).

Device (1) for calibrating and straightening hollow components, preferably welded pipes (2), the device (1) being substantially composed of a frame (5) having two side stands (6, 7), a lower cross member (8) and an upper cross member (9), a ram (10) being provided, said ram (10) being movable toward the lower cross member (8) and back by means of a pressure-operable cylinder assembly (12) supported on the upper cross member (9), and a calibrating and straightening tool (11a) being provided between the lower cross member (8) and the ram (10), wherein the calibrating and straightening tool (11a) is changeably disposed on the lower cross member (8) and on the ram (10) and can be replaced with a bending tool (11b) for bending the lateral ends (3) of sheets (4) to produce pipes (2).

Systems and methods for loading and/or unloading a die in a press are disclosed. A handling system for loading a die may include a linear sliding path between a supply position outside the press and a press position on the press base, configured to support a die such that the die is displaceable while it is supported on the path, and a robot configured to displace the die between the supply position and the press position along the linear sliding path. A method may include providing a robot for loading workpieces in the press, providing a linear sliding path between a supply position outside the press and a press position on the press base, placing a die in the supply position, and causing the robot to displace the die on the linear sliding path, from the supply position to the press position.

Systems and methods for loading and/or unloading a die in a press are disclosed. A handling system for loading a die may include a linear sliding path between a supply position outside the press and a press position on the press base, configured to support a die such that the die is displaceable while it is supported on the path, and a robot configured to displace the die between the supply position and the press position along the linear sliding path. A method may include providing a robot for loading workpieces in the press, providing a linear sliding path between a supply position outside the press and a press position on the press base, placing a die in the supply position, and causing the robot to displace the die on the linear sliding path, from the supply position to the press position.

A quick-change die assembly for a necker machine includes an outer die mounting, an outer die, an outer die quick-release coupling, an inner die mounting, an inner die assembly, and an inner die quick-release coupling. The outer die is coupled to the outer die mounting by the outer die quick-release coupling. The inner die assembly is coupled to the inner die mounting by the inner die quick-release coupling.

A quick-change die assembly for a necker machine includes an outer die mounting, an outer die, an outer die quick-release coupling, an inner die mounting, an inner die assembly, and an inner die quick-release coupling. The outer die is coupled to the outer die mounting by the outer die quick-release coupling. The inner die assembly is coupled to the inner die mounting by the inner die quick-release coupling.