A method for obtaining a three-dimensional curve in a tubular product starting from a tube extending along a rectilinear longitudinal axis includes performing, by a first bending device, a first bending operation on a bending plane passing through the rectilinear longitudinal axis (x), so that the tube leaving the first bending device has a curved portion lying on the plane of curvature, and performing on the tube leaving the first bending device, by a second bending device, a second bending operation, so that the curved portion of the tube at the output of the second bending device has a first tangent and a second tangent (t1, t2) at its opposite ends lying on a cylindrical surface having generatrices orthogonal to two planes (A1, A2) respectively containing the first and second tangents (t1, t2). A method for manufacturing complex-curvature tubular products is also provided.

A method for obtaining a three-dimensional curve in a tubular product starting from a tube extending along a rectilinear longitudinal axis includes performing, by a first bending device, a first bending operation on a bending plane passing through the rectilinear longitudinal axis (x), so that the tube leaving the first bending device has a curved portion lying on the plane of curvature, and performing on the tube leaving the first bending device, by a second bending device, a second bending operation, so that the curved portion of the tube at the output of the second bending device has a first tangent and a second tangent (t1, t2) at its opposite ends lying on a cylindrical surface having generatrices orthogonal to two planes (A1, A2) respectively containing the first and second tangents (t1, t2). A method for manufacturing complex-curvature tubular products is also provided.

A tool for bending cable comprising a web forming a base having an upper surface, a lower surface, first edge, second edge, a first area of the base defining a bend member portion and a second area of the base defining a hand hold portion. The tool further comprising a set of wire gauge measuring intervals is integral with the first edge in the second area. The tool further comprising a set of bend members is arranged in a raised diminishing hierarchy on the upper surface in the first area, forming a cable bend radius gauge.

A tool for bending cable comprising a web forming a base having an upper surface, a lower surface, first edge, second edge, a first area of the base defining a bend member portion and a second area of the base defining a hand hold portion. The tool further comprising a set of wire gauge measuring intervals is integral with the first edge in the second area. The tool further comprising a set of bend members is arranged in a raised diminishing hierarchy on the upper surface in the first area, forming a cable bend radius gauge.

Tube bending systems configured to bend a tube. The tube bending systems include a tube bending device and a lubrication system. The tube bending device includes a bending device frame and a bending die assembly. The tube bending device is configured to bend the tube. The bending die assembly is mounted to the bending device frame and includes a bending die against which the tube is selectively bent. The lubrication system is configured to selectively direct a lubrication fluid to the tube proximate the bending die assembly.

The present invention relates to an automatic bending apparatus for a copper pipe connector that is capable of bending the copper pipe connector through a single operation, and the automatic bending apparatus includes: a body movably placed on a floor; a supply part located on a side portion of the body to supply the copper pipe connector to be bent; a bending position adjusting part located on top of the body to allow the copper pipe connector supplied from the supply part to be placed at an accurate bending position; a first bending part and a second bending part located on top of the body to face each other and adapted to bend the copper pipe connector; and a controller located above the side portion of the body to control operations of the respective parts.

A method produces a bent part from an elongate workpiece, in particular from a wire or a tube from round, flat, or profiled material, by a bending machine, the workpiece is fed to a bending unit of the bending machine, wherein the bending unit has a bending head which by a Z-drive is displaceable in a manner parallel with a bending head axis and has a bending tool which by a bending drive is rotatable about a bending axis. A fed portion of the workpiece by operating movements of the bending head is formed to a two-dimensionally or three-dimensionally bent part.

A method produces a bent part from an elongate workpiece, in particular from a wire or a tube from round, flat, or profiled material, by a bending machine, the workpiece is fed to a bending unit of the bending machine, wherein the bending unit has a bending head which by a Z-drive is displaceable in a manner parallel with a bending head axis and has a bending tool which by a bending drive is rotatable about a bending axis. A fed portion of the workpiece by operating movements of the bending head is formed to a two-dimensionally or three-dimensionally bent part.

A machine for bending an elongated workpiece without wrinkling has a roller-like bending die (2) with a vice (3) adapted to retain one end of the elongated workpiece (P) to be bent. The roller-like bending die (2), being provided with a central hole (5) and a groove profile (6) and rotatable about a rotation axis (y), bears, centrally and coaxially in its groove profile (6), a plate element (18) oscillating with respect to the bending die (2) around a rotation axis (y) thereof. The plate element (18) having a peripheral edge (19) which continues the groove profile (6) of the bending die (2) consists of at least two pieces (20, 21) which are adapted to be connected to one another to surround the bending die (2).

Pressure die systems configured to be used in a tube bending machine having a machine frame. The pressure die systems include a system frame, a first pressure die, a second pressure die, and a pivot assembly. The first pressure die is supported on the system frame. The second pressure die is spaced from the first pressure die and supported on the system frame. The pivot assembly is moveably mounted to the system frame between the first pressure die and the second pressure die. The system frame pivots about the pivot assembly. The pivot assembly is configured to move relative to the system frame to different positions between the first pressure die and the second pressure die to define different pivot positions for the system frame.