| 主权项 |
1. A method for controlling a welder with a consumable electrode for welding a workpiece, the method comprising steps of:
providing a welder and providing a memory device, the welder comprising a control panel, storing in the memory device welding parameter values of welding parameters each required for a welding process, wherein the welding parameter values are stored in the form of a plurality if characteristic curve fields each comprising several characteristic curves through at least one support point per characteristic curve,
each support point including all of the welding parameter values required for a respective welding process,each characteristic curve field comprising several characteristic curves from a respective pure welding process,the plurality of characteristic curve fields being coupled to one overall characteristic curve field,a first characteristic curve field of the plurality of characteristic curve fields being for one of a pulse welding process, a CMT welding process and a negatively poled welding process,a second characteristic curve field of the plurality of characteristic curve fields being for a different one of a pulse welding process, a CMT welding process, and a negatively poled welding process,and a mixed region being located between the first characteristic curve field and the characteristic curve field, setting a working point via the control panel for the welding of the workpiece, and adjusting via the control panel the working point to form an adapted working point in one of the first characteristic curve field and the second characteristic curve field, the adapted working point including respective values of the welding parameters, the adjusting occurring by adapting a first value to a welding application, the first value being selected from the group consisting of a heat input value for heat input into the workpiece and a wire feed speed value for wire feed speed, wherein when adapting said first value, a second different value selected from said group is kept constant and the adapted working point is automatically determined by a calculation method from at least two support points of at least one of the first and second characteristic curve fields, wherein a first support point of the at least two support points is from the first characteristic curve field and a second support point of the at least two support points is from the second characteristic curve field, completing the welding application by cyclically alternating the pure welding process of the first characteristic curve field corresponding to one of the pulse welding process, the CMT welding process and the negatively poled welding process, and the pure welding process of the second characteristic curve field corresponding to a different one of the pulse welding process, the CMT welding process, and the negatively poled welding process, thereby automatically combining and cyclically alternating two different pure welding processes in order to achieve and keep constant the second different value selected from the group consisting of the heat input value and the wire feed speed value while the first value selected from the group consisting of the heat input value and the wire feed speed value is altered, and wherein a number of welding cycles of the welding process is calculated by the calculation method. |
