Laser ablation and welding method for workpieces (50, 51, 80, 81, 100, 101), in particular metal sheets, wherein the method comprises the following method steps: a. inserting at least two workpieces (50, 51, 80, 81, 100, 101) into a clamping unit (3, 20, 49); b. clamping the workpieces (50, 51, 80, 81, 100, 101) in the clamping unit (3, 20, 49) via one first clamping means (102, 103) each in a first position; c. aligning the clamped workpieces (50, 51, 80, 81, 100, 101) and the first clamping means (102, 103), which clamp the workpieces (50, 51, 80, 81, 100, 101), in a first ablation position; d. ablation of at least one joining edge (61, 62, 82, 83, 113, 114) of at least one clamped workpiece (50, 51, 80, 81, 100, 101) by means of at least one laser head (84, 85); characterized by the following method steps: e. clamping a first of the at least two workpieces (50, 51, 80, 81, 100, 101) via a second clamping means (104, 105) in the first position and disengaging the first clamping means (102, 103) at the first of the at least two workpieces (50, 51, 80, 81, 100, 101); f. moving the first clamping means (102, 103) in the direction of the joining edge (61, 62, 82, 113, 114) at the first workpiece; g. clamping the first workpiece via the first clamping means (102, 103), disengaging the second clamping means (104, 105), and aligning the first workpiece and the first clamping means (102, 103) in a joining position; h. clamping a second of the at least two workpieces (50, 51, 80, 81, 100, 101) via a second clamping means in the first position and disengaging the first clamping means (102, 103) at the second of the at least two workpieces (50, 51, 80, 81, 100, 101); i. moving the first clamping means (102, 103) in the direction of the/one joining edge (61, 62, 82, 83, 113, 114) at the second workpiece; j. clamping the second workpiece via the first clamping means (102, 103), disengaging the second clamping means (104, 105), and aligning the second workpiece and the first clamping means (102, 103) in the/one joining position; k. connecting, in particular laser welding the workpieces (50, 51, 80, 81, 100, 101) at the respective joining edge (61, 62, 82, 83, 113, 114); 1. disengaging the clamping means (21, 22, 102, 103, 104, 105) and transferring the joined workpieces (50, 51, 80, 81, 100, 101) to a transport unit. a. inserting at least two workpieces (50, 51, 80, 81, 100, 101) into a clamping unit (3, 20, 49); b. clamping the workpieces (50, 51, 80, 81, 100, 101) in the clamping unit (3, 20, 49) via one first clamping means (102, 103) each in a first position; c. aligning the clamped workpieces (50, 51, 80, 81, 100, 101) and the first clamping means (102, 103), which clamp the workpieces (50, 51, 80, 81, 100, 101), in a first ablation position; d. ablation of at least one joining edge (61, 62, 82, 83, 113, 114) of at least one clamped workpiece (50, 51, 80, 81, 100, 101) by means of at least one laser head (84, 85); e. clamping a first of the at least two workpieces (50, 51, 80, 81, 100, 101) via a second clamping means (104, 105) in the first position and disengaging the first clamping means (102, 103) at the first of the at least two workpieces (50, 51, 80, 81, 100, 101); f. moving the first clamping means (102, 103) in the direction of the joining edge (61, 62, 82, 113, 114) at the first workpiece; g. clamping the first workpiece via the first clamping means (102, 103), disengaging the second clamping means (104, 105), and aligning the first workpiece and the first clamping means (102, 103) in a joining position; h. clamping a second of the at least two workpieces (50, 51, 80, 81, 100, 101) via a second clamping means in the first position and disengaging the first clamping means (102, 103) at the second of the at least two workpieces (50, 51, 80, 81, 100, 101); i. moving the first clamping means (102, 103) in the direction of the/one joining edge (61, 62, 82, 83, 113, 114) at the second workpiece; j. clamping the second workpiece via the first clamping means (102, 103), disengaging the second clamping means (104, 105), and aligning the second workpiece and the first clamping means (102, 103) in the/one joining position; k. connecting, in particular laser welding the workpieces (50, 51, 80, 81, 100, 101) at the respective joining edge (61, 62, 82, 83, 113, 114); 1. disengaging the clamping means (21, 22, 102, 103, 104, 105) and transferring the joined workpieces (50, 51, 80, 81, 100, 101) to a transport unit.