A thread laying device for winding a thread onto a spool, comprising: - two impellers (26, 28) having blades (26a, 26b, 26c; 28a, 28b, 28c) extending in a radial direction from an axis of rotation (32, 34) of the respective impeller (26, 28) and each having a blade front side and a blade rear side; - an electric motor for each impeller (26, 28), wherein the two impellers (26, 28) can be driven by means of the electric motors about their respective axis of rotation (32, 34) in opposite directions in a respective rotational traversing direction, in order to move the thread to be wound back and forth along a traverse axis; - a thread guide rule for the thread; and - a control device for controlling the electric motors, characterized in that the control unit is programmed for positioning the thread at a predefined axial position along the traverse axis, a) to control the electric motors in such a way that one of the two impellers (26, 28) moves the thread with the blade front side of one of its blades (26a, 26b, 26c; 28a, 28b, 28c) in its rotational traversing direction into the predefined axial position, and the respective other of the two impellers (26, 28) is moved around its axis of rotation (32, 34) until the thread in the predefined axial position is guided between the blade front side of the blade (26a, 26b, 26c; 28a, 28b, 28c) of the one impeller (26, 28) and the blade front side of a blade (26a, 26b, 26c; 28a, 28b, 28c) of the other impeller (26, 28); or b) to control the electric motor of one of the two impellers (26, 28) in such a way that the impeller (26, 28) moves the thread with the blade rear side of one of its blades (26a, 26b, 26c; 28a, 28b, 28c) against its rotational traversing direction into the predefined axial position. - two impellers (26, 28) having blades (26a, 26b, 26c; 28a, 28b, 28c) extending in a radial direction from an axis of rotation (32, 34) of the respective impeller (26, 28) and each having a blade front side and a blade rear side; - an electric motor for each impeller (26, 28), wherein the two impellers (26, 28) can be driven by means of the electric motors about their respective axis of rotation (32, 34) in opposite directions in a respective rotational traversing direction, in order to move the thread to be wound back and forth along a traverse axis; - a thread guide rule for the thread; and - a control device for controlling the electric motors, characterized in that the control unit is programmed for positioning the thread at a predefined axial position along the traverse axis, a) to control the electric motors in such a way that one of the two impellers (26, 28) moves the thread with the blade front side of one of its blades (26a, 26b, 26c; 28a, 28b, 28c) in its rotational traversing direction into the predefined axial position, and the respective other of the two impellers (26, 28) is moved around its axis of rotation (32, 34) until the thread in the predefined axial position is guided between the blade front side of the blade (26a, 26b, 26c; 28a, 28b, 28c) of the one impeller (26, 28) and the blade front side of a blade (26a, 26b, 26c; 28a, 28b, 28c) of the other impeller (26, 28); or b) to control the electric motor of one of the two impellers (26, 28) in such a way that the impeller (26, 28) moves the thread with the blade rear side of one of its blades (26a, 26b, 26c; 28a, 28b, 28c) against its rotational traversing direction into the predefined axial position. a) to control the electric motors in such a way that one of the two impellers (26, 28) moves the thread with the blade front side of one of its blades (26a, 26b, 26c; 28a, 28b, 28c) in its rotational traversing direction into the predefined axial position, and the respective other of the two impellers (26, 28) is moved around its axis of rotation (32, 34) until the thread in the predefined axial position is guided between the blade front side of the blade (26a, 26b, 26c; 28a, 28b, 28c) of the one impeller (26, 28) and the blade front side of a blade (26a, 26b, 26c; 28a, 28b, 28c) of the other impeller (26, 28); or b) to control the electric motor of one of the two impellers (26, 28) in such a way that the impeller (26, 28) moves the thread with the blade rear side of one of its blades (26a, 26b, 26c; 28a, 28b, 28c) against its rotational traversing direction into the predefined axial position.