A coil-forming machine adapted to receive a series of preformed loops of wire and to accumulate said loops of wire in order to form an upright coil of wire, the coil-forming machine comprising: - one or more support members for supporting a coil of wire formed in the coil-forming machine; and - a wire guiding arrangement, wherein the wire guiding arrangement comprises: • a housing which defines an upwardly open wire guiding channel, • a plurality of pivotal guide members distributed about a vertical centre axis of the wire guiding channel, wherein each guide member is pivotally mounted to the housing so as to be pivotable into the wire guiding channel towards the centre axis thereof in order to come into contact with loops of wire which are falling downwards through the wire guiding channel towards said support member or members and thereby influence the horizontal positioning of these loops of wire in the wire guiding channel and in the coil of wire formed on said support member or members, and • an actuating device for pivoting the guide members, comprising an annular actuating member, characterized in that the actuating device further comprises: - a set of actuators connected to the actuating member, wherein the actuating member is tiltable in relation to the housing under the effect of the actuators; and - a plurality of link mechanisms, wherein each link mechanism forms a connection between one of the guide members and the actuating member to thereby allow the actuators to control the pivotal positions of the guide members via the actuating member and the link mechanisms. - one or more support members for supporting a coil of wire formed in the coil-forming machine; and - a wire guiding arrangement, wherein the wire guiding arrangement comprises: • a housing which defines an upwardly open wire guiding channel, • a plurality of pivotal guide members distributed about a vertical centre axis of the wire guiding channel, wherein each guide member is pivotally mounted to the housing so as to be pivotable into the wire guiding channel towards the centre axis thereof in order to come into contact with loops of wire which are falling downwards through the wire guiding channel towards said support member or members and thereby influence the horizontal positioning of these loops of wire in the wire guiding channel and in the coil of wire formed on said support member or members, and • an actuating device for pivoting the guide members, comprising an annular actuating member, • a housing which defines an upwardly open wire guiding channel, • a plurality of pivotal guide members distributed about a vertical centre axis of the wire guiding channel, wherein each guide member is pivotally mounted to the housing so as to be pivotable into the wire guiding channel towards the centre axis thereof in order to come into contact with loops of wire which are falling downwards through the wire guiding channel towards said support member or members and thereby influence the horizontal positioning of these loops of wire in the wire guiding channel and in the coil of wire formed on said support member or members, and • an actuating device for pivoting the guide members, comprising an annular actuating member, - a set of actuators connected to the actuating member, wherein the actuating member is tiltable in relation to the housing under the effect of the actuators; and - a plurality of link mechanisms, wherein each link mechanism forms a connection between one of the guide members and the actuating member to thereby allow the actuators to control the pivotal positions of the guide members via the actuating member and the link mechanisms.