(57) Apparatus (1) for producing a outer body (2) for ball joint, the said outer body
(2) comprising an upper part (3) in the form of a head and a lower part (4) in the
form of a leg; the apparatus (1) comprising
- a cutting station for producing substantially cylindrical metal workpieces;
- at least one cold forming station (10) in which the initial workpiece is shaped with
two cylindrical parts (3, 4);
- at least one cold forming station (20, 30) in which the part (3) having the larger
diameter is formed with four sides (6a, 6a, 6b, 6b) in pairs parallel to one another;
- at least one cold shaping station (40, 50) acting to confer on the part (3) a curvilinear
form having two sides (6b, 6b) and an enlarged flat shape on the remaining two sides
(6a, 6a)
- means for displacing the workpiece;
- a control unit (11).
|
|
