Part i.e. front cradle, piercing system for e.g. motor vehicle, has digital control unit connected to rotary plate and piercing units for controlling displacement of piercing units and for controlling rotation of rotary plate

摘要

The system (S) has a conveying carriage (2) carrying a part i.e. front cradle, and displaceable along a conveying line (3). Piercing units (U1-U3) displaced between a rest position in which the piercing units does not function till the arrival of the part and a working position in which the piercing units carry out piercing. A disk shaped rotary plate (4) is mounted on the carriage and carries the part. A digital control unit is connected to the rotary plate and the piercing units for controlling displacement of the piercing units and for controlling rotation of the rotary plate.