The automobile industry is constantly working on new safety systems, such as ABS or ESP, to make driving on the streets safer. In addition to the know-how, behind all this protection is the highest product quality — even in the processing of the respective cable. The company, for which was built this assembly system, has been specialized in the processing of cables for the automobile industry for over 10 years, as well as the production of sensor cables for ABS and ESP systems. Since these cables have to withstand special loads, the safety requirements are correspondingly high. Metzner became aware of this, too, when the company made an inquiry about a customized system for processing the cables. The requirements
The system must process the cables so that, at the end, a protective housing can be moulded on with a water- and gas-tight bond. To guarantee this, the cables must be roughened to an exactly defined depth. In addition, a camera system must check and record the various work steps. Finally, the processed cables must be transferred to a workpiece carrier system fully automatically and with high precision. The implementation
The main processing features consist of four steps: printing, roughing, stripping and depositing in a conveyor magazine. The cable to be processed is fed from an electrically driven dereeler via a feed device with sag control. Two hot stamp markers take care of clearly marking the cable on both sides. The cable is then delivered to the roughing station. The roughing station grinds the cable with two diamond grinding wheels, which rotate around the cable, to the exact roughing depth. Afterwards, the cable is stripped at the desired place. The system requires 4.5 seconds for the entire cable processing, incl. depositing. All parameters, such as cable length, roughing depth or printing, are freely programmable and can be edited via the operating terminal. Transport and safety
Depositing finished cables involves further safety requirements: The cables are placed in a magazine, eight at a time, after processing. Four gripper arms automatically remove the cables and place these exactly positioned in the available magazines. Afterwards, the cables are checked via video monitoring for any defects/errors. |
