SHOP4CF stands for Smart Human Oriented Platform for Connected Factories and is...
Support its workers and to reduce the error rate
Robert Bosch España Fábrica Madrid S.A. is the mass-scale manufacturer for automotive sensors, which process is fully automated and is running 24/7 non-stop. However, the plant is also manufacturing Electronic Control Units, where small series of spare parts are supplied to car makers and aftermarket. Since the batches are small and it only requires a few hours in one month, even in some cases, in one year, hence it is neither possible
BOSCH expects to support collaboration and monitor the process, speed up task allocation, exception handling, reduce labour effort (lifting and transferring products) and quality checking operations, thus changing this area into a truly collaborative workspace.
This will be achieved by redesigning and optimising production process, to take full advantage of several new technologies – end-to-end production monitoring and execution including:
AGVs capable of transferring components and processed goods between the working cells without interrupting the workers’ tasks;
Additional technologies like RFID or computer vision to facilitate tracking and quality assurance integration of this production process with the existing management software, including SAP used in the plant.
Currently the worker has to read carefully the instructions and understand the whole assembly sequence and actions required. Then they have to perform the assembly sequence keeping in line with the instructions. After the assembly is completed, the worker has to manually check if the assembled PCB corresponds to the result on the instructions.
Additionally, the transport of finished PCBs (depending on the final product to be manufactured) has to be done between floors. This introduces a big amount of non-added value worker time for performing manually these transfers. Additionally, in crisis situation, like the COVID pandemic, the personnel is reduced, and it needs to even more focus on added value activities instead of transporting items.
The objective of the SHOP4CF pilot is to release the worker from the cognitive load, and ensure the correctness and quality of the assembled PCB, as well as take over the transporting of assembled PCBs.
AR support for assembling PCBs
Transfer of PCB trays between the lines & ‘supermarkets’
The 2nd pilot at Bosch is focused on an production with similar parallel automated production lines. These lines produce similar, but not identical products. The lines are not utilized 24/7, but their utilization time depends on the orders and the type of products that are required. Each line is fed with trays of parts, which, again, are similar but not identical. As the utilization rate of these lines is random, it is difficult to schedule specific resources for taking over the loading task for these lines. As a result, the feeding task is performed by workers, whose main responsibility is another production task.
The objective of the SHOP4CF pilot is to use 1 robotic arm on top of an automated mobile platform (AGV), which will be efficiently shared across these production lines.
Multiple-line material loading by shared autonomous mobile robot
The automated process model will ensure traceability and support timely allocation of tasks and shorter production cycles. The AGVs improves the overall productivity of the line and reduced workers burden of repetitive and arduous work.
In the first stage of piloting the new lines will be tested outside of the manufacturing line. Afterwards, the newly developed stations will be integrated within the existing manufacturing process.The main results will be demonstrated in core Bosch management level and employees
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