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Approach: The client reported that debris left in the assembly machines was causing the door interiors to be slightly marked and sometimes damaged, leading to costly re-works.
Working with the client, MCS designed a concept that would stop the assembly cycle just prior to the welding operation and prompt the operator to blow down the “nest” part of the machine to clear debris. To ensure that this had been done, an pressure switch was installed on the air line.
Rigorous functionality tests were carried out on live jobs to validate the robustness of the air blow system for all four machines. The Siemens S7 PLCs and HMIs that control the machines were modified and tested.
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