Optimisation of cleaning process
Cleaning and degreasing steps are essential part of surface treatment. The proposal of cleaning process has to consider not only the quality of cleaning process, but also the overall process cost. Generally, the higher cleaning requirement, the higher is the cost. The total cost consists not only from expenses for chemicals and energies, but also from cost for labour, waste treatment, reject rework and machine utilization and depreciation. The proper process optimisation results in good quality while keeping reasonable overall cost.