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1. Control
In mass production, statistical control is used to reduce the frequency of inspection operations, measure system dispersion, continuously monitor critical parameters and make appropriate adjustments, reducing the need for sorting and reworking.
1.1 Acceptance controls
A foundry supplies around 30% of its sales with external products (excluding energy), a ratio that will be slightly higher for a non-ferrous foundry, due to the higher cost of metallic materials. This ratio underlines the importance of this cost item and its influence on the quality of the products manufactured.
That's why it's important to set up the necessary organization to ensure that all orders for raw materials, scrap metal, aluminum, sand, resins, special products,...
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