The engine intake manifold means that any design and production process of stamping parts will encounter design changes, process changes, etc. How to ensure that these changes will have an impact on subsequent production quality, need to be verified at the production front end , Do the first piece inspection.
First part inspection of stamping parts: During the production process of stamping parts, any one of the elements of human, machine, material, method, and ring changes. For mass-produced parts, the first thing in the production line processing is the inspection of the first part, which usually refers to A certain number of samples usually take 5-10 pieces of continuous production product inspection, and the production can be continued after the inspection is qualified. Before each shift work starts, the first piece of inspection must be passed;
First Article Inspection
The purpose of the first part inspection of stamping parts: mainly to prevent batch products from out-of-size problems, rework, scrapping, etc., a means to control the product process in advance, to determine whether there are problems with the five elements, and a means to ensure product quality;
Occasions for the inspection of the first piece of stamping parts: before the start of each shift; replacement of the operator; replacement of equipment, tooling, etc .; changes in technical requirements; requirements for the inspection of the first piece of stamping parts when replacement of new materials and other elements: can be adopted: Inspection, mutual inspection, and inspection; the products submitted for inspection need to be inspected by the operator first, and then transferred to the mold installer for mutual inspection, and then inspected by the inspector;
Standard operation procedure for the inspection of the first piece of stamping parts: the new product inspection process established within the company can be used, refer to the process flow card, perform effective inspection and make records, and return to re-production for unqualified. The qualified first piece is sealed.
