measures:1、The process personnel are required to make replacement and maintenance records of various equipment and tooling. After the equipment tooling is replaced, because some tooling is machined parts, there will be some deviation in accuracy and installation on the equipment. For these phenomena, the process parameter record card shall be reset and confirmed when replacing equipment parts or tooling.2、Make a quality warning record sheet at the site, hang the pictures that are prone to scratches on the steel wire and the appearance of the product due to bending on the workbench to warn the operator, and increase the inspector to perform spot inspections on the prone defects during the first article inspection. deal with. To ensure product quality requirements.