汽车复盖件质量检验包括外观检验和精度检验。外观检验是靠手摸、目视、光照反射、光照投影等方法检查其缺陷,而精度检验一般在检验夹具上进行的。由于复盖件外形是立体曲面,而且很软,很难用一般普通万能量具检查是否合格品,用检验夹具可以解决问题。用检验夹具检查汽车复盖件的主要项目有整体形状、外周轮廓曲线、孔径或孔位以及其它重要断面等尺寸 Automotive cover quality inspection, including visual inspection and accuracy testing. Visual inspection is touch by hand, visual, light reflection, light projection and other methods to check for defects, and the accuracy of the test is generally carried out on the test fixture. As the cover is a three-dimensional surface shape, and very soft, it is difficult to use general-purpose universal measuring equipment to check whether the qualified products, test fixtures can solve the problem. Check with the inspection fixture car cover the main items are the overall shape of the outer contour curve, aperture or hole size and other important sections such as size