第二节：缺陷判定：一、注塑类：序号 不合格项目 标准 Ａ面 Ｂ面 Ｃ面

Section 2: Defect Judgment: <br>1. Injection category: <br>unqualified item standard A surface B surface C surface <br>1.1 Appearance of sand particles of <br>colored parts of the injection molded parts are 50mm apart and do not gather 2 points ≤0.75 level 2 points ≤0.75 Grade 3 points ≤1.3 grade <br>1.2 Appearance injection molded parts appear blunt bruises or impact marks at two places 50mm apart and do not gather 2 points ≤1.0 grade 2 points ≤1.0 grade 3 points ≤1.0 grade <br>1.3 Appearance injection molded parts surface scratches three grades Injured two places 50mm apart and not gathered 2 places 2 places 3 places <br>1.4 Appearance of scratches on the surface of injection molded parts Two scratches 50 places apart and not gathered 1 place 1 places 2 places <br>1.5 Appearance of scratches on the surface of injection parts First grade scratches two It is 50mm away from each other and does not gather. 0 places, 0 places, 1 place <br>1.6 The visible part of the injection molded part can be <br>wiped away. It can be seen at 60cm. 1 place, 1 place, 2 places. <br>1.7 The visible part of the injection molded part is dirty. <br>1.8 Appearance of injection molded parts with dents and bumps 50 mm apart and no aggregation 1 place ≤1.0 grade 1 place ≤1.0 grade 2 places ≤1.0 grade <br>1.9 Appearance of injection molded parts deformation flatness ≤0.5mm ≤0.5mm ≤0.5mm

Section 2: Defect determination:<br>First, injection molding class:<br>Serial number Nonconforming item standard A side B side C side<br>1.1 Sand grains from the appearance of injection molding parts<br>Heterocolor point two points apart 50mm and do not gather 2 points , 0.75 level 2 points , 0.75 level 3 points , 1.3 level<br>1.2 Appearance injection molding parts appear blunt bump or impact traces two places 50mm apart and do not gather 2 points s 1.0 level 2 points s 1.0 level 3 points s 1.0 level<br>1.3 Appearance injection mold surface scratch Three-level scratch two places 50mm apart and do not gather 2 2 places 3<br>1.4 Appearance injection mold surface scratch secondary scratch two places 50mm apart and do not gather 1 place 2<br>1.5 Appearance injection mold surface scratch 1st scratch two places 50mm apart and do not gather 0 places 0 1<br>1.6 The visible part of the injection molding can be dirty<br>Wipe 60cm visible at 60cm 1 place 1 place 2<br>1.7 Injection parts visible part dirty and unwipeable at 60cm visible at 0 0 0<br>1.8 Appearance injection molding parts appear dented bumps two places 50mm apart and do not gather 1 s 1.0 level 1 s.0 level 2 s.0 level<br>1.9 Appearance injection mold edified flatness of s.5mm s.5mm s.5mm s.5mm

Section 2: defect determination:<br>1、 Injection molding:<br>No. unqualified item standard a, B, C<br>1.1 sand particles in appearance injection molding parts<br>The distance between the two heterochromatic points is 50 mm and the two points are not clustered, 2 points ≤ 0.75 grade, 2 points ≤ 0.75 grade, 3 points ≤ 1.3 grade<br>1.2 the distance between two blunt bruises or impact marks of the external injection molded parts is 50mm and the two points are not clustered, 2 points ≤ 1.0, 2 points ≤ 1.0, 3 points ≤ 1.0<br>1.3 the surface of the injection molding part is scratched three times, two places are 50 mm apart, two places are not clustered, two places are scratched, three places are scratched<br>1.4 the surface of the external injection molding part is scratched twice, two places are 50mm apart and one place is not clustered, one place is scratched twice<br>1.5 appearance: the surface of injection molded parts is scratched at the first level, two places are 50mm apart and 0 place is not clustered, one place is 0 place<br>1.6 the visible part of the injection part is dirty<br>Wipe 60 cm, one place, one place and two places<br>1.7 the visible part of the injection molding part is dirty and can't be wiped. 0 is visible at 60cm and 0 is visible at 0<br>1.8 the distance between the two concave and convex points of the appearance injection molded parts is 50 mm, and the distance between them is 1 place ≤ 1.0 level, 1 place ≤ 1.0 level, 2 places ≤ 1.0 level<br>1.9 deformation flatness of appearance injection molded parts ≤ 0.5mm ≤ 0.5mm ≤ 0.5mm<br>