TCL mobile phone structural parts test procedure Mobile phone structural parts surface test procedure 1. Scope This standard specifies the appearance inspection and structural parts inspection of mobile phones. This standard is applicable to the structural parts inspection of GSM mobile phones, CDMA mobile phones, and 3G mobile phones developed and produced by our company, and is applicable to each stage of mobile phone research and development, trial production, batch production, IQC incoming material inspection, QA enhanced testing, etc. 2. Normative references GB/T 2423.1-2001 Environmental testing for electric and electronic products Part 2: Test methods Test A: Low temperature GB/T 2423.2-2001 Environmental testing for electric and electronic products Part 2: Test methods Test B: High temperature GB/T 2423.3-1993 Basic environmental testing procedures for electric and electronic products Test Ca: Steady-state damp heat test method GB/T 2423.22-2002 Environmental testing for electric and electronic products Part 2: Test methods Test N: Temperature change GB/T 10125-1997 Artificial atmosphere corrosion test Salt spray test GB/T9286-1998 Cross-cut test for paint and varnish films 3. Terms and definitions The following terms and definitions apply to this standard. 3.1 Definition of defects 3.1.1 Definition of defects for plastic parts Point defects: Defects with point shapes, the maximum diameter of which is the standard for measurement. Discoloration: The color of the plastic part is different from the surrounding spots. Bubbles: The shrinkage holes inside the molded product are caused by insufficient drying of the raw materials. Multiple glue points are caused by damage to the mold, resulting in small plastic protrusions on the surface of the product. Shrinkage: When the plastic melt passes through a thinner section, its pressure loss is very large, and it is difficult to continue to maintain a high pressure to fill the pits formed in the thicker section. Bright spots For non-glossy plastic parts, due to the thickness of the wall...
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