Specifying functionally required tolerances based on polymer behavior. Toolmakers Agreeing on shrinkage compensation and tool contour limits. Quality Engineers Applying acceptance criteria in production control plans. Tolerance Group (TG) table breakdown for a particular nominal dimension range? TOLERANCES
The standard, which replaced DIN 16742, defines the tolerances and acceptance conditions for plastic molded parts. It uses Tolerance Groups (TG) to classify accuracy based on material properties and manufacturing processes. Key Tolerance Group: TG6 iso 20457 tolerance table pdf
The standard uses a to define tolerance grades: which replaced DIN 16742
Read the corresponding plus/minus ( ±plus or minus ) value in millimeters. Simplified ISO 20457 Tolerance Lookup iso 20457 tolerance table pdf