part_design_checklist（德國拜爾提供）Part Design Checklist For Injection Molded Engineering Thermoplastics MATERIAL SELECTION REQUIREMENTS LOADS ENVIRONMENT Magnitude Temperature Lubncants Transparency Flammability Duration Chemicals U.V. Light Paintability Cost Impact Humidity Fatigue Cleaning Agents Wear SPECIAL Plateablilty Agency Approval Warpage/Shrinkage PART DETAILS REVIEW RADII WALL THICKNESS Material Flow Sharp Corners Ribs Bosses Lettering Strength Flow Length Picture Framing Thick Areas Radii Base Thickness Radii Base Thickness Proximity to Load Draw Polish Part Geometry Electrical Too Thin Orientation Thin Areas Draft Flammability Thin to Thick (Avoid) Uniformity RIBS Abrupt Changes Height Spacing BOSSES Draft Length/Diameter Strength vs. Load Texture Depth Material Inside Diameter/Outside Diameter WE……