Plastics / Product Development / Production

    •   [de]
    •   [de]
    •   [de]
    •   [de]
    •   [de]
    •   Material Selection [de] [en]
      •   6.1  Introduction to Material Selection [de] [en]
      •   6.2  Systematic Approach [de] [en]
      •   6.3  Aids for the Selection of Materials [de] [en]
        •   6.3.1  Databases [de] [en]
          •   6.3.1.1  Database CAMPUS/Material Data Center [de] [en]
          •   6.3.1.2  Prospector Database/Ides Inc. [de] [en]
        •   6.3.2  Research [de] [en]
        •   6.3.3  Practical Laboratory Tests [de] [en]
      •   6.4  [de]
      •     Literature Chapter 6 [de]
      •   6.5  [de]
    •   Product Design [de] [en]
        •   7.1.1  Introduction to Design Rules [de] [en]
        •   7.1.2  Rule 1: Design Minimal Wall Thicknesses [de] [en]
        •   7.1.3  Rule 2 Design Identical Wall Thicknesses [de] [en]
        •   7.1.4  Rule 3: Avoid Material Build-Up [de] [en]
        •   7.1.5  Rule 4: Provide Corners and Edges with Radii [de] [en]
        •   7.1.6  Rule 5: Design Ribs to Suit Injection Moulding Process [de] [en]
        •   7.1.7  Rule 6: Avoid Flat Surfaces [de] [en]
        •   7.1.8  Rule 7: Provide Adequate Conicity [de] [en]
        •   7.1.9  Rule 8: Avoid Undercuts [de] [en]
        •   7.1.10  Rule 9: Avoid Unnecessary Precision Machining [de] [en]
        •   7.1.11  Rule 10: Use Maximum Potential of Free Shaping [de] [en]
        •   7.1.12  Rule 11: Consider the Gate Position when Designing a Mould [de] [en]
        •   7.1.13  Rule 12: Provide Metal-Plastic Composites with a Stress-Compensating Design [de] [en]
        •   7.1.14  Rule 13: Design Plastic-Specific Holes and Cores [de] [en]
        •   7.1.15  Rule 14: Design Plastic-Specific Threads [de] [en]
        •   7.1.16  Rule 15: Optimise Moulded Parts to Suit Production Process [de] [en]
        •     Literature Chapter 7.1 [de] [en]
      •   7.2  [de]
      •   7.3  [de]
      •   7.4  [de]
      •   8.1  Dimensioning Parameters [de] [en]
      •   8.2  Dimensioning Strategies [de] [en]
        •   8.2.1  Dimensioning Objectives and Characteristic Features of Plastic Applications [de] [en]
        •   8.2.2  Dimensioning Based on Permissible Stress [de] [en]
          •   8.2.2.1  Strength Value K as a Dimensioning Factor [de] [en]
          •   8.2.2.2  Safety Factors [de] [en]
          •   8.2.2.3  Reduction Factors [de] [en]
        •   8.2.3  Dimensioning Based on Permissible Strain [de] [en]
      •   8.3  Conventional Dimensioning [de]
        •   8.3.1  Application and Limits of Conventional Dimensioning [de] [en]
        •   8.3.2  Area Moments and Section Moduli, Radius of Gyration for Bending and Buckling [de] [en]
        •   8.3.3  Bending of Beams [de] [en]
        •   8.3.4  Torsion [de] [en]
        •   8.3.5  Shear [de] [en]
        •   8.3.6  Internal Pressure Loading of Thin-Walled Containers and Pipes [de] [en]
      •     Literature Chapter 8.1 to 8.3 [de] [en]
    •   [de]
    •   10  [de]
      •   11.1  Tolerance Issues and Causes for Dimensional Variations of Plastic Products [de] [en]
        •   11.1.1  Tabular Overview of Causes for Dimensional Variations of Plastic Products [de] [en]
        •   11.1.2  Causes for Dimensional Variations in the Manufacture of Plastic Products [de] [en]
          •   11.1.2.1  Influence of Material [de] [en]
          •   11.1.2.2  Influence of Design [de] [en]
          •   11.1.2.3  Influence of Tooling [de] [en]
          •   11.1.2.4  Influence of Manufacturing Process [de] [en]
        •   11.1.3  Changes of Dimensions and Geometry of Plastic Applications under Operating Conditions [de] [en]
          •   11.1.3.1  Influence of Temperature [de] [en]
          •   11.1.3.2  Influence of Surrounding Media [de] [en]
          •   11.1.3.3  Influence of Post-Mould Shrinkage [de] [en]
          •   11.1.3.4  Influence of Mechanical Load [de] [en]
          •   11.1.3.5  Influence of Wear [de] [en]
      •   11.2  Tolerance System [de] [en]
        •   11.2.1  Terminology [de] [en]
        •   11.2.2  Important Tolerance Standards for All Materials Including Plastics [de] [en]
          •   11.2.2.1  The Material-Independent ISO System of Tolerances [de] [en]
          •   11.2.2.2  General Tolerances for Metal Parts [de] [en]
      •   11.3  Tolerance Standards for Plastic Products [de] [en]
        •   11.3.1  DIN 16 901 Concerning the Tolerancing of Parts Produced by Injection Moulding. Injection-Compression Moulding, Transfer Moulding and Pressing (Withdrawn by DIN in 2009) [de] [en]
        •   11.3.2  DIN 16742 Moulded Plastic Parts - Tolerances and Acceptance Conditions [de] [en]
        •   11.3.3  Forms for the Use of DIN 16742 [de] [en]
      •     Literature Section 11 [de] [en]
    •   12  Costing [de] [en]
      •   12.1  Calculation of Manufacturing Costs of Injection Moulded Parts [de] [en]
        •   12.1.1  Introduction to Costing [de] [en]
        •   12.1.2  Structure of Manufacturing Costs [de] [en]
        •   12.1.3  Calculation of Purchase Prices Taking Overheads and Profits into Account [de] [en]
        •   12.1.4  [de]
        •   12.1.5  Costing with the Online Costing Tool [de] [en]
          •   12.1.5.1  General Information of the Online Costing Tool [de] [en]
          •   12.1.5.2  Section: General Information [de] [en]
          •   12.1.5.3  Section: Manufacturing Costs of an Injection Moulded Part [de] [en]
          •   12.1.5.4  Section: Overview of Product Costs Including Overheads and Profit [de] [en]
          •   12.1.5.5  Section: Graphical Evaluation [de] [en]
          •   12.1.5.6  Detailed Documentation of Results [de] [en]
      •     Literature Chapter 12 [de] [en]
    •   13  [de]
    •   14  [de]
    •   15  [de]
    •   16  [de]

Plastic - Product development: online reading of technical information

Plastic - Product development: online reading of technical information

Expertise for plastic product development plus checklists, assessment and calculation tools

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