Assembly Modeling for Tolerance Analysis


A tolerance-analysis-oriented assembly model based on datum-flow-chain (DFC) is proposed in the paper, which describes the inter-relationship among the components and parts and the detail information of their constraint and location relationships. Two steps are utilized to create the model, which are component/part level and feature level assembly model. According to the model, the tolerance chain could be got, which simplifies the tolerance-analysis calculation. Finally, a case of body-in-white assembly is used to illustrate the assembly model.

  • Abstract
  • Keywords:
  • Introduction
  • Assembly Model at Component/Part Level
  • Assembly Model at Feature Level
  • Case Study
  • Conclusion
  • Acknowledgments
  • References

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