• Component Geometry Creation:
  Model geometry can be exported from Pro|Engineer as Part/Assembly data (wire frame or surface), or as IGES, STEP data (wire frame or surface). The entities that can be exported into Sigmund ABA Kinematics are - CAD geometry, planes, lines, points, axis, and coordinate systems.

• GD&T or Tolerance Emulation:
  This step defines the component variation to be modeled. Tolerance information including the component GD&T datum structures and geometric tolerances from Pro|Engineer must be reapplied to the relevant features using the functionality provided in Sigmund ABA Kinematics for Pro|Engineer. Simple, menu-driven commands are used to define the datum reference frames, and tolerance feature control frames are simply filled for the Sigmund Model as shown on the drawing. The capability to emulate dimensional or ± tolerances if GD&T has not been used also exists in Sigmund ABA Kinematics for Pro|Engineer.

• Joint Creations:
  This step defines the relative motion constraints between two piece part components. Simple, menu-driven commands as shown on the drawing, are used to define the different types of joints between two components. The capability to create a joint while assembling two parts also exists in Sigmund ABA Kinematics for Pro|Engineer.

• Optimization:
  Using the output from the Sigmund ABA Kinematics for Pro|Engineer model, the Pro|Engineer mechanism design can be evaluated, optimized and validated throughout the range of motion even before a single part is manufactured. At this stage, different design concepts, locating schemes and assembly methods can be evaluated. Potential manufacturing processes and the resulting capabilities can be assessed. Tolerances can be tightened to meet the requirements or loosened if they are found to have little impact on the requirements.

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