Variation Analysis (VSA)

Product Overview

With the highly complex products of today, dimensional variation can consume enormous amounts of time and effort to control. The specified tolerances of single parts can easily lead to issues during assembly, which is a costly time to make changes.

Variation Analysis (VSA) is a powerful dimensional analysis tool used to simulate manufacturing and assembly processes and predict the amounts and causes of variation. A digital prototype is used to create a comprehensive representation of geometry, product variation (tolerances), assembly process variation (sequence, assembly attachment definition, tooling) and measurements. This model is used to predict if there will be any assembly build problems, before any physical parts are made or tooling is cut.

Variation Analysis can help reduce the negative impact of variation on product dimensional quality, cost and time to market. Since the foundation of Variation Analysis lies within Teamcenter Lifecycle Visualization, it also extensively leverages the digital prototyping and visualization capabilities of Lifecycle Visualization Mockup, Teamcenter’s powerful real-time visualization and digital prototyping solution.

Key Capabilities and Benefits

Capabilities

  • CAD neutral flexibility leverages embedded product and manufacturing information (PMI)
  • Identify and prioritize top contributors to variation
  • Powerful variation assembly constraint engine
  • Ability to link with finite element analysis (FEA) results
  • Graphical reports tied to 3D geometry
  • Leverage Teamcenter’s powerful visualization environment
  • Automated feature recognition and editing

Benefits

  • Design flaws are caught before investment in expensive tooling
  • Quantify variation causes based on actual assembly processes
  • Optimize production monitoring
  • Reduce manufacturing costs by maximizing allowable tolerances
  • Cut engineering changes by nearly 30 percent
  • Reduce time to create simulations
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