Dimensional Analysis and Variation Control for NX CAD Users - 3DCS

3DCS Variation Analyst for NX

NX CAD Integrated Tolerance Analysis


 Predict - the assembly variation 

React - to specific contributors 

                Control - costs and dimensional integrity 



Tolerance Analysis in Siemen's NX CAD

Control Variation and Reduce Your Cost of Quality


3DCS Variation Analyst for NX (3DCS for NX) is fully integrated in Siemen's NX CAD Software.

3DCS is Integrated in Siemen's NX

This integration allows users to work within a single environment, adding variation analysis and GD&T optimization to their modeling without having to export or import models or incorporate outside tools.

This seamless workflow reduces the need for training, increases productivity and takes advantage of the NX investment as well as promoting consistency in GD&T and process.






Download the brochure to learn more about 3DCS Variation Analyst for NX

Industry Standard for Tolerance Analysis Software

3DCS is the world's leading tolerance analysis software. Used by major automotive, aerospace, medical device, electronics and heavy machinery OEM's across the world, no other software provides the same level of analysis and accuracy. 

Using three methods of simulation, 3DCS highlight the sources of variation, as well as the potential build issues of the product. By accurately modeling the build process, users can simulate the product before manufacturing and validate design and manufacturing specification. 



See It For Yourself! - View the Webinar On Demand 

View the webinar OnDemand!

Dimensional Analysis Model Examples


Power Drill Stack Up   Assembly Process   Example Analysis  Automated PMI  Automobile Assembly


Benefits of Tolerance Analysis Simulation


Optimize Product Designs and Processes

3DCS Variation Analyst for NX allows users to evaluate design and assembly concepts up front, where problems can be identified early in the product life cycle. Optimizing part tolerances reduces manufacturing costs while controlling key quality characteristics to improve overall product quality.

Reduce Time to Market and Quality Costs

Shorten your development time, accelerate time to market and reduce costs by utilizing the capabilities of 3DCS Variation Analyst for NX for digital prototyping. 3DCS reduces your bottom line and significantly improves product quality by validating that parts fit and function together before design release and throughout production.


Benefits Summary:

  • Identify Assembly Variation during the design phases rather than in production
  • Reduce tooling and fixture changes resulting in dramatic cost savings
  • Identify Key Quality Characteristics based on a true Virtual Prototype
  • Increase Tolerances of less critical features 
  • Increase Overall Product Quality 
  • Reduce Scrap Rate and Warranty Defects


Push Button Dimensional Analysis Report Creation


Ever waste days and weeks just compiling your results into reports?


3DCS lets you create your reports with a single button push.

What used to take days will now take minutes at most. 3DCS automatically compiles images, graphs, charts, tables and data into a linked report available in many different formats.


Tolerance Analysis Report Example




Process Capability Database: Use Plant Data and Known Processes



Faster, more accurate and more consistent modeling using real tolerance process data


Create a database with your historical data or knowledge base and apply it to your models, linking set tolerances on features and points to tolerances set in the database. Link one or multiply tolerances to the same parameters in your database, and update all of your tolerances with the push of a button.

Find out how to speed up your modeling with this short video





Color Mapping: View Variation and Identify Problem Areas




Color Mapping lets the user quickly identify problem areas, and communicate this information visually. As 3DCS is able to model both assembly variation as well as part variation, Color Mapping can be customized to show only the process variation from assembly, letting engineers isolate different kinds of variation on their model.

Click here to learn more with an introductory video on Color Mapping






Use Spec Studies for Perceived Quality Simulation



Perceived Quality Spec Stud

Show variation directly on your virtual prototype!

(Model for demonstration purposes)

Spec Studies are pre-determined scenarios appling advanced photo realistic rendering along with part and assembly variation, allowing easy identification of tolerance objectives for styling, management, design studio, and engineering to cost effectively establish dimensional specifications that will allow your designs to meet perceived quality goals. 

  • View Build Specifications
  • Test Variants
  • See Tolerances on Photo-Realistic Images
  • Test Final Product Quality Early in Design






3DCS Add-On Modules

3DCS Add-on modules give you additional modeling capabilities. 


3DCS FEA Compliant Modeler

3DCS FEA Compliant Modeler (3DCS CM) 

Use Finite Element Analysis (FEA) to simulate compliant part and assembly deformation resulting from manufacturing operations such as clamping, welding, thermal, gravity and force application.

Key Product Features & Benefits

  • Visualize deformation
  • Supports numerous FEA Solvers
  • Accurate analysis of compliant parts

 -Available for 3DCS Variation Analyst (V5, Multi-CAD, NX, V6)

3DCS Mechanical Modeler


3DCS Mechanical Modeler (3DCS MM) 

Model complex mechanical assemblies, solve over-constrained assemblies and speed up the modeling process. 

Key Product Features & Benefits
  • Specialized Kinematic Routines - Allow for mechanical systems to be analyzed
  • Library of Joint and Constraint Moves - Allow the modeling of mechanical assemblies.
  • Unique Kinematic Solver - Solve over constrained assemblies.
  • Automatic Extraction - Pull the assembly process directly from CATIA. 
  • Add to Existing Software - Mechanical modeler can be added to 3DCS Variation Analyst CAA V5, or 3DCS Variation Analyst Multi-CAD, making it easier to model mechanical and kinematic assemblies.

 -Available for 3DCS Variation Analyst (V5, Multi-CAD, NX, V6)

3DCS Geofactor


3DCS Geometric Factor Analyzer (3DCS GFA) 

Assess the mathematical relationships between parts for variation. Determine the multiplicative effect of tolerance changes on different parts of the assembly. Optimize to reduce unintended variation from part interactions during the assembly process. 

Key Product Features & Benefits
  • Geometric Factor or Coefficient of Influence
  • A coefficient to establish the ‘real’ tolerance effect
  • Determines how tolerances are amplified by part geometry
  • Focuses on the design integrity not the tolerance
  • Provides numerical value for design validation

 -Available for 3DCS Variation Analyst (V5, Multi-CAD, NX, V6) and 3DCS Mechanical Variation Analyst

3DCS Advanced Analyzer/Optimizer


3DCS Advanced Analyzer and Optimizer (3DCS AAO) 

Two tools in one; an analyzer that creates a matrix of your tolerances and measures making large models easier to manage, and an optimizer to automate the optimization of your model for cost or quality.

3DCS Analyzer

  • Real time analysis
  • Quickly identify contributors to variation
  • Analysis at any level within the assembly process

3DCS Optimizer

  • Optimize for quality 
  • Optimize for cost

 -Available for 3DCS Variation Analyst (V5, Multi-CAD, NX, V6) and 3DCS Mechanical Variation Analyst V5


3DCS Visualization Export  (3DCS VE)

With the push of  a button, quickly and easily export all of your Spec Studies and models into 3DEXCite Deltagen or other visualization tools to add V-Ray and High-End Visualization.  

Key Product Features and Benefits

  • One button export from 3DCS to Deltagen
  • Automatically convert 3DCS materials into Deltagen materials
  • Create interactive flash presentations view-able on any flash capable device
  • Toggle through multiple views and tolerance specifications to see the visual impact

-Available for 3DCS Variation Analyst (V5, NX, Multi-CAD)


Would you like to see the software for yourself? Request a free demo of 3DCS 



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