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Version 3.2 for Windows XP, Vista, 7, 8 and 10, including the 64-bit versions.
What is VarTran?
VarTran is in one sense a tolerancing package. It can perform all the standard analysis including statistical tolerancing, worst-case tolerancing, and sensitivity analysis. But VarTran goes beyond the bounds of traditional tolerancing packages to address the selection of optimal targets for the inputs. This also makes VarTran a product/process optimization tool. In finding the optimal targets, VarTran considers the effects of the inputs on both the average and variation of the outputs resulting in a robust design. VarTran is also a robust design tool. Below are just some of VarTran’s capabilities:
State of the Art Capabilities
VarTran has many firsts. It introduces a unified approach to tolerancing called process tolerancing that incorporates both statistical and worst-case tolerancing. This allows statistical and worst-case tolerances to be mixed in the same analysis. It uses interval analysis optimization routines guaranteed of finding the global optimal. It uses analytic methods of predicting the variation, which are much faster than performing simulations. With VarTran, you can accomplish feats you never before dreamed of.
Design for Six Sigma
Many leading companies are using VarTran has key part of their Design for Six Sigma (DFSS) programs including:
Several leading consulting companies have also integrated VarTran into their Design for Six Sigma (DFSS) programs including:
A full version of the software can be downloaded below. After installing you can use it for free for a 30-day trial. After 30 days, if you want to continue using the software, you must purchase it at a cost of US$495 ($535.84 for residents of Illinois). Click the button below to download the installation program. The file vta32.exe will be downloaded. Executing this file will install the software on your system including the user manual and tutorial.
Click below to separately download the tutorial in pdf format. The tutorial file vta32tut.pdf is also copied onto your system as part of the installation process using the two files above. It does not need to be downloaded separately. You must have a copy of the free Adobe Acrobat Reader® to view the file.
Click below to separately download the user manual in pdf format. The user manual file vta32man.pdf is also copied onto your system as part of the installation process using the two files above. It does not need to be downloaded separately. You must have a copy of the free Adobe Acrobat Reader® to view the file.
Click below to download the help file. The help file vta32.hlp is also copied onto your system as part of the installation process using the two files above. It does not need to be downloaded separately. To view the help file on your Windows Vista , Windows 7, Windows Server 2008 or Windows Server 2008 R2 computer, you'll need to download the WinHelp viewer from Microsoft. Your PC will need to pass the "Windows Genuine Advantage" validation. The size of the download is a bit over 600 kB. It works on both 32-bit and 64-bit machines. To learn more about the problem click http://support.microsoft.com/kb/917607. To download WinHelp for Vista click http://www.microsoft.com/en-us/download/details.aspx?id=5143. To download WinHelp for Windows 7 click http://www.microsoft.com/en-us/download/details.aspx?id=91. To download WinHelp for Windows 8 click http://www.microsoft.com/en-us/download/details.aspx?id=35449.
Further Information on VarTran:
Other Information on Robust Design and Tolerance Analysis:
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Last modified: September 29, 2016