Tolerance Stack Up Analysis:
Find Your Tolerance Stack Path
Step 3 shows you how to handle clearances in complex tolerance chains and tolerance stacks.
See episode 3 of the "How to set up a tolerance stack" series
Which tolerance stack path should you chose?
• When analyzing your mechanical design, it can be challenging to identify the correct path
Which tolerance stack path should you chose?
• In this example, there are two possible paths
• Using RD8's Pathfinder tool will display these two paths
Which tolerance stack path should you chose?
• This creates a risk of conflicting paths - sometimes one path controls, other times the second does.
• Such uncertainty adds no value to the product and can lead to design issues
How To Fix Your Tolerance Stack
• This image shows a syringe which has many different paths
• This happens because it is overconstrained
How To Fix Your Tolerance Stack
• When the design is fixed with only one controlling path, it becomes possible to make the design robust.
• This image demonstrates a design with a single path.
• It is now possible to make the design robust
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