Avoiding Tolerance Stack-Up in Assemblies with pump impeller hubs

https://cnc-technology-review.silverstonebrief.com/posts/writing-a-clear-specification-for-aluminium-heat-sink-mounts

Avoiding Tolerance Stack-Up in Assemblies with pump impeller hubs An OEM part can appear simple on a drawing and still carry a demanding job. Their value comes from a sound fit, a clear process, and checks that match real service conditions