Exact Metrology recently exhibited at the Coordinate Metrology Society Conference (CMSC) with their sister division, OASIS Alignment Services: A Division of In-Place Machining Company.
The Oregon Manufacturing Innovation Center Research and Development (OMIC R&D) recently welcomed Capture 3D, a Zeiss company, as a member of the collaboration, now at 41 members. Headquartered in Santa Ana, California, Capture 3D is a leader in innovative optical 3D metrology solutions, including accurate blue light 3D scanners, precision photogrammetry systems, comprehensive inspection software, and high-tech automated inspection systems.
Gear manufacturing involves a number of processes that, intentional or not, affect the residual stress state of the critical surfaces. Stresses, including residual stresses from processing, are commutative, with compressive stresses typically improving fatigue life and crack initiation while tensile stresses do the opposite. Accordingly, gear designers and manufacturers often require compressive residual stresses at the surface on critical geometries such as gear teeth and roots.
I have heard that X-ray diffraction does not tell the whole story and that I should really run a fatigue test. I understand this may be the best way, but is there another method that gives a high degree of confidence in the residual stress measurement?