Published on Machine Design (http://machinedesign.com)
by Jessica Shapiro
Created 07/07/2010 - 13:55
A GPS device based on lasers instead of satellite transmissions lets manufacturers double-check the dimensions and positioning of big parts and assemblies. Laser-based metrology isn’t new. Manufacturers have been using laser trackers and interferometers for years. However, they may be limited to the line-of-sight of a single laser, or may require unique and complex setups for each new part.