March 1, 2007 9:17pm CST
What is it? How it works to check small engineering parts?
• United States
2 Mar 07
Are you asking about an optical comparator. This is a machine that throws light upon a part so that you can measure different dimensions. It can measure angles,length,and radius.It either outlines the part for the measurement or reflects it for the measurement.You get the numbers from your blueprint and then put the part on the ledge and light it up to check the dimension needed.