Knife-edge RulerPurpose: Mainly Used For Straightness And Flatness Measurement Using The Optical Gap Method, And Can Also Be Used Together With Measuring Blocks To Verify The Flatness Accuracy And Straightness Of Workpieces. The Knife Edge Ruler Has The Advantages Of Simple Structure, Easy Operation, And High Measurement Efficiency, And Is A Commonly Used Measuring Tool In Mechanical Processing. The Accuracy Of Blade Rulers Is Generally High, With A Straightness Error Controlled At Around 1 μ M And A Measurement Surface Roughness R Of 0.025 Pieces Per Meter.
The Blade Ruler Should Be Made Of Alloy Tool Steel, Bearing Steel, Or Magnesium Aluminum Alloy Material. It Should Undergo Stability Treatment And Demagnetization Treatment.