An Angle Measuring System for Knife Blade Based on Laser and Electronic Clinometer

In order to measure the knife blade angle, which has a great impact on sharpness and sharpness retentivity of knives and scissors, an angle measuring system for knife blade based on laser and electronic clinometer is presented. Practical running and testing proved the system's feasibility, reliability and great value in practical application. Meanwhile, the system has many advantages, such as easy operation, low cost, high precision, small errors, non-contact, etc.