research a new way for scissors sharpness test

- Dec 30, 2017 -

Household scissors, kitchen knife  will gradually aging in the process of use. Scissors sharpness is the most important indicator to measure the household and kitchen knife, and the geometry of cutlery, heat treatment, has a significant effect on manufacturing precision. How to judge the scissors sharpness ? For many years, many countries have done a lot of work, and have developed some testing instruments, which have not completely solved the problem of scissors sharpness test 


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