| Analysis of Differences in Domestic and Foreign Standards for Shore A Hardness Testers |
| Received:December 16, 2022 Revised:December 21, 2022 |
| DOI：10.12136/j.issn.1000-890X.2024.03.0227 |
| Key Words: Shore A hardness tester；rubber material hardness；standard；technical parameter |
| Author Name | Affiliation | E-mail | | WANG Honggang* | China Railway Engineering Equipment Group Co.，Ltd | wanghonggang6@163. com | | YANG Xingya | China Railway Engineering Equipment Group Co.，Ltd | | | WANG Mingbo | China Railway Engineering Equipment Group Co.，Ltd | | | ZHAO Ming´en | China Railway Engineering Equipment Group Co.，Ltd | | | LI Zikang | China Railway Engineering Equipment Group Co.，Ltd | |
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| Abstract: |
| The use，calibration and verification standards of Shore A hardness testers used for rubber materials at domestic and foreign were analyzed，and the technical parameters of each standard，including the diameter of the cone frustum top，the diameter of the pressure foot，the diameter of pressure foot hole，the maximum extension of indentor and the allowable spring force applied to indentor were compared.This provided reference for Shore A hardness tester production and use enterprises，and the calibration and verification institutions. |
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