冲击式气螺刀扭矩参数探究

Exploration of Torque Specifications of Impact Penumatic Screwdriver

简要介绍了行业标准JB/T XXXX-2020冲击式气螺刀(送审稿)中拧紧扭矩参数的制定原则和科学依据,首次提出了产品扭矩分级评价指标,有一定的原创性,可供有关人员参考。

The paper describes in brief the formulaing principles and scientific evidence for tightening torque specifications in the industrial standard JB/TXXXX-2020 Impact Pneumatic Screwdriver.It proposes the assessment indicators for product’s torque grades for the first time,which features some origionality and can be served as reference for personnel corcenred.