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Study of the Tightening Torque Measurement Uncertainty for Pneumatic Impact Wrench
Author(s): 
Pages: 38-40
Year: Issue:  8
Journal: Hydraulics Pneumatics & Seals

Keyword:  impact pneumatic wrenchtightening torqueuncertainty;
Abstract: 该文主要研究冲击式气扳机拧紧扭矩测量结果的不确定度评定,按照标准JB/T8411-2006《冲击式气扳机》和GB/T5621-2008《凿岩机械与气动工具性能试验方法》要求,结合新型冲击累积扭矩测量设备,对动态冲击扭矩测量结果进行不确定度评定,验证了该设备扭矩测量的精度,同时为冲击式气扳机扭矩测量结果不确定度评定提供参考.
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