摘要
文章研究了一种用于标准扭矩扳子校准的扭矩标准装置,该装置使用低摩擦扭矩的空气轴承作为支撑,克服了弯矩对测试结果准确性的影响。此外,文章研究了空气轴承的承载及稳定性,并分析了装置的测量不确定度。结果表明:设计的标准扭矩扳子校准装置扩展不确定度可以达到0.03%(k=2)。
The structure and working principle of a torque standard machine for torque standard wrench is described.This device uses a low friction torque air bearing as a support part in order to solve the problem of inaccuracy of the test results,which is cause by the influence of bending moment.The load capacity and stability of the air bearing is studied,and the uncertainty of measurement of the device is analyzed.The result shows that the expanded uncertainty of this device reaches 0.03%(k=2).
作者
夏冰玉
林杰俊
王佩君
XIA Bingyu;LIN Jiejun;WANG Peijun(Shanghai Marine Equipment Research Institute,Shanghai 200031,China)
出处
《机电设备》
2018年第5期46-50,55,共6页
Mechanical and Electrical Equipment
关键词
标准扭矩扳子校准装置
空气轴承
不确定度预估
torque standard device for standard torque wrench
air bearing
uncertainty estimation
