| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a bolt axial force test apparatus and a bolt axial force test method.SOLUTION: A bolt axial force test apparatus 1 for acquiring the relation between a fastening torque T and an axial force of a bolt 2, comprises: fastening torque detection means 3 detecting the fastening torque T of the bolt 2; load detection means 5 arranged between base materials 4a and 4b that are fastened by the bolt 2 and detecting a compressive load, the load detection means 5 including a hollow cylinder 51 into which the bolt 2 is fitted with a play and a strain gauge 7 disposed circumferentially on an outer circumferential surface of the hollow cylinder 51; and correlation calculation means 6 outputting a relation between the fastening torque T detected by the fastening torque detection means 3 and the load (axial force F) detected by the load detection means 5.</p> |
