| 摘要 |
A pipe bending test jig is provided to perform freezing resistance test on a pipe in a chamber, pull the pipe out of the chamber and bend the pipe at a predetermined angle so as to easily determine whether the pipe is normal or abnormal. A pipe bending test jig(1) has a height greater than the diameter of a pipe in order to closely support the pipe and includes a plurality of circular plate type guides having different diameters. The guides are stacked along the radius of bending rotation of the tube and integrated. Upper guides have diameters smaller than those of lower guides.
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