What is a distortion detection method?
WPC (Water Proof Checker) has excellent technical features that are not found in other methods due to its judgment principle.
Basic Structure of Strain Detection Method (1) Prepare a pressurized capsule for the workpiece. (2) Place the workpiece inside the capsule. (3) Pressurize the inside of the capsule. (4) Measure the strain on the surface of the workpiece. (5) Close the valve at a desired pressure and stop the pressurization. (6) Measure the change in strain on the surface of the workpiece. The judgment is made as shown in the graph of the image during the above operations. Explanation of the graph: (1)(2) When the area around the workpiece is pressurized, the surface of the workpiece deforms (dents) due to the pressure difference between the inside and outside. (3) If there is a large leak, this pressure difference will not occur or will equalize quickly, resulting in no deformation or a rapid return to its original shape. (4) If no large leak is detected, the change in strain is measured at a constant pressure to perform small leak detection. (5) If there is a small leak, the pressure difference between the internal and external pressures gradually decreases, causing the strain to recover. (6) If no small leak is detected, the strain at a constant pressure stabilizes and does not recover.
- Company：ハムロン・テック
- Price：Other
