Vertical hammer test Apparatus conforms to GB/T2694-2010, YDT757 and other standard drop hammer test methods, and is suitable for the adhesion test of hot-dip galvanized coating. The vertical hammer test device is suitable for product quality inspection and control of iron tower similar manufacturers and quality inspection departments.

technical parameter
1. Mass of hammer head: 210g±1g
2. The vertical height from the center line of the hammer head to the base surface: 300mm±1mm
3. Hammer handle material: oak
Instructions:
Adjust the vertical hammer test device according to the table level to make it level, adjust the sample so that the striking point is not less than 10mm away from the edge, corner and end of the sample, the hammer head faces the center of the bench, and the hammer handle is perpendicular to the base plane and then falls freely. Strike 5 points in parallel at 4mm intervals. Check whether the surface state of the galvanized layer meets the requirements of the standard, and the striking place shall not be struck repeatedly.