When choosing a tensile testing machine, users should not only choose the right manufacturer, but also observe the equipment. It is best to try it out. If the following 10 conditions are abnormal, it is not normal. It is best not to buy in a hurry. Oh.
1. The color of the paint is not beautiful and elegant, the color tone and the color are not coordinated, the boundaries of different colors are not clear, and they pollute each other.
2. The paint and putty do not have sufficient strength, are not resistant to oil and corrosion, and have a peeling phenomenon.
3. The unprocessed surfaces of all parts and accessories are not primed and painted. Prior to primer painting, rust, sand, oil and other dirt were not carefully removed. The painted surface is incomplete, not smooth, uneven and inconsistent, with spots, wrinkles, bubbles and adhesions.
4. There are spots on the surface of electroplated parts, uneven plating and peeling.
5. The surface color of the blackened parts becomes uneven, with spots, rust and other phenomena.
6. Various signs on the equipment are not clear. The sign is not fixed in an obvious position. The fixed position of the sign is incorrect, uneven, unstable, and skewed.
7. The appearance surface has protrusions, depressions, roughness and other damages that are not specified in the drawings.
8. The edge of the joint surface of the parts is obviously misaligned. Inconvenient loading and unloading of doors and covers
9. The countersunk screw protrudes from the outer surface of the part, and there is obvious eccentricity between the head and the counterbore.
10. The processed surface of the instrument parts has rust, burrs, bruises, scratches and other defects.
Whether you are choosing a tensile testing machine or other equipment, if you encounter some of the above problems, you must compare a few more and pay attention to observation before you can buy more suitable and practical equipment.
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