coatings hardness test machine scratch tester apparatus

With the Shear / Scratch Tester, you can evaluate resistance to shearing, scratching, gouging, marring, scraping and engraving on a variety of flat, rigid specimens. It may also be used to test the relative homogeneity of materials, the adhesive qualities of protective coatings and the effects of age on similar materials.

1. The apparatus consists of the drive motor mechanism, scraping component, the sample holder fixing devices and other components.

2. The scraper assembly includes a bracket scratch; scraping means scrape the specified bit sets, pressurizing means (weights and weight support bar) and the like.

3. Free installation, replacement and removal of different specifications, scraping means can be implemented in a uniform way linear motion scraping under different loads.

4. The use of embedded systems, man-machine interface for automated control of the testing process, using precision servo motor, ball screw driver for the scraping speed standards under the control accuracy with a decisive role.

5. The use of tungsten carbide makes scraping means, increase the instrument pot life.

6. The use of aluminum and stainless steel, simple appearance, lightweight and corrosion resistant.

Technical Parameters:

1. The travel range: 10-200mm;

2. Speed range: 10-200mm / s;

3. Speed Buffer: 10 ± 1mm;

4. The metal scraper head diameter: 0.5mm, 0.75mm, 1mm (Erichsen318), 3mm, 5mm, 7mm;

5. The metal scraper head material: tungsten carbide;

6. Pressurized weight and scraping components total weight: 2N, 3N, 5N, 7N, 8N, 10N, 12N, 15N, 20N (optionally with option) mass error does not exceed 1%;

7. Plastic scraper means: polymethyl methacrylate (PMMA);

a. Diameter 16mm thickness of 1mm;

b. scraping means is an edge radius of 0.5mm;

c. Hardness shore D85.

8. Power: AC220V ± 10%, 50Hz.