The machine adopts electric control and it drives by an AC adjustable speed motor, to achieve movement left and right, low noise, stable. Pencil Scratch Hardness Test Machines and Equipment's is used to test coating hardness of all kinds of finished products. Such as mobile phone shell, MP3/MP4 shell, notebook computer shell and other digital products shell. 

 

Usage-Portable metal aluminum hardness tester

Fixing the hardness pencil to 45 ° angle, and make the front head of the pencil contact with surface of the coating with proper load. Moving the test platform to make surface of the coating move and pass the front head of the pencil in accordance with a certain speed (0.5 mm/s), then the most soft pencil hardness level which cause no damage (scratches) can be regarded as hardness of the coating layer.

Specifications:

Test angle: 45°

Trip distance: 40mm

Load: 500g, 750g, 1000g (adjustable)

Speed: 5~100rpm (adjustable)

Power supply: 220V/50Hz

Platform: About 12*17cm, it is used to fix sample.