Analysis of the advantages of leather wear resistance tester
The leather abrasion resistance tester performs a reciprocating friction test on the surface of the leather with a dry or wet white wool cloth wrapped on the surface of the friction hammer under the specified pressure. The Leather Abrasion Fastness Tester is a method of reciprocating friction on the leather surface with felt to determine the color fastness of the leather surface to friction. It is suitable for all kinds of leather, and can be dry or wet. Test method: Take the leather specification as 120×20 mm, stretch the leather sample by 10% in the rubbing direction, soak the wool felt in distilled water for no more than 24 hours, and soak the leather in distilled water for no more than 1 hour, and then stick it on the rubbing head , rub with the sample, under D65 light source, use the pollution gray scale to judge the discoloration grade of wool felt, and use the fading scale to judge the discoloration grade of leather. Main advantages: 1. Wearing process: The material to be tested is placed on the turntable, and the two grinding wheels are pressed on the material with a certain weight to be worn. When a sample with an area of 10x10cm is subjected to abrasion, the surface material of the sample is worn by particles or silk fabrics at all angles to form a complete ring. The grinding wheel rotates with the rotating surface of the sample disc, resulting in relative motion and wear. During the rotation process, the offset of the grinding wheel shaft relative to the rotation axis of the turntable produces a slip motion, thereby abrading the material. 2. Simulate the real use conditions or meet the test conditions specified in the standard: You can choose a variety of different wear media and accessories for different tests. The test can be repeated at the same point of a material, with a thickness of about 0.5"material is damaged or worn away. Two kinds of rotation speed can be set (60, 72 rpm), 0~50000 rpm (100, 500, 1000 or 2500 rpm can be quickly set) and 3 kinds of load. 3. Vacuum cleaner to remove wear debris: The suction arm of the vacuum pump is connected by a hinge and an adjustable device on the back of the instrument, and the height can be adjusted to adapt to different sample thicknesses to ensure the stability and accuracy of the leather abrasion tester test. . 4. Strict control ensures reliable results: The selection of the selected grinding wheel abrasives has been strictly controlled by quality, with high quality and good stability.
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