This is a testing machine that observes the growth of cracks due to the bending of rubber (such as shoe soles) and evaluates durability.
- We will observe the growth of cracks due to rubber bending and evaluate durability. - We also offer L-shaped specimens for testing in a low-temperature chamber. - After cutting to the specified size, we will use a dedicated jig to drill a hole with a diameter of 2.5±0.01mm at a position of 62±2mm from one end to create the test specimen. - The test specimen will be attached to the testing machine and repeatedly bent from a horizontal position to 45° until either the length of the hole reaches 500%, the combined length of the hole and crack reaches 15mm, or the number of bends reaches 250,000. - The average number of bends required to increase the original hole length by 100% will be calculated until it reaches 500%, which will be used to determine durability. <Reference Standard> ASTM-D1052 [Regarding Catalog Download] Please request the catalog from the related links below or by contacting us. *For products without individual catalogs, please request the comprehensive catalog.
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■Number of Fixtures: 12 fixtures (for width 25 mm) 4 fixtures (for width 100 mm) (2 types) ■Test Specimen: Width 25 ± 1 mm, Length 153 mm, Thickness 6.35 ± 0.03 mm (standard) ■Bending Angle: 90° (Option: 45°, 2-stage switchable) ■Bending Speed: 100 ± 5 times/min ■Adjustable Roller Stroke: 0 to 50 mm (variable) ■Dimensions & Weight: 12 fixtures: Approximately W670 × D450 × H450 mm, Approximately 85 kg 4 fixtures: Approximately W670 × D450 × H450 mm, Approximately 85 kg
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At Yasuda Seiki Manufacturing, we guarantee quality through test data and are making steady efforts to create testing machines that solve various issues in quality control. Many of these conform to global standards and meet the essential requirements of the borderless era. Please utilize the innovative physical property testing machines from "YASUDA SEIKI" for your company's quality control and research and development.
