What are the components of the hook and loop fatigue resistance testing machine
The Hook and Loop Fatigue Tester is used to test the repeated peeling and sticking of the Velcro tape. After a certain number of times, the test piece is rolled with the weight of the roller itself to make it fit evenly. Use an optional tensile tester to measure the adhesive force and adhesive strength. Applicable standards: DIN-3415, GB/T 3903.20, GB/T 3903.21, GB/T 23315, ISO 22777, ISO 22776, SATRA PM123 Fixed on two rollers with diameters of 162.5mm and 160mm, respectively. The hook surfaces of the two rollers are in contact with the wool surface hook and loop, and a certain load is applied according to their width. The lower roller is a power wheel, which drives the load roller to rotate repeatedly, so that the hook and loop fasteners fixed on the rollers are continuously attached and peeled off. , in order to achieve the purpose of fatigue. Technical parameters: 1. Roller diameter: upper wheelφ162.5mm, lower wheelφ160mm; 2. Roller width: 70mm; 3. Rolling speed: 60rpm/min; 4. Reversal time: 30S reversal; 5. Test load: 5kg; 6. Fixture groove: width 4mm, length 55±2mm; 7. Horsepower: AC1/8HP dual frequency motor; 8. Counter: LCD liquid crystal display, 0-999,999. Technical features: 1. The number of automatic shutdowns can be set; 2. High-precision, durable stepper motor; 3. Quickly replace weights; 4. Stainless steel roller; Good sex, easy to read. Instrument composition: The whole machine is mainly composed of the following parts: 1. Counterweight: used in conjunction with the driven wheel, the pressure is 5kg. 2. Driving wheel: The diameter is 160mm, driven by the motor to rotate, the speed is 60rpm, and the direction is reversed every 30s. The ring surface is fixed on the driving wheel. 3. Driven wheel: the diameter is 162.5mm, driven by the driving wheel to rotate. The hook surface is fixed on the driven wheel. 4. Counter: Set and display the number of laps. 5. Buttons: including emergency stop buttons, start and pause buttons.
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