Button tension test experimental method
The tensile strength of the button refers to the maximum load that the button on the textile garment can withstand when the button on the textile clothing is stretched by an external force, and the deformation of the joint with the fabric reaches a certain degree or the button is broken from the fabric. Inadequate button fastening will not only directly affect the wearing and use of textiles and clothing, but also cause harm to human safety and health. In particular, the unconscious behavior of infants and young children often leads to personal injury such as accidental ingestion of buttons, entry into the trachea or suffocation. When the snap button is separated from the garment, its sharp claws are exposed, causing injury to the wearer. Purpose To test the fixing and adhesion strength of buttons, buttons, five-claw buttons, snap buttons, bow knots and other accessories, especially baby and children’s clothing, to define the responsibilities of garment manufacturers to ensure that buttons, buttons and fasteners can properly It is fixed on the garment to prevent the button from detaching from the garment, causing the baby to have the opportunity to swallow the choking hazard. Scope of application All buttons, buttons and fasteners on garments need to be tested by a button strength tester; at the same time, it can also test the adhesion strength of clothing, toys, footwear and other accessories after attachment, loosening causes sharp edges, Mechanical damage such as sharp angles. Principle The upper and lower clamps of the tensile tester clamp the garment parts. The clamp moves at the set speed until the part falls off. Record the intensity and method of shedding. The appropriate fixture test steps can be selected according to the different buttons. 1. The clamping separation rate is set to a certain blessing separation rate according to the requirements of relevant standards. For example, the requirement in GB/T 22704-2008 is (100±10) mm/min2. Start the tensile tester and place the sample to adjust the position of the clamp. Keep the center axis and direction of the upper and lower clamps consistent. Place the sample in the center of the clamp to ensure the longitudinal center of the sample. When placing the sample vertically through the center line of the upper and lower fixtures, ensure that there is no damage or slippage. 3. Operation of the tensile tester Use the tensile tester to record the maximum tensile force. The upper clamp pulls the part until it is separated from the garment or damaged. The main damage methods are component damage, attachment damage, and fabric damage. 4. The test results record the maximum tensile force of each sample, with the unit of Newton, accurate to 0.1N. More about button strength machine: http://www.lalianniukou. com/
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