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Twist test principle: The twist is usually not evenly distributed on the entire yarn. When testing the twist, the sample should be taken 1 m away. Under the specified tension, clamp both ends of the s...
Measuring principle of tensile machine: 1.The force value of the tensile testing machine is measured through a load cell, amplifier and data processing system. Under the premise of small deformation, ...
There are many types of shoe material testing equipment, which are used to test various properties of shoe materials. The following are some common shoe material testing equipment: Toe bending test ma...