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Qinsun manual tear strength tester is a test equipment independently developed and produced by our company Shanghai Qiansh.
It is used to test the impact tear strength of textiles, woven fabrics, non-woven fabrics, protective clothing materials, and coated fabric.
Its advantages are as follow.
Described: Advantages and characteristics:The company has been engaged in testing instruments for more than ten years, and has a strong after-sales service team;It can handle various problems in a timely and fast manner and relieve customers' worries;Spare parts are available to solve the problem of ordering spare partsProvide outsourced maintenance services;Long-term supply of various common testing instruments;Keep up with the update of industry standards and provide testing instruments that meet new standards in a timely manne.
Main parameters:Mechanical, pointer display;Test range: 400, 800, 1600, 3200&6400gms (counterweight optional);Test accuracy: ±5%;Pendulum restoration: manua.
Test principle: When the single seam method is torn, a stress triangle is formed at the tear of the fabri.
When the stressed weft yarns in the sample are gradually separated up and down, the warp yarns that are not directly stressed begin to slide somewhat relative to the stressed weft yarns, and gradually move closer to form an approximate triangular are.
At the bottom of the tear opening, the warp yarns in the stressed triangle are under tension together, and the warp yarns at the bottom edge of the triangle are stressed more, and the other warp yarns are gradually weakened according to a certain load level differenc.
Due to the frictional resistance between the yarns, the sliding is limite.
When sliding, the tension of the warp increases rapidly, and the deformation elongation also increases sharpl.
When the front warp yarn that constitutes the bottom edge of the stress triangle is stretched to the breaking elongation, the warp yarn breaks, and the stress state of the second warp yarn is immediately transformed into the state before the front warp yarn break.
The roots are broken continuously one by one, forming a fracture surface like a knife cu.
It can be seen that when the single seam method is torn, the broken yarn is the yarn of the non-tensile system, and the direction of the tensile force is perpendicular to the original axis of the broken yar.
The special pendulum can increase the test thickness of textiles up to 64,000mN weight, while also using a heavy duty specimen cutte.
It is used to test the impact tear strength of textiles, woven fabrics, non-woven fabrics, protective clothing materials, and coated fabric.
Its advantages are as follow.
Described: Advantages and characteristics:The company has been engaged in testing instruments for more than ten years, and has a strong after-sales service team;It can handle various problems in a timely and fast manner and relieve customers' worries;Spare parts are available to solve the problem of ordering spare partsProvide outsourced maintenance services;Long-term supply of various common testing instruments;Keep up with the update of industry standards and provide testing instruments that meet new standards in a timely manne.
Main parameters:Mechanical, pointer display;Test range: 400, 800, 1600, 3200&6400gms (counterweight optional);Test accuracy: ±5%;Pendulum restoration: manua.
Test principle: When the single seam method is torn, a stress triangle is formed at the tear of the fabri.
When the stressed weft yarns in the sample are gradually separated up and down, the warp yarns that are not directly stressed begin to slide somewhat relative to the stressed weft yarns, and gradually move closer to form an approximate triangular are.
At the bottom of the tear opening, the warp yarns in the stressed triangle are under tension together, and the warp yarns at the bottom edge of the triangle are stressed more, and the other warp yarns are gradually weakened according to a certain load level differenc.
Due to the frictional resistance between the yarns, the sliding is limite.
When sliding, the tension of the warp increases rapidly, and the deformation elongation also increases sharpl.
When the front warp yarn that constitutes the bottom edge of the stress triangle is stretched to the breaking elongation, the warp yarn breaks, and the stress state of the second warp yarn is immediately transformed into the state before the front warp yarn break.
The roots are broken continuously one by one, forming a fracture surface like a knife cu.
It can be seen that when the single seam method is torn, the broken yarn is the yarn of the non-tensile system, and the direction of the tensile force is perpendicular to the original axis of the broken yar.
The special pendulum can increase the test thickness of textiles up to 64,000mN weight, while also using a heavy duty specimen cutte.
