universal tensile testing machine for textile fiber strength assessment

APPLICATIONS

Computerized Universal Test Machine, is professionally specialized in plastic film, composite, soft packaging materials, plastic hose, adhesive, adhesive tape, medical adhesive, medical device, release paper, protective film, composite cover, metal foil, diaphragm, backboard material, non-woven fabric, rubber, paper and other products of tensile, peeling, deformation, tear, bonding, puncture force, opening force, low speed unwinding force, pull force and other performance tests.

FEATURES

Ten Processes Meet Variegated Requirements:

• The machine integrates ten professional and independent test procedures, such as tension, peeling, tearing, heat sealing, constant extension and tension, pressure, puncture retention force, etc., providing users with a variety of test items.

• It supports the downward pressure test such as rubber plug puncture and ampule breaking force, and the test speed can be set freely.

• Intelligent design such as limit protection, overload protection and automatic return to ensure operational safety.

Excellent testing mechanism accuracy upgrade:

• Equipped with force value testing system of global famous brands to provide force value accuracy better than level 0.5, better repeatability and more flexible testing.

• Equipped with servo operation system of global famous brand and precision ball screw multiple axis positioning technology to provide displacement accuracy better than 0.5 level, stepless speed regulation, convenient use and more stable operation.

High End Embedded Computer System PlatformSafety And Easy:

• Integrated system design, integration of instrument and software.

• Support group test data comparison and analysis, with multiple unit conversion function.

• The system is embedded with USB interface and network interface to facilitate the external access and data transmission of the system.

• TEST STANDARDS

• GB/T1040,GB/T528,GB/T529,GB/T8808,GB/T13022,GB/T2790,

• GB/T3923.1,GB/T20310,GB/T3690,GB/T4944,GB/T3686,

• GB/T10654,HG/T2580,DL/T1476,JC/T777,HG/T2538,BS EN ISO 1421,GOST 18299,DIN 53357,BS 903,BS 5131,ASTM D3574,ASTM D6644…

• SPECIFICATION

• Item	Parameters
  Load capacity	5-200kg
  Load cell brand	Germany brand TECSIS load cell
  Motor	400w Panasonic servo motor
  Driver	400w Panasonic servo driver
  Screw	High precision ball screw
  Control way	Panel control (touch screen), connected to computer
  Adjustable speed	0.1-500mm/min
  Vertical test space	900mm (including clamp)
  Load resolution	1/250,000
  Load accuracy	≤0.5%
  Unit switching	gf/kgf/N//kN/LBf/T
  Dimension	（L*W*H）520*515*1250mm
  Suttle weight	About 70KG
  Power	AC 220V

A Universal Tensile Testing Machine for Textile Fiber Strength Assessment is a specialized version of the standard universal tensile tester, designed to evaluate the mechanical properties of textile fibers, such as their tensile strength, elongation, and modulus of elasticity. This machine is essential for quality control, product development, and research in the textile industry. It allows manufacturers and researchers to assess how fibers perform under stress and to ensure they meet industry standards.

1. Precise Force Measurement:

• The machine is equipped with load cells that measure the force applied to the textile fiber sample, helping to determine its tensile strength (the maximum load the fiber can withstand before breaking).

• The force measurement range is adjusted to suit the low tensile strengths typical of fibers, ensuring that even weak fibers can be accurately tested.

2. Clamping Mechanism:

• Specialized grips or clamps hold the textile fiber during testing. These grips are designed to minimize slippage or damage to the fiber, ensuring that the force applied is uniformly distributed along its length.

• Clamps may vary based on fiber type (e.g., natural fibers, synthetic fibers, yarns, or filaments), as fibers require different handling techniques to avoid breakage during gripping.

3. High Sensitivity to Small Strain:

• Since textile fibers tend to have low tensile strength and may elongate significantly before breaking, the machine is designed to accurately measure small changes in strain (elongation).

• Extensometers or laser displacement sensors may be used to track the elongation of the fiber with high precision, allowing for the calculation of strain at various stress levels.

4. Controlled Crosshead Speed:

• The crosshead speed (the speed at which the two grips move apart) can be controlled to simulate different loading conditions.

• Different textile fibers respond to strain at different rates, and adjusting the crosshead speed helps simulate the expected conditions during actual use, such as stretching or load-bearing in fabrics.

5. Testing of Single Fibers or Yarns:

• The machine is capable of testing single fibers or small groups of fibers, as well as larger yarns or fabric samples, to assess their collective strength.

• Specialized fixtures or attachments may be used to ensure that the fibers or yarns are tested individually or in the configuration needed for accurate results.

6. Real-Time Data Acquisition:

• The machine is equipped with a data acquisition system to record force, displacement, and elongation in real-time during the test.

• Stress-strain curves are plotted dynamically during the test, helping to analyze the tensile behavior of the fiber, including its modulus of elasticity, ultimate tensile strength, and breakpoint.

7. Elongation and Strain Measurement:

• Textile fibers are often characterized by how much they can stretch before breaking. The elongation (percentage change in length) is a crucial property, particularly for fibers used in applications such as clothing or ropes.

• The machine measures strain, the ratio of the fiber's extension relative to its original length, to determine how well the material can withstand stretching without failure.

8. Test Speed and Environmental Conditions:

• The machine often allows for setting different test speeds (constant or varying) to mimic real-world usage. For example, fibers used in dynamic applications may be tested at faster rates.

• Environmental chambers may also be integrated into the setup to simulate conditions like high humidity, temperature, or UV exposure, which can influence the fiber's performance.

9. Analysis and Reporting Software:

• Tensile strength (the force required to break the fiber).

• Elastic modulus (a measure of the stiffness of the fiber).

• Breaking elongation (the maximum elongation before breaking).

• Stress-strain curve for visual representation of the fiber’s behavior under load.

• Advanced analysis software is used to interpret the test data, generating detailed reports that include information such as:

• The software can also compare results from multiple tests, providing insights into the consistency of the material properties.

10. Automatic Test Stopping and Safety Features:

• The machine can automatically stop the test when the fiber breaks, and it may provide warnings if the sample reaches the breaking point prematurely.

• Safety features ensure that the test does not exceed the machine’s rated limits, protecting both the equipment and the operator.