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Accessories for tensile testing machines

Accessories for tensile testing machines

Tensile testing machine can be used for static tensile testing of metal or non-metallic specimens at room temperature or high temperature, also known as tensile tester. Tensile testing machines are widely used in various industries, including geotechnical materials, composite membranes, composite materials, canvas, rubber and plastics, and metals. The various accessories of the tensile testing machine play an important role in the tensile test. The following is an introduction to some accessories of the tensile testing machine for reference.

1. Fixture of tensile testing machine

As an indispensable accessory in the tensile testing machine, the fixture is used to hold the sample, and the appropriate fixture plays a very important role in the accuracy and success rate of the test force. The size of the test force that the fixture can withstand is a very important indicator, which determines the size of the fixture structure and the difficulty of the fixture operation. The material of the sample can be metal or non-metal, and the shape of the sample is large or small. The test force that the sample can withstand is as small as tens of Newtons and as large as tens of tons. Therefore, it is necessary to select or design a suitable test fixture according to the size of the sample and the material of the sample. The test fixtures can be roughly divided into tensile fixtures, compression fixtures, bending fixtures, peeling fixtures, shearing fixtures, etc. Among them, tensile fixtures account for about 80% of the total number of fixtures.

2. Tensile testing machine control software

2.1 Based on the WINDOWS operating platform, the software is easy to operate, powerful in function, and has a man-machine dialogue structure. Using the standard Windows style, the operation is simple and easy to learn

2.2 The software adopts a modular design, and the creation of different test types, test control and data analysis have independent modules, which are separated from the main program. Test control and data processing that can be adapted to various test types

2.3 The test data can be added by the user, the number is not limited, and the template method is used to create a new test record, which is convenient and fast

2.4 Automatically complete the test process, judge the broken type, and automatically record and save the test data. All test data are saved in the internationally accepted XML format

2.5 Efficient test data management function, which can quickly query, load and delete test data in various ways

2.6 At the end of the test, the system automatically analyzes and counts the test results, and the analysis method can be set by the user

2.7 The flexible report editing function provides users with a special report editing tool for graphic typesetting, which is easy to learn and can easily print test curves and related pictures and texts

2.8 The user can delete the test data as needed

2.8 Simultaneously record force-time, deformation-time, and displacement-time test curves, which can be switched and observed at any time, zoomed in or out, moved horizontally or vertically, and real-time high-speed sampling

2.9 Provide a variety of report printing interfaces, users can edit reports in any format according to their needs

2.10 The test data adopts the standard database management method, and all test data and curves are automatically saved

2.11 The test curve is displayed in real time during the test, and the test data, curve and test piece information of the test piece will be displayed in the operation window after the test is completed

3. Deformation measuring device of tensile testing machine

The deformation measurement of the tensile testing machine is based on the deformation of the test material, and a small deformation extensometer and a large deformation extensometer can be used. The small deformation extensometer adopts the principle of resistance strain type, and is used to measure the material deformation in the test of materials with small deformation and high precision requirements. The large deformation extensometer is suitable for samples with high elongation, such as rubber materials, plastics, PE samples, cloth samples, webbing samples, etc. Usually the shape of the sample is dumbbell, and the large deformation extensometer is mounted on the sample to measure the deformation of the sample during the test.

The above is a brief introduction to the tensile testing machine fixture, control software and deformation measurement accessories.

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