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Notices for Choosing and Purchasing Tension Testing Machines

2019-05-15 00:27:14
Tension testing machine is a mechanical stress testing machine used to test the mechanical properties of materials such as static load, tension, compression, bending, shearing and peeling. It is suitable for testing the physical and mechanical properties of plastic sheets, pipes, profiles, plastic films and rubber. Physical performance testing, teaching research, quality control and other non-destructive testing equipment can be an important part of the instrument, different materials need different fixtures, which is also an important factor affecting the success of the test and the accuracy of the test results. Notes for purchasing tension testing machines:

1. Testing material tension range. The difference of tension range determines the difference between the sensor used and the structure of tension machine, but it has little effect on the price (excluding door type). For the average soft packaging manufacturer, 100 Newton stretching range is enough. Therefore, the decision to use a single arm is enough. Corresponding to the single arm structure is the portal structure, which can adapt to larger tension, such as one ton or more. So the flexible packaging factory basically does not need.

2. Problem of test travel. According to the properties and requirements of the film to be tested, the travel distance is 600-1500mm. Material of 1000 mm or more can be selected.

3. Standard configuration. There are three basic intelligent configurations: host computer, microcomputers and printers. As long as microcomputers are powerful, they can print directly. In addition, it can also be equipped with ordinary computers. Computers can be used for complex data analysis, such as data editing, local enlargement, adjustable reports, grouping statistical analysis, etc. If the computer is used, the manufacturer should add the corresponding control system.

4. Output results. The output of the test results can be arbitrarily set: maximum force, elongation, tensile strength, constant elongation, constant elongation, yield strength, modulus of elasticity and maximum test force. When the computer runs, it outputs the most comprehensive results. Some products from foreign manufacturers can generally export these eight items. Some domestic manufacturers can export 5-6 items, while others can only export three items: maximum force, average value and minimum value.
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