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Tensile strength testing machine is widely used in mechanical properties testing of adhesives, rubber, plastics, textiles, waterproof materials, non-woven fabrics and other non-metallic materials and metal wires, metal foils, and metal sheets. Adding accessories can also do compression and bending tests. Can test rubber, plastic, leather, metal, nylon thread, fabric, paper and aerospace, packaging, construction, petrochemical, electrician, vehicle ... and so on material tensile, compression, bending, shear, adhesion, peeling, Tear ... and other tests, the basic equipment for quality control, feed inspection, physical testing, mechanical research, material development.
Second, the main test performance
Tensile Strength Tester Test Method
I. Introduction:
1, stretching
2, tear
3, stripping
4. Compression
5, bending shear resistance
6. Three-point bending resistance 3. The determination of elongation and tensile strength shall be performed on the same sample. The measurement shall be carried out during the determination of the tensile strength on a tensile strength tester. The operation is as follows.
1. Place the reading indicator of the reading plate of the adjusted electronic tensile testing machine at the specified tension value
2, start the machine
3, apply tension
4. When the load instruction pointer coincides with the load reading indicator, read L1 or ΔL1 (mm) immediately without stopping the machine.
5. As the tensile testing machine continues to increase
6. Immediately read L2 or ΔL2 (mm) when the first crack appears on the grain (coating) of the sample.
7. Continue to apply pressure until the specimen is broken and read L3 or ΔL3 (mm) immediately.
8, calculate the specified load elongation E1, grain layer elongation E2, elongation at break E3
9. Report results Take the arithmetic mean of the four vertical and horizontal measurement results.
10, permanent elongation can take another sample, pull the force to the required value when the specified load
11. Place in standard air for 30 min, then measure L4 or ΔL4 (mm) to calculate E4
12. Report results Take the arithmetic mean of four vertical and horizontal measurement results.