Classification method of tensile testing machine

Classification method of testing machine

1 . 1 testing machine concept and uses a metal material testing machine was measured under various conditions, the environment, the amount of dynamic unbalance of non-metallic materials, mechanical parts, and other mechanical properties of engineering structures, process performance, internal defects, and verify the rotation precision parts test instrument. In the process of researching and exploring new materials, new processes, new technologies and new structures, testing machines are an indispensable important testing instrument. Widely used in machinery, metallurgy, petroleum, chemical, building materials, construction, aerospace, shipbuilding, transportation, and other industrial sectors as well as related laboratories in universities and research institutes. It plays an important role in the effective use of materials, improving processes, improving product quality, reducing costs, and ensuring product safety and reliability.
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. 2 Types of testing machines: There are many types of testing machines, and there are many different classification methods. According to the traditional classification method, it can be divided into five categories: metal material testing machine, non-metal material testing machine, dynamic balance testing machine, vibration table and non-destructive testing machine.
   
Classification of material testing machines: There are many varieties and models of material testing machines, and their loading methods, structural features, force measuring principles, and application ranges are all different.
   
Classification by use : testing machine for measuring mechanical properties and testing machine for process testing
   
Classified by loading method : static load tester ( static ) and dynamic load tester ( dynamic )
    
Static testing machines mainly include:
●Universal testing machine ●Pressure testing machine ●Tensile testing machine   ●Torsion testing machine   ● creep test machine
   
The dynamic testing machine mainly includes: fatigue testing machine: dynamic static universal testing machine, one-way pulsating fatigue testing machine, impact testing machine, etc.
   
Classified by force measurement : mechanical force tester and electronic force tester
   
Classified by control method : manual control and microcomputer servo control test machine
   
Classified by cylinder position : cylinder top and cylinder under tester
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. 3 material test
   
Mechanical properties of materials: The ability of a material to resist deformation or damage under the action of external forces is called the mechanical properties of the material. Including strength, plasticity, elasticity, brittleness, fracture toughness, hardness, and the like.
   
Material testing: mechanical properties testing, physical experiments, chemical experiments.
   
Mechanical properties of materials: tensile, compression, bending, shearing, torsion, impact, fatigue, creep, durability, relaxation, wear, hardness, etc.
   
Tensile test: Also known as tensile test, it is to slowly apply a load on both ends of the sample, so that the working part of the sample is subjected to axial tensile force, causing the sample to elongate in the axial direction, generally until it is pulled off. The tensile strength and plastic properties of the material can be determined by a tensile test.

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