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Introduction of measurement error and characteristics of electronic universal tensile strength tester

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Update time : 2021-05-11 14:24:35
Introduction of measurement error and characteristics of electronic universal tensile strength tester
 
The electronic universal tensile strength tester has the characteristics of compact structure, simple and easy to use, and can be applied to tensile, compression, bending, shearing, peeling, tearing and other force tests with a maximum load of 100kN. So do you know that it will have measurement errors when using it? Today, I will tell you about the measurement errors and characteristics of the electronic universal tensile strength tester. Let’s take a look.
 
1. Main machine part: The main machine part is not installed horizontally, it will produce friction, which will cause errors. Generally expressed as a positive difference, and as the load increases, the resulting error gradually decreases. To avoid errors, first check whether the testing machine is installed horizontally. Use a frame level ruler to level the host in two directions perpendicular to the outer ring of the column.
 
2. The dynamometer part: When the dynamometer part is not installed horizontally, friction will also be generated, which is generally expressed as a negative difference.
 
Second, the characteristics of the electronic universal tensile strength tester
1. Imported servo motor, servo speed control system and ball screw are adopted to make the electronic universal testing machine have smooth transmission, low noise, high speed precision, wide speed range and long service life.
2. Simultaneously display test force, peak value, displacement, speed, test status, test curve
3. Limit, automatic overload protection, automatic shutdown when the sample breaks
4. Stability: Anti-fluctuation, zero-point drift, power supply suppression, interference-carrying ability, temperature drift, time drift, and moisture resistance.
 
For universal testing equipment, it almost covers testing applications in all walks of life, so it is also called "universal". Today we will briefly introduce a few applications:
 
car parts:
Rubber products on automobiles, including floor glue, rubber on electronic components, and key components on rubber products (brake tubes, brake cups, brake pads, seals, etc.)
 
plastic:
Variety of thermosetting, thermoplastic modulus of elasticity, flexural modulus, compression modulus, yield strength, tensile strength, breaking strength, elongation at break, compressive stress, compressive strain, shearing, peeling, bracing , Tearing, penetration and other mechanical properties testing. Mainly include engineering plastics, reinforced nylon, modified plastics, plastic profiles, plastic pipes, plastic sheets and films and other industries of material analysis and inspection.
 
Construction steel:
Rebar (steel plate), steel pipe, cast iron pipe, rebar connection joint, weld and deposited metal, aluminum alloy type, carbon structural steel, elongation detection, low carbon steel hot-rolled round wire rod yield strength, elongation prestress Steel wire for concrete, steel strand for elongation prestressed concrete, and steel wire for elongation under maximum force welding.
 
The main unit of the electronic universal tensile testing machine is guided by a high-precision linear guide, which has high rigidity and good linear motion characteristics. Optional load cells with different ranges can provide accurate measurement data for samples as small as micron-sized fibers, as large as full-loaded structural parts. In addition, a wealth of accessories such as fixture tooling and deformation measurement can almost meet all customer needs.
 
The above is the introduction to the measurement error and characteristics of the electronic universal tensile strength tester introduced by the editor. I hope it can be helpful to everyone.
 
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