The bjdw-g300kn floor microcomputer control electronic universal testing machine is a new generation microcomputer controlled electronic universal testing machine designed specially for colleges and universities and research institutes.Computer system by digital controller, the speed control system to control the servo motor rotation, after reduction system to slow down the move beam by precision ball screw pair drive up and down, to complete the sample of tensile, compression, bending, shear, and other mechanical properties test, additional configuration supported by a wide variety of experiment, in the metal, nonmetal, composite materials and products of mechanical performance test, has the very broad application prospects.This machine is widely used in building materials, aerospace, machinery manufacturing, wire and cable, rubber, plastic, textile, home appliances and other industries of material inspection analysis, is a scientific research institutions, universities and colleges, industrial and mining enterprises, technical supervision, commodity inspection, arbitration and other departments of the ideal test equipment.

GB/T16491 -- 1996 electronic universal testing machine

Gb2611-92 general technical requirements for testing machine

GB/ t6825.1-2002 test of static uniaxial testing machine part 1: test and calibration of force system for tension and/or pressure testing machine

GB/ t12160-2002 "single axle test with extensometer regulations" etc.

GB/ t228-2002 metal materials room temperature tensile test method

GB/ t7314-2005 metal materials room temperature compression test method

GB/ t14452-1993 "test method for bending mechanical properties of metal materials"

GB/ t8653-1988 metal young's modulus, string modulus, tangent modulus and poisson's ratio test method.

1.The test force measurement and control system - using the American power value sensor to realize the test force without inertial measurement.

Maximum test force: 300kN.

Force value resolution: 1/300,000.

Force sensing element: us - world power sensor.

Test force measurement error:

Test force measurement range: 0.4~100%FS.

Test force value display: computer screen display direct reading.

2.Deformation measurement system - use the extension meter to measure the deformation of the specimen.

Extension meter specification: standard distance: 50mm.

Range: 5 mm

Deformation measurement error:

Deformation measurement resolution: 1/300000.

Deformation measurement range: 1~100%FS (continuous full range measurement)

Deformation value display: computer screen displays direct reading.

3.Displacement measurement system - using photoelectric encoder to measure displacement.

Relative error of displacement measurement:

Displacement measurement range: 0~999mm.

Displacement measurement resolution: 0.001mm.

Display mode: the displacement value is displayed by the computer screen.

4.Speed control

1) test force

Rate control: 0.1~100% FS/min.

Control range: 2~100%FS.

Accuracy of equal rate control: + 1% set value.

(2) change shape

Rate control: 0.01~100% FS/min.

Control range: 2~100%FS.

Accuracy of equal rate control: + 1% set value.

(3) a move

Rate control: 0.01~200mm/min.

Accuracy of equal rate control: + 1% set value.

The control precision of the constant test force, constant deformation and constant displacement rate is set.

5. Host and accessories.

Maximum test force: 300kN.

Maximum stroke of moving beam: 1000mm.

Source: 220V, 50Hz, 1kw.

Clamping method: wedge holder.

Clamping range of stretching device (according to user requirements) : plate 0-20mm;Rod from 5 to 26 mm

Compression device: 100mm.

Bending device support roller diameter: 30mm.

Span range: 80 ~ 430mm.

Extension meter distance and range: 50/5mm.

Power supply: 220V,50Hz, 2.0kW.

1, room temperature is 10 ℃ to 35 ℃ range;The relative humidity is not greater than 80%;

2. No vibration, no corrosive medium and clean environment without strong electromagnetic interference;

3. The fluctuation range of the power supply voltage shall be within 10% of the rated voltage;

4. Install correctly on solid foundation.