Home page >> Product display >> Pressure testing machine >> YAW-3000B/2000B microcomputer controlled electro-hydraulic servo pressure testing machine
The pressure testing machine is a high-tech general-purpose automatic pressure testing machine that integrates modern machinery, electricity and hydraulics.It mainly detects the pressure resistance (compressive strength) of various types of bricks, blocks, cement products, hollow bricks, S bricks, square bricks, cement bricks, dock bricks, refractory materials, engineering materials, and stone, as well as the stability of physical properties under constant load.
Application industries:Widely used in industrial laboratories such as highways, railways, bridges, construction, building materials, colleges and universities, etc.
Features
The measurement and control system uses high-precision digital servo valves and manual control valves. It has a force closed-loop control function and can realize two control methods of equal load rate loading or equal stress rate loading and manual loading. It has high control accuracy and good reliability. It uses a microcomputer to realize electronic measurement, automatically complete the compressive strength test, automatically calculate and print reports, and is widely used in the construction industry and testing units.
Hydraulic system
The hydraulic oil in the tank drives the high-pressure pump through the motor and enters the oil circuit. It flows through the one-way valve, high-pressure oil filter, differential pressure valve group, and servo valve before entering the oil cylinder.The computer sends a control signal to the servo valve to control the opening and direction of the servo valve, thereby controlling the flow into the cylinder and achieving constant velocity test force control.
Force measuring system
Using high-precision amplifiers and A/D converters, the whole process is not divided into stages, and the load, peak value, loading speed and intensity are displayed in real time;
Use PID closed-loop control strategy to achieve constant speed loading and display the loading curve in real time
Automatic interval timing and continuous testing;
Querying and printing test results are flexible and convenient;
safety protection device
When the test force exceeds the maximum test force3%When, overload protection occurs and the oil pump motor shuts down.
GB/T 2611-2007 "General Technical Requirements for Testing Machines";
GB/T 2611-2007 "General Technical Requirements for Testing Machines";
JB/T 7406.1-1994 "Testing Machine Terminology Material Testing Machine";
GB/T 16825.1-2008 "Inspection of Static Uniaxial Testing Machines Part 1: Inspection and Calibration of Force Measuring Systems of Tensile and/or Compression Testing Machines";
JJG 139-2014 "Tensile, Compression and Universal Material Testing Machine";
JB/T 6147-2007 "Technical Requirements for Packaging, Packaging Marking, Storage and Transportation of Testing Machines";
Name | parameters | Remarks |
Maximum test force (kN) | 2000 | 3000 |
Test force measurement range | 5%-100% | 5%-100% |
Relative error of test force indication | ＜±1% of indication value | ＜±1% of indication value |
Distance between upper and lower platens (mm) | 310 | 330 |
Piston stroke(mm) | 50 | 100 |
Column spacing (mm) | 260 | 370 |
Pressure plate size (mm) | Φ300XΦ300mm | 370*370 |
Host overall dimensions (mm) | 440×500×1450 | 1100*950*1900 |
Oil source dimensions (mm) | 950*560*1000 | 1050*560*1000 |
Motor power (kW) | 1.1 | 1.5 |
Total weight (kg) | 950 | 1800 |
Test software: with data collection, processing, analysis, storage and display.
User management: Can create and edit users, with dual permission management functions.
Control mode: manual control.
Powerful analysis and processing functions:
Commonly used curves can be selected (stress-strain, load-deformation, load-time, load-displacement, displacement-time, deformation-time and other curves), and the curves can be partially enlarged (stepless amplification, no binning), traversal, moving center points, automatic identification of feature points (elastic sections, yield points, etc.), multiple overlays, and also supports manual marking, result comparison, print preview, and manual effective data revision.
