YAW-100B Automatic Pressure Testing Machine
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Description
Automatic Pressure Testing Machine
1.Profile
Measurement and control system with high precision digital servo valve, have force closed-loop control function, can achieve load rate such as load or stress rate loading, such as high control precision, good reliability, fully meet the GB/T 17617 “cement sand strength testing method (ISO) requirements, electronic measurement is realized by using microcomputer, completion compressive strength test, the automatic calculation and print reports, are widely used in the construction industry, and cement production enterprise.
Automatic Pressure Testing Machine
2.The hydraulic system
The hydraulic oil in the tank pumps the high-pressure pump into the oil circuit through the motor, which flows through the one-way valve, the high pressure filter, the differential valve group, and the servo valve, and enters the cylinder.The computer sends out the control signal to the servo valve, controls the opening and direction of the servo valve, and thus controls the flow into the cylinder, and achieves the control of the iso-velocity test force.
Automatic Pressure Testing Machine
3.Measuring force system
amplifier and A/D converter with high precision, no step all the way, real-time display, load, speed and load, peak intensity;
PID closed-loop control strategy was adopted to realize constant speed loading, real-time display the load curve
automatic interval timer and continuous test;
flexible query, print test results;
Software
（1）Main menu
（2）Test result
（3）Report
5.Safety protection device
When the test force exceeds 3% of the maximum test force, overload protection, oil pump motor stops.
When the piston rises to the upper limit position, the limit protection, oil pump motor stop.
Automatic Pressure Testing Machine
6.Main performance technical indicators
| Name | Specification |
| Max force（kN） | 100 |
| Test force measurement range（kN） | 20-300 |
| Test force indication relative error | ＜ value ±1% |
| Upper and lower pressure plate spacing（mm） | 220 |
| The piston stroke(mm) | 80 |
| Column spacing（mm） | 220 |
| The pressure plate size（mm） | Φ155 |
| Main frame size（mm） | 910*465*1250 |
| The motor power（kW） | 0.75 |
| The total weight（kg） | 450 |
Automatic Pressure Testing Machine
7.Factory standard configuration list
| Name | QTY | Remark |
| Testing machine | 1SET | Oil-bearing cylinder, motor, oil pump, servo valve |
| computer | 1set | Lenovo brand commercial machine |
| printer | 1set | inkjet |
| Measurement and control system | 1set | ———- |
| Force sensor | 1set | 100KN |
| Electrical control system | 1set | ———– |
| Upper and lower pressure plate | 1set | Φ155 |
| Manual, certificate/packing list | 1set | ———– |
