Electro-hydraulic compressive test instrument

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Steel pipe compressive test machine is mainly used for brick, stone, cement, concrete and other building materials, compressive strength test, can also be used to test the mechanical properties of other materials.

Machine Summary:

This compressive test instrument is mainly used for brick, stone, cement, concrete and other building

materials,compressive strength test, can also be used to test the mechanical properties of other materials.

Hydraulic System:

The oil tank is sucked through the filter screen and be inhaled pump oil ,through the petroleum pipeline of

oil pump transport to oil valve,When the hand wheel to send off the oil, due to the role of oil will push the

piston, the oil from the return pipe to tank,when the hand wheel to open get the oil, then the working fluid into

the fuel tank through the tubing, pressure tubing through and through oil return valve to tank.

Control System:

Electro-hydraulic compressive test instrument adopts hydraulic loading, electronic measuring, with a load of

figures, the loading rate shows that the maximum load to maintain, as well as overload protection and power

data retention and other functions.

Safety Protection Device:

When the test force more than 3% of the maximum test force, the overload protection, oil pump motor shut down.

Fixture:

Whole set fixtures include: a set compression platen fixture

Technical Parameter:

Model	Compressive test instrument
Max load	100kN （resist bend）	300kN （resist bend)	302kN （resist bend and compress）
Test force measuring range	4%-100%FS KN
Test force showed the relative error	≤indicating value±1%
Test Force Resolution	0.01KN
Hydraulic pump rated pressure	27MPa
Bearing compress plate size	φ155mm
Maximum distance between the upper and lower plate	230mm
Resist bending roll diameter	φ32mm
Maximum distance between the upper and lower resist bending rollers	165mm
Between two bending rollers upon the center distance	150mm
Between two bending rollers under the center distance	450mm
Piston diameter	φ130mm
Piston stroke	80mm
Motor power	3 phase 0.75 kW
Outside dimension	850×620×1340mm
Net weight	400Kg

Q:What will happen to the calibration process if the calibrator of the pressure gauge is not clean?: The pressure caused by the numerical instability, recommend the use of multi row several times before the air, after use will be a lot easier, modaobuwukanchaigong.

Q:Excuse me, where can I check the pressure gauge in Chongqing?: Local metrology Bureau, if you know, manufacturers can also be tested

Q:410 how about the pressure of the pressure gauge?: R-410A temperature see the red mark of the inner ring, the corresponding pressure is the two value of the outer ring, the outer ring is psi pounds, and the second circle is bar,- 1bar=1kgf/cm1psi=6.9kPa (1MPa=145psi)- 1MPa=10kgf/cm1MPa=1000kPaThe pressure corresponds to the temperature chamber. The temperature is known when the pressure is known and can be checked.

Q:What is a pressure gauge and how to make it?: 1. Pressure gaugeRefrigerant leakage is a common fault of air conditioning, refrigeration for dose adequacy of detection system, used to the pressure gauge, pressure gauge is a commonly used detection tool of freon refrigeration system, its shell diameter from 60mm to 250mm, a variety of specifications, suitable for air conditioner refrigeration system using a vacuum pressure gauge range to -0.1mpa 2.5MPa, as shown in figure 2-33,The pressure gauge and three way valve repair often supporting the use of clockwise three pass valve knob can make the valve repair, narrow hole, knob clockwise end, corresponding with the outdoor unit piping gas cut off, counterclockwise rotation knob, valve hole expansion, corresponding piping and outdoor group gas conduction, refrigeration system and the three way valve repair pressure gauge has been conducted, has nothing to do with the knob, together with three pass valve repair switch, can realize vacuum pumping, refrigerant filling and test pressure of the refrigeration system, etc..

Q:What is the calibration cycle for the pressure gauge / thermometer / flowmeter? Is there a standard to check?: Provisions concerning the period of verification:1 national inspection category (a total of 4 categories: trade settlement related instruments, security related instruments, medical, health related, environmental related) measuring instruments in accordance with national regulations, and strictly enforced. For 1 years, but also for half a year.2 non - strong measuring instruments, the use of units generally can determine its own calibration cycle. Can also be regularly checked, or one-time verification. Generally ranging from 1 to 3 years. Just do it yourself. If it is enterprise, it is better to use document to stipulate.

Q:What's the quota for the electric contact pressure meter?: National unified installation budget quota - tenth volumes (automatic control device and instrument installation engineering) - Chapter I process inspection instrument - two, pressure instrument, ---10-31 electric contact pressure gauge. It includes installation, wiring and debugging.This is a basic project, you can also add a cable head production, if there are instrument protection tube, explosion-proof flexible pipe, explosion-proof sealing joint, do not forget to apply other quotas.

Q:What are the procedures for checking the pressure gauge in that department?.: The Bureau under the quality supervision bureau is a pressure room or a heating roomJust take the watchband and fill out the inspection form in the mail room

Q:What kind of pressure gauges do you need for repairing refrigerators?: At least two, one is low voltage with negative pressure, the other is without negative pressure measurement of high pressure, one end of the refrigerant bottle or not connected, and the other end of the expansion bell mouth of the copper pipe reception test pipeline. When you go to the accessories store, the boss will tell you.

Q:What is the difference between 380V and 220V electric contact pressure gauge?: 380 of the voltage can kill people, and 280 of the voltage can make the whole body numb

Q:What does the water pressure meter MPa stand for?: Water pressure gauge pressure MPa unit: M 10^6 Pa=N/m^2 is a prefix.[Extension]KN is the unit of force: kN=1000NKilogram force is a non legal unit. It should be expressed by kilogram force, that is, a kilogram mass object, all gravity: kilogram force =kg*g=9.8N (the latter G is gravity acceleration, generally take 9.8m/s^2)1MPa=1N/mm2 P=F/S, pay attention to unit conversion 1MPa=0.1kN/cm2 P=F/S

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