B YAW Series Computer Control Electro-hydraulic Compression Testing Machine

B YAW Series Computer Control Electro-hydraulic Compression Testing Machine

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Main functions
This series are used for compressive strength test of building materials, such as the specimen and component of cement, concrete and so on. Equipped with special auxiliaries, it can be used for bending resistant test of building materials and compression resistant test of red bricks. We can evaluate result parameters stated in related standards. They are perfect testing instrument for building project detection department, quality testing section, universities and colleges, research institution and industrial and mining enterprise.
Ⅱ、Product features
1、Host machine is with double column type, which make the conformation compact and arrangement reasonable.
2、Adopt precise electro-hydraulic servo proportional valve. The speed is fast and the controlling accuracy is high.
3、Mechanic limit pistons protection assures the safety of testing.
4、Setup overload protection which acn stop automatically,when
the load exceeds the maximum by 2-5%.
Ⅲ、Controlling system
This machine is with digital and multi-channel loop of measuring and controlling system. It adopts force closed loop control technique and has the function of constant stress loading and load keeping. Loading speed can be arbitrarily set and the testing curves can be real time displayed.
Characteristics of software：
1、The software integrate bending resistant test and compression resistant test procedure , such as bricks, cement, concrete and mortar.
2、The software divide testing procedure as follows: tile compression resistant executive program(GB13544—2000), cement compression resistant testing program (GB17671—1999), concrete specimen testing program(GB/T5001—2002)and mortar testing program(GB170—90).
3、There is no subsection in all process. (Or classify according to the requirements of customers.)
4、Complete test in batch automatically and adjust breaking of specimen.
5、Windows Style can be controlled by human or computer.It is easy to manage and control,collect and calculate.
6、Record and save testing datas automatically.

Main Technical Specifications

Specification		YAW-300	YAW-600	YAW-1000	YAW-2000
Measuring range of force（kn）		12～300	24～600	40～1000	80～2000
Accuracy of testing force		±1%
Subsection of force		1、2、5
Accuracy of constant pressure		±1%
Loading speed（kn/s）		1~10
Accuracy of loading speed		±5%
Upper platen size (mm)		125	180	220	300
Lower platen size (mm)		175×175	250×250	220	300
Distance between two platens (mm)		250	255	400	500
Maximum piston stroke (mm)		120	150	150	200
Power supply		380V±10％，50Hz
Working environment		10℃-30℃
Shape of machine		Double column		Large space, Double column
Overall dimension（mm）	Host machine	950×650×1405	1120×660×650	910×580×1800	910×580×1940
	HPS	—	—	950×650×1405	950×650×1405
Weight（kg）		750	850	3050	3250

Q:How to use the car fuel pressure gauge?: A three - way connection must be made. The two heads are connected to the tubing, and the third head is attached to the pressure gauge so that the pressure in the tubing can be measured

Q:What's the basis for the inspection of the safety accessories (safety valve and pressure gauge) of the simple pressure vessel?: (1) the maximum working pressure is greater than or equal to 0.1MPa; (note 1-2)(2) the product of work pressure and volume is greater than or equal to 2.5MPa = L; (note 1-3)(3) liquid containing gas, liquefied gas and the highest working temperature is higher than or equal to its standard boiling point.The accessories of the pressure vessel that meet the above requirements need to be checked.

Q:The indicator of the extinguisher pressure gauge points to green, indicating whether the extinguisher pressure is normal or not?: Green indicates normal pressure; yellow indicates lack of pressure; please note that red indicates a severe lack of pressure

Q:How to choose a pressure gauge?: The first is selected according to the type of environmental characteristics, such as whether the need of explosion-proof, and then select the range, the general scale selection principle is that the pointer under normal pressure, shown in the 2/3 position is appropriate, margin; according to the actual demand, choose the suitable range of precision; the interface is needless to say. Good luck！

Q:Why should I add a plug valve before the pressure gauge?: The installation of plug valves in front of the pressure gauges is mainly for the convenience of disassembly and installation of pressure gauges.

Q:What are the procedures for checking the pressure gauge in that department?.: Quality Supervision Bureau

Q:Working principle of electric contact pressure gauge: I took it apart. It was a curved, hollow, flat copper tube with a toothed ring and a gear mechanism. When the pressure in the pressure vessel, the bending of the flat copper pipe inside there is pressure, with the increase of pressure, the deformation of flat copper pipe (actually get straight, don't think HA), so as to drive the gear to rotate, the rotating gear is very small, with a pointer walk. The dashboard electrical mechanism, two static stylus (point), a stylus (point), a lead, and terminal blocks, two static contacts, a high point, the other is a low point, and the movable contact is contact with the pressure gauge pointer when walking, low pressure and low pressure set value, the movable contact and the static contact pressure, the motor starts to work, the pressure increases, the movable contacts left low voltage static contacts began to rise, when the pressure reaches the set pressure increasing static contact, disconnect the motor stop pressure. With the use of the user or something else, the pressure gradually falls, and then another new cycle begins. I can't get the electrical control diagram on, will I? I don't know what you do. We use a pressure tank here

Q:What's on the pressure gauge or something on the barometer? Which one told me?: Bar is a unit of pressure 1bar=100000, Pascal, and another one of our common KGF is almost 1:1.PSE I guess you're wrong. It should be psi. It's the British unit of pressure. It's basically not used in countries with SI units

Q:What's the difference between the pressure gauge and the oil?: No oil pressure gauge is mainly used for measuring the oxygen gas pressure refers to the table, because the oxygen and grease contact heating combustion and even the risk of explosion, so the oxygen pressure gauge at work or in the process of checking that absolute no oil (except glycerol). The name of the instrument on the dial of the oxygen pressure gauge is marked with a sky blue cross line and marked with the red "forbidden oil".

Q:What's the cylinder pressure gauge for?: Measurement of rigid pressure, not more than 7, just lift the rigid cap

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