WEW Series Screen Display Type Hydraulic Universal Testing Machine

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Product Description:

Main function:  

l  This series machines are mainly designed for tension, compression, bending and shearing test of metal materials and meet with the requirements of GB/T228-2002”Metallic materials-Tensile testing at ambient temperature”.

l  This machine is also used for compression and bending test of nonmetal materials, such as cement, concrete and so on.

l  Equipped with special auxiliaries, it can be used for mechanical property testing of fastener, wire rope and components.

l  They are perfect testing instrument for project quality testing section, universities and colleges, research institution and industrial and mining enterprise.

Product features:

l  Host machine consults foreign technique, it has compact structure and a rational layout, significantly reduces the overall height comparing the oil cylinder overhead.

l  The machine owns hydraulic pressure sensor, which is with strong  impact and long-life. Adjust the test space by turbine structure of mobile beam does not need  rotation of screw when adjusting test space compacting the transmitting of chain. It makes complete separation between transmitting and postioning system, ensures the up and down jaws coaxial and the mainframe durable. Unique structure  of screw gap eliminating can guarantee the continuity of the load test.

l   Test data uses Access database management, which is powerful and convenient.

l   Resered data interface can connect with the network directly and share resources.

l   Independent hydraulic clamping structure can guarantee the reliability of the system; it will not hurt person for falling and ensure the safety of test personnel.


Product catalogue:

WEW-A    Oil cylinder overhead type
WEW       Oil cylinder underneath type    Displacement of beams  
WEW-B    Oil cylinder underneath type    Displacement of chain

Technical specification:









Accuracy of testing force


Measuring range of force (kn)





Subsection of force

1,2, 5, 10

Accuracy of distortion measurement


Thickness of flat specimen (mm)





Width of flat specimen (mm)







Testing space(mm)

















Clamping diameter of round specimen (mm)





Platen size(mm)








Distance of bending by pass roll(mm)








Maximum piston stroke(mm)


Power supply


Working environment

1030, relative humidity≤80%

Overall dimension L×W×H)(㎜)

Host machine




B type host machine















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Q:The water remote pressure gauge hands swing frequently do?
1) without instructionReason: 1 the dirt in the pipe is blocked up and the dirt in the reed pipe is removed2, the sector gear and pinion resistance is too large, adjust the clearance to moderate3, two gear wear too much, unable to mesh, replace the two gear(2) the pointer is turning slow or beatingReason: 1, the transmission parts of the clearance is too small, the transmission is not flexible, increase the gap, or add a little Watch Oil2, moving parts between the active parts of fouling, transmission is not working, cleaning, rust removal, in addition to dirt or replacement transmission3, free end and connecting rod connection is not flexible, adjust the connection mode until flexible4, the pointer and dial, table cover friction correction pointer, thicken the glass lining below(3) the rotation of the pointer is not smoothReason: 1 fan gear tilt, correct or replace gear2 needle shaft bending alignment pin shaft3 plates, bending, correcting, flatness of plywoodThe 4 pillar tilts and causes the upper and lower clamping plates to be not parallel to correct the pillar, and the gasket is added and added so that the splint is parallel(4) the pointer jitter is largeReason: 1 medium pressure fluctuation, close the valve opening2, the gear is not fit well to adjust the gear matching condition3, the needle sleeve and the shaft do not match well, adjust the matching gap between the pointer sleeve and the shaft(5) the pointer deviates from the zero position and the error exceeds the allowable valueReason: 1. The fastening screws of the drive mechanism are loose and tighten the fastening screws2 fast buck, pointer bent or loose, tightly trimmed updated pointer and slow down3 spring tube has permanent deformation, reinstall the pointer, replace the new spring tube if necessary(6) indication is too highReasons: 1, transmission imbalance, re adjust the transmission ratio2 positive zero indication, partial Ambassador pointer to zero to negative zero allowed range
Q:What is the quality of the common electric contact pressure gauge?
Shanghai Automation Instrument Factory four, I am selling, there will be no better than the four factory, Shanghai Baiyun brand, sixty years of brand guarantee. But more expensive, a 190, and 240, the oil spill is a bad shock
Q:What kind of oil is it in the oil filled pressure gauge?
The main purpose of the charging of the pressure gauge is to reduce the buffer of the pointer to the zero when the relative amplitude of the pressure is relatively large, so that the sensitivity of the pressure gauge can be effectively ensured. It mainly consists of two kinds of glycerin and silicone oil.Glycerol: mainly seismic action;Silicone oil: it is also earthquake resistant, but silicone oil is more resistant to low temperature than glycerin. If it is outside -20 DEG C, the glycerin will crystallize, but the silicone oil will also make the instrument work properly.
Q:The difference between pressure transmitter and remote pressure gauge
It's better to use the same control list, just like the accepted signal, a little simpler in programming.Which one depends on the specific situation, if the pressure changes relatively large, start frequency is relatively high, using a pressure transmitter is a little better. The reason is that the remote meter (resistance type) can not work; the contact point of the electric pressure gauge is easy to burn out. So it's better to use a pressure transmitter
Q:What is the working principle of the pressure gauge?
The models are different and the working principle is different1.WTY-1 - racy liquid pressure type thermometerThe model WTY liquid pressure thermometer utilizes the thermal expansion of a liquidA temperature, capillary, and Bourdon tube for measuring temperatureThe enclosed system is filled with a temperature measuring medium - liquid, when heatedWhen the temperature changes, the pressure in the closed system is due to the liquid bodyThe product changes as a result of a change in the curvature of the spring tubeThe displacement is generated by the end, and the pointer is driven through the connecting rod and the transmission mechanismTurn on the dial and indicate the temperature to be measured. This instrumentThe utility model has linear scale, small temperature package, fast reaction speed and sensitivityHigh, direct reading and other features, almost a collection of glass rod thermometer,Bimetallic thermometers, steam and gas pressure thermometersAdvantage, when the current application of the widest range of performance of the most comprehensive kindMechanical temperature measuring instrument.
Q:What's the meaning of diaphragm pressure gauge YTP-100?
This is different manufacturers to their own product name is different. For example, I now units: steel YTF pressure gauge; seismic YTN; diaphragm diaphragm YTP; YTF.................................. but you also don't be fooled, but YTF and YTP are the same. The difference is that a diaphragm is added to the bottom, and different diaphragm models are written separately at the time of booking.
Q:What does the pressure gauge 1% mean?
Accuracy 1% means the full range of the pressure meter, the error range is 1%, plus plus or minus.For example, a 1MPa pressure gauge with a precision of 1% means that the range of this meter is plus or minus 0.01MPa.Calculation method is: range * accuracy grade
Q:What are the main technical parameters in the selection of pressure gauges? Thanks
Pressure gauge material, surface diameter, size, installation methods, thread size can generally be determined
Q:How do you read the dial diameter of the pressure gauge?
Pressure gauge diameter difference, especially now that the market size is very chaotic, but overall, with 40, 50, 60 GB, 100, 150 dial such as nominal, and export to 1 ", 1.5", 2 ", 2.5", 3 ", 4" dial such as nominal.
Q:Detailed explanation of working principle of Bourdon tube pressure gauge
Bourdon tube pressure gauge through the sensitive element in the table (Bourdon tube, bellows, bellows) of the elastic deformation, then the conversion mechanism of table movement will transfer to the pointer pressure distortion caused by pointer rotation to show pressure

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