WE-A Series Dial Type Hydraulic Universal Testing Machine

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Ⅰ、Main functions
This series machines are mainly designed for tension, compression, bending and cutting test of metal materials and meet with the requirements of GB/T228-2002”Metallic materials-Tensile testing at room temperature”. This machine is also used for compression and bending test of nonmetal materials, such as cement, concrete and so on. Equipping with special auxiliaries, it can be used for mechanical property testing of fastener, wire rope and components. They are ideal testing instrument for project quality testing section, university and college, research institution and industrial and mining enterprise.
Ⅱ、Product features
1. This machine adopts oil cylinder overhead (underneath) type structure, hydraulic load, hydraulic or manually clamping specimen.
2. The main machine is separated with ergo meter, connected by high-pressure oil pipe and wire,avoiding the influence of ergo meter degree when the specimen is breaking, which makes the value accurate.
3. Testing force indicator dial adopts closed type, which makes scale clear.
4. Loading speed indicator makes operation more convenient. It has three kinds speed: 0.4 rotor/min, 0.8rotor/min and 2rotor/min.
5. Automatic tracer is installed upright of ergo meter shell and can magnify the straining original shape by 2 or 4 times according to the requirements of test.
Ⅲ、Product catalogue
WE-A Oil cylinder overhead type
WE Oil cylinder underneath type Displacement of beams
WE-B Oil cylinder underneath type Displacement of chain
Ⅳ、Technical specifications:

SPECIFICATION			WE-100A	WE-300A	WE-600A	WE-1000A
Maximum force（kN）			100	300	600	1000
Measuring range and minimum scale (scl.)			0-20kN 0.04kN/scl. 0-50kN 0.1kN/scl. 0-100kN 0.2kN/scl.	0-60kN 0.2kN/scl. 0-150kN 0.5kN/scl. 0-300kN 1.5kN/scl.	0-120kN 0.5kN/scl. 0-300kN 1kN/scl. 0-600kN 2kN/scl.	0-200kN 0.5kN/scl. 0-500kN 1kN/scl. 0-1000kN 2kN/scl.
Accuracy of testing force			±1% of indicated value
Deformation zoom factor of tracing device			2：1 OR 4：1
Clamping diameter for round specimen (mm)			ф6-ф22	ф10-ф32	ф13-ф40	ф13-ф60
Clamping Thickness of flat specimen（㎜）			0-15	0-15	0-30	0-40
Maximum clamping width of flat specimen			40	70	70	120
Testing space（㎜）	tension		550	550	550	700
	compression		270	700	300	750
Platen size（㎜）			ф100	ф130	ф180	230×230
Distance of bending by pass roll（㎜）			30－600	30－1000	30－1000	30－1000
Piston stroke（㎜）			250
Power supply			380V±10%，50Hz
Working environment			10℃～30℃, relative humidity≤80%
Overall dimension （L×W×H）（㎜）		Host machine	850×565×2400	900×600×2550	1120×900×3010	1260×900×4000
		Ergo meter	1070×810×1730
Weight（kg）			1440	2740	3040	4340

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:What's the notation for a pressure gauge?: In the process, the symbol of the pressure gauge is a circle, the circle is the letter "PI", and "P" is the prefix code to indicate the pressure. "I" is the successive symbol, which means the meaning of the pressure meter. And pressure sensors, PT, thermometer TI, temperature sensor TT.

Q:What is the pressure gauge cock: The pressure gauge is a pressure gauge cock, special three way cock. The characteristic is that when the pressure gauge pipe is flushed, the medium is not allowed to enter the pressure gauge, and the medium can be discharged directly. This is to protect the form of pressure gauge design.

Q:The gas pressure reducer has two measuring ranges, one big and one small pressure gauges. What's the function of each? What's the meaning of a red line on some pressure gauges?: Large (high pressure gauge): displays pressure before decompression - cylinder pressure;Small (low pressure gauge): displays pressure after decompression - use pressure;

Q:What are the precision grades of precision pressure gauges in our country?: The accuracy level of the pointer table is 2.5, 1.6, 0.4, 0.25 and 0.16,The accuracy of the digital table is similar to that of this one, followed by 2.5, 1.6, 0.5, 0.4, 0.2, 0.1, and 0.05

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:Mainly inside these two laps, freon temperature is what, oh, do not understand, usually the original table, I see the MPa, this is not, thank you!: The temperature of Freon refers to the saturation temperature of the corresponding freon refrigerant under this pressure corresponding to the pressure of the outer ring.

Q:See others welding, found that there are two pressure gauges on the cylinder, one is 0-0.3 range as if, and the other is 0-4 range, ask why, is it safety considerations or other reasons? thank: It shows two pressures, 1 side pressure and 2 side pressure, or the pressure before the valve and the working pressure after the valve.

Q:Fix a false SUPOR electric pressure cooker E4 fault, after inspection, the pressure switch is not in good contact. Replacement repair, but do not know how to adjust, worry about not repair to the original machine state will explode! Ask the heroes what coup adjustment!!!: The pressure switch is adjusted to the air valve. When the gas is out, it should be broken off. A little gas can be closed and the air valve is broken. Handshake, that's how I got it

Q:Want to buy a pressure gauge, but do not know how to determine the pressure gauge model, you can only measure the size of the dial and then the size of the thread, there is no master pointing out the pressure gauge model specifications?: The best consultation with manufacturers of pressure gauges, they will give you a professional answer, my home pressure gauge is Nanjing Wanda instrument factory, the use of sleep can also be, the price is not expensive

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