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:Detailed explanation of working principle of Bourdon tube pressure gauge: The working principle of the spring tube type pressure gauge is spring tube; under the action of pressure, the free end displacement, the displacement of the rod drives the transmission amplification mechanism, the pointer deflection, and indicate the pressure value on the scale.Bourdon tube pressure gauge is mainly composed of a threaded joint holder, spring tube, rod, screw, gear sector, small gear, hairspring, pointer, upper and lower clamping plate, dial, case, shell etc..The function of each component in the drive amplifier mechanism:(L) pull rod - transfer the displacement of the free end of the spring tube to the sector gear;(2) the sector gear converts the line displacement to angular displacement and then passes it to the pinion and has an amplification effect;(3) the pinion drives the coaxial pointer to rotate, indicating the measured pressure on the dial;(4) - the gossamer fan gear and small gear tooth profile keep one-way contact clearance contact two gear, in order to reduce the return difference;(5) adjusting the screw - changing the position of the adjusting screw can change the length of the short arm of the sector gear, so as to change the drive ratio;(6) the upper and lower clamping plates fix the components together to form a set of transmission mechanisms.The drive mechanism, also known as the movement, is the heart of the pressure gauge. Its function is to enlarge the displacement of the free end of the spring tube so as to achieve the purpose of easy reading.

Q:I want to use a frequency converter and a remote pressure gauge to control a submersible pump, using the on-off control, constant pressure water supply, how to connect and set up: I think you may be wrong! More (money, easy) scheme is using 1 transmission pressure gauge + inverter, constant pressure control. But not switch control. Control is continuous.The only output switch contact transmission pressure gauge is the electric contact pressure gauge. Inside a rheostat, with the change of pressure, sliding rheostat output resistance change. But it should be noted that this watch is certainly three line connection (don't understand NO/NC/COM).Like ABB, ACS510 series and so on, you can access to the X1 2,3,4 terminal, so as to achieve constant pressure control, specifically, you have to look at your inverter manual

Q:How to check the fire valve pressure gauge as normal?: The pointer is normal in the green area!"Building regulations": hydrant mouth pressure should not be greater than 0.8MPa; the water pressure is not greater than 0.5MPa; the "high regulation": the building height of not more than 100 meters, the most unfavorable pressure should not be less than 0.07MPa; more than 100 meters should not be less than 0.15MPa; the water gun full water column general building should not be less than 7 meters, a and B class of workshop, more than 4 layers of workshop and warehouse, and high-rise building multi-storey buildings and buildings more than 6 storeys height of not more than 100 meters should not be less than 10 meters, high-rise buildings should not be less than 13 metres.Spray system is: the worst point of the system, the work pressure should not be less than 0.05MPaSome people love to see the fire pump room pressure, the pressure must be large, the requirements are not less than those of numerical pressure above the highest point on the line, a building with a fire hydrant with a pressure gauge, you see that the pressure gauge on the line. Spray, you go to the top end of the test water pressure gauge on the line.

Q:What is the state of the warranty period for the ordinary pressure gauge?: State regulations are one yearBelong to the scope of strong inspection, according to the requirements of 3 months of inspection, semi annual inspection, an annual inspection.To examine the range of inspection catalogue of Qiang Zha

Q:How do you recognize the pressure gauge?: To recognize the pressure gauge units, the general units are Mpa, mbar, bar, PA, and so on. Then see where the pointer points.

Q:What is oil immersion pressure gauge?: An oil pressure gauge is a pressure gauge that is filled with a damping fluid (usually silicone or glycerin) in the case. Also called proof pressure gauge is suitable for environmental vibration places and medium pressure pulsation larger occasions.

Q:How is the pressure gauge ABC divided?: Instrument certification according to the location of the importance of varying degrees, generally divided into a, B, C three grades.A class is generally used in pressure control strict locations, requiring accurate instructions, is the focus of monitoring instruments, usually for an annual or semiannual inspection;Class B is generally used at locations where pressure control is more stringent and requires more accurate instructions. It is a general monitoring instrument, usually tested annually or two years;Class C is generally used in places where the pressure control is not strict and can be used as a reference value. It is a non monitoring instrument, usually tested for many years or replaced after failure;

Q:I am doing water treatment works, water pump is connected with the back of my mechanical filter, know the maximum pressure pump working for 2.5MPa, so I want to be in place to install a water pump outlet pressure gauge, pressure gauge pressure range is how much?: I'm a pressure gauge. Let me tell you. I hope I can help you

Q:Is the accuracy level, not the type, thank you all: Grade A is one of the precision pressure gauge American Standard ASME B40.1 provisions, equivalent to our standard 1 level (basic error limits for the full range of + 1%)

Q:Is the gasket sealed at the pressure gauge connection?: Hello, I am specializing in instrument production and sales!For your question! I can tell you very, very definitely! No matter what the thread connection table, you need to encrypt the seal! Only some encryption seal pad; some encryption sealing ring; some with raw meal belt!I don't know what thread it is! Then I can tell you whether to add a mat or a raw meal belt!

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