WDW-T series Computer Control Type Electronic Universal Testing Machine

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Ⅰ、Main functions

This machine is applicable for tensile,compression, bending, shearing, peeling and tearing test of metal materials and non-metal materials.They may add test methods or rules of other materials to customers’need . They are essential testing instrument for quality testing section, university and colleges, research institution and industrial and mining enterprise.

Ⅱ、Product features

This machine adopts the most advanced and reliable console model constructer, imported whole digital alternating servo motor and servo adjustment system, imported load sens and photoelectric encoder. Whole digital measurement and control system can realize high precision, wide range measure and three closed loops control. The system of measure and control adopts high precision transducer, imported high quality electron device and whole digit design. And the card also complies with PCI2.1 and automatically distributes resources. Integrated double channels precision amplifier can automatically zero. Build-in large scale CPLD can program logistic chips, high speed operate and real time process. The whole digital control adjustment and demarcation can supply Single AD software interface. The software adopts blocking design, has many kinds of controlling means such as displacement, force, deformation, (stress and strain) metal tension and so on. Multistep control procedure can be compiled using program editor of the software by ourselves. We can analysis and process the testing data according to corresponding standards, and automatically finger out routine data, such as tensile strength, yield strength, modulus of elasticity, non-proportional extend strengthRP0.2, etc. Batch program of the software can sum up and compare the result and curve of one batch of specimen. The testing data adopts database management, supply word Exel and self-defining progra and meet with the special requirements. Flexible editing mode of report forms can print satisfied table.

Ⅲ、Technical Specification:

Type parameters		WDW-T50	WDW-T100	WDW-T200
Measuring range of testing force (kN)		0.2%--100%FS
Accuracy of testing force		±1%
Resolution of force		1/200000 of maximum force,no subsection full travel or seven subsections according to the requirements of customer
Accuracy of displacement measure		±0.5%
Resolution of displacement measure		0.03μm
Maximum value of displacement（mm）		0.001
Adjusting range of displacement speed		0.001-500mm/min
Accuracy of deformation measure		≤±0.5%
Range of deformation measure		2%～100%FS
Control accuracy of displacement speed		velocity＜0.01mm/min，±1.0%of the point； velocity≥0.01%mm/min，±0.2% of the point.
Effective tension testing space (mm)		650	650	600
Compression testing space (mm)		650	650	650
Width of testing space (mm)		560	560	600
Nip size(mm)	Thickness of flat specimen	0～14	0～14	0～20

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:How does the fire pump pressure meter work?: Fire pump pressure gauge pressure gauge is not seen, but there are 3 kinds of fire pipes, 1. fire pump outlet pipe pressure gauge (in the pipeline and pipeline pump lift check valve between the pump running only) to show the pressure value, to test the pump outlet pressure and pump running out of water, 2. fire the pipe pressure gauge for check fire system pressure, 3. fire pipeline highest point (that is the most unfavorable point pressure meter) for viewing the most unfavorable point pressure value. As for the twenty-seven story tall building, it depends on how many meters, 10 meters and 1 MPa are calculated. An average of 3 meters per layer, 27 X3=71 meters, need 7.1 MPa water pressure.

Q:The difference and relation between the electric contact pressure gauge and the remote pressure gauge: Maybe you don't understand the downstairs, generally speaking:The difference between the electric contact pressure gauge and the remote pressure gauge:1, the electric contact pressure gauge is to choose an interval, the pressure value can work in this interval, reached the boundary point will call the police.2, remote pressure gauge can be understood, is a common pressure gauge, which will produce changes in the resistance signal, then the signal is transmitted to a far place, such as the front, I don't have to look at the pressure gauge at the scene. The obvious difference.?The connection of the electric contact pressure gauge with the remote pressure gauge:To say the connection between the two is the electrical signal (but the former is the control point, the path is broken, and the latter is the output of its change). They're all pressure gauges. Still do not understand the Q asked me 414536922 one figure a remote pressure gauge, assembly, electric contact pressure gauge, the appearance is different from.

Q:How do you see a vacuum gauge?: The pressure on him is 0. 1 stands for 1MP

Q:How to check the fire valve pressure gauge as normal?: The pointer is normal in the green area!

Q:The pressure gauge 0.1 stands for a few kilograms of pressure: Look at the range of your pressure gauge. If the measuring range is 0-1Mpa, then the 0.1 is 1 kilograms force

Q:What is the actual size of the pressure gauge nozzle G1/2?: G stands for non threaded cylindrical pipe threadsTooth angle: 55 degrees: G1/2-LH (left, right, wrong)Size code, number of teeth per inch, diameter, middle diameter, path1/8 289.728, 9.147, 8.5661/4 1913.157, 12.301, 11.4453/8 1916.662, 15.806, 14.951/2 1420.955, 19.793, 18.6313/4 1426.441, 25.279, 24.11711133.249, 31.77, 30.29111/4 1141.91, 40.431, 38.95211/2 1147.803, 46.324, 44.845

Q:What are the types of pressure gauges? What is the principle of each? Who has other information about industrial hardware? Give it to me -- thank you: The oil pressure gauge can damp the shock absorption and avoid the interference of the pointer.

Q:How to control three-phase motor with electric contact pressure gauge: Electric contact pressure gauge contact capacity is about 1A, and the pressure gauge installation position basically has vibration phenomenon, unfavorable, so pull on contact, the first thing to consider is the pressure gauge and the measured pipe connected by a hose, pressure gauge and pressure gauge with fixed contacts to control the intermediate relay coil, often open contact of the intermediate relay to control the AC contactor coil, AC contactor main contact with motor.

Q:What is the difference between 380V and 220V electric contact pressure gauge?: General electric contact pressure gauge contact is 5A380V, a normally open and normally closed contacts of two groups, the control circuit of the power distribution box is generally 220V, the control circuit is 380V, electric contact pressure gauge 380V means that the control circuit voltage limit can be connected to 380V, can also be connected to 220V, 220V can also be connected to the voltage. DC power can also, but not more than 5A

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