• Full-automatic concrete hydraulic pressure testing machine 2000kN3000kN22 System 1
  • Full-automatic concrete hydraulic pressure testing machine 2000kN3000kN22 System 2
Full-automatic concrete hydraulic pressure testing machine 2000kN3000kN22

Full-automatic concrete hydraulic pressure testing machine 2000kN3000kN22

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The testing machine is mainly used for brick, stone, cement, concrete and other building materials, compressive strength test.

Production Summary:

300kN/10kN Full-automatic resist bending compression testing machine is mainly used for brick, stone,

cement, concrete and other building materials, compressive strength test.

Hydraulic System:

The hydraulic oil tank driven by high-pressure pump into the motor oil, flows through the unidirectional valve,

high pressure filter, pressure valve, servo valve, into the cylinder.Computer control signals to the servo valve.

Control direction and opening of the servo valve ,to control the flow into the cylinder,achieve constant test

force control.

Control System:

System including digital servo valve, high-precision sensors, controllers and software, high control precision

and reliability.Meet GB, ISO, ASTM and other standards for cement, mortar, concrete and other materials

testing requirements.

System Has The Following Functions:

Closed-loop control with force;

Can achieved constant  loading rate or constant stress loading rate;

Adopt computer for electronic measurement, automatic test;

Computer automatically calculates the results and print reports.picture 1 picture 2

Test reports can be to self-design and exported to Excel  picture 3

Safety Protection Device:

When the test force more than 3% of the maximum test force, the overload protection, oil pump motor shut down.

Main Performance Technical Specification:

Model

HZ-008 Full-automatic resist bending compression testing machine

Max load

300kN/10kN

Test force measuring range

4%-100%FS

Test force showed the relative error

≤indicating value±1%

Test force resolution

0.01kN

Hydraulic pump rated pressure

25 MPa

Loading rate

0.3KN/S10KN/S

Error loading speed

±5%

Pump rated flow

1.52L/min

Upper and lower bearing plate size

φ155mm

Maximum distance between the upper and lower plate

260mm

Piston diameter

φ130mm

Piston stroke

60mm

Motor power

3 phase  0.75 kW

Outside dimension

870×450×1400mm

Weight

450Kg

Q: For example, a 1.6 mpa. How do you measure it?!
A high, medium, and low end pressure gauge shall be a three position contact type control pressure meter. If no signs are available, you can use either the ohmmeter or the buzzer test of the meter. Use the pencil first low limit hands to contact with the actual pressure gauge contact is closed, with a multimeter measuring three end exchange both ends of the middle and low end, the rest is high, then closed contact separately, the high pressure closed with the actual pointer to pointer, and then test interoperability both ends of the middle and high, so you can points out.
Q: How to control three-phase motor with electric contact pressure gauge
Electric contact pressure gauge controls contactor, contactor controls motor.
Q: What's the meaning of diaphragm pressure gauge YTP-100?
Refers to the dial diameter of 100
Q: The pointer always points to the 0.5bar seismic pressure gauge, can not return to zero, the free end inside the broken? What's the reason then? Is the pressure too great?
Proof above the table generally have a rubber plug, use is to cut with the atmosphere. If you are not cut, long time work, the pressure in the case. When the pressure is released in the form of discharge after the shell pressure, so just. You put a rubber plug off, if not back to zero that is bad.Yes, it's not rubber. It's a small valveThe tables are required to be installed vertically or near vertical and sealed when removed
Q: What pressure gauges are used in a pressure vessel?
Pressure gauges for 0-0.1Mpa range for normal pressure vessels. If the pressure is small, you can use the Kpa table.The selection of pressure gauges has the following requirements:(1) the pressure gauge selected must be adapted to the medium in the pressure vessel. Because some mediums are corrosive to the material used in the pressure gauge, it should be noted that the material used in the pressure gauge cannot be physically and chemically reacted with the medium in the pressure vessel installed.(2) the accuracy of pressure gauges used in low pressure vessels shall not be lower than 2.5; the accuracy of pressure gauges used in medium and high pressure vessels shall not be lower than 1.5.(3) the limit value of the pressure dial scale should be 1.5-3.0 times of the highest working pressure, and the best choice is 2 times. Dial diameter should not be small, dry 100 mm.
Q: What is the pressure gauge called?
The internal structure of the pressure gauge is different. The most common is a differential pressure gauge
Q: Does the pressure meter belong to the field of mechanics?
Classical mechanicsTwo basic assumptions: one is that the time and space is absolute, regardless of length and time interval measurement and motion of the observer, the interaction of transfer material is the instantaneous arrival, two of all physical quantities can be observed, in principle, can be measured with infinite precision.
Q: What is the maximum allowable error of a precision pressure gauge of 0.4? How to calculate?
Range multiplied by 0.4%=, allowing errors, plus or minus numbers
Q: Are you talking about using a gold contact? I'm a small relay for 24V. Do you need a gold contact?Let's talk about it.
No gold is necessary for contacts.1. The action of a contact on a pressure meter is equivalent to a switch used to conduct or disconnect the circuit. It does not require a power supply. The maximum operating voltage is 380V, and it can also be used for 220V or 24V (including AC and DC).2. Electric contact pressure gauge in the work process, will not contact in contact contact, due to voltage, spark will contact between the spark can burn contacts, lead oxide, so the electric contact pressure gauge work after a period of time will produce the phenomenon of bad contact, and can work normally after cleaning contact.3. In order to make the electrical contact work long time, it is important to note that the work power of the coil of the small relay in the back shall be controlled below 30W, otherwise it will burn up easily (contact power rating 30W).4. What material to choose contact is to consider comprehensively, choose pure gold or pure silver, only contact resistance is small, other aspects will not do.
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

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