Full-automatic pressure testing machine

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Product Description:

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

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Q:Do pressure gauges need to be installed for pressure drainage?
Unwanted! Plainly, there is no need to install
Q:What is the thread diameter of the pressure gauge 10cm?
The thread of M10*1 is equivalent to "G1/8" (1/8 inches), equivalent to 1 points
Q:What are the diaphragm materials for the diaphragm pressure gauge?
Diaphragm pressure gauges are suitable for measuring the pressure or negative pressure of a variety of fluid media which are corrosive, non coagulated or non crystalline.The diaphragm gauge and corrosion resistance can be guaranteed by means of suitable and selected diaphragms, flanges, and gasket gaskets in contact with the measuring medium.Diaphragm material: 0Cr17Ni12Mo2 (316); Fu Jin (Cu30Ni70) Monel Hastelloy; gold; tantalum (H276C) (Ta) and fluorine plastic (F4).Gasket materials: nitrile rubber; fluorine rubber; silicone rubber and fluorine plastic.
Q:How can the frequency converter and the electric contact pressure meter be connected?
Electric contact pressure gauge: its junction box has four terminals (GB): the top is the upper limit, the second is the public end, the third is the lower limit, the fourth is the ground end, usually not. The middle of the needle is ordinary needle is a high one low middle high touch pointer newspaper report will form a loop to alarm or stop reporting low as the actual pressure in the lower when the public terminal is connected with the lower limit, and the upper limit is disconnected, the actual pressure between the upper and lower limits, the common end and the upper limit, lower limit are disconnected. When the actual pressure is above the upper limit, the upper limit is connected and the lower limit is broken. The electric contact is used to control the upper and lower pressure, the upper pointer is the upper limit, the following pointer is the lower limit, and the middle black pointer indicates the actual pressure value. The upper limit pointer can be reversed by hand, and the line should be positioned with a screwdriver. Its junction box has four terminals (GB): the top is the upper limit, the second is the public end, the third is the lower limit, the fourth is the ground end, generally not.Specific how to meet the inverter, it depends on what inverter you are, but also changes in the parameters of the inverter, through some contactors, such as closed loop control, frequency converters, and more used for constant pressure water supply and other fields.
Q:How do you recognize the pressure gauge?
You'll know by sight
Q:What are the main technical parameters in the selection of pressure gauges? Thanks
The selection of the pressure gauge mainly refers to the use environment, measuring medium, accuracy, range and shape size, at the same time in line with international standards or corresponding national standards.
Q:What is the coefficient of error for the 2.5 grade pressure meter?
The calculation formula is that: the pressure of the table - pressure of the standard table / standard meter, the pressure *100% is less than or equal to 2.5% to be qualified.
Q:Diaphragm pressure gauge
The diaphragm pressure gauge is the diaphragm that represents the direct response of the elastic element to the pressure
Q:Is the pressure meter special?
No, it's just a meter. There should be a pressure vessel on it. The pressure vessel is a special device
Q:Detailed explanation of working principle of Bourdon tube pressure gauge
Mechanical deformation and mechanical transmission

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