【Test items】

High Temperature and High Pressure Complex Working Condition Comprehensive Test Bench is used for performance verification and monitoring of metal hose, flexible clamp, and other products under high temperature and high pressure condition, including bending, pressure cycling, vibration, etc., to improve product reliability. High Temperature and High Pressure Complex Working Condition Comprehensive Test Bench includes high-pressure gas source system, variational pressure control system, high-temperature bending action system, mobile high-temperature chamber, electric vibration bench, computer control and monitoring system, etc.

【Equipment features】

During the bending pressure cycle and vibration test of the product, the system can control and detect the medium pressure, pressure temperature, vabrational pressure frequency, action amplitude, action frequency, ambient temperature, and provide the required vibration value, duration, curve, etc. according to the standard requirements. The test report can be generated and printed.

【Technical parameters】

High pressure gas source system:

Pressure source: Compressed air with adjustable output pressure of 0.2MPa~14MPa at room temperature, providing maximum pressure of 14MPa (room temperature);

Air heating temperature range: Adjustable from room temperature to 600 ℃;

Temperature control accuracy: ±3 ℃ (below 120 ℃), ±6 ℃ (120 ℃-260 ℃), ±8 ℃ (above 260 ℃);

Air heating system pressure: Adjustable within the range of (0.3-4) MPa, and the highest pressure can reach 4 MPa at 600 ℃;

Pressure control accuracy: ±3% FS at room temperature-600 ℃;

Gas flow rate: Medium temperature in the test piece maximum of 600 ℃ at ambient temperature of room temperature;

Variational pressure control system:

Pressure cycling system is capable of variational control and monitoring of gas supply pressure at room temperature and high temperature environment;

Normal temperature pressure cycle range: (0-14) MPa;

High temperature (600 ℃) pressure cycle range: (0-4) MPa;

Pressure cycle control accuracy: ±3%;

Pressure cycle frequency: Adjustable from 5 to 60 times/min (high frequency for small diameter, low frequency for large diameter), with maximum frequency of no less than 20 times/min under any pressure;

Frequency accuracy: ±5%;

System has pressure relief protection device, which has the function of alarming or stopping pressure cycling when the test piece is damaged or abnormal;

Mobile high-temperature chamber:

High temperature environment control system provides installation space for the test piece, and provides high temperature environment for pressure cycling, reciprocating motion, and vibration of the test piece;

Working chamber size: Not less than 1000mm * 1000mm * 800mm (customizable);

Environmental temperature control range: Room temperature-450 ℃ (customizable);

Heating rate: ≤100min at room temperature-450 ℃;

Temperature fluctuation: ≤±1 ℃;

Temperature uniformity: ≤1.5% (set temperature);

High-temperature bending action system:

Reciprocating mechanism can achieve linear reciprocating motion after the metal hose is rotated and bent 180°. The straight pipe of the metal hose is stretched, compressed, offset, and deflected by certain angle, and fixed after angle adjustment;

Stretching and Compression: Under high temperature condition, the range of motion can be adjusted from 0-600mm (-300mm-0-+300mm);

Deflection angle: Fixed at one end, adjustable from 0 to 30 ° at the other end (manual);

Offset amplitude: Adjustable from 0 to 70mm;

Reciprocal amplitude control accuracy: Not less than ± 0.1mm, repeatability accuracy not less than ± 0.5mm;

Action frequency: 10-70 times/min adjustable (large displacement low frequency, small displacement high frequency), any amplitude should meet the action frequency (50 ± 5) times/min, optional;

Frequency accuracy: ±5%;

Vibration test bench:

Mainly composed of bench body, power amplifier, cooling unit, control system, etc., it can be used for product vibration (including random, sine, random and random, random and sine, resonance search and dwell), classical impact testing;

Rated sinusoidal thrust: ≥ 9.8kN;

Rated random thrust: ≥ 9.8kN;

Rated impact thrust: ≥ 19.6kN;

Displacement (p-p): 51mm;

Maximum speed: ≥ 1.8m/s;

Maximum acceleration (unloaded): ≥ 980m/s2;

Operating frequency range: 5Hz~3000Hz;

Allowable eccentric moment: ≥ 300N.m;

Load: ≥ 200kg;

Automatic centering: Dynamic coil of the vibration bench should be able to automatically centering;

Protection function: It has protection functions such as overvoltage, undervoltage, phase loss, leakage, overload, output overcurrent, output overvoltage, vibration control instrument output "0" position, bench overheating, bench overdisplacement, fan, emergency stop, etc.;

Software: Random, sine (sweep, dwell), resonance search and dwell, random and random, random and sine, and classic impact control software;