Microcomputer controlled manhole cover compression fatigue testing machine

Microcomputer controlled manhole cover compression fatigue testing machine

Blue Wave is a manufacturer of manhole cover compression fatigue testing machines, which not only have good evaluations and sales in the market, but also in foreign markets. The current fatigue testing machine can not only be used for testing in the manhole cover industry, but also for testing in colleges, universities, quality inspection units, and related fields. It is a typical example of a machine that can be used for multiple purposes.

Microcomputer controlled manhole cover compression fatigue testing machineProduct Introduction:

★ Variable frequency control.

★ Fatigue resistance, load-bearing capacity, and residual deformation.

★ Low cycle loading test&large s h; dynamic fatigue test, frequency ≥ 0.2Hz;

Multiple control methods including load, displacement, strain, cycling, self programming, and calculation functions.

★ Crack detection: Multiple, multi-directional, high-resolution cameras, full scan without blind spots; Real time computer monitoring, observation, dynamic display, collection, and processing of crack conditions.

The precise automatic control and data acquisition system enables fully digital adjustment of the data acquisition and control process.

Conduct tests and provide testing data in accordance with international standards such as GB, ISO, JIS, ASTM, DIN, BS, etc.

The pressure fatigue testing machine for manhole covers meets the standards:

BS EN 1241994 Design requirements, testing, marking, quality control for drainage covers and manhole covers in vehicular and pedestrian areas

GB/T238582009 "Inspection manhole covers" Bearing pressure+dynamic fatigue

CJ/T2112005 "Polymer based Composite Material Inspection Manhole Cover" Bearing Pressure+Dynamic Fatigue

CJ/T3272010 "Ductile Iron Composite Resin Inspection Manhole Cover" Bearing Pressure+Dynamic Fatigue

JC/T "Fiberglass Reinforced Plastic Composite Inspection Manhole Cover" Bearing Pressure+Dynamic Fatigue

CJ/T "Cast Iron Inspection Manhole Cover";

CJ/T1212000 "Inspection manhole cover for recycled resin composite materials"

JC8892001 "Steel Fiber Reinforced Concrete Inspection Manhole Cover"

JC/T9482005 "Steel Fiber Reinforced Concrete Grate Cover"

CJ/T1302001 "Recycled Resin Composite Material Water Grate"

GB263572011 "Steel Fiber Reinforced Concrete Inspection Manhole Cover" bearing pressure 1000kN

Important features of manhole cover fatigue testing machine:

1. A four column load rack with high rigidity and stability, high rigidity, high strength, and small deformation.

2. Oil cylinder mounted; Wide experimental area 1500x2000mm; Convenient for specimen loading and unloading, with good stability.

3. Mobile deformation measurement and residual deformation measurement device, suitable for different sizes and specifications of specimens, precise and accurate.

4. Multiple complete specifications of cushion blocks.

5. Automatic, manual, and fixed load operation.

6. Dual control bidirectional hydraulic cylinder, quick test, quick return.

7. High precision load force sensor.

8. Unique technology: Dual cylinder rapid movement and replacement, precise positioning.

Microcomputer controlled manhole cover compression fatigue testing machineMeasurement and Control System:

HRJtest measurement and control software that is fully digital closed-loop, multi-channel, multifunctional, and easy to operate.

Automatic control, data acquisition, processing, analysis, storage, and display of the experimental process.

There are various control methods such as automatic load holding, stress and strain control, cyclic control, and self programming control.

Intelligent control mode setting, smooth switching between control modes without impact, smooth loading and unloading.

Process reproduction and data reanalysis, curve amplification, comparison, traversal. The curve can be freely enlarged and reduced; Full degree self adjustment.

The control software adopts modular, open programming, personalized design, and can be adjusted by oneself.

Standard module; Permission management module, testing module, control module, analysis module, query module, output module, etc.

Operation prompts and wizard functions.

The database adopts ACCESS format and contains various experimental methods and standards.

The circuit board adopts a photoelectric isolation design, which has the characteristic of strong anti-interference ability.

Flexible Excel or Word report formats that can be selected, specified, sorted, printed separately, or merged.

Microcomputer controlled manhole cover compression fatigue testing machineSatisfy the parameters:

Manhole cover pressure fatigue testing machine

static system

1. Static test force 1000kN

2 Test power resolution 1/± 300000F. S (with constant resolution throughout the entire process)

3 Test force measurement range 0.2% 100%, no grading throughout the entire process

The relative error of the test force indication is ≤ ± 0.5% of the indication

5. Constant velocity stress control range 2-60 N/mm2 • S1

6 Stress rate error ≤± 1%

7. Constant strain control range: 0.00025/s to 0.0025/s

8. Strain rate error ≤± 1%

9. Deformation measurement range: 0-1000mm

10 deformation resolution 0.01mm

11 loading rate 0.02%&m large s h; 2% FS/s; Computer automatic control display

12 compression space 01000mm