Polymer material tensile testing machine

1、 Application scope and technical specifications of polymer material tensile machine

1. Scope of application

Polymer material tensile testing machine is a testing equipment for measuring the mechanical properties of materials, which can perform tests such as stretching, peeling, compression, bending, shearing, bursting, puncture, fatigue, etc. for metal and non-metal, polymer materials, etc.Polymer material tensile testing machineAccording to customer product requirements, it can be prepared according to standards such as GB, ISO, ASTM, JIS, EN, etc. It can automatically calculate the maximum test force, fracture force, yield force, tensile strength, compressive strength, bending strength, elastic modulus, elongation, constant elongation stress, constant stress elongation and other parameters.

2. Technical description: The testing machine uses control technology, which controls the servo motor with a synchronous belt through an imported original AC digital controller to move a high-precision ball screw test bench. The test bench can operate at a speed of 0.001mm/min to 500mm/min. The high-precision tension and compression sensor imported from Quanli, USA, is used on the measuring force source, with an accuracy of 0.02% and high sensitivity. The entire system can achieve a precision of 0.5 level, and the effective force measurement range is 0.2% to 100% of the maximum force value; The speed accuracy is within ± 0.5% of the indicated value; The displacement accuracy is within ± 0.5% of the indicated value; The deformation measurement accuracy is within ± 0.5% of the indicated value.

IITechnical Parameter

Maximum testing force: 20KN

Load sensor capacity: 2T (20KN) (can be equipped with one or more load sensors of other capacities)

Precision level of polymer material tensile machine: 0.5 level

Test force measurement range: 0.4% to 100% FS (full range)

Test force resolution: ± 1/300000 of the maximum test force, with no grading throughout the entire process, and the resolution remains unchanged.

Force control: Force control speed range: 0.001% to 5% FS/s.

Accuracy of force controlled speed control: ± 0.2% at 0.001% to 1% FS/s; ± 0.5 at 1% to 5% FS/s

Force control maintains accuracy: ± 0.002% FS.

Deformation control: Deformation control speed range: 0.001% to 5% FS/s.

Deformation control speed control accuracy: ± 0.2% at 0.001% to 1% FS/s; ± 0.5% at 1% to 5% FS/s.

Deformation control maintains accuracy: ± 0.002% FS.

Displacement control: Displacement control speed range: 0.0001-1000mm/min.

Displacement control speed control accuracy: ± 0.2%;

Displacement control maintains accuracy: no error.

Effective test width: 360mm, 410mm, 510mm three specifications

Effective stretching space: 800mm

Effective compression stroke: 800mm

Control system: Fully microcomputer automatic control.

Unit selection: g/Kg/N/KN/Lb

Multiple protection: The system has overcurrent, overvoltage, undercurrent, undervoltage and other protections; The itinerary has triple protection of programmable limit, limit, and software limit. Emergency braking can be applied in case of emergency.

Host structure: Door type, novel structure, beautiful and elegant, smooth operation

Power supply: 220V 50Hz

Power: 750w

Host weight: 450Kg

Host dimensions: 800 * 410 * 1800

IIIPartial functions:

1. Auto reset: When the computer receives the instruction to start the experiment, the measurement system automatically resets to zero

2. Automatic return: After the automatic recognition test breaks, the movable crossbeam automatically returns to its initial position at high speed

3. Automatic saving: Test data and conditions are automatically saved to prevent data loss caused by forgetting to save due to sudden power outages

4. Testing process: The testing process, measurement, display, analysis, etc. are all completed by a microcomputer

5. Display method: Data and curves are dynamically displayed during the experimental process

6. Result reproduction: The experimental results can be accessed freely, and the data curve can be reanalyzed

7. Curve traversal: After the experiment is completed, the mouse can be used to find the force values and deformation data of the test curve point by point, which is convenient and practical for obtaining test data of various materials.

8. Result comparison: Multiple experimental characteristic curves can be overlaid, reproduced, enlarged, and presented in different colors to analyze and compare a group of samples;

9. Curve selection: Stress strain, force time, strength time and other curves can be selected as needed for display and printing;

10. Batch experiment: After setting the same parameters for one experiment, a batch of samples can be tested sequentially;

11. Polymer material tensile machine test report: (can be customized according to customer needs)

Stretching: maximum force, tensile strength, elongation at break, elastic modulus, etc

Bending: maximum force, bending strength, deflection, elastic modulus, etc

Compression: Maximum strength, compressive strength, yield strength, elastic modulus, etc. The test report can also be programmed and printed in the format required by the user;

12. Limit protection: It has two levels of protection: programmable control and mechanical protection;

13. Overload protection: automatic shutdown when the load exceeds 10% of the rated value;

Emergency stop: equipped with an emergency stop switch, used to cut off the power supply of the entire machine in emergency situations;

Automatic diagnosis: The system has an automatic diagnosis function, which checks the measurement system and drive system for overvoltage, overcurrent, overtemperature, etc. at regular intervals. If any abnormal situation occurs, the machine will stop immediately;

14. Realize independent operation of the host and microcomputer.