Three-point stiffness tester
Product Usage:
Three-point stiffness tester is the basic instrument for testing the three-point stiffness performance of paperboard. It adopts a vertical and multi-column structure, and the chuck spacing can be arbitrarily set within a certain range. It has the advantages of long stretching stroke, good running stability up and down, and high testing accuracy. The tensile testing machine, the three-point stiffness, is widely used in testing occasions for measuring the breaking length, elongation and bending energy absorption of paper, cardboard, plastic film and other nonmetallic materials.
Standard:
GB/T 12914-1991 GB 13022-91 GB/T1040-92
GB2792-81 GB/T 14344-9 GB/T 2191-95 QB/T 2171-95
Technical Parameter:
| Capacity |
0-100 KG |
| Accuracy grade |
0.5 Grade |
| Maximum load |
100 KG |
| Effective force measuring range |
0.02/100-100% |
|
Test force resolution
|
Maximum load of 250,000 yards. Internal and external grading is not performed, and the whole process resolution is unchanged. |
| Effective test width |
100mm |
| Effective stretching space |
650mm(excluding fixture) |
| Test speed |
5~500mm/min |
| Speed accuracy |
Within 0.5% of the indicated value |
| Displacement measurement accuracy |
Within 0.5% of the indicated value |
| Acquisition and induction mode |
American high-precision sensor |
| Control system |
Servo driver+servo motor |
|
Software measurement and control system
|
All-digital closed-loop control system, which can realize the functions of constant stress, constant strain, constant displacement and test |
| Lifting device of test bench |
Computer numerical control/manual inching control |
| Safety protection device of test bench |
Software automatic diagnosis and electronic limit |
|
Test regression
|
You can manually return to the initial position of the test at the highest speed, and automatically return after the test |
| Overload protection |
The maximum load value can be set and automatic protection can be performed |
| Fixture configuration |
Customized according to user's product sample requirements |
| Motor |
400W |
| Power supply |
AC 220 10%, 50Hz, 2A |
| Main engine weight |
About 55kg. |
Features:
One-button intelligent operation
1. Imported motor is adopted, with low noise and accurate control.
2. Notebook display, Chinese/English menu. Test, real-time display of stretching time, load tension, etc. And can display and print the stretching curve.
3. Get the measurement results directly: After completing a group of tests, it is convenient to directly display the measurement results and print the statistical report, including the average value, standard deviation and coefficient of variation.
4. Variable sample size and stretching speed: For commonly used standard size samples, the stretching test can be directly carried out at the specified speed, or the appropriate stretching speed can be set to change the test length and width of the samples according to the needs of the situation.
5. High degree of automation: advanced devices at home and abroad are used in instrument design, and single-chip microcomputer is used for information sensing, data processing and action control, with automatic reset, data memory and overload protection.
6. Data communication: The instrument is equipped with standard serial RS232 interface, which can provide data communication for the upper computer comprehensive report system.
7. Wide measuring range: the measuring range of the instrument can be changed with different force gauges according to the needs of users, and can be widely used in tensile test and measurement of various papers and materials.
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