Demesia Zigzag Tester
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The Demesia Zigzag Tester is a professional device used to test the flexural resistance of materials such as rubber, leather, synthetic leather, and shoe soles.
Application
The Demesia Zigzag Tester is primarily used to simulate the repeated bending that materials experience during actual use. Through continuous bending fatigue testing, it observes the degree of cracking in the material to understand or compare its durability. This is crucial for evaluating the fatigue resistance of materials such as rubber and leather, helping manufacturers optimize product design and material selection.
Standards
ISO 132 ：Rubber and elastomers — Determination of fatigue life and fatigue strength in flexure (flexometer method)
ISO 6943：Rubber and elastomers — Determination of tensile stress-strain properties
ASTM D430 ：Standard Test Method for Hardness of Rubber by Means of a Durometer
ASTM D430-B ：Standard Test Method for Hardness of Rubber (Durometer Type B)
DIN 53522-1 ：Rubber and elastomers — Tensile testing — Part 1: General requirements
DIN 53522-2：Rubber and elastomers — Tensile testing — Part 2: Vulcanized rubbers
DIN 53522-3 ：Rubber and elastomers — Tensile testing — Part 3: Thermoplastic elastomers
JIS K6301：Rubber and rubber products — Physical test methods
ASTM D813：Standard Test Method for Fatigue of Vulcanized Rubber and Thermoplastic Elastomers by Repeated Tension
BS 903：Methods of Test for Rubber and Elastomers
Features
Modular test head design (3 interchangeable jaw types)
Real-time waveform display of bending force
Self-diagnosis system with 20+ error codes
Emergency stop with electromagnetic braking
Multi-axis programmable control
Technical Parameters
| Parameter | Specifications |
|---|---|
| Sample size | Usually rectangular, e.g. (108±0.5)×(70±0.5)mm or (154×25±1)×(6.3±0.15)mm, etc. |
| Distance between upper and lower clamps | The larger distance and smaller distance may be 76±0.2mm and 19±0.2mm, etc. respectively |
| Clamp stroke | Generally 57±0.5mm, etc. |
| Reciprocating frequency | Usually 300±10 cycles/min or 60~300r/min±10r/min, etc. |
| Stretching stroke | 0~100mm (adjustable), etc. |
| Number of test groups | 6 groups, 12 groups, 24 groups, 48 groups or 16 groups, etc. It depends on the model and manufacturer |
| Counting method | Each group of samples is counted independently, and the machine stops automatically after reaching the set number of times |
| Volume and weight | The volume may be about 340×620×756mm or 350×600×700mm, etc.; the weight may be about 68kg or 78kg, etc. |
| Power supply | Usually AC220V, 50/60Hz, etc. |
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