What is a sponge indentation hardness testing machine?
The sponge indentation hardness testing machine is a special equipment used to test the indentation hardness of soft materials such as sponges and foams. It simulates the pressure conditions in actual use and measures the degree of deformation of the material under specific pressure to evaluate its hardness, elasticity and durability. This equipment is widely used in furniture, automobile, packaging, medical and other industries and is an important tool for quality control and research and development.
The following is the structured data related to the sponge indentation hardness testing machine in hot topics and hot content on the Internet in the past 10 days:
| hot topics | Hot content | Relevance |
|---|---|---|
| Furniture industry quality inspection | Many furniture companies have introduced sponge indentation hardness testing machines to improve product quality inspection standards. | high |
| New energy car seat design | Application of sponge indentation hardness testing machine in car seat comfort testing | high |
| Medical mattress research and development | Medical institutions use sponge indentation hardness testing machine to optimize mattress support performance | in |
| Packaging material innovation | The indentation hardness test of environmentally friendly foam materials has become a new focus in the industry | in |
| Laboratory equipment procurement | In the third quarter of 2023, the purchase volume of sponge indentation hardness testing machines increased by 15% year-on-year | high |
Working principle of sponge indentation hardness testing machine
The sponge indentation hardness testing machine mainly completes the test through the following steps:
| steps | Operation content | Technical parameters |
|---|---|---|
| 1 | Sample placement | Place the sponge sample flatly on the test platform |
| 2 | Pressure head positioning | The diameter of the indenter is usually 200mm or 300mm |
| 3 | Preloading | Apply an initial pressure (usually 5N) to stabilize the sample |
| 4 | formal test | Apply pressure at a constant speed (usually 100mm/min) |
| 5 | Data collection | Record the pressure value when the depression is 40% (international standard test method) |
Main technical indicators of sponge indentation hardness testing machine
The following is a comparison of key performance parameters of mainstream sponge indentation hardness testing machines on the market:
| Model | maximum load | Test accuracy | Indenter size | Applicable standards |
|---|---|---|---|---|
| HD-300A | 500N | ±0.5% | 200mm/300mm optional | ISO 2439, ASTM D3574 |
| FY-1000B | 1000N | ±0.3% | 300mm standard | GB/T 10807, EN ISO 3386 |
| XT-2000Pro | 2000N | ±0.2% | 200mm/300mm/customized | Multiple international standards |
Application fields of sponge indentation hardness testing machine
Sponge indentation hardness testing machines play an important role in multiple industries:
| Industry | Application scenarios | Test focus |
|---|---|---|
| furniture manufacturing | Testing of filling materials such as sofas and mattresses | Comfort, durability |
| Automobile industry | Testing of interior parts such as seats and headrests | Safety performance, ergonomics |
| medical equipment | Medical mattress and wheelchair cushion testing | Pressure distribution, anti-decubitus performance |
| Packaging and transportation | Cushion packaging material testing | Impact resistance |
| Sporting Goods | Sports protective gear and fitness equipment testing | Elastic recovery performance |
Things to note when purchasing a sponge indentation hardness testing machine
When purchasing a sponge indentation hardness testing machine, you need to consider the following key factors:
1.Test standards compliance: Ensure that the equipment complies with industry-related testing standards, such as ISO 2439, ASTM D3574 and other international standards.
2.Range selection: Select the appropriate load range according to the hardness range of the material being tested. Common specifications include 500N, 1000N, 2000N, etc.
3.Test accuracy: High-precision equipment (within ±0.3%) is suitable for R&D and quality control. Equipment with ±0.5% accuracy can be selected for routine testing.
4.Data function: Modern equipment should have automatic data collection, storage and analysis functions, and support multiple data output formats.
5.After-sales service: Consider the supplier’s after-sales guarantees such as technical support capabilities, spare parts supply and calibration services.
With the development of material science and the improvement of product quality requirements, sponge indentation hardness testing machines will be more widely used and technology will continue to be upgraded to provide more accurate and efficient testing solutions for various industries.
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