Fully Automatic Falling Sand Abrasion Test Equipment
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Standards
YS/T 1186-2017: Falling Sand Tester Type B for Anodized Aluminum and Organic Polymer Coatings
Technical Specifications
| Item | Specification |
|---|---|
| Conduit Length | 914 mm |
| Conduit Inner Diameter | 19 mm |
| Hopper Volume | 2.3 L |
| Dimensions (L × W × H) | 900 × 520 × 1900 mm |
| Total Weight | 75 kg |
Features
Uses standardized falling sand abrasion principle with a mature and reliable testing method
Stable and uniform abrasive flow ensures high repeatability
Fully automated operation reduces human error
Strong structural rigidity ensures long-term stability
Suitable for comparative testing of multiple coating systems
Accessories
| Name | Description |
|---|---|
| Falling Sand Conduit | Controls abrasive drop height and direction |
| Abrasive Hopper | Stores and evenly releases abrasives |
| Sample Fixture | Secures the test sample |
| Standard Abrasive | Abrasives that meet testing standard requirements |
| Collection Device | Recovers fallen abrasives and wear particles |
Testing Principle
During testing, standardized abrasives fall freely through the conduit under gravity from a specified height, continuously impacting the sample surface. As the test progresses, the coating gradually wears. By measuring the coating thickness or wear per unit area before and after the test, you can evaluate the coating’s abrasion resistance. This method effectively simulates particle-induced wear in real-life use.
Operation Instructions
Check that the conduit, hopper, and fixture are securely installed before testing.
Select and load the specified amount of abrasive according to the standard.
Ensure the sample is firmly fixed, with abrasives impacting the correct test area.
Never open protective devices during testing to avoid abrasive scattering.
Adjust test height, abrasive type, and cycle count according to the relevant standard.
Experimental Procedure
Prepare the sample according to the standard and measure initial coating thickness.
Secure the sample in the fixture.
Add the specified type and amount of abrasive to the hopper.
Adjust the conduit height to ensure vertical abrasive fall.
Start the device and perform the falling sand abrasion test for the specified cycles or time.
After testing, measure the coating thickness or wear amount.
Calculate the abrasion resistance according to standard methods and record the results.
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