Continuous Load Scratch Test Machine
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Application
Scratch resistance testing of mobile and tablet display screens
Scratch resistance evaluation of functional and decorative films
Scratch durability assessment of wallpapers and surface coverings
Adhesion strength testing of coatings under progressive load
Surface hardness and smoothness characterization
Typical test samples include:
Glass and coated display panels
Protective and decorative films
Wallpaper and laminated surfaces
Painted, varnished, or coated substrates
Standards
ISO DIS 12137-2 (Plastics — Determination of Scratch Properties)
JIS K 5600 (Testing Methods for Paints)
Parameters
| Parameter | Specification |
|---|---|
| Sliding speed | 600 mm/min (return speed: 1200 mm/min) |
| Drive motor | Reversible motor |
| Drive mechanism | Rack and pinion transmission |
| Sliding distance | 100 mm |
| Vertical load | Continuous load: 0–50 g, 0–100 g, 0–200 g |
| Fixed load: 200 g | |
| Safety system | Overload protection, high-frequency noise suppression circuit |
| Overall dimensions | Main unit: W535 mm × D225 mm × H340 mm |
Test Procedures
Secure the test specimen firmly on the moving stage.
Select and install the appropriate scratch needle or test fixture.
Choose the required continuous or fixed load range.
Set the sliding speed and travel distance.
Perform system checks and ensure overload protection is active.
Start the test to apply progressive load during linear motion.
Observe scratch formation and record resistance data for analysis.
Maintenance Information
Clean scratch needles and fixtures after each test
Regularly inspect the rack and pinion drive for smooth operation
Verify load weights and safety devices periodically
Keep the instrument free from dust and vibration
Store accessories properly to prevent mechanical damage
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