Surface scratch testing machine
Surface Scratch Testing Machine is a laboratory testing device designed to evaluate the scratch resistance of printed circuit board and enclosure surfaces. Suitable for chemical, electronics/batteries, automotive and components, electrical, and other industries, it assesses material surface durability and mechanical strength through standardized scratch testing.
Application
- Durability testing of printed circuit board coatings;
- Scratch resistance testing of household appliance enclosures and similar surfaces;
Surface coating scratch resistance evaluation for electrical equipment and automotive components;
Surface durability testing for chemical and electronic materials.
Standards
GB 4943-2001 Part 1: Safety of Information Technology Equipment — General Requirements (Clause 2.10.6.6: Mechanical Strength / Drop / Housing Scratch Resistance)
GB 4706.1-2005 Part 1: Safety of Household and Similar Electrical Appliances — General Requirements (Clause 21.2: Mechanical Strength / Scratch Resistance of Enclosures)
Parameters
| Item | Technical Parameter |
|---|---|
| Steel Needle Head Vertex Angle | 40° |
| Steel Needle Tip Radius | 0.25 ± 0.02 mm |
| Steel Needle Indentation Force | 10 N ± 0.5 N |
| Moving Speed | 0 - 20 mm/s |
| Scratch Travel Range (X-axis) | 0 - 200 mm, adjustable |
| Scratch Spacing Range (Y-axis) | 0 - 200 mm, adjustable |
| Height Range (Z-axis) | 0 - 90 mm, adjustable |
| Steel Needle Scratch Angle | 80 - 85° |
| Sample Adjustment | 90° rotatable |
| Equipment Voltage | 220V 50Hz |
Features
Aluminum alloy frame with stainless steel end plates; test platform constructed from thickened aluminum plate;
PLC control system with stepper motor drive enables automatic X, Y, and Z-axis movement;
Text display allows configuration and visualization of test parameters;
Steel stylus precisely controls pressure and angle to ensure repeatability and accuracy in scratch testing;
Supports 90° sample rotation for multi-directional scratch testing.
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