Automatic Scratch Test machine，ASTM C1624 abrasion and scratch evaluation tester

The Automatic Scratch Test Machine is a precision testing instrument designed to evaluate the adhesion strength and bonding performance of coatings with a thickness of ≥1 μm through controlled scratch loading. By applying well-defined mechanical loads and monitoring coating failure behavior, the system enables objective assessment of coating durability, interfacial strength, and scratch resistance. The fully motorized platform and automated data acquisition make the system suitable for both laboratory research and industrial quality control applications.

Application

This instrument is widely applicable to the evaluation of coating adhesion and scratch resistance in the following areas:

Coating research and development

Incoming material inspection

Production quality control

Surface engineering studies

Thin-film and hard-coating evaluation

Ceramic coating performance assessment

Industrial coating process monitoring

Typical test materials include:

Ceramic coatings

Hard protective coatings

Functional thin films

Metallic coatings

Polymer-based coatings

Standards

The system supports testing in accordance with the following international standards:

ASTM C1624 – Standard test method for adhesion strength and scratch resistance of ceramic and hard coatings

ISO 20502 – Coating materials – Scratch test method

DIN EN 1071-3 – Plastics and coatings – Determination of scratch and wear resistance, Part 3: Test method

Parameters

Item	Specification
Overall dimensions	630 × 650 × 610 mm
System weight	100 kg
Applicable coating thickness	≥ 1 μm

Features

Provides multiple loading modes, including progressive loading and constant loading.

Supports three analysis methods:

Optical microscopy

Friction force monitoring

Acoustic emission detection

Equipped with an intuitive user interface, allowing quick familiarization and operation.

Utilizes a motor-driven XY platform and Z-axis lift, enabling fast and stable measurement.

Capable of generating test reports easily, improving documentation efficiency.

Accessories

(Standard accessories supplied with the system include, but are not limited to:)

Motorized XY platform

Z-axis lifting mechanism

Scratch indenter system

Data acquisition and analysis software

Optical observation module

(Accessories are listed based on the functions described in your provided information.)

Test Procedures

Mount the coated specimen securely on the test stage.

Select the appropriate loading mode (progressive or constant).

Set the test parameters according to the selected standard.

Initiate the motorized scratch process.

Monitor coating behavior using optical microscopy, friction force, or acoustic emission.

Record critical load values at which coating failure occurs.

Generate and save the test report for further analysis.

Maintenance Information

To ensure stable and reliable operation:

Keep the XY platform clean and free from debris.

Regularly check the indenter tip for wear or damage.

Calibrate the load system periodically.

Avoid exposure to excessive vibration or dust.

Maintain proper environmental conditions during testing.

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