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Key Features Of Multi finger scratch mar tester

Multi finger scratch mar tester has been designed to evaluate the relative susceptibility or resistance of a material surface to physical damages, such as scratching, scraping, gouging, marring, engraving, etc. The instrument can also be used to determine plastics and is generally referred to as a five-finger scratch & mar tester.

The Multi-Finger Scratch/Mar Tester features a pneumatically driven, moveable platform on which the test specimen is placed. A control knob is used to operate the platform for single or multiple pass testing. An electronic timer shows the speed rate, which can be controlled by increasing or reducing air pressure.

 Key Features of Multi finger scratch mar tester
The multi finger scratch test apparatus consists of the drive motor mechanism, scraping component, the sample holder fixing devices and other components.
The scraper assembly includes a bracket scratch; scraping means scrape the specified bit sets, pressurizing means (weights and weight support bar) and the like.
Free installation, replacement and removal of different specifications, scraping means can be implemented in a uniform way linear motion scraping under different loads.
The use of embedded systems, man-machine interface for automated control of the testing process, using precision servo motor, ball screw driver for the scraping speed standards under the control accuracy with a decisive role.
The use of tungsten carbide makes scraping means, increase the instrument pot life.
The use of aluminum and stainless steel, simple appearance, lightweight and corrosion resistant.
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