TSTP-01 Stylus Pen Sliding and Ceofficient of Friction Tester

The durability and friction coefficient between the stylus pen and the screen are important factors that influence the writing experience and serve as important indicators of its quality. The writing resistance and friction coefficient of a stylus pen depend not only on the stylus itself but also on the material and coating of the screen surface. Different brands, models of styluses, and types of screens may have different levels of writing resistance and friction coefficient.
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The emergence of stylus pens aims to enhance the interactive experience of touchscreen devices by providing a more accurate, natural, and feature-rich input method to meet people's needs in various application scenarios. Whether it's drawing, writing, precise selection, or multi-functional operations, stylus pens offer users more possibilities and convenience.


The writing resistance and friction coefficient between the stylus and the screen are important factors that influence the writing experience.


Writing resistance refers to the perceived resistance or friction when using a stylus to write on the screen. This resistance is generated by the friction between the stylus tip and the screen surface. Different stylus pens and screen surface materials may result in different levels of writing resistance. Some people prefer higher writing resistance as it provides a feeling closer to writing on paper, while others prefer lower writing resistance for a smoother writing experience. Choosing the appropriate writing resistance depends on personal preference.


The friction coefficient is a parameter that represents the magnitude of friction between two objects. In the case of a stylus, the friction coefficient refers to the friction between the stylus tip and the screen surface. The level of friction coefficient affects the sliding and writing experience of the stylus on the screen. A higher friction coefficient means more resistance and friction, which may make it relatively difficult for the stylus tip to slide on the screen during writing. On the other hand, a lower friction coefficient reduces resistance and friction, resulting in a smoother writing process.


TSTP-01 Stylus Pen Sliding and Ceofficient of Friction Tester places the stylus pen vertically and applies a certain weight to it. The sample touchscreen is placed on the tester platform within the range of stylus pen movement. For the reciprocating friction test, the number of reciprocations and the speed are set, and the test can be started accordingly. For the friction coefficient test, the required parameters such as applied weight and speed are input as per the specifications, and then the test can be initiated.


TSTP-01 Stylus Pen Sliding and Ceofficient of Friction Tester  is controlled by a PLC (Programmable Logic Controller) and features an HMI (Human-Machine Interface) for user-friendly operation. It is designed for industrial-grade stability and reliability. The device offers high precision in displacement control, with customizable speeds of up to 12,000mm/min.

The parameters can be intuitively input, and the testing process is automated, including data recording and statistical analysis. The device serves as an essential instrument for stylus manufacturers and related laboratories.

The screen of the device is designed for multilingual display, catering to the needs of users both domestically and internationally.

Key Parameters

Item  Parameters
Force Range 5N
Resolution 0.5% FS
Speed  1~12000mm/min
Accuracy  0.1mm/min
Loading Weight 150g(can be customized)
Stroke  350mm(can be customized)
Control PLC and HMI Touch Screen
Power 110~220V



Customized Application

In addition to sliding and friction coefficient testing for stylus pens, the TSTP-01 stylus tester can also be used for friction coefficient testing, high-speed peel testing, and reciprocating friction testing of other materials.


For friction coefficient testing of other materials, you can use the  TSTP-01 stylus tester to evaluate the friction performance between different materials. By setting appropriate testing parameters such as loading weight, speed range, and speed accuracy, you can simulate friction under different conditions and measure and compare the friction coefficients.


High-speed peel testing is a method to evaluate the performance of materials during the peeling process. Using the   TSTP-01 stylus tester, you can set suitable testing parameters such as peel speed and loading weight to simulate high-speed peeling processes. This testing can be used to study properties such as adhesion and peel strength of materials.


Reciprocating friction testing is a method to assess the wear resistance of materials during reciprocating friction. With the TSTP-01 testing device, you can set the number of reciprocations, speed, and loading weight to simulate different friction conditions. This can be used to evaluate characteristics such as wear resistance and frictional loss of materials.


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