Micro Controll Four-ball Friction Tester

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The microcomputer-controlled four-ball friction testing machine uses a sliding friction method under point contact pressure conditions at the extreme point, and is primarily used to differentiate the low, medium, and high extreme pressure performance of lubricants, including three indicators: maximum non-seizure load PB, sintering load PD, and comprehensive wear value ZMZ.。

Application

The microcomputer-controlled four-ball friction testing machine can also be used for testing the anti-wear performance of lubricants. With special accessories, it can also perform end-face wear tests and measure the friction coefficient of friction pairs. This machine is mainly suitable for industries such as petrochemicals, iron and steel metallurgy, transportation, and higher education institutions.

Standards

When conducting tests, the microcomputer - controlled four - ball friction testing machine needs to comply with the following relevant national or international standards:

GB/T 12583 - 98: Method for Determination of the Extreme - Pressure Properties of Lubricants (Four - ball Machine Method).

GB 3142 - 82: Method for Determination of the Load - Carrying Capacity of Lubricants (Four - ball Method).

SH/T 0189 - 92: Method for Determination of the Anti - wear Properties of Lubricating Oils (Four - ball Machine Method).

SH/T 0202 - 92: Method for Determination of the Extreme - Pressure Properties of Greases (Four - ball Machine Method).

SH/T 0204 - 92: Method for Determination of the Anti - wear Properties of Greases (Four - ball Machine Method). These standards specify the requirements for the test methods, test conditions, data processing, etc. of the four - ball friction testing machine to ensure the accuracy and comparability of test results.

Feature

High-precision testing: Utilizing four spheres, it provides more accurate and reliable test data.

Easy operation: Users simply set the required test parameters and press the start button; the testing machine will then automatically begin the test.

Wide applicability: Suitable for long-term wear testing, friction force measurement, friction coefficient calculation, lubricant load-carrying capacity evaluation, and more.

Simulation of real working conditions: Test parameters can be adjusted according to actual working conditions to better simulate the real working environment.

Two testing modes: Supports both automatic and manual testing, offering flexibility and versatility.

These features make the micro-controlled four-ball friction testing machine an indispensable piece of equipment in fields such as materials science, mechanical engineering, and lubrication technology.

Parameters

Accessoriess

The accessories of the microcomputer-controlled four-ball friction testing machine include the spindle drive system, oil bath and heater, test force sensor, friction force measurement system, microcomputer-controlled hydraulic loading system, computer control system, standard steel balls, and wear scar measurement device (such as a microscope and micrometer system).

Test Procedures

Preparation: Check the testing machine for proper functioning, the oil level of the lubricant in the oil tank, the power connection, and ensure all components are intact.

Sample Installation: Select the appropriate steel ball according to the test requirements and install it on the four supports of the testing machine.

Parameter Setting: Enter the test parameters on the operating panel of the testing machine, including rotational speed, load, and test time.

Starting the Equipment: Start the testing machine and begin the test, observe the equipment's operation to ensure all parameters are stable.

Data Recording and Analysis: After the test is completed, turn off the equipment and retrieve the test results, then record and analyze the data.

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