Four-Ball Wear Test Machine

The Four-Ball Friction Tester generates sliding friction through the contact and rotation of upper and lower steel balls, measuring the wear scar diameter and friction coefficient. It is used to evaluate the anti-wear and extreme pressure properties of lubricating oils and greases. In oil product development and quality control, it tests the lubrication performance of materials under load.
Selection
When selecting, consider that the load range covers the testing standards, the rotational speed matches actual working conditions, temperature control meets experimental requirements, and data acquisition is precise and reliable. The equipment structure is robust, operation is straightforward, complies with industry standards, and meets sample testing needs.

Terms

Standards

Instruments

Using four-rail column and double ball screw pair structure, the force Indication Error ≤ +/- 0.5%, the displacement accuracy ≤ +/- 0.05mm, supports a variety of test modes such as tensile compression and bending test, provides high Stability measurement and adjustable operating paraMeters.

$ 3533.00

Using four-rail column and double ball screw pair structure, the force Indication Error ≤ +/- 0.5%, the displacement accuracy ≤ +/- 0.05mm, support a variety of test modes including tensile compression and bending test, with automatic transmission and overload protection function.

$ 4300.00

Using four-rail column and double ball screw pair structure, the force Indication Error ≤ +/- 0.5%, the displacement accuracy ≤ +/- 0.05mm, supports a variety of test modes and real-time data display, and has overload protection and automatic storage functions.

$ 3916.00

Adopt four-rail column and double ball screw pair structure to improve Measurement accuracy and Stability; Force Indication Error ≤ +/- 0.5%, support a variety of test modes such as tensile compression and bending test, realize automatic speed change and force value displacement control.

$ 4300.00

Adopt four-rail column and double ball screw pair structure to improve Measurement accuracy and Stability; Range 5000N, Force Indication Error ≤ +/- 0.5%, support a variety of test modes such as tensile compression and bending test, realize automatic transmission and real-time data display.

$ 3244.00

Adopt four-rail column and double ball screw sub-structure to improve Measurement accuracy and Stability; support 6 kinds of force value units and 3 kinds of displacement units, Graduation can set 5 decimal places, running speed range 1-400mm/min, realize a variety of test modes.

$ 4300.00

Using four-rail column and double ball screw structure, the Force Indication Error ≤ +/- 0.5%, supports four test modes and automatic transmission to ensure High Accuracy and stable measurement.

$ 4721.00

Using four-rail column and double ball screw structure, the Force Indication Error ≤ +/- 0.5%, supports 6 force units and 3 displacement units, and can be set freely to achieve accurate and controllable loading and deformation measurement.

$ 3820.00

Adopt four-rail column and double ball screw structure, Force Indication Error ≤ +/- 0.5%, Test speed range 1-400mm/min, with automatic transmission and qualified judgment function, support a variety of unit settings and data export.

$ 3877.00

Adopting four-rail column and double ball screw structure, the Force Indication Error ≤ +/- 0.5%, supports various test modes such as fixed height force measurement value, and has automatic transmission and overload protection functions.

$ 4721.00

With four-speed friction Frequency adjustable to 106cpm, friction load 20N, using an integrated precision grinder to ensure stable testing without jitter, embedded friction table to ensure uniform friction area and silent operation.

$ 1493.00

Using four-rail column and double ball screw structure, the Force Indication Error ≤ +/- 0.5%, providing a variety of test modes such as tensile compression and bending test, supporting automatic transmission and real-time data display.

$ 3820.00

With 8L Processing capacity and 0.1μm discharge particle size, four-station design and 580rpm Rotation speed, support dry grinding, wet grinding and vacuum grinding, equipped with 600CFM cooling system and a variety of ball milling Tank material selection.

$ 2453.00

With 10L Processing capacity and 0.1μm discharge accuracy, four-station design and 580rpm Rotation speed, support wet and dry grinding and vacuum grinding, configuration 600CFM cooling system and a variety of materials ball mill Tank optional, good grinding conformity.

$ 2600.00

With four film film thickness optional, Spreader width 160mm, wear-resistant corrosion-resistant alloy steel material, can precisely control wet-film or dry-film thickness, ensure coating conformity and Repeatability.

$ 217.00

Articles

The friction color fastness tester measures the amount of color transfer under dry and wet abrasion conditions for ink.
This article introduces a method for testing the amount of ink color transfer using a friction colorfastness tester, simulating both dry and wet rubbing conditions. Dry rubbing involves rubbing the ink surface with a dry white cotton cloth, while wet rubbing uses a white cotton cloth moistened with water.
Key Operational Points of Solvent Resistance Tester in Evaluating Coating Chemical Resistance
This article introduces the key operational points of the solvent rub resistance tester in evaluating the chemical resistance of coatings. The instrument simulates friction and chemical contact, recording the number of rubs before coating failure to assess performance.
Friction and wear testing machine evaluates the wear resistance of self-lubricating polymer materials.
This article introduces how to use a friction and wear testing machine to evaluate the wear resistance of self-lubricating polymer materials. It explains the working principles of the testing machine, including the basic formulas for measuring the friction coefficient and wear rate.
Friction coefficient meter adjusts the control of film slip agent addition.
This article introduces how to use a coefficient of friction meter to adjust the amount of slip agent added in film production.
Rubber abrasion tester measures tire wear resistance.
The rubber abrasion tester evaluates wear resistance by simulating the friction between tires and road surfaces. It uses a grinding wheel to rub against rubber specimens under set conditions, measuring mass loss and converting it to volume loss to assess material performance.
Friction Coefficient Tester Measures the Slip and Openability of Films
This article introduces how to use a coefficient of friction tester to measure the slipperiness and openability of films. Slipperiness refers to the sliding characteristics of the film surface, while openability indicates the ease of separation between film layers. Both are crucial for processing efficiency in industries such as packaging.
The Taber Abraser evaluates the wear resistance of coatings.
The Taber abrasion tester simulates surface wear of materials through rotational friction, used to evaluate the wear resistance of coatings. During testing, a grinding wheel is used to rub the specimen under a fixed load, and performance is quantified by measuring mass loss or thickness changes after a specified number of cycles.
How to Utilize a Vacuum Adsorption Coating Machine to Solve the Slippage Issue During Coating on Flexible PET Substrates
The vacuum adsorption coating machine stabilizes the flexible PET substrate on the coating platform through negative pressure, effectively addressing the slipping issue during the coating process. Slipping is primarily caused by factors such as the smooth surface of PET, insufficient friction, and interference from coating pressure, which can lead to uneven coatings.
Testing Principles and Methods of Film Friction Coefficient Tester
The film friction coefficient tester is based on classical friction laws and calculates the static and dynamic friction coefficients by measuring the ratio of the tangential force to the normal force when two films slide relative to each other.
Industry Applications of Printing Ink Abrasion Resistance Testers
The printing ink abrasion resistance tester evaluates the wear resistance of ink coatings by simulating friction, with its core function being to quantify the durability of ink under mechanical action.
Abrasion Tester for Testing Ink Scratch Resistance Grade
The abrasion tester is used to evaluate the scratch resistance grade of ink, assessing its adhesion and durability by simulating friction effects.
Ink rub resistance tester evaluates scratch resistance performance.
The ink rub resistance tester is a device used to evaluate the scratch resistance of ink on printed surfaces. It simulates mechanical actions such as friction and scratching to assess the adhesion strength and durability of the ink, and is widely applied in quality control and research and development in industries such as packaging and labeling.
Friction Coefficient Tester in the Testing of Paper Slip and Stacking Performance
This article introduces how a friction coefficient tester measures the slipperiness and stacking performance of paper. By measuring the friction on the paper surface, it calculates the static friction coefficient and dynamic friction coefficient, which correspond to stacking stability and slipperiness, respectively.
The coefficient of friction measures the true slipperiness value of stacked paper.
This article introduces the measurement of the coefficient of friction of paper, which determines its "slipperiness." The measurement is conducted using the plane sliding method to obtain both static and kinetic friction coefficients under standard conditions.
Key Points for Measuring the Viscosity of Resin Solution with a Rotational Viscometer
When measuring the viscosity of resin solution with a rotational viscometer, it is based on the principle of internal friction, and the viscosity is calculated from the torque generated by the rotation of the rotor.