KR L Tapered Roller Bearing Shear Tester

Product Introduction

The Tapered Roller Bearing Shear Tester is an instrument used to determine the shear viscosity loss of crude oil. According to E L-45-A-99, the kinematic viscosity loss is studied, wherein a bearing cup with a tapered roller bearing is used to shear the test oil. This test method is widely applied.

The Tapered Roller Bearing Shear Tester complies with the E L-45-A-99 standard.

The load range is 500 to 5000 N, the rotational speed range is 150 to 1500 rpm, and the lubricant temperature range is from room temperature to 60°C.

Product Applications

? Quality analysis of hydraulic oils and gear oils used in mining and construction equipment.

? Screening polymers for use as viscosity index improvers (VIIs) in lubricants.

? Developing predictive models using friction torque and tapered roller bearings

? Kinematic viscosity loss of oils.

? Quality analysis of hydraulic oils and gear oils used in mining and construction equipment.

? Screening polymers for use as viscosity index improvers (VIIs) in oils.

? Predictive models developed using both friction torque and kinematic viscosity loss of oils.

Features

?Manual Loading System: Consists of calibrated weights and a loading pan connected to the loading lever. The load force is transmitted to the bearing cup via a shaft connected to a force sensor and an anti-friction bearing pad.

?Pneumatic Loading System: Utilizes compressed air and a bellows device. The load force is transmitted to the bearing cup via a shaft connected to a force sensor and an anti-friction bearing pad.

Technical Specifications

Working Principle

Can be equipped with a manual or pneumatic loading system (refer to the image gallery section). The applied load is measured by a force sensor (located below the anti-friction bearing pad). The bearing cup is placed on the pad. The bearing cup contains a shear element, consisting of a tapered roller bearing immersed in the test fluid. The bearing is loaded by a rotating shaft driven by a motor.

Optional Components

? Manual loading system (with calibrated weights)

? Pneumatic loading system

? Hydrostatic anti-friction bearing pad to reduce interference

User Operation

?Easy Operation: Easy assembly and disassembly of specimens. Test parameters are pre-programmed for repeatable experiments.

Industrial-grade Tablet: Supports automatic data storage for long-duration tests. Also includes: Wi-Fi

? and Bluetooth connectivity to personal devices (computers, smartphones, etc.).

?Automated Control: Fully computer-controlled system, with LabVIEW-based test setup and data acquisition software. All functions are automated except for the preparation and installation of the bearing cup.

?Low Maintenance Cost: The instrument is manufactured with high-quality components, ensuring low maintenance costs for users. Additionally, online customer support is free.

Instrument Control and Data Acquisition

LabVIEW-based Windows software control system, which also acquires and displays load, friction torque, friction coefficient, speed, fluid temperature, and test duration. The acquired data can be presented in multiple ways: charts for individual tests can be printed, results from different tests can be overlaid for comparative viewing, and data can be exported to Excel.

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