Wear Experiment of Alfalfa Lawn Mower Wheel for Soil-Environment Resources Based on Wear Resistance of Materials

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Abstract:

In order to study the wear between machine wheel and soil-environment resources during alfalfa mowing, the gray iron and loess were chosen as sample materials to research the abrasive wear behavior at different speed and load condition by abrasive wear testing machine. The scanning electron microscopy was used to observe the wear surface morphology. The results showed that, peripheral speed and load had significant effects on wear resistance of materials. When the peripheral speed in 1m/s~2.5m/s and the load in constant, wear quantity decreased gradually with the peripheral speed increased. When the load in 40N~110N and peripheral speed in constant, the wear mass loss increased as the load increased. After that, the wear volume dropped gradually as the load increased. The main wear form is peeled off and micro cutting. The research results would provide references for improving the wear resistance of the wheel

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116-119

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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