Abstract
The present work is about a design and manufacturing process of a pin-on-disk apparatus which is used as a test method for determining the wear of any two sliding materials. The aim of this paper is to give an information about the design steps and manufacturing procedure for the pin-on-disk apparatus and to discuss the problems follows the design and manufacturing process. It also gives information about wear testing process. Different types of experiments were done with several different test specimens to be able to make a comparison between wear test results of this work and that of another experiment found in literatures. It was concluded, that a pin-on-disk wear testing apparatus which is working properly is successfully designed and manufactured. The results of the wear testing obtained by the apparatus which have been designed and manufactured in this work shows that the wear of the test specimen increases as the speed (rpm) of the motor increases. And also, as the sliding distance increases,the wear decreases at constant load and speed.
Highlights
Pin-on-disk wear test method covers a laboratory procedure for determining the wear of materials during sliding using a pin traveling on a rotating disk
This paper was focused on the design and manufacturing process
Calculations were applied in order to determine the dimensions of the materials that are used in manufacturing the pin-on-disk apparatus
Summary
Pin-on-disk wear test method covers a laboratory procedure for determining the wear of materials during sliding using a pin traveling on a rotating disk. As the name implies, such apparatus consists essentially of a pin in contact with a rotating disk. The contact surface of the pin may be flat, spherical or of any convenient geometry, including that of actual wear components[1]. For the pin-on-disk wear test, two specimens are required. A pin is positioned perpendicular to the other, usually a flat circular disk. The test machine causes the disk specimen to revolve about the disk center In this case, the sliding path is a circle on the disk surface. The pin specimen is pressed against the disk at a specified load usually by means of an arm or lever and attached weights. Wear results are usually obtained by conducting a test for a selected sliding distance, load and speed
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