Abstract
Nowadays, in order to mine the ore economically, it became necessary to increase the tonnage of mined ore, as well as to improve the method of transporting the ore that is to be mined. Belt conveyors are essential equipment for transferring the material from one place to targeted place and conveyor pulleys are the major component of conveyor system. Such kind of conveyor system needs reliable conveyor pulleys. Different type of conveyor pulleys are used throughout the conveyor system as per their function. In this research, the agenda is on modification of present conveyor pulley design by removing the most common causes of catastrophic fatigue failure which are used for high tension application in mining industry. The target during the research is on improvement of end disc design, elimination keyed connection in between shaft and hub by using locking device. The another development is to use of gearless drive technology for drive pulleys. This is obtained by continuous improvement and strategic standardized process to cater the need of mining application. These modified conveyor pulleys are best suitable for high capacity, high tension long distance conveyors used in mining industry.
Highlights
We are using conveyor pulleys manufactured from welded steel but it is developed from fabricated wood and in present the development is going on
This paper the use of all above developments of conveyor pulley design which results in removal of weld between hub and disc and eradicates most common cause of pulley failure
The reliability of joint has improved by 40 % due to use of locking assembly
Summary
We are using conveyor pulleys manufactured from welded steel but it is developed from fabricated wood and in present the development is going on. The belt conveyors are extensively used in many industries such as mining, cement, port handling, material handling, fertilizer and many more industries. These industries are continuously demanding that conveying capacity shall be increased significantly. The failure of any pulley may result in to breakdown of whole conveyor system. Due to this it is quite serious to select correct design of pulley to keep conveying system operating and meet daily production rate. The catastrophic failure pulley may hamper the economical balance sheet of organization and have consequences on safety
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