USING THE SCRAP TIRES TO PRODUCE A FLEXIBLE COUPLER

A. Hussain, Tahsean

	USING THE SCRAP TIRES TO PRODUCE A FLEXIBLE COUPLER
KUFA JOURNAL OF ENGINEERING
Article 1, Volume 9, Issue 1, 2018, Pages 106-117
Author
Tahsean A. Hussain
Abstract
The scrap tires considered a problematic source of waste, the old rubber tires causes a big environmental problem that is need much money and effort to disposes it safely. In Iraq there are more than two million used tires disposed to the environment annually. one of the tire’s recycling methods is the use of tire layers to produce a new rubber parts used in the engineering and industrial purposes as the bridges and machines dampers, this trend of recycling doesn’t take a sufficient care comparing with the other uses. There are a lot of studies conducted in these field, these studies suggests many methods to manage the huge number of scrap tires, the current paper aims to use the old rubber tires in engineering purposes (especially as a coupler joins the motor or engines with the other equipment as electric dynamo or pumps), the study focusing on the mechanical properties of a strip from a used tires and comparing with one prepared in the lab., and suggesting a new method to use as an engineering parts (for example the coupler lays between the IC engine and the dynamo of an electric generator). One of the results obtained from the experiments, there is no significant difference between the mechanical properties of the old and the new strip, (in the tensile test, the breaking force of the -Lab. tensile specimen- is 137 N whereas the specimen of old tire have a breaking force 113.27 N, but they are same in the elongation). A computational example is suggested to estimate the dimensions of a flexible coupler use an old tire pieces.
Keywords
tire recycling; rubber couplers; rubber properties

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