alexa Design of Rotary Tiller's Blade Using Specific Work Method (SWM)
ISSN: 2168-9873

Journal of Applied Mechanical Engineering
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Research Article

Design of Rotary Tiller's Blade Using Specific Work Method (SWM)

Mandal S1*, Bhattacharyya B2 and Mukherjee S1
1CSIR-Central Mechanical Engineering Research Institute, Durgapur, West Bengal 713209, India
2Bengal Engineering and Science University, Howrah, India
Corresponding Author : Mandal S
Scientist, CSIR-Central
Mechanical Engineering Research Institute
Durgapur, West Bengal 713209, India
Tel: 0343 651 0701
E-mail: [email protected]
Received February 12, 2014; Accepted March 26, 2015; Published March 31, 2015
Citation: Mandal S, Bhattacharyya B, Mukherjee S (2015) Design of Rotary Tiller’s Blade Using Specific Work Method (SWM). J Appl Mech Eng 4:164. doi:10.4172/2168-9873.1000164
Copyright: © 2015 Mandal S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

Tillage is an operation performed to obtain a desirable soil structure for a seedbed. A granular structure is desirable to allow rapid infiltration and good retention of rainfall, to provide adequate air capacity and exchange within the soil and to minimize resistance to root penetration. Rotary tiller or rotavator (derived from rotary cultivator) is a tillage machine designed for preparing land by breaking the soil with the help of rotating blades suitable for sowing seeds (without overturning of the soil). Nowadays, utilization of rotary tillers has been increased in agricultural applications because of simple structure and high efficiency. However in a rotary tiller, blades are the main critical parts which engaged with soil to prepare the land. These blades interact with soil in a different way than normal plows that are subjected to impact load and high friction which ultimately creates unbalancing and non-uniform forces on the rotary tiller. This result wears in the blades. Therefore, it is necessary to optimize the design of blade so that wear will minimum and thereby enhanced the service life. The present research has dealt with design of “L” type blade for tractor drawn Rotary tiller or Rotavator using Specific Work Method (SWM).

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